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nginx-proxy/test/docker.bats

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Bash

#!/usr/bin/env bats
load test_helpers
@test "[$TEST_FILE] start 2 web containers" {
prepare_web_container bats-web1 81 -e VIRTUAL_HOST=web1.bats
prepare_web_container bats-web2 82 -e VIRTUAL_HOST=web2.bats
}
@test "[$TEST_FILE] -v /var/run/docker.sock:/tmp/docker.sock:ro" {
SUT_CONTAINER=bats-nginx-proxy-${TEST_FILE}-1
# WHEN nginx-proxy runs on our docker host using the default unix socket
run nginxproxy $SUT_CONTAINER -v /var/run/docker.sock:/tmp/docker.sock:ro
assert_success
docker_wait_for_log $SUT_CONTAINER 9 "Watching docker events"
# THEN
assert_nginxproxy_behaves $SUT_CONTAINER
}
@test "[$TEST_FILE] -v /var/run/docker.sock:/f00.sock:ro -e DOCKER_HOST=unix:///f00.sock" {
SUT_CONTAINER=bats-nginx-proxy-${TEST_FILE}-2
# WHEN nginx-proxy runs on our docker host using a custom unix socket
run nginxproxy $SUT_CONTAINER -v /var/run/docker.sock:/f00.sock:ro -e DOCKER_HOST=unix:///f00.sock
assert_success
docker_wait_for_log $SUT_CONTAINER 9 "Watching docker events"
# THEN
assert_nginxproxy_behaves $SUT_CONTAINER
}
@test "[$TEST_FILE] -e DOCKER_HOST=tcp://..." {
SUT_CONTAINER=bats-nginx-proxy-${TEST_FILE}-3
# GIVEN a container exposing our docker host over TCP
run docker_tcp bats-docker-tcp
assert_success
sleep 1s
# WHEN nginx-proxy runs on our docker host using tcp to connect to our docker host
run nginxproxy $SUT_CONTAINER -e DOCKER_HOST="tcp://bats-docker-tcp:2375" --link bats-docker-tcp:bats-docker-tcp
assert_success
docker_wait_for_log $SUT_CONTAINER 9 "Watching docker events"
# THEN
assert_nginxproxy_behaves $SUT_CONTAINER
}
@test "[$TEST_FILE] separated containers (nginx + docker-gen + nginx.tmpl)" {
docker_clean bats-nginx
docker_clean bats-docker-gen
# GIVEN a simple nginx container
run docker run -d \
--label bats-type="nginx" \
--name bats-nginx \
-v /etc/nginx/conf.d/ \
-v /etc/nginx/certs/ \
nginx:latest
assert_success
run retry 5 1s docker run --label bats-type="curl" appropriate/curl --silent --fail --head http://$(docker_ip bats-nginx)/
assert_output -l 0 $'HTTP/1.1 200 OK\r'
# WHEN docker-gen runs on our docker host
run docker run -d \
--label bats-type="docker-gen" \
--name bats-docker-gen \
-v /var/run/docker.sock:/tmp/docker.sock:ro \
-v $BATS_TEST_DIRNAME/../nginx.tmpl:/etc/docker-gen/templates/nginx.tmpl:ro \
--volumes-from bats-nginx \
--expose 80 \
jwilder/docker-gen:0.7.3 \
-notify-sighup bats-nginx \
-watch \
-only-exposed \
/etc/docker-gen/templates/nginx.tmpl \
/etc/nginx/conf.d/default.conf
assert_success
docker_wait_for_log bats-docker-gen 9 "Watching docker events"
# Give some time to the docker-gen container to notify bats-nginx so it
# reloads its config
sleep 2s
run docker_running_state bats-nginx
assert_output "true" || {
docker logs bats-docker-gen
false
} >&2
# THEN
assert_nginxproxy_behaves bats-nginx
}
@test "[$TEST_FILE] stop all bats containers" {
stop_bats_containers
}
# $1 nginx-proxy container
function assert_nginxproxy_behaves {
local -r container=$1
# Querying the proxy without Host header → 503
run curl_container $container / --head
assert_output -l 0 $'HTTP/1.1 503 Service Temporarily Unavailable\r'
# Querying the proxy with Host header → 200
run curl_container $container /data --header "Host: web1.bats"
assert_output "answer from port 81"
run curl_container $container /data --header "Host: web2.bats"
assert_output "answer from port 82"
# Querying the proxy with unknown Host header → 503
run curl_container $container /data --header "Host: webFOO.bats" --head
assert_output -l 0 $'HTTP/1.1 503 Service Temporarily Unavailable\r'
}