kopia lustrzana https://github.com/jupyterhub/repo2docker
161 wiersze
4.1 KiB
Bash
Executable File
161 wiersze
4.1 KiB
Bash
Executable File
#!/bin/bash
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#
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# The 'run' performs a simple test that verifies the S2I image.
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# The main focus here is to exercise the S2I scripts.
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#
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# For more information see the documentation:
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# https://github.com/openshift/source-to-image/blob/master/docs/builder_image.md
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#
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# IMAGE_NAME specifies a name of the candidate image used for testing.
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# The image has to be available before this script is executed.
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#
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IMAGE_NAME=${IMAGE_NAME-ubuntu1610-python35-venv-candidate}
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# Determining system utility executables (darwin compatibility check)
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READLINK_EXEC="readlink"
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MKTEMP_EXEC="mktemp"
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if [[ "$OSTYPE" =~ 'darwin' ]]; then
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! type -a "greadlink" &>"/dev/null" || READLINK_EXEC="greadlink"
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! type -a "gmktemp" &>"/dev/null" || MKTEMP_EXEC="gmktemp"
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fi
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test_dir="$($READLINK_EXEC -zf $(dirname "${BASH_SOURCE[0]}"))"
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image_dir=$($READLINK_EXEC -zf ${test_dir}/..)
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scripts_url="file://${image_dir}/.s2i/bin"
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cid_file=$($MKTEMP_EXEC -u --suffix=.cid)
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# Since we built the candidate image locally, we don't want S2I to attempt to pull
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# it from Docker hub
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s2i_args="--pull-policy=never --loglevel=2"
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# Port the image exposes service to be tested
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test_port=8080
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image_exists() {
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docker inspect $1 &>/dev/null
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}
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container_exists() {
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image_exists $(cat $cid_file)
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}
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container_ip() {
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if [ ! -z "$DOCKER_HOST" ] && [[ "$OSTYPE" =~ 'darwin' ]]; then
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docker-machine ip
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else
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docker inspect --format="{{ .NetworkSettings.IPAddress }}" $(cat $cid_file)
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fi
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}
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container_port() {
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if [ ! -z "$DOCKER_HOST" ] && [[ "$OSTYPE" =~ 'darwin' ]]; then
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docker inspect --format="{{(index .NetworkSettings.Ports \"$test_port/tcp\" 0).HostPort}}" "$(cat "${cid_file}")"
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else
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echo $test_port
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fi
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}
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run_s2i_build() {
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s2i build --incremental=true ${s2i_args} file://${test_dir}/test-app ${IMAGE_NAME} ${IMAGE_NAME}-testapp
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}
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prepare() {
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if ! image_exists ${IMAGE_NAME}; then
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echo "ERROR: The image ${IMAGE_NAME} must exist before this script is executed."
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exit 1
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fi
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# s2i build requires the application is a valid 'Git' repository
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pushd ${test_dir}/test-app >/dev/null
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git init
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git config user.email "build@localhost" && git config user.name "builder"
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git add -A && git commit -m "Sample commit"
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popd >/dev/null
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run_s2i_build
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}
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run_test_application() {
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docker run --rm --cidfile=${cid_file} -p ${test_port} ${IMAGE_NAME}-testapp
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}
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cleanup() {
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if [ -f $cid_file ]; then
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if container_exists; then
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docker stop $(cat $cid_file)
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fi
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fi
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if image_exists ${IMAGE_NAME}-testapp; then
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docker rmi ${IMAGE_NAME}-testapp
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fi
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}
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check_result() {
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local result="$1"
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if [[ "$result" != "0" ]]; then
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echo "S2I image '${IMAGE_NAME}' test FAILED (exit code: ${result})"
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cleanup
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exit $result
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fi
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}
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wait_for_cid() {
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local max_attempts=10
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local sleep_time=1
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local attempt=1
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local result=1
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while [ $attempt -le $max_attempts ]; do
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[ -f $cid_file ] && break
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echo "Waiting for container to start..."
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attempt=$(( $attempt + 1 ))
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sleep $sleep_time
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done
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}
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test_usage() {
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echo "Testing 's2i usage'..."
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s2i usage ${s2i_args} ${IMAGE_NAME} &>/dev/null
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}
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test_connection() {
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echo "Testing HTTP connection (http://$(container_ip):$(container_port))"
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local max_attempts=10
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local sleep_time=1
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local attempt=1
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local result=1
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while [ $attempt -le $max_attempts ]; do
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echo "Sending GET request to http://$(container_ip):$(container_port)/"
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response_code=$(curl -s -w %{http_code} -o /dev/null http://$(container_ip):$(container_port)/)
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status=$?
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if [ $status -eq 0 ]; then
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if [ $response_code -eq 200 ]; then
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result=0
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fi
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break
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fi
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attempt=$(( $attempt + 1 ))
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sleep $sleep_time
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done
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return $result
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}
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# Build the application image twice to ensure the 'save-artifacts' and
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# 'restore-artifacts' scripts are working properly
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prepare
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run_s2i_build
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check_result $?
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# Verify the 'usage' script is working properly
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test_usage
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check_result $?
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# Verify that the HTTP connection can be established to test application container
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run_test_application &
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# Wait for the container to write its CID file
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wait_for_cid
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test_connection
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check_result $?
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cleanup
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