mirror of
https://github.com/bitnami/containers.git
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Merge pull request #16 from sameersbn/rewrite-tests
tests: rewrite tests for better maintenance and readability
This commit is contained in:
Sameer Naik
@@ -1,14 +1,46 @@
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#!/usr/bin/env bats
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CONTAINER_NAME=bitnami-ruby-test
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IMAGE_NAME=bitnami/ruby
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VOL_PREFIX=/bitnami/$CONTAINER_NAME
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create_container(){
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docker run -itd --name $CONTAINER_NAME $IMAGE_NAME
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# source the helper script
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APP_NAME=ruby
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VOLUMES=/app
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SLEEP_TIME=0
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load tests/docker_helper
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# Cleans up all running/stopped containers
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cleanup_environment() {
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container_remove default
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}
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add_app() {
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docker exec $CONTAINER_NAME sh -c "echo \"
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# Teardown called at the end of each test
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teardown() {
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cleanup_environment
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}
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# cleanup the environment before starting the tests
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cleanup_environment
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@test "ruby, gem and bundler installed" {
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container_create default -id
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run container_exec default ruby -v
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[ "$status" = 0 ]
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run container_exec default gem -v
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[ "$status" = 0 ]
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run container_exec default bundle -v
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[ "$status" = 0 ]
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}
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@test "can install gem modules with system requirements" {
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container_create default -id
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run container_exec default gem install nokogiri --no-ri --no-rdoc
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[ "$status" = 0 ]
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}
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@test "port 3000 exposed" {
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container_create default -id
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# create sample sinatra application
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container_exec default sh -c "cat > /app/server.rb <<EOF
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require 'sinatra'
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set :bind, '0.0.0.0'
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@@ -16,37 +48,17 @@ set :port, 3000
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get '/hi' do
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'A Lanister always pays his debts'
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end\" > /app/server.rb"
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}
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end
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EOF"
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setup () {
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create_container
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}
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# install application dependencies
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container_exec default gem install sinatra --no-ri --no-rdoc
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teardown() {
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if [ "$(docker ps -a | grep $CONTAINER_NAME)" ]; then
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docker rm -fv $CONTAINER_NAME
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fi
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}
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# start application and wait 5 secs for app to boot up
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container_exec_detached default ruby server.rb
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sleep 5
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@test "ruby, gem and bundler installed" {
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run docker exec $CONTAINER_NAME ruby -v
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[ "$status" = 0 ]
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run docker exec $CONTAINER_NAME gem -v
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[ "$status" = 0 ]
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run docker exec $CONTAINER_NAME bundle -v
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[ "$status" = 0 ]
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}
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@test "can install gem modules with system requirements" {
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run docker exec $CONTAINER_NAME gem install nokogiri --no-ri --no-rdoc
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[ "$status" = 0 ]
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}
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@test "port 3000 exposed" {
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add_app
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docker exec -d $CONTAINER_NAME sh -c 'gem install sinatra --no-ri --no-rdoc && ruby server.rb'
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sleep 10
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run docker run --rm --link $CONTAINER_NAME:ruby bitnami/ruby curl http://ruby:3000/hi
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# test application using curl
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run curl_client default http://ruby:3000/hi
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[[ "$output" =~ "A Lanister always pays his debts" ]]
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}
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177
bitnami/ruby/tests/docker_helper.bash
Normal file
177
bitnami/ruby/tests/docker_helper.bash
Normal file
@@ -0,0 +1,177 @@
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#!/bin/bash
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##
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# Reusable helper script to do docker things in your tests
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##
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# The following variables should be defined in you BATS script for this helper
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# script to work correctly.
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#
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# APP_NAME - app name, also used as the link alias in container_link_and_run_command
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# CONTAINER_NAME - prefix for the name of containers that will be created (default: bitnami-$APP_NAME-test)
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# IMAGE_NAME - the docker image name (default: bitnami/$APP_NAME)
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# SLEEP_TIME - time in seconds to wait for containers to start (default: 5)
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# VOL_PREFIX - prefix of volumes inside the container (default: /bitnami/$APP_NAME)
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# VOLUMES - colon separated list of container volumes (default: $VOL_PREFIX/data:$VOL_PREFIX/conf:$VOL_PREFIX/logs)
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# HOST_VOL_PREFIX - prefix of volumes mounted from the host (default: /tmp/bitnami/$CONTAINER_NAME)
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# container_link_and_run_command_DOCKER_ARGS - optional arguments passed to docker run in container_link_and_run_command (default: none)
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##
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CONTAINER_NAME=bitnami-$APP_NAME-test
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IMAGE_NAME=${IMAGE_NAME:-bitnami/$APP_NAME}
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SLEEP_TIME=${SLEEP_TIME:-5}
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VOL_PREFIX=${VOL_PREFIX:-/bitnami/$APP_NAME}
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VOLUMES=${VOLUMES:-$VOL_PREFIX/data:$VOL_PREFIX/conf:$VOL_PREFIX/logs}
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HOST_VOL_PREFIX=${HOST_VOL_PREFIX:-/tmp/bitnami/$CONTAINER_NAME}
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# Creates a container whose name has the prefix $CONTAINER_NAME
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# $1: name for the new container
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# ${@:2}: additional arguments for docker run while starting the container
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container_create() {
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docker run --name $CONTAINER_NAME-$1 "${@:2}" $IMAGE_NAME
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sleep $SLEEP_TIME
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}
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# Creates a container with host mounted volumes for volumes listed in VOLUMES
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# $1: name for the new container
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# ${@:2}: additional arguments for docker run while starting the container
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container_create_with_host_volumes() {
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# populate volume mount arguments from VOLUMES variable
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VOLUME_ARGS=
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OLD_IFS=${IFS}
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IFS=":"
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for VOLUME in $VOLUMES
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do
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VOL_NAME=$(basename $VOLUME)
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VOLUME_ARGS+="-v $HOST_VOL_PREFIX/$1/$VOL_NAME:$VOLUME "
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done
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IFS=${OLD_IFS}
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container_create $1 "${@:2}" $VOLUME_ARGS
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}
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# Start a stopped container
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# $1: name of the container
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container_start() {
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if docker ps -a | grep -q $CONTAINER_NAME-$1; then
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docker start $CONTAINER_NAME-$1
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sleep $SLEEP_TIME
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else
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return 1
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fi
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}
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# Stop a running container
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# $1: name of the container
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container_stop() {
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if docker ps | grep -q $CONTAINER_NAME-$1; then
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docker stop $CONTAINER_NAME-$1
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else
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return 1
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fi
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}
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# Restart a running container (stops the container and then starts it)
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# $1: name of the container
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container_restart() {
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if docker ps | grep -q $CONTAINER_NAME-$1; then
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docker stop $CONTAINER_NAME-$1
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docker start $CONTAINER_NAME-$1
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sleep $SLEEP_TIME
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fi
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}
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# Remove a running/stopped container
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# $1: name of the container
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container_remove() {
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if docker ps -a | grep -q $CONTAINER_NAME-$1; then
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docker stop $CONTAINER_NAME-$1
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docker rm -v $CONTAINER_NAME-$1
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fi
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}
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# Remove a running/stopped container and clear host volumes
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# $1: name of the container
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container_remove_full() {
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container_remove $1
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# populate volume mount and rm arguments from VOLUMES variable
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VOLUME_ARGS=
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RM_ARGS=
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OLD_IFS=${IFS}
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IFS=":"
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for VOLUME in $VOLUMES
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do
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VOL_NAME=$(basename $VOLUME)
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VOLUME_ARGS+="-v $HOST_VOL_PREFIX/$1/$VOL_NAME:$VOLUME "
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RM_ARGS+="$VOLUME/* $VOLUME/.[^.]* "
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done
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IFS=${OLD_IFS}
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docker run --rm --entrypoint bash $VOLUME_ARGS \
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$IMAGE_NAME -c "rm -rf $RM_ARGS"
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}
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# Get the logs of a container
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# $1: name of the container
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container_logs() {
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if docker ps -a | grep -q $CONTAINER_NAME-$1; then
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docker logs $CONTAINER_NAME-$1
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else
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return 1
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fi
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}
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# Docker inspect a container
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# $1: name of the container
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container_inspect() {
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if docker ps -a | grep -q $CONTAINER_NAME-$1; then
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# docker inspect "${@:2}" $CONTAINER_NAME-$1 # requires docker >= 1.9.0
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docker inspect $CONTAINER_NAME-$1
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else
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return 1
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fi
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}
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# Execute a command in a running container using docker exec
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# $1: name of the container
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container_exec() {
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if docker ps | grep -q $CONTAINER_NAME-$1; then
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docker exec $CONTAINER_NAME-$1 "${@:2}"
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else
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return 1
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fi
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}
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# Execute a command in a running container using docker exec (detached)
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# $1: name of the container
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container_exec_detached() {
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if docker ps | grep -q $CONTAINER_NAME-$1; then
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docker exec -d $CONTAINER_NAME-$1 "${@:2}"
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else
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return 1
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fi
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}
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# Generates docker link parameter for linking to a container
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# $1: name of the container to link
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# $2: alias for the link
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container_link() {
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if docker ps -a | grep -q $CONTAINER_NAME-$1; then
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echo "--link $CONTAINER_NAME-$1:$2"
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fi
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}
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# Link to container and execute command
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# $1: name of the container to link to
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# ${@:2}: command to execute
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container_link_and_run_command() {
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# launch command as the entrypoint to skip the s6 init sequence (speeds up the tests)
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docker run --rm $(container_link $1 $APP_NAME) $container_link_and_run_command_DOCKER_ARGS --entrypoint ${2} $IMAGE_NAME "${@:3}"
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}
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# Link to container and execute curl
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# $1: name of the container to link to
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# ${@:2}: arguments to curl
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curl_client() {
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container_link_and_run_command $1 curl --noproxy $APP_NAME --retry 5 -L "${@:2}"
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}
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