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nginx-proxy/test/lib/docker_helpers.bash

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## functions to help deal with docker
# Removes container $1
function docker_clean {
docker kill $1 &>/dev/null ||:
sleep .25s
docker rm -vf $1 &>/dev/null ||:
sleep .25s
}
# get the ip of docker container $1
function docker_ip {
docker inspect --format '{{ .NetworkSettings.IPAddress }}' $1
}
# get the running state of container $1
# → true/false
# fails if the container does not exist
function docker_running_state {
docker inspect -f {{.State.Running}} $1
}
# get the docker container $1 PID
function docker_pid {
docker inspect --format {{.State.Pid}} $1
}
# asserts logs from container $1 contains $2
function docker_assert_log {
local -r container=$1
shift
run docker logs $container
assert_output -p "$*"
}
# wait for a container to produce a given text in its log
# $1 container
# $2 timeout in second
# $* text to wait for
function docker_wait_for_log {
local -r container=$1
local -ir timeout_sec=$2
shift 2
retry $(( $timeout_sec * 2 )) .5s docker_assert_log $container "$*"
}
# Create a docker container named $1 which exposes the docker host unix
# socket over tcp on port 2375.
#
# $1 container name
function docker_tcp {
local container_name="$1"
docker_clean $container_name
docker run -d \
--name $container_name \
--expose 2375 \
-v /var/run/docker.sock:/var/run/docker.sock \
rancher/socat-docker
docker run --rm --link "$container_name:docker" docker version
}