Ditch all travis config except for elasticsearch 2 test

.travis.yml

@@ -2,68 +2,18 @@ language: python
 cache: pip
 dist: xenial
 
-addons:
-  postgresql: "9.6"
-
 matrix:
   include:
-   - env: TOXENV=py36-dj22-mysql-noelasticsearch
-     python: 3.6
-   - env: TOXENV=py37-dj30-sqlite-noelasticsearch
-     python: 3.7
-   - env: TOXENV=py38-dj31-postgres-noelasticsearch
-     python: 3.8
-   - env: TOXENV=py39-dj31-mysql-noelasticsearch
-     python: 3.9
-   - env: TOXENV=py39-dj31-sqlite-noelasticsearch
-     python: 3.9
-   - env: TOXENV=py39-dj31-postgres-noelasticsearch-emailuser
-     python: 3.9
-   - env: TOXENV=py39-dj31-postgres-noelasticsearch-notz
-     python: 3.9
-   - env: TOXENV=py39-dj31stable-postgres-noelasticsearch
-     python: 3.9
-   - env: TOXENV=py39-djmaster-postgres-noelasticsearch
-     python: 3.9
    - env: TOXENV=py36-dj22-sqlite-elasticsearch2 INSTALL_ELASTICSEARCH2=yes
      python: 3.6
-   - env: TOXENV=py37-dj30-postgres-elasticsearch5 INSTALL_ELASTICSEARCH5=yes
-     python: 3.7
-   - env: TOXENV=py38-dj31-postgres-elasticsearch6 INSTALL_ELASTICSEARCH6=yes
-     python: 3.8
-   - env: TOXENV=py39-dj31-postgres-elasticsearch7 INSTALL_ELASTICSEARCH7=yes
-     python: 3.9
-   - env: TOXENV=py39-dj31-sqlite-elasticsearch7-emailuser INSTALL_ELASTICSEARCH7=yes
-     python: 3.9
   allow_failures:
     # Ignore failures on Elasticsearch tests because ES on Travis is intermittently flaky
     - env: TOXENV=py36-dj22-sqlite-elasticsearch2 INSTALL_ELASTICSEARCH2=yes
-    - env: TOXENV=py37-dj30-postgres-elasticsearch5 INSTALL_ELASTICSEARCH5=yes
-    - env: TOXENV=py38-dj31-postgres-elasticsearch6 INSTALL_ELASTICSEARCH6=yes
-    - env: TOXENV=py39-dj31-postgres-elasticsearch7 INSTALL_ELASTICSEARCH7=yes
-    - env: TOXENV=py39-dj31-sqlite-elasticsearch7-emailuser INSTALL_ELASTICSEARCH7=yes
-    # allow failures against Django pre-releases on git
-    - env: TOXENV=py39-dj31stable-postgres-noelasticsearch
-    - env: TOXENV=py39-djmaster-postgres-noelasticsearch
-
-# Services
-services:
-  - elasticsearch
-  - mysql
 
 # Package installation
 install:
   - pip install tox codecov
   - 'if [[ -n "$INSTALL_ELASTICSEARCH2" ]]; then ./scripts/travis/install_elasticsearch2.sh; fi'
-  - 'if [[ -n "$INSTALL_ELASTICSEARCH5" ]]; then ./scripts/travis/install_elasticsearch5.sh; fi'
-  - 'if [[ -n "$INSTALL_ELASTICSEARCH6" ]]; then ./scripts/travis/install_elasticsearch6.sh; fi'
-  - 'if [[ -n "$INSTALL_ELASTICSEARCH7" ]]; then ./scripts/travis/install_elasticsearch7.sh; fi'
-
-# Pre-test configuration
-before_script:
-  - psql -c 'create database wagtaildemo;' -U postgres
-  - mysql -e "SET GLOBAL wait_timeout = 36000;"
-  - mysql -e "SET GLOBAL max_allowed_packet = 134209536;"
 
 # Run the tests
 script:

scripts/travis/install_elasticsearch5.sh

@@ -1,3 +0,0 @@
-#!/bin/bash
-
-curl -O https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.3.3.deb && sudo dpkg -i --force-confnew elasticsearch-5.3.3.deb && sudo service elasticsearch restart

scripts/travis/install_elasticsearch6.sh

@@ -1,3 +0,0 @@
-#!/bin/bash
-
-curl -O https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.1.0.deb && sudo dpkg -i --force-confnew elasticsearch-6.1.0.deb && sudo service elasticsearch restart

scripts/travis/install_elasticsearch7.sh

@@ -1,3 +0,0 @@
-#!/bin/bash
-
-curl -O https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.4.0-amd64.deb && sudo dpkg -i --force-confnew elasticsearch-7.4.0-amd64.deb && sudo sed -i.old 's/-Xms1g/-Xms128m/' /etc/elasticsearch/jvm.options && sudo sed -i.old 's/-Xmx1g/-Xmx128m/' /etc/elasticsearch/jvm.options && echo -e '-XX:+DisableExplicitGC\n-Djdk.io.permissionsUseCanonicalPath=true\n-Dlog4j.skipJansi=true\n-server\n' | sudo tee -a /etc/elasticsearch/jvm.options && sudo chown -R elasticsearch:elasticsearch /etc/default/elasticsearch && sudo service elasticsearch restart