kopia lustrzana https://github.com/piku/piku
1700 wiersze
63 KiB
Python
Executable File
1700 wiersze
63 KiB
Python
Executable File
#!/usr/bin/env python3
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"Piku Micro-PaaS"
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try:
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from sys import version_info
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assert version_info >= (3, 7)
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except AssertionError:
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exit("Piku requires Python 3.7 or above")
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from importlib import import_module
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from collections import defaultdict, deque
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from fcntl import fcntl, F_SETFL, F_GETFL
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from glob import glob
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from json import loads
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from multiprocessing import cpu_count
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from os import chmod, getgid, getuid, symlink, unlink, remove, stat, listdir, environ, makedirs, O_NONBLOCK
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from os.path import abspath, basename, dirname, exists, getmtime, join, realpath, splitext, isdir
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from pwd import getpwuid
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from grp import getgrgid
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from re import sub, match
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from shutil import copyfile, rmtree, which
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from socket import socket, AF_INET, SOCK_STREAM
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from stat import S_IRUSR, S_IWUSR, S_IXUSR
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from subprocess import call, check_output, Popen, STDOUT
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from sys import argv, stdin, stdout, stderr, version_info, exit, path as sys_path
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from tempfile import NamedTemporaryFile
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from time import sleep
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from traceback import format_exc
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from urllib.request import urlopen
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from click import argument, group, secho as echo, pass_context, CommandCollection
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# === Make sure we can access all system binaries ===
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if 'sbin' not in environ['PATH']:
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environ['PATH'] = "/usr/local/sbin:/usr/sbin:/sbin:" + environ['PATH']
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# === Globals - all tweakable settings are here ===
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PIKU_RAW_SOURCE_URL = "https://raw.githubusercontent.com/piku/piku/master/piku.py"
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PIKU_ROOT = environ.get('PIKU_ROOT', join(environ['HOME'], '.piku'))
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PIKU_BIN = join(environ['HOME'], 'bin')
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PIKU_SCRIPT = realpath(__file__)
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PIKU_PLUGIN_ROOT = abspath(join(PIKU_ROOT, "plugins"))
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APP_ROOT = abspath(join(PIKU_ROOT, "apps"))
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DATA_ROOT = abspath(join(PIKU_ROOT, "data"))
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ENV_ROOT = abspath(join(PIKU_ROOT, "envs"))
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GIT_ROOT = abspath(join(PIKU_ROOT, "repos"))
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LOG_ROOT = abspath(join(PIKU_ROOT, "logs"))
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NGINX_ROOT = abspath(join(PIKU_ROOT, "nginx"))
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CACHE_ROOT = abspath(join(PIKU_ROOT, "cache"))
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UWSGI_AVAILABLE = abspath(join(PIKU_ROOT, "uwsgi-available"))
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UWSGI_ENABLED = abspath(join(PIKU_ROOT, "uwsgi-enabled"))
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UWSGI_ROOT = abspath(join(PIKU_ROOT, "uwsgi"))
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UWSGI_LOG_MAXSIZE = '1048576'
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ACME_ROOT = environ.get('ACME_ROOT', join(environ['HOME'], '.acme.sh'))
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ACME_WWW = abspath(join(PIKU_ROOT, "acme"))
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ACME_ROOT_CA = environ.get('ACME_ROOT_CA', 'letsencrypt.org')
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# === Make sure we can access piku user-installed binaries === #
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if PIKU_BIN not in environ['PATH']:
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environ['PATH'] = PIKU_BIN + ":" + environ['PATH']
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# pylint: disable=anomalous-backslash-in-string
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NGINX_TEMPLATE = """
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$PIKU_INTERNAL_PROXY_CACHE_PATH
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upstream $APP {
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server $NGINX_SOCKET;
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}
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server {
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listen $NGINX_IPV6_ADDRESS:80;
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listen $NGINX_IPV4_ADDRESS:80;
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location ^~ /.well-known/acme-challenge {
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allow all;
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root ${ACME_WWW};
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}
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$PIKU_INTERNAL_NGINX_COMMON
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}
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"""
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NGINX_HTTPS_ONLY_TEMPLATE = """
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$PIKU_INTERNAL_PROXY_CACHE_PATH
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upstream $APP {
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server $NGINX_SOCKET;
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}
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server {
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listen $NGINX_IPV6_ADDRESS:80;
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listen $NGINX_IPV4_ADDRESS:80;
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server_name $NGINX_SERVER_NAME;
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location ^~ /.well-known/acme-challenge {
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allow all;
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root ${ACME_WWW};
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}
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location / {
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return 301 https://$server_name$request_uri;
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}
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}
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server {
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$PIKU_INTERNAL_NGINX_COMMON
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}
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"""
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# pylint: enable=anomalous-backslash-in-string
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NGINX_COMMON_FRAGMENT = """
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listen $NGINX_IPV6_ADDRESS:$NGINX_SSL;
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listen $NGINX_IPV4_ADDRESS:$NGINX_SSL;
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ssl_certificate $NGINX_ROOT/$APP.crt;
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ssl_certificate_key $NGINX_ROOT/$APP.key;
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server_name $NGINX_SERVER_NAME;
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# These are not required under systemd - enable for debugging only
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# access_log $LOG_ROOT/$APP/access.log;
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# error_log $LOG_ROOT/$APP/error.log;
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# Enable gzip compression
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gzip on;
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gzip_proxied any;
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gzip_types text/plain text/xml text/css text/javascript text/js application/x-javascript application/javascript application/json application/xml+rss application/atom+xml image/svg+xml;
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gzip_comp_level 7;
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gzip_min_length 2048;
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gzip_vary on;
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gzip_disable "MSIE [1-6]\.(?!.*SV1)";
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# set a custom header for requests
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add_header X-Deployed-By Piku;
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$PIKU_INTERNAL_NGINX_CUSTOM_CLAUSES
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$PIKU_INTERNAL_NGINX_STATIC_MAPPINGS
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$PIKU_INTERNAL_NGINX_CACHE_MAPPINGS
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$PIKU_INTERNAL_NGINX_BLOCK_GIT
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$PIKU_INTERNAL_NGINX_PORTMAP
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"""
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NGINX_PORTMAP_FRAGMENT = """
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location / {
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$PIKU_INTERNAL_NGINX_UWSGI_SETTINGS
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proxy_http_version 1.1;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection "upgrade";
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proxy_set_header Host $host;
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proxy_set_header X-Forwarded-Proto $scheme;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Remote-Address $remote_addr;
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proxy_set_header X-Forwarded-Port $server_port;
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proxy_set_header X-Request-Start $msec;
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$NGINX_ACL
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}
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"""
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NGINX_ACME_FIRSTRUN_TEMPLATE = """
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server {
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listen $NGINX_IPV6_ADDRESS:80;
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listen $NGINX_IPV4_ADDRESS:80;
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server_name $NGINX_SERVER_NAME;
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location ^~ /.well-known/acme-challenge {
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allow all;
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root ${ACME_WWW};
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}
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}
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"""
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PIKU_INTERNAL_NGINX_STATIC_MAPPING = """
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location $static_url {
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sendfile on;
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sendfile_max_chunk 1m;
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tcp_nopush on;
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directio 8m;
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aio threads;
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alias $static_path;
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try_files $uri $uri.html $uri/ =404;
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}
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"""
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PIKU_INTERNAL_PROXY_CACHE_PATH = """
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uwsgi_cache_path $cache_path levels=1:2 keys_zone=$app:20m inactive=$cache_time_expiry max_size=$cache_size use_temp_path=off;
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"""
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PIKU_INTERNAL_NGINX_CACHE_MAPPING = """
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location ~* ^/($cache_prefixes) {
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uwsgi_cache $APP;
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uwsgi_cache_min_uses 1;
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uwsgi_cache_key $host$uri;
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uwsgi_cache_valid 200 304 $cache_time_content;
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uwsgi_cache_valid 301 307 $cache_time_redirects;
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uwsgi_cache_valid 500 502 503 504 0s;
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uwsgi_cache_valid any $cache_time_any;
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uwsgi_hide_header Cache-Control;
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add_header Cache-Control "public, max-age=$cache_time_control";
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add_header X-Cache $upstream_cache_status;
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$PIKU_INTERNAL_NGINX_UWSGI_SETTINGS
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}
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"""
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PIKU_INTERNAL_NGINX_UWSGI_SETTINGS = """
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uwsgi_pass $APP;
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uwsgi_param QUERY_STRING $query_string;
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uwsgi_param REQUEST_METHOD $request_method;
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uwsgi_param CONTENT_TYPE $content_type;
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uwsgi_param CONTENT_LENGTH $content_length;
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uwsgi_param REQUEST_URI $request_uri;
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uwsgi_param PATH_INFO $document_uri;
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uwsgi_param DOCUMENT_ROOT $document_root;
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uwsgi_param SERVER_PROTOCOL $server_protocol;
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uwsgi_param X_FORWARDED_FOR $proxy_add_x_forwarded_for;
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uwsgi_param REMOTE_ADDR $remote_addr;
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uwsgi_param REMOTE_PORT $remote_port;
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uwsgi_param SERVER_ADDR $server_addr;
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uwsgi_param SERVER_PORT $server_port;
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uwsgi_param SERVER_NAME $server_name;
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"""
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CRON_REGEXP = "^((?:(?:\*\/)?\d+)|\*) ((?:(?:\*\/)?\d+)|\*) ((?:(?:\*\/)?\d+)|\*) ((?:(?:\*\/)?\d+)|\*) ((?:(?:\*\/)?\d+)|\*) (.*)$"
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# === Utility functions ===
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def sanitize_app_name(app):
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"""Sanitize the app name and build matching path"""
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app = "".join(c for c in app if c.isalnum() or c in ('.', '_', '-')).rstrip().lstrip('/')
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return app
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def exit_if_invalid(app):
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"""Utility function for error checking upon command startup."""
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app = sanitize_app_name(app)
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if not exists(join(APP_ROOT, app)):
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echo("Error: app '{}' not found.".format(app), fg='red')
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exit(1)
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return app
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def get_free_port(address=""):
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"""Find a free TCP port (entirely at random)"""
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s = socket(AF_INET, SOCK_STREAM)
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s.bind((address, 0)) # lgtm [py/bind-socket-all-network-interfaces]
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port = s.getsockname()[1]
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s.close()
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return port
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def get_boolean(value):
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"""Convert a boolean-ish string to a boolean."""
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return value.lower() in ['1', 'on', 'true', 'enabled', 'yes', 'y']
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def write_config(filename, bag, separator='='):
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"""Helper for writing out config files"""
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with open(filename, 'w') as h:
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# pylint: disable=unused-variable
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for k, v in bag.items():
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h.write('{k:s}{separator:s}{v}\n'.format(**locals()))
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def setup_authorized_keys(ssh_fingerprint, script_path, pubkey):
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"""Sets up an authorized_keys file to redirect SSH commands"""
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authorized_keys = join(environ['HOME'], '.ssh', 'authorized_keys')
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if not exists(dirname(authorized_keys)):
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makedirs(dirname(authorized_keys))
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# Restrict features and force all SSH commands to go through our script
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with open(authorized_keys, 'a') as h:
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h.write("""command="FINGERPRINT={ssh_fingerprint:s} NAME=default {script_path:s} $SSH_ORIGINAL_COMMAND",no-agent-forwarding,no-user-rc,no-X11-forwarding,no-port-forwarding {pubkey:s}\n""".format(**locals()))
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chmod(dirname(authorized_keys), S_IRUSR | S_IWUSR | S_IXUSR)
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chmod(authorized_keys, S_IRUSR | S_IWUSR)
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def parse_procfile(filename):
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"""Parses a Procfile and returns the worker types. Only one worker of each type is allowed."""
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workers = {}
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if not exists(filename):
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return None
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with open(filename, 'r') as procfile:
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for line_number, line in enumerate(procfile):
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line = line.strip()
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if line.startswith("#") or not line:
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continue
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try:
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kind, command = map(lambda x: x.strip(), line.split(":", 1))
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# Check for cron patterns
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if kind == "cron":
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limits = [59, 24, 31, 12, 7]
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res = match(CRON_REGEXP, command)
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if res:
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matches = res.groups()
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for i in range(len(limits)):
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if int(matches[i].replace("*/", "").replace("*", "1")) > limits[i]:
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raise ValueError
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workers[kind] = command
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except Exception:
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echo("Warning: misformatted Procfile entry '{}' at line {}".format(line, line_number), fg='yellow')
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if len(workers) == 0:
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return {}
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# WSGI trumps regular web workers
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if 'wsgi' in workers or 'jwsgi' in workers or 'rwsgi' in workers:
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if 'web' in workers:
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echo("Warning: found both 'wsgi' and 'web' workers, disabling 'web'", fg='yellow')
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del workers['web']
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return workers
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def expandvars(buffer, env, default=None, skip_escaped=False):
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"""expand shell-style environment variables in a buffer"""
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def replace_var(match):
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return env.get(match.group(2) or match.group(1), match.group(0) if default is None else default)
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pattern = (r'(?<!\\)' if skip_escaped else '') + r'\$(\w+|\{([^}]*)\})'
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return sub(pattern, replace_var, buffer)
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def command_output(cmd):
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"""executes a command and grabs its output, if any"""
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try:
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env = environ
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return str(check_output(cmd, stderr=STDOUT, env=env, shell=True))
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except Exception:
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return ""
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def parse_settings(filename, env={}):
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"""Parses a settings file and returns a dict with environment variables"""
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if not exists(filename):
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return {}
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with open(filename, 'r') as settings:
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for line in settings:
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if line[0] == '#' or len(line.strip()) == 0: # ignore comments and newlines
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continue
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try:
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k, v = map(lambda x: x.strip(), line.split("=", 1))
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env[k] = expandvars(v, env)
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except Exception:
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echo("Error: malformed setting '{}', ignoring file.".format(line), fg='red')
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return {}
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return env
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def check_requirements(binaries):
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"""Checks if all the binaries exist and are executable"""
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echo("-----> Checking requirements: {}".format(binaries), fg='green')
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requirements = list(map(which, binaries))
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echo(str(requirements))
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if None in requirements:
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return False
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return True
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def found_app(kind):
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"""Helper function to output app detected"""
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echo("-----> {} app detected.".format(kind), fg='green')
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return True
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def do_deploy(app, deltas={}, newrev=None):
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"""Deploy an app by resetting the work directory"""
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app_path = join(APP_ROOT, app)
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procfile = join(app_path, 'Procfile')
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log_path = join(LOG_ROOT, app)
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env = {'GIT_WORK_DIR': app_path}
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if exists(app_path):
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echo("-----> Deploying app '{}'".format(app), fg='green')
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call('git fetch --quiet', cwd=app_path, env=env, shell=True)
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if newrev:
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call('git reset --hard {}'.format(newrev), cwd=app_path, env=env, shell=True)
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call('git submodule init', cwd=app_path, env=env, shell=True)
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call('git submodule update', cwd=app_path, env=env, shell=True)
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if not exists(log_path):
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makedirs(log_path)
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workers = parse_procfile(procfile)
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if workers and len(workers) > 0:
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settings = {}
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if "preflight" in workers:
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echo("-----> Running preflight.", fg='green')
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retval = call(workers["preflight"], cwd=app_path, env=settings, shell=True)
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if retval:
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echo("-----> Exiting due to preflight command error value: {}".format(retval))
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exit(retval)
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workers.pop("preflight", None)
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if exists(join(app_path, 'requirements.txt')) and found_app("Python"):
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settings.update(deploy_python(app, deltas))
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elif exists(join(app_path, 'Gemfile')) and found_app("Ruby Application") and check_requirements(['ruby', 'gem', 'bundle']):
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settings.update(deploy_ruby(app, deltas))
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elif exists(join(app_path, 'package.json')) and found_app("Node") and (
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check_requirements(['nodejs', 'npm']) or check_requirements(['node', 'npm']) or check_requirements(['nodeenv'])):
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settings.update(deploy_node(app, deltas))
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elif exists(join(app_path, 'pom.xml')) and found_app("Java Maven") and check_requirements(['java', 'mvn']):
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settings.update(deploy_java_maven(app, deltas))
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elif exists(join(app_path, 'build.gradle')) and found_app("Java Gradle") and check_requirements(['java', 'gradle']):
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settings.update(deploy_java_gradle(app, deltas))
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elif (exists(join(app_path, 'Godeps')) or len(glob(join(app_path, '*.go')))) and found_app("Go") and check_requirements(['go']):
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settings.update(deploy_go(app, deltas))
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elif exists(join(app_path, 'deps.edn')) and found_app("Clojure CLI") and check_requirements(['java', 'clojure']):
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settings.update(deploy_clojure_cli(app, deltas))
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elif exists(join(app_path, 'project.clj')) and found_app("Clojure Lein") and check_requirements(['java', 'lein']):
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settings.update(deploy_clojure_leiningen(app, deltas))
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elif 'release' in workers and 'web' in workers:
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echo("-----> Generic app detected.", fg='green')
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settings.update(deploy_identity(app, deltas))
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elif 'static' in workers:
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echo("-----> Static app detected.", fg='green')
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settings.update(deploy_identity(app, deltas))
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else:
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echo("-----> Could not detect runtime!", fg='red')
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# TODO: detect other runtimes
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if "release" in workers:
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echo("-----> Releasing", fg='green')
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retval = call(workers["release"], cwd=app_path, env=settings, shell=True)
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if retval:
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echo("-----> Exiting due to release command error value: {}".format(retval))
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exit(retval)
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workers.pop("release", None)
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else:
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echo("Error: Invalid Procfile for app '{}'.".format(app), fg='red')
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else:
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echo("Error: app '{}' not found.".format(app), fg='red')
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def deploy_java_gradle(app, deltas={}):
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"""Deploy a Java application using Gradle"""
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java_path = join(ENV_ROOT, app)
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build_path = join(APP_ROOT, app, 'build')
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env_file = join(APP_ROOT, app, 'ENV')
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env = {
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'VIRTUAL_ENV': java_path,
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|
"PATH": ':'.join([join(java_path, "bin"), join(app, ".bin"), environ['PATH']])
|
|
}
|
|
|
|
if exists(env_file):
|
|
env.update(parse_settings(env_file, env))
|
|
|
|
if not exists(java_path):
|
|
makedirs(java_path)
|
|
|
|
if not exists(build_path):
|
|
echo("-----> Building Java Application")
|
|
call('gradle build', cwd=join(APP_ROOT, app), env=env, shell=True)
|
|
|
|
else:
|
|
echo("-----> Removing previous builds")
|
|
echo("-----> Rebuilding Java Application")
|
|
call('gradle clean build', cwd=join(APP_ROOT, app), env=env, shell=True)
|
|
|
|
return spawn_app(app, deltas)
|
|
|
|
|
|
def deploy_java_maven(app, deltas={}):
|
|
"""Deploy a Java application using Maven"""
|
|
# TODO: Use jenv to isolate Java Application environments
|
|
|
|
java_path = join(ENV_ROOT, app)
|
|
target_path = join(APP_ROOT, app, 'target')
|
|
env_file = join(APP_ROOT, app, 'ENV')
|
|
|
|
env = {
|
|
'VIRTUAL_ENV': java_path,
|
|
"PATH": ':'.join([join(java_path, "bin"), join(app, ".bin"), environ['PATH']])
|
|
}
|
|
|
|
if exists(env_file):
|
|
env.update(parse_settings(env_file, env))
|
|
|
|
if not exists(java_path):
|
|
makedirs(java_path)
|
|
|
|
if not exists(target_path):
|
|
echo("-----> Building Java Application")
|
|
call('mvn package', cwd=join(APP_ROOT, app), env=env, shell=True)
|
|
|
|
else:
|
|
echo("-----> Removing previous builds")
|
|
echo("-----> Rebuilding Java Application")
|
|
call('mvn clean package', cwd=join(APP_ROOT, app), env=env, shell=True)
|
|
|
|
return spawn_app(app, deltas)
|
|
|
|
|
|
def deploy_clojure_cli(app, deltas={}):
|
|
"""Deploy a Clojure Application"""
|
|
|
|
virtual = join(ENV_ROOT, app)
|
|
target_path = join(APP_ROOT, app, 'target')
|
|
env_file = join(APP_ROOT, app, 'ENV')
|
|
|
|
if not exists(target_path):
|
|
makedirs(virtual)
|
|
env = {
|
|
'VIRTUAL_ENV': virtual,
|
|
"PATH": ':'.join([join(virtual, "bin"), join(app, ".bin"), environ['PATH']]),
|
|
"CLJ_CONFIG": environ.get('CLJ_CONFIG', join(environ['HOME'], '.clojure')),
|
|
}
|
|
if exists(env_file):
|
|
env.update(parse_settings(env_file, env))
|
|
echo("-----> Building Clojure Application")
|
|
call('clojure -T:build release', cwd=join(APP_ROOT, app), env=env, shell=True)
|
|
|
|
return spawn_app(app, deltas)
|
|
|
|
|
|
def deploy_clojure_leiningen(app, deltas={}):
|
|
"""Deploy a Clojure Application"""
|
|
|
|
virtual = join(ENV_ROOT, app)
|
|
target_path = join(APP_ROOT, app, 'target')
|
|
env_file = join(APP_ROOT, app, 'ENV')
|
|
|
|
if not exists(target_path):
|
|
makedirs(virtual)
|
|
env = {
|
|
'VIRTUAL_ENV': virtual,
|
|
"PATH": ':'.join([join(virtual, "bin"), join(app, ".bin"), environ['PATH']]),
|
|
"LEIN_HOME": environ.get('LEIN_HOME', join(environ['HOME'], '.lein')),
|
|
}
|
|
if exists(env_file):
|
|
env.update(parse_settings(env_file, env))
|
|
echo("-----> Building Clojure Application")
|
|
call('lein clean', cwd=join(APP_ROOT, app), env=env, shell=True)
|
|
call('lein uberjar', cwd=join(APP_ROOT, app), env=env, shell=True)
|
|
|
|
return spawn_app(app, deltas)
|
|
|
|
|
|
def deploy_ruby(app, deltas={}):
|
|
"""Deploy a Ruby Application"""
|
|
|
|
virtual = join(ENV_ROOT, app)
|
|
env_file = join(APP_ROOT, app, 'ENV')
|
|
|
|
env = {
|
|
'VIRTUAL_ENV': virtual,
|
|
"PATH": ':'.join([join(virtual, "bin"), join(app, ".bin"), environ['PATH']]),
|
|
}
|
|
if exists(env_file):
|
|
env.update(parse_settings(env_file, env))
|
|
|
|
if not exists(virtual):
|
|
echo("-----> Building Ruby Application")
|
|
makedirs(virtual)
|
|
call('bundle config set --local path $VIRTUAL_ENV', cwd=join(APP_ROOT, app), env=env, shell=True)
|
|
else:
|
|
echo("------> Rebuilding Ruby Application")
|
|
|
|
call('bundle install', cwd=join(APP_ROOT, app), env=env, shell=True)
|
|
|
|
return spawn_app(app, deltas)
|
|
|
|
|
|
def deploy_go(app, deltas={}):
|
|
"""Deploy a Go application"""
|
|
|
|
go_path = join(ENV_ROOT, app)
|
|
deps = join(APP_ROOT, app, 'Godeps')
|
|
|
|
first_time = False
|
|
if not exists(go_path):
|
|
echo("-----> Creating GOPATH for '{}'".format(app), fg='green')
|
|
makedirs(go_path)
|
|
# copy across a pre-built GOPATH to save provisioning time
|
|
call('cp -a $HOME/gopath {}'.format(app), cwd=ENV_ROOT, shell=True)
|
|
first_time = True
|
|
|
|
if exists(deps):
|
|
if first_time or getmtime(deps) > getmtime(go_path):
|
|
echo("-----> Running godep for '{}'".format(app), fg='green')
|
|
env = {
|
|
'GOPATH': '$HOME/gopath',
|
|
'GOROOT': '$HOME/go',
|
|
'PATH': '$PATH:$HOME/go/bin',
|
|
'GO15VENDOREXPERIMENT': '1'
|
|
}
|
|
call('godep update ...', cwd=join(APP_ROOT, app), env=env, shell=True)
|
|
return spawn_app(app, deltas)
|
|
|
|
|
|
def deploy_node(app, deltas={}):
|
|
"""Deploy a Node application"""
|
|
|
|
virtualenv_path = join(ENV_ROOT, app)
|
|
node_path = join(ENV_ROOT, app, "node_modules")
|
|
node_modules_symlink = join(APP_ROOT, app, "node_modules")
|
|
npm_prefix = abspath(join(node_path, ".."))
|
|
env_file = join(APP_ROOT, app, 'ENV')
|
|
deps = join(APP_ROOT, app, 'package.json')
|
|
|
|
first_time = False
|
|
if not exists(node_path):
|
|
echo("-----> Creating node_modules for '{}'".format(app), fg='green')
|
|
makedirs(node_path)
|
|
first_time = True
|
|
|
|
env = {
|
|
'VIRTUAL_ENV': virtualenv_path,
|
|
'NODE_PATH': node_path,
|
|
'NPM_CONFIG_PREFIX': npm_prefix,
|
|
"PATH": ':'.join([join(virtualenv_path, "bin"), join(node_path, ".bin"), environ['PATH']])
|
|
}
|
|
if exists(env_file):
|
|
env.update(parse_settings(env_file, env))
|
|
|
|
# include node binaries on our path
|
|
environ["PATH"] = env["PATH"]
|
|
|
|
version = env.get("NODE_VERSION")
|
|
node_binary = join(virtualenv_path, "bin", "node")
|
|
installed = check_output("{} -v".format(node_binary), cwd=join(APP_ROOT, app), env=env, shell=True).decode("utf8").rstrip(
|
|
"\n") if exists(node_binary) else ""
|
|
|
|
if version and check_requirements(['nodeenv']):
|
|
if not installed.endswith(version):
|
|
started = glob(join(UWSGI_ENABLED, '{}*.ini'.format(app)))
|
|
if installed and len(started):
|
|
echo("Warning: Can't update node with app running. Stop the app & retry.", fg='yellow')
|
|
else:
|
|
echo("-----> Installing node version '{NODE_VERSION:s}' using nodeenv".format(**env), fg='green')
|
|
call("nodeenv --prebuilt --node={NODE_VERSION:s} --clean-src --force {VIRTUAL_ENV:s}".format(**env),
|
|
cwd=virtualenv_path, env=env, shell=True)
|
|
else:
|
|
echo("-----> Node is installed at {}.".format(version))
|
|
|
|
if exists(deps) and check_requirements(['npm']):
|
|
if first_time or getmtime(deps) > getmtime(node_path):
|
|
copyfile(join(APP_ROOT, app, 'package.json'), join(ENV_ROOT, app, 'package.json'))
|
|
if not exists(node_modules_symlink):
|
|
symlink(node_path, node_modules_symlink)
|
|
echo("-----> Running npm for '{}'".format(app), fg='green')
|
|
call('npm install --prefix {} --package-lock=false'.format(npm_prefix), cwd=join(APP_ROOT, app), env=env, shell=True)
|
|
return spawn_app(app, deltas)
|
|
|
|
|
|
def deploy_python(app, deltas={}):
|
|
"""Deploy a Python application"""
|
|
|
|
virtualenv_path = join(ENV_ROOT, app)
|
|
requirements = join(APP_ROOT, app, 'requirements.txt')
|
|
env_file = join(APP_ROOT, app, 'ENV')
|
|
# Set unbuffered output and readable UTF-8 mapping
|
|
env = {
|
|
'PYTHONUNBUFFERED': '1',
|
|
'PYTHONIOENCODING': 'UTF_8:replace'
|
|
}
|
|
if exists(env_file):
|
|
env.update(parse_settings(env_file, env))
|
|
|
|
# TODO: improve version parsing
|
|
# pylint: disable=unused-variable
|
|
version = int(env.get("PYTHON_VERSION", "3"))
|
|
|
|
first_time = False
|
|
if not exists(join(virtualenv_path, "bin", "activate")):
|
|
echo("-----> Creating virtualenv for '{}'".format(app), fg='green')
|
|
try:
|
|
makedirs(virtualenv_path)
|
|
except FileExistsError:
|
|
echo("-----> Env dir already exists: '{}'".format(app), fg='yellow')
|
|
call('virtualenv --python=python{version:d} {app:s}'.format(**locals()), cwd=ENV_ROOT, shell=True)
|
|
first_time = True
|
|
|
|
activation_script = join(virtualenv_path, 'bin', 'activate_this.py')
|
|
exec(open(activation_script).read(), dict(__file__=activation_script))
|
|
|
|
if first_time or getmtime(requirements) > getmtime(virtualenv_path):
|
|
echo("-----> Running pip for '{}'".format(app), fg='green')
|
|
call('pip install -r {}'.format(requirements), cwd=virtualenv_path, shell=True)
|
|
return spawn_app(app, deltas)
|
|
|
|
|
|
def deploy_identity(app, deltas={}):
|
|
env_path = join(ENV_ROOT, app)
|
|
if not exists(env_path):
|
|
makedirs(env_path)
|
|
return spawn_app(app, deltas)
|
|
|
|
|
|
def spawn_app(app, deltas={}):
|
|
"""Create all workers for an app"""
|
|
|
|
# pylint: disable=unused-variable
|
|
app_path = join(APP_ROOT, app)
|
|
procfile = join(app_path, 'Procfile')
|
|
workers = parse_procfile(procfile)
|
|
workers.pop("preflight", None)
|
|
workers.pop("release", None)
|
|
ordinals = defaultdict(lambda: 1)
|
|
worker_count = {k: 1 for k in workers.keys()}
|
|
|
|
# the Python virtualenv
|
|
virtualenv_path = join(ENV_ROOT, app)
|
|
# Settings shipped with the app
|
|
env_file = join(APP_ROOT, app, 'ENV')
|
|
# Custom overrides
|
|
settings = join(ENV_ROOT, app, 'ENV')
|
|
# Live settings
|
|
live = join(ENV_ROOT, app, 'LIVE_ENV')
|
|
# Scaling
|
|
scaling = join(ENV_ROOT, app, 'SCALING')
|
|
|
|
# Bootstrap environment
|
|
env = {
|
|
'APP': app,
|
|
'LOG_ROOT': LOG_ROOT,
|
|
'HOME': environ['HOME'],
|
|
'USER': environ['USER'],
|
|
'PATH': ':'.join([join(virtualenv_path, 'bin'), environ['PATH']]),
|
|
'PWD': dirname(env_file),
|
|
'VIRTUAL_ENV': virtualenv_path,
|
|
}
|
|
|
|
safe_defaults = {
|
|
'NGINX_IPV4_ADDRESS': '0.0.0.0',
|
|
'NGINX_IPV6_ADDRESS': '[::]',
|
|
'BIND_ADDRESS': '127.0.0.1',
|
|
}
|
|
|
|
# add node path if present
|
|
node_path = join(virtualenv_path, "node_modules")
|
|
if exists(node_path):
|
|
env["NODE_PATH"] = node_path
|
|
env["PATH"] = ':'.join([join(node_path, ".bin"), env['PATH']])
|
|
|
|
# Load environment variables shipped with repo (if any)
|
|
if exists(env_file):
|
|
env.update(parse_settings(env_file, env))
|
|
|
|
# Override with custom settings (if any)
|
|
if exists(settings):
|
|
env.update(parse_settings(settings, env)) # lgtm [py/modification-of-default-value]
|
|
|
|
if 'web' in workers or 'wsgi' in workers or 'jwsgi' in workers or 'static' in workers or 'rwsgi' in workers:
|
|
# Pick a port if none defined
|
|
if 'PORT' not in env:
|
|
env['PORT'] = str(get_free_port())
|
|
echo("-----> picking free port {PORT}".format(**env))
|
|
|
|
if get_boolean(env.get('DISABLE_IPV6', 'false')):
|
|
safe_defaults.pop('NGINX_IPV6_ADDRESS', None)
|
|
echo("-----> nginx will NOT use IPv6".format(**locals()))
|
|
|
|
# Safe defaults for addressing
|
|
for k, v in safe_defaults.items():
|
|
if k not in env:
|
|
echo("-----> nginx {k:s} will be set to {v}".format(**locals()))
|
|
env[k] = v
|
|
|
|
# Set up nginx if we have NGINX_SERVER_NAME set
|
|
if 'NGINX_SERVER_NAME' in env:
|
|
# Hack to get around ClickCommand
|
|
env['NGINX_SERVER_NAME'] = env['NGINX_SERVER_NAME'].split(',')
|
|
env['NGINX_SERVER_NAME'] = ' '.join(env['NGINX_SERVER_NAME'])
|
|
|
|
nginx = command_output("nginx -V")
|
|
nginx_ssl = "443 ssl"
|
|
if "--with-http_v2_module" in nginx:
|
|
nginx_ssl += " http2"
|
|
elif "--with-http_spdy_module" in nginx and "nginx/1.6.2" not in nginx: # avoid Raspbian bug
|
|
nginx_ssl += " spdy"
|
|
nginx_conf = join(NGINX_ROOT, "{}.conf".format(app))
|
|
|
|
env.update({ # lgtm [py/modification-of-default-value]
|
|
'NGINX_SSL': nginx_ssl,
|
|
'NGINX_ROOT': NGINX_ROOT,
|
|
'ACME_WWW': ACME_WWW,
|
|
})
|
|
|
|
# default to reverse proxying to the TCP port we picked
|
|
env['PIKU_INTERNAL_NGINX_UWSGI_SETTINGS'] = 'proxy_pass http://{BIND_ADDRESS:s}:{PORT:s};'.format(**env)
|
|
if 'wsgi' in workers or 'jwsgi' in workers:
|
|
sock = join(NGINX_ROOT, "{}.sock".format(app))
|
|
env['PIKU_INTERNAL_NGINX_UWSGI_SETTINGS'] = expandvars(PIKU_INTERNAL_NGINX_UWSGI_SETTINGS, env)
|
|
env['NGINX_SOCKET'] = env['BIND_ADDRESS'] = "unix://" + sock
|
|
if 'PORT' in env:
|
|
del env['PORT']
|
|
else:
|
|
env['NGINX_SOCKET'] = "{BIND_ADDRESS:s}:{PORT:s}".format(**env)
|
|
echo("-----> nginx will look for app '{}' on {}".format(app, env['NGINX_SOCKET']))
|
|
|
|
domains = env['NGINX_SERVER_NAME'].split()
|
|
domain = domains[0]
|
|
issuefile = join(ACME_ROOT, domain, "issued-" + "-".join(domains))
|
|
key, crt = [join(NGINX_ROOT, "{}.{}".format(app, x)) for x in ['key', 'crt']]
|
|
if exists(join(ACME_ROOT, "acme.sh")):
|
|
acme = ACME_ROOT
|
|
www = ACME_WWW
|
|
root_ca = ACME_ROOT_CA
|
|
# if this is the first run there will be no nginx conf yet
|
|
# create a basic conf stub just to serve the acme auth
|
|
if not exists(nginx_conf):
|
|
echo("-----> writing temporary nginx conf")
|
|
buffer = expandvars(NGINX_ACME_FIRSTRUN_TEMPLATE, env)
|
|
with open(nginx_conf, "w") as h:
|
|
h.write(buffer)
|
|
if not exists(key) or not exists(issuefile):
|
|
echo("-----> getting letsencrypt certificate")
|
|
certlist = " ".join(["-d {}".format(d) for d in domains])
|
|
call('{acme:s}/acme.sh --issue {certlist:s} -w {www:s} --server {root_ca:s}'.format(**locals()), shell=True)
|
|
call('{acme:s}/acme.sh --install-cert {certlist:s} --key-file {key:s} --fullchain-file {crt:s}'.format(
|
|
**locals()), shell=True)
|
|
if exists(join(ACME_ROOT, domain)) and not exists(join(ACME_WWW, app)):
|
|
symlink(join(ACME_ROOT, domain), join(ACME_WWW, app))
|
|
try:
|
|
symlink("/dev/null", issuefile)
|
|
except Exception:
|
|
pass
|
|
else:
|
|
echo("-----> letsencrypt certificate already installed")
|
|
|
|
# fall back to creating self-signed certificate if acme failed
|
|
if not exists(key) or stat(crt).st_size == 0:
|
|
echo("-----> generating self-signed certificate")
|
|
call(
|
|
'openssl req -new -newkey rsa:4096 -days 365 -nodes -x509 -subj "/C=US/ST=NY/L=New York/O=Piku/OU=Self-Signed/CN={domain:s}" -keyout {key:s} -out {crt:s}'.format(
|
|
**locals()), shell=True)
|
|
|
|
# restrict access to server from CloudFlare IP addresses
|
|
acl = []
|
|
if get_boolean(env.get('NGINX_CLOUDFLARE_ACL', 'false')):
|
|
try:
|
|
cf = loads(urlopen('https://api.cloudflare.com/client/v4/ips').read().decode("utf-8"))
|
|
if cf['success'] is True:
|
|
for i in cf['result']['ipv4_cidrs']:
|
|
acl.append("allow {};".format(i))
|
|
if get_boolean(env.get('DISABLE_IPV6', 'false')):
|
|
for i in cf['result']['ipv6_cidrs']:
|
|
acl.append("allow {};".format(i))
|
|
# allow access from controlling machine
|
|
if 'SSH_CLIENT' in environ:
|
|
remote_ip = environ['SSH_CLIENT'].split()[0]
|
|
echo("-----> nginx ACL will include your IP ({})".format(remote_ip))
|
|
acl.append("allow {};".format(remote_ip))
|
|
acl.extend(["allow 127.0.0.1;", "deny all;"])
|
|
except Exception:
|
|
cf = defaultdict()
|
|
echo("-----> Could not retrieve CloudFlare IP ranges: {}".format(format_exc()), fg="red")
|
|
|
|
env['NGINX_ACL'] = " ".join(acl)
|
|
|
|
env['PIKU_INTERNAL_NGINX_BLOCK_GIT'] = "" if env.get('NGINX_ALLOW_GIT_FOLDERS') else "location ~ /\.git { deny all; }"
|
|
|
|
env['PIKU_INTERNAL_PROXY_CACHE_PATH'] = ''
|
|
env['PIKU_INTERNAL_NGINX_CACHE_MAPPINGS'] = ''
|
|
|
|
# Get a mapping of /prefix1,/prefix2
|
|
default_cache_path = join(CACHE_ROOT, app)
|
|
if not exists(default_cache_path):
|
|
makedirs(default_cache_path)
|
|
try:
|
|
cache_size = int(env.get('NGINX_CACHE_SIZE', '1'))
|
|
except Exception:
|
|
echo("=====> Invalid cache size, defaulting to 1GB")
|
|
cache_size = 1
|
|
cache_size = str(cache_size) + "g"
|
|
try:
|
|
cache_time_control = int(env.get('NGINX_CACHE_CONTROL', '3600'))
|
|
except Exception:
|
|
echo("=====> Invalid time for cache control, defaulting to 3600s")
|
|
cache_time_control = 3600
|
|
cache_time_control = str(cache_time_control)
|
|
try:
|
|
cache_time_content = int(env.get('NGINX_CACHE_TIME', '3600'))
|
|
except Exception:
|
|
echo("=====> Invalid cache time for content, defaulting to 3600s")
|
|
cache_time_content = 3600
|
|
cache_time_content = str(cache_time_content) + "s"
|
|
try:
|
|
cache_time_redirects = int(env.get('NGINX_CACHE_REDIRECTS', '3600'))
|
|
except Exception:
|
|
echo("=====> Invalid cache time for redirects, defaulting to 3600s")
|
|
cache_time_redirects = 3600
|
|
cache_time_redirects = str(cache_time_redirects) + "s"
|
|
try:
|
|
cache_time_any = int(env.get('NGINX_CACHE_ANY', '3600'))
|
|
except Exception:
|
|
echo("=====> Invalid cache expiry fallback, defaulting to 3600s")
|
|
cache_time_any = 3600
|
|
cache_time_any = str(cache_time_any) + "s"
|
|
try:
|
|
cache_time_expiry = int(env.get('NGINX_CACHE_EXPIRY', '86400'))
|
|
except Exception:
|
|
echo("=====> Invalid cache expiry, defaulting to 86400s")
|
|
cache_time_expiry = 86400
|
|
cache_time_expiry = str(cache_time_expiry) + "s"
|
|
cache_prefixes = env.get('NGINX_CACHE_PREFIXES', '')
|
|
cache_path = env.get('NGINX_CACHE_PATH', default_cache_path)
|
|
if not exists(cache_path):
|
|
echo("=====> Cache path {} does not exist, using default {}, be aware of disk usage.".format(cache_path, default_cache_path))
|
|
cache_path = env.get(default_cache_path)
|
|
if len(cache_prefixes):
|
|
prefixes = [] # this will turn into part of /(path1|path2|path3)
|
|
try:
|
|
items = cache_prefixes.split(',')
|
|
for item in items:
|
|
if item[0] == '/':
|
|
prefixes.append(item[1:])
|
|
else:
|
|
prefixes.append(item)
|
|
cache_prefixes = "|".join(prefixes)
|
|
echo("-----> nginx will cache /({}) prefixes up to {} or {} of disk space, with the following timings:".format(cache_prefixes, cache_time_expiry, cache_size))
|
|
echo("-----> nginx will cache content for {}.".format(cache_time_content))
|
|
echo("-----> nginx will cache redirects for {}.".format(cache_time_redirects))
|
|
echo("-----> nginx will cache everything else for {}.".format(cache_time_any))
|
|
echo("-----> nginx will send caching headers asking for {} seconds of public caching.".format(cache_time_control))
|
|
env['PIKU_INTERNAL_PROXY_CACHE_PATH'] = expandvars(
|
|
PIKU_INTERNAL_PROXY_CACHE_PATH, locals())
|
|
env['PIKU_INTERNAL_NGINX_CACHE_MAPPINGS'] = expandvars(
|
|
PIKU_INTERNAL_NGINX_CACHE_MAPPING, locals())
|
|
env['PIKU_INTERNAL_NGINX_CACHE_MAPPINGS'] = expandvars(
|
|
env['PIKU_INTERNAL_NGINX_CACHE_MAPPINGS'], env)
|
|
except Exception as e:
|
|
echo("Error {} in cache path spec: should be /prefix1:[,/prefix2], ignoring.".format(e))
|
|
env['PIKU_INTERNAL_NGINX_CACHE_MAPPINGS'] = ''
|
|
|
|
env['PIKU_INTERNAL_NGINX_STATIC_MAPPINGS'] = ''
|
|
|
|
# Get a mapping of /prefix1:path1,/prefix2:path2
|
|
static_paths = env.get('NGINX_STATIC_PATHS', '')
|
|
# prepend static worker path if present
|
|
if 'static' in workers:
|
|
stripped = workers['static'].strip("/").rstrip("/")
|
|
static_paths = ("/" if stripped[0:1] == ":" else "/:") + (stripped if stripped else ".") + "/" + ("," if static_paths else "") + static_paths
|
|
if len(static_paths):
|
|
try:
|
|
items = static_paths.split(',')
|
|
for item in items:
|
|
static_url, static_path = item.split(':')
|
|
if static_path[0] != '/':
|
|
static_path = join(app_path, static_path).rstrip("/") + "/"
|
|
echo("-----> nginx will map {} to {}.".format(static_url, static_path))
|
|
env['PIKU_INTERNAL_NGINX_STATIC_MAPPINGS'] = env['PIKU_INTERNAL_NGINX_STATIC_MAPPINGS'] + expandvars(
|
|
PIKU_INTERNAL_NGINX_STATIC_MAPPING, locals())
|
|
except Exception as e:
|
|
echo("Error {} in static path spec: should be /prefix1:path1[,/prefix2:path2], ignoring.".format(e))
|
|
env['PIKU_INTERNAL_NGINX_STATIC_MAPPINGS'] = ''
|
|
|
|
env['PIKU_INTERNAL_NGINX_CUSTOM_CLAUSES'] = expandvars(open(join(app_path, env["NGINX_INCLUDE_FILE"])).read(), env) if env.get("NGINX_INCLUDE_FILE") else ""
|
|
env['PIKU_INTERNAL_NGINX_PORTMAP'] = ""
|
|
if 'web' in workers or 'wsgi' in workers or 'jwsgi' in workers or 'rwsgi' in workers:
|
|
env['PIKU_INTERNAL_NGINX_PORTMAP'] = expandvars(NGINX_PORTMAP_FRAGMENT, env)
|
|
env['PIKU_INTERNAL_NGINX_COMMON'] = expandvars(NGINX_COMMON_FRAGMENT, env)
|
|
|
|
echo("-----> nginx will map app '{}' to hostname(s) '{}'".format(app, env['NGINX_SERVER_NAME']))
|
|
if get_boolean(env.get('NGINX_HTTPS_ONLY', 'false')):
|
|
buffer = expandvars(NGINX_HTTPS_ONLY_TEMPLATE, env)
|
|
echo("-----> nginx will redirect all requests to hostname(s) '{}' to HTTPS".format(env['NGINX_SERVER_NAME']))
|
|
else:
|
|
buffer = expandvars(NGINX_TEMPLATE, env)
|
|
|
|
# remove all references to IPv6 listeners (for enviroments where it's disabled)
|
|
if get_boolean(env.get('DISABLE_IPV6', 'false')):
|
|
buffer = '\n'.join([line for line in buffer.split('\n') if 'NGINX_IPV6' not in line])
|
|
# change any unecessary uWSGI specific directives to standard proxy ones
|
|
if 'wsgi' not in workers and 'jwsgi' not in workers:
|
|
buffer = buffer.replace("uwsgi_", "proxy_")
|
|
|
|
# map Cloudflare connecting IP to REMOTE_ADDR
|
|
if get_boolean(env.get('NGINX_CLOUDFLARE_ACL', 'false')):
|
|
buffer = buffer.replace("REMOTE_ADDR $remote_addr", "REMOTE_ADDR $http_cf_connecting_ip")
|
|
|
|
with open(nginx_conf, "w") as h:
|
|
h.write(buffer)
|
|
# prevent broken config from breaking other deploys
|
|
try:
|
|
nginx_config_test = str(check_output("nginx -t 2>&1 | grep {}".format(app), env=environ, shell=True))
|
|
except Exception:
|
|
nginx_config_test = None
|
|
if nginx_config_test:
|
|
echo("Error: [nginx config] {}".format(nginx_config_test), fg='red')
|
|
echo("Warning: removing broken nginx config.", fg='yellow')
|
|
unlink(nginx_conf)
|
|
|
|
# Configured worker count
|
|
if exists(scaling):
|
|
worker_count.update({k: int(v) for k, v in parse_procfile(scaling).items() if k in workers})
|
|
|
|
to_create = {}
|
|
to_destroy = {}
|
|
for k, v in worker_count.items():
|
|
to_create[k] = range(1, worker_count[k] + 1)
|
|
if k in deltas and deltas[k]:
|
|
to_create[k] = range(1, worker_count[k] + deltas[k] + 1)
|
|
if deltas[k] < 0:
|
|
to_destroy[k] = range(worker_count[k], worker_count[k] + deltas[k], -1)
|
|
worker_count[k] = worker_count[k] + deltas[k]
|
|
|
|
# Cleanup env
|
|
for k, v in list(env.items()):
|
|
if k.startswith('PIKU_INTERNAL_'):
|
|
del env[k]
|
|
|
|
# Save current settings
|
|
write_config(live, env)
|
|
write_config(scaling, worker_count, ':')
|
|
|
|
if get_boolean(env.get('PIKU_AUTO_RESTART', 'true')):
|
|
config = glob(join(UWSGI_ENABLED, '{}*.ini'.format(app)))
|
|
if len(config):
|
|
echo("-----> Removing uwsgi configs to trigger auto-restart.")
|
|
for c in config:
|
|
remove(c)
|
|
|
|
# Create new workers
|
|
for k, v in to_create.items():
|
|
for w in v:
|
|
enabled = join(UWSGI_ENABLED, '{app:s}_{k:s}.{w:d}.ini'.format(**locals()))
|
|
if not exists(enabled):
|
|
echo("-----> spawning '{app:s}:{k:s}.{w:d}'".format(**locals()), fg='green')
|
|
spawn_worker(app, k, workers[k], env, w)
|
|
|
|
# Remove unnecessary workers (leave logfiles)
|
|
for k, v in to_destroy.items():
|
|
for w in v: # lgtm [py/unused-loop-variable]
|
|
enabled = join(UWSGI_ENABLED, '{app:s}_{k:s}.{w:d}.ini'.format(**locals()))
|
|
if exists(enabled):
|
|
echo("-----> terminating '{app:s}:{k:s}.{w:d}'".format(**locals()), fg='yellow')
|
|
unlink(enabled)
|
|
|
|
return env
|
|
|
|
|
|
def spawn_worker(app, kind, command, env, ordinal=1):
|
|
"""Set up and deploy a single worker of a given kind"""
|
|
|
|
# pylint: disable=unused-variable
|
|
env['PROC_TYPE'] = kind
|
|
env_path = join(ENV_ROOT, app)
|
|
available = join(UWSGI_AVAILABLE, '{app:s}_{kind:s}.{ordinal:d}.ini'.format(**locals()))
|
|
enabled = join(UWSGI_ENABLED, '{app:s}_{kind:s}.{ordinal:d}.ini'.format(**locals()))
|
|
log_file = join(LOG_ROOT, app, kind)
|
|
|
|
settings = [
|
|
('chdir', join(APP_ROOT, app)),
|
|
('uid', getpwuid(getuid()).pw_name),
|
|
('gid', getgrgid(getgid()).gr_name),
|
|
('master', 'true'),
|
|
('project', app),
|
|
('max-requests', env.get('UWSGI_MAX_REQUESTS', '1024')),
|
|
('listen', env.get('UWSGI_LISTEN', '16')),
|
|
('processes', env.get('UWSGI_PROCESSES', '1')),
|
|
('procname-prefix', '{app:s}:{kind:s}:'.format(**locals())),
|
|
('enable-threads', env.get('UWSGI_ENABLE_THREADS', 'true').lower()),
|
|
('log-x-forwarded-for', env.get('UWSGI_LOG_X_FORWARDED_FOR', 'false').lower()),
|
|
('log-maxsize', env.get('UWSGI_LOG_MAXSIZE', UWSGI_LOG_MAXSIZE)),
|
|
('logfile-chown', '%s:%s' % (getpwuid(getuid()).pw_name, getgrgid(getgid()).gr_name)),
|
|
('logfile-chmod', '640'),
|
|
('logto2', '{log_file:s}.{ordinal:d}.log'.format(**locals())),
|
|
('log-backupname', '{log_file:s}.{ordinal:d}.log.old'.format(**locals())),
|
|
]
|
|
|
|
# only add virtualenv to uwsgi if it's a real virtualenv
|
|
if exists(join(env_path, "bin", "activate_this.py")):
|
|
settings.append(('virtualenv', env_path))
|
|
|
|
if 'UWSGI_IDLE' in env:
|
|
try:
|
|
idle_timeout = int(env['UWSGI_IDLE'])
|
|
settings.extend([
|
|
('idle', str(idle_timeout)),
|
|
('cheap', 'True'),
|
|
('die-on-idle', 'True')
|
|
])
|
|
echo("-----> uwsgi will start workers on demand and kill them after {}s of inactivity".format(idle_timeout), fg='yellow')
|
|
except Exception:
|
|
echo("Error: malformed setting 'UWSGI_IDLE', ignoring it.".format(), fg='red')
|
|
pass
|
|
|
|
if kind == 'cron':
|
|
settings.extend([
|
|
['cron', command.replace("*/", "-").replace("*", "-1")],
|
|
])
|
|
|
|
if kind == 'jwsgi':
|
|
settings.extend([
|
|
('module', command),
|
|
('threads', env.get('UWSGI_THREADS', '4')),
|
|
('plugin', 'jvm'),
|
|
('plugin', 'jwsgi')
|
|
])
|
|
|
|
# could not come up with a better kind for ruby, web would work but that means loading the rack plugin in web.
|
|
if kind == 'rwsgi':
|
|
settings.extend([
|
|
('module', command),
|
|
('threads', env.get('UWSGI_THREADS', '4')),
|
|
('plugin', 'rack'),
|
|
('plugin', 'rbrequire'),
|
|
('plugin', 'post-buffering')
|
|
])
|
|
|
|
python_version = int(env.get('PYTHON_VERSION', '3'))
|
|
|
|
if kind == 'wsgi':
|
|
settings.extend([
|
|
('module', command),
|
|
('threads', env.get('UWSGI_THREADS', '4')),
|
|
])
|
|
|
|
if python_version == 2:
|
|
settings.extend([
|
|
('plugin', 'python'),
|
|
])
|
|
if 'UWSGI_GEVENT' in env:
|
|
settings.extend([
|
|
('plugin', 'gevent_python'),
|
|
('gevent', env['UWSGI_GEVENT']),
|
|
])
|
|
elif 'UWSGI_ASYNCIO' in env:
|
|
try:
|
|
tasks = int(env['UWSGI_ASYNCIO'])
|
|
settings.extend([
|
|
('plugin', 'asyncio_python'),
|
|
('async', tasks),
|
|
])
|
|
echo("-----> uwsgi will support {} async tasks".format(tasks), fg='yellow')
|
|
except ValueError:
|
|
echo("Error: malformed setting 'UWSGI_ASYNCIO', ignoring it.".format(), fg='red')
|
|
|
|
elif python_version == 3:
|
|
settings.extend([
|
|
('plugin', 'python3'),
|
|
])
|
|
if 'UWSGI_ASYNCIO' in env:
|
|
try:
|
|
tasks = int(env['UWSGI_ASYNCIO'])
|
|
settings.extend([
|
|
('plugin', 'asyncio_python3'),
|
|
('async', tasks),
|
|
])
|
|
echo("-----> uwsgi will support {} async tasks".format(tasks), fg='yellow')
|
|
except ValueError:
|
|
echo("Error: malformed setting 'UWSGI_ASYNCIO', ignoring it.".format(), fg='red')
|
|
|
|
# If running under nginx, don't expose a port at all
|
|
if 'NGINX_SERVER_NAME' in env:
|
|
sock = join(NGINX_ROOT, "{}.sock".format(app))
|
|
echo("-----> nginx will talk to uWSGI via {}".format(sock), fg='yellow')
|
|
settings.extend([
|
|
('socket', sock),
|
|
('chmod-socket', '664'),
|
|
])
|
|
else:
|
|
echo("-----> nginx will talk to uWSGI via {BIND_ADDRESS:s}:{PORT:s}".format(**env), fg='yellow')
|
|
settings.extend([
|
|
('http', '{BIND_ADDRESS:s}:{PORT:s}'.format(**env)),
|
|
('http-use-socket', '{BIND_ADDRESS:s}:{PORT:s}'.format(**env)),
|
|
('http-socket', '{BIND_ADDRESS:s}:{PORT:s}'.format(**env)),
|
|
])
|
|
elif kind == 'web':
|
|
echo("-----> nginx will talk to the 'web' process via {BIND_ADDRESS:s}:{PORT:s}".format(**env), fg='yellow')
|
|
settings.append(('attach-daemon', command))
|
|
elif kind == 'static':
|
|
echo("-----> nginx serving static files only".format(**env), fg='yellow')
|
|
elif kind == 'cron':
|
|
echo("-----> uwsgi scheduled cron for {command}".format(**locals()), fg='yellow')
|
|
else:
|
|
settings.append(('attach-daemon', command))
|
|
|
|
if kind in ['wsgi', 'web']:
|
|
settings.append(('log-format',
|
|
'%%(addr) - %%(user) [%%(ltime)] "%%(method) %%(uri) %%(proto)" %%(status) %%(size) "%%(referer)" "%%(uagent)" %%(msecs)ms'))
|
|
|
|
# remove unnecessary variables from the env in nginx.ini
|
|
for k in ['NGINX_ACL']:
|
|
if k in env:
|
|
del env[k]
|
|
|
|
# insert user defined uwsgi settings if set
|
|
settings += parse_settings(join(APP_ROOT, app, env.get("UWSGI_INCLUDE_FILE"))).items() if env.get("UWSGI_INCLUDE_FILE") else []
|
|
|
|
for k, v in env.items():
|
|
settings.append(('env', '{k:s}={v}'.format(**locals())))
|
|
|
|
if kind != 'static':
|
|
with open(available, 'w') as h:
|
|
h.write('[uwsgi]\n')
|
|
for k, v in settings:
|
|
h.write("{k:s} = {v}\n".format(**locals()))
|
|
|
|
copyfile(available, enabled)
|
|
|
|
|
|
def do_stop(app):
|
|
config = glob(join(UWSGI_ENABLED, '{}*.ini'.format(app)))
|
|
|
|
if len(config) > 0:
|
|
echo("Stopping app '{}'...".format(app), fg='yellow')
|
|
for c in config:
|
|
remove(c)
|
|
else:
|
|
echo("Error: app '{}' not deployed!".format(app), fg='red') # TODO app could be already stopped. Need to able to tell the difference.
|
|
|
|
|
|
def do_restart(app):
|
|
"""Restarts a deployed app"""
|
|
# This must work even if the app is stopped when called. At the end, the app should be running.
|
|
echo("restarting app '{}'...".format(app), fg='yellow')
|
|
do_stop(app)
|
|
spawn_app(app)
|
|
|
|
|
|
def multi_tail(app, filenames, catch_up=20):
|
|
"""Tails multiple log files"""
|
|
|
|
# Seek helper
|
|
def peek(handle):
|
|
where = handle.tell()
|
|
line = handle.readline()
|
|
if not line:
|
|
handle.seek(where)
|
|
return None
|
|
return line
|
|
|
|
inodes = {}
|
|
files = {}
|
|
prefixes = {}
|
|
|
|
# Set up current state for each log file
|
|
for f in filenames:
|
|
prefixes[f] = splitext(basename(f))[0]
|
|
files[f] = open(f, "rt", encoding="utf-8", errors="ignore")
|
|
inodes[f] = stat(f).st_ino
|
|
files[f].seek(0, 2)
|
|
|
|
longest = max(map(len, prefixes.values()))
|
|
|
|
# Grab a little history (if any)
|
|
for f in filenames:
|
|
for line in deque(open(f, "rt", encoding="utf-8", errors="ignore"), catch_up):
|
|
yield "{} | {}".format(prefixes[f].ljust(longest), line)
|
|
|
|
while True:
|
|
updated = False
|
|
# Check for updates on every file
|
|
for f in filenames:
|
|
line = peek(files[f])
|
|
if line:
|
|
updated = True
|
|
yield "{} | {}".format(prefixes[f].ljust(longest), line)
|
|
|
|
if not updated:
|
|
sleep(1)
|
|
# Check if logs rotated
|
|
for f in filenames:
|
|
if exists(f):
|
|
if stat(f).st_ino != inodes[f]:
|
|
files[f] = open(f)
|
|
inodes[f] = stat(f).st_ino
|
|
else:
|
|
filenames.remove(f)
|
|
|
|
|
|
# === CLI commands ===
|
|
|
|
CONTEXT_SETTINGS = dict(help_option_names=['-h', '--help'])
|
|
|
|
|
|
@group(context_settings=CONTEXT_SETTINGS)
|
|
def piku():
|
|
"""The smallest PaaS you've ever seen"""
|
|
pass
|
|
|
|
|
|
piku.rc = getattr(piku, "result_callback", None) or getattr(piku, "resultcallback", None)
|
|
|
|
|
|
@piku.rc()
|
|
def cleanup(ctx):
|
|
"""Callback from command execution -- add debugging to taste"""
|
|
pass
|
|
|
|
# --- User commands ---
|
|
|
|
|
|
@piku.command("apps")
|
|
def cmd_apps():
|
|
"""List apps, e.g.: piku apps"""
|
|
apps = listdir(APP_ROOT)
|
|
if not apps:
|
|
echo("There are no applications deployed.")
|
|
return
|
|
|
|
for a in apps:
|
|
running = len(glob(join(UWSGI_ENABLED, '{}*.ini'.format(a)))) != 0
|
|
echo(('*' if running else ' ') + a, fg='green')
|
|
|
|
|
|
@piku.command("config")
|
|
@argument('app')
|
|
def cmd_config(app):
|
|
"""Show config, e.g.: piku config <app>"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
config_file = join(ENV_ROOT, app, 'ENV')
|
|
if exists(config_file):
|
|
echo(open(config_file).read().strip(), fg='white')
|
|
else:
|
|
echo("Warning: app '{}' not deployed, no config found.".format(app), fg='yellow')
|
|
|
|
|
|
@piku.command("config:get")
|
|
@argument('app')
|
|
@argument('setting')
|
|
def cmd_config_get(app, setting):
|
|
"""e.g.: piku config:get <app> FOO"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
config_file = join(ENV_ROOT, app, 'ENV')
|
|
if exists(config_file):
|
|
env = parse_settings(config_file)
|
|
if setting in env:
|
|
echo("{}".format(env[setting]), fg='white')
|
|
else:
|
|
echo("Warning: no active configuration for '{}'".format(app))
|
|
|
|
|
|
@piku.command("config:set")
|
|
@argument('app')
|
|
@argument('settings', nargs=-1)
|
|
def cmd_config_set(app, settings):
|
|
"""e.g.: piku config:set <app> FOO=bar BAZ=quux"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
config_file = join(ENV_ROOT, app, 'ENV')
|
|
env = parse_settings(config_file)
|
|
for s in settings:
|
|
try:
|
|
k, v = map(lambda x: x.strip(), s.split("=", 1))
|
|
env[k] = v
|
|
echo("Setting {k:s}={v} for '{app:s}'".format(**locals()), fg='white')
|
|
except Exception:
|
|
echo("Error: malformed setting '{}'".format(s), fg='red')
|
|
return
|
|
write_config(config_file, env)
|
|
do_deploy(app)
|
|
|
|
|
|
@piku.command("config:unset")
|
|
@argument('app')
|
|
@argument('settings', nargs=-1)
|
|
def cmd_config_unset(app, settings):
|
|
"""e.g.: piku config:unset <app> FOO"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
config_file = join(ENV_ROOT, app, 'ENV')
|
|
env = parse_settings(config_file)
|
|
for s in settings:
|
|
if s in env:
|
|
del env[s]
|
|
echo("Unsetting {} for '{}'".format(s, app), fg='white')
|
|
write_config(config_file, env)
|
|
do_deploy(app)
|
|
|
|
|
|
@piku.command("config:live")
|
|
@argument('app')
|
|
def cmd_config_live(app):
|
|
"""e.g.: piku config:live <app>"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
live_config = join(ENV_ROOT, app, 'LIVE_ENV')
|
|
if exists(live_config):
|
|
echo(open(live_config).read().strip(), fg='white')
|
|
else:
|
|
echo("Warning: app '{}' not deployed, no config found.".format(app), fg='yellow')
|
|
|
|
|
|
@piku.command("deploy")
|
|
@argument('app')
|
|
def cmd_deploy(app):
|
|
"""e.g.: piku deploy <app>"""
|
|
|
|
app = exit_if_invalid(app)
|
|
do_deploy(app)
|
|
|
|
|
|
@piku.command("destroy")
|
|
@argument('app')
|
|
def cmd_destroy(app):
|
|
"""e.g.: piku destroy <app>"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
# leave DATA_ROOT, since apps may create hard to reproduce data,
|
|
# and CACHE_ROOT, since `nginx` will set permissions to protect it
|
|
for p in [join(x, app) for x in [APP_ROOT, GIT_ROOT, ENV_ROOT, LOG_ROOT]]:
|
|
if exists(p):
|
|
echo("--> Removing folder '{}'".format(p), fg='yellow')
|
|
rmtree(p)
|
|
|
|
for p in [join(x, '{}*.ini'.format(app)) for x in [UWSGI_AVAILABLE, UWSGI_ENABLED]]:
|
|
g = glob(p)
|
|
if len(g) > 0:
|
|
for f in g:
|
|
echo("--> Removing file '{}'".format(f), fg='yellow')
|
|
remove(f)
|
|
|
|
nginx_files = [join(NGINX_ROOT, "{}.{}".format(app, x)) for x in ['conf', 'sock', 'key', 'crt']]
|
|
for f in nginx_files:
|
|
if exists(f):
|
|
echo("--> Removing file '{}'".format(f), fg='yellow')
|
|
remove(f)
|
|
|
|
acme_link = join(ACME_WWW, app)
|
|
acme_certs = realpath(acme_link)
|
|
if exists(acme_certs):
|
|
echo("--> Removing folder '{}'".format(acme_certs), fg='yellow')
|
|
rmtree(acme_certs)
|
|
echo("--> Removing file '{}'".format(acme_link), fg='yellow')
|
|
unlink(acme_link)
|
|
|
|
# These come last to make sure they're visible
|
|
for p in [join(x, app) for x in [DATA_ROOT, CACHE_ROOT]]:
|
|
if exists(p):
|
|
echo("==> Preserving folder '{}'".format(p), fg='red')
|
|
|
|
|
|
@piku.command("logs")
|
|
@argument('app')
|
|
@argument('process', nargs=1, default='*')
|
|
def cmd_logs(app, process):
|
|
"""Tail running logs, e.g: piku logs <app> [<process>]"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
logfiles = glob(join(LOG_ROOT, app, process + '.*.log'))
|
|
if len(logfiles) > 0:
|
|
for line in multi_tail(app, logfiles):
|
|
echo(line.strip(), fg='white')
|
|
else:
|
|
echo("No logs found for app '{}'.".format(app), fg='yellow')
|
|
|
|
|
|
@piku.command("ps")
|
|
@argument('app')
|
|
def cmd_ps(app):
|
|
"""Show process count, e.g: piku ps <app>"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
config_file = join(ENV_ROOT, app, 'SCALING')
|
|
if exists(config_file):
|
|
echo(open(config_file).read().strip(), fg='white')
|
|
else:
|
|
echo("Error: no workers found for app '{}'.".format(app), fg='red')
|
|
|
|
|
|
@piku.command("ps:scale")
|
|
@argument('app')
|
|
@argument('settings', nargs=-1)
|
|
def cmd_ps_scale(app, settings):
|
|
"""e.g.: piku ps:scale <app> <proc>=<count>"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
config_file = join(ENV_ROOT, app, 'SCALING')
|
|
worker_count = {k: int(v) for k, v in parse_procfile(config_file).items()}
|
|
deltas = {}
|
|
for s in settings:
|
|
try:
|
|
k, v = map(lambda x: x.strip(), s.split("=", 1))
|
|
c = int(v) # check for integer value
|
|
if c < 0:
|
|
echo("Error: cannot scale type '{}' below 0".format(k), fg='red')
|
|
return
|
|
if k not in worker_count:
|
|
echo("Error: worker type '{}' not present in '{}'".format(k, app), fg='red')
|
|
return
|
|
deltas[k] = c - worker_count[k]
|
|
except Exception:
|
|
echo("Error: malformed setting '{}'".format(s), fg='red')
|
|
return
|
|
do_deploy(app, deltas)
|
|
|
|
|
|
@piku.command("run")
|
|
@argument('app')
|
|
@argument('cmd', nargs=-1)
|
|
def cmd_run(app, cmd):
|
|
"""e.g.: piku run <app> ls -- -al"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
config_file = join(ENV_ROOT, app, 'LIVE_ENV')
|
|
environ.update(parse_settings(config_file))
|
|
for f in [stdout, stderr]:
|
|
fl = fcntl(f, F_GETFL)
|
|
fcntl(f, F_SETFL, fl | O_NONBLOCK)
|
|
p = Popen(' '.join(cmd), stdin=stdin, stdout=stdout, stderr=stderr, env=environ, cwd=join(APP_ROOT, app), shell=True)
|
|
p.communicate()
|
|
|
|
|
|
@piku.command("restart")
|
|
@argument('app')
|
|
def cmd_restart(app):
|
|
"""Restart an app: piku restart <app>"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
do_restart(app)
|
|
|
|
|
|
@piku.command("setup")
|
|
def cmd_setup():
|
|
"""Initialize environment"""
|
|
|
|
echo("Running in Python {}".format(".".join(map(str, version_info))))
|
|
|
|
# Create required paths
|
|
for p in [APP_ROOT, CACHE_ROOT, DATA_ROOT, GIT_ROOT, ENV_ROOT, UWSGI_ROOT, UWSGI_AVAILABLE, UWSGI_ENABLED, LOG_ROOT, NGINX_ROOT]:
|
|
if not exists(p):
|
|
echo("Creating '{}'.".format(p), fg='green')
|
|
makedirs(p)
|
|
|
|
# Set up the uWSGI emperor config
|
|
settings = [
|
|
('chdir', UWSGI_ROOT),
|
|
('emperor', UWSGI_ENABLED),
|
|
('log-maxsize', UWSGI_LOG_MAXSIZE),
|
|
('logto', join(UWSGI_ROOT, 'uwsgi.log')),
|
|
('log-backupname', join(UWSGI_ROOT, 'uwsgi.old.log')),
|
|
('socket', join(UWSGI_ROOT, 'uwsgi.sock')),
|
|
('uid', getpwuid(getuid()).pw_name),
|
|
('gid', getgrgid(getgid()).gr_name),
|
|
('enable-threads', 'true'),
|
|
('threads', '{}'.format(cpu_count() * 2)),
|
|
]
|
|
with open(join(UWSGI_ROOT, 'uwsgi.ini'), 'w') as h:
|
|
h.write('[uwsgi]\n')
|
|
# pylint: disable=unused-variable
|
|
for k, v in settings:
|
|
h.write("{k:s} = {v}\n".format(**locals()))
|
|
|
|
# mark this script as executable (in case we were invoked via interpreter)
|
|
if not (stat(PIKU_SCRIPT).st_mode & S_IXUSR):
|
|
echo("Setting '{}' as executable.".format(PIKU_SCRIPT), fg='yellow')
|
|
chmod(PIKU_SCRIPT, stat(PIKU_SCRIPT).st_mode | S_IXUSR)
|
|
|
|
|
|
@piku.command("setup:ssh")
|
|
@argument('public_key_file')
|
|
def cmd_setup_ssh(public_key_file):
|
|
"""Set up a new SSH key (use - for stdin)"""
|
|
|
|
def add_helper(key_file):
|
|
if exists(key_file):
|
|
try:
|
|
fingerprint = str(check_output('ssh-keygen -lf ' + key_file, shell=True)).split(' ', 4)[1]
|
|
key = open(key_file, 'r').read().strip()
|
|
echo("Adding key '{}'.".format(fingerprint), fg='white')
|
|
setup_authorized_keys(fingerprint, PIKU_SCRIPT, key)
|
|
except Exception:
|
|
echo("Error: invalid public key file '{}': {}".format(key_file, format_exc()), fg='red')
|
|
elif public_key_file == '-':
|
|
buffer = "".join(stdin.readlines())
|
|
with NamedTemporaryFile(mode="w") as f:
|
|
f.write(buffer)
|
|
f.flush()
|
|
add_helper(f.name)
|
|
else:
|
|
echo("Error: public key file '{}' not found.".format(key_file), fg='red')
|
|
|
|
add_helper(public_key_file)
|
|
|
|
|
|
@piku.command("stop")
|
|
@argument('app')
|
|
def cmd_stop(app):
|
|
"""Stop an app, e.g: piku stop <app>"""
|
|
app = exit_if_invalid(app)
|
|
do_stop(app)
|
|
|
|
|
|
# --- Internal commands ---
|
|
|
|
@piku.command("git-hook")
|
|
@argument('app')
|
|
def cmd_git_hook(app):
|
|
"""INTERNAL: Post-receive git hook"""
|
|
|
|
app = sanitize_app_name(app)
|
|
repo_path = join(GIT_ROOT, app)
|
|
app_path = join(APP_ROOT, app)
|
|
data_path = join(DATA_ROOT, app)
|
|
|
|
for line in stdin:
|
|
# pylint: disable=unused-variable
|
|
oldrev, newrev, refname = line.strip().split(" ")
|
|
# Handle pushes
|
|
if not exists(app_path):
|
|
echo("-----> Creating app '{}'".format(app), fg='green')
|
|
makedirs(app_path)
|
|
# The data directory may already exist, since this may be a full redeployment (we never delete data since it may be expensive to recreate)
|
|
if not exists(data_path):
|
|
makedirs(data_path)
|
|
call("git clone --quiet {} {}".format(repo_path, app), cwd=APP_ROOT, shell=True)
|
|
do_deploy(app, newrev=newrev)
|
|
|
|
|
|
@piku.command("git-receive-pack")
|
|
@argument('app')
|
|
def cmd_git_receive_pack(app):
|
|
"""INTERNAL: Handle git pushes for an app"""
|
|
|
|
app = sanitize_app_name(app)
|
|
hook_path = join(GIT_ROOT, app, 'hooks', 'post-receive')
|
|
env = globals()
|
|
env.update(locals())
|
|
|
|
if not exists(hook_path):
|
|
makedirs(dirname(hook_path))
|
|
# Initialize the repository with a hook to this script
|
|
call("git init --quiet --bare " + app, cwd=GIT_ROOT, shell=True)
|
|
with open(hook_path, 'w') as h:
|
|
h.write("""#!/usr/bin/env bash
|
|
set -e; set -o pipefail;
|
|
cat | PIKU_ROOT="{PIKU_ROOT:s}" {PIKU_SCRIPT:s} git-hook {app:s}""".format(**env))
|
|
# Make the hook executable by our user
|
|
chmod(hook_path, stat(hook_path).st_mode | S_IXUSR)
|
|
# Handle the actual receive. We'll be called with 'git-hook' after it happens
|
|
call('git-shell -c "{}" '.format(argv[1] + " '{}'".format(app)), cwd=GIT_ROOT, shell=True)
|
|
|
|
|
|
@piku.command("git-upload-pack")
|
|
@argument('app')
|
|
def cmd_git_upload_pack(app):
|
|
"""INTERNAL: Handle git upload pack for an app"""
|
|
app = sanitize_app_name(app)
|
|
env = globals()
|
|
env.update(locals())
|
|
# Handle the actual receive. We'll be called with 'git-hook' after it happens
|
|
call('git-shell -c "{}" '.format(argv[1] + " '{}'".format(app)), cwd=GIT_ROOT, shell=True)
|
|
|
|
|
|
def _get_plugin_commands(path):
|
|
sys_path.append(abspath(path))
|
|
|
|
cli_commands = []
|
|
if isdir(path):
|
|
for item in listdir(path):
|
|
module_path = join(path, item)
|
|
if isdir(module_path):
|
|
try:
|
|
module = import_module(item)
|
|
except Exception:
|
|
module = None
|
|
if hasattr(module, 'cli_commands'):
|
|
cli_commands.append(module.cli_commands())
|
|
|
|
return cli_commands
|
|
|
|
|
|
@piku.command("help")
|
|
@pass_context
|
|
def cmd_help(ctx):
|
|
"""display help for piku"""
|
|
echo(ctx.parent.get_help())
|
|
|
|
|
|
@piku.command("update")
|
|
def cmd_update():
|
|
"""Update the piku cli"""
|
|
echo("Updating piku...")
|
|
|
|
with NamedTemporaryFile(mode="w") as f:
|
|
tempfile = f.name
|
|
cmd = """curl -sL -w %{{http_code}} {} -o {}""".format(PIKU_RAW_SOURCE_URL, tempfile)
|
|
response = check_output(cmd.split(' '), stderr=STDOUT)
|
|
http_code = response.decode('utf8').strip()
|
|
if http_code == "200":
|
|
copyfile(tempfile, PIKU_SCRIPT)
|
|
echo("Update successful.")
|
|
else:
|
|
echo("Error updating piku - please check if {} is accessible from this machine.".format(PIKU_RAW_SOURCE_URL))
|
|
echo("Done.")
|
|
|
|
|
|
if __name__ == '__main__':
|
|
cli_commands = _get_plugin_commands(path=PIKU_PLUGIN_ROOT)
|
|
cli_commands.append(piku)
|
|
cli = CommandCollection(sources=cli_commands)
|
|
cli()
|