mirror of https://github.com/docker/docs.git
111 lines
2.9 KiB
Bash
111 lines
2.9 KiB
Bash
#!/usr/bin/env bats
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load discovery_helpers
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# Address on which the store will listen (random port between 8000 and 9000).
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STORE_HOST=127.0.0.1:$(( ( RANDOM % 1000 ) + 8000 ))
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# Discovery parameter for Swarm
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DISCOVERY="consul://${STORE_HOST}/test"
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# Container name for integration test
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CONTAINER_NAME=swarm_consul
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function start_store() {
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docker_host run -v $(pwd)/discovery/consul/config:/config --name=$CONTAINER_NAME -h $CONTAINER_NAME -p $STORE_HOST:8500 -d progrium/consul -server -bootstrap-expect 1 -config-file=/config/consul.json
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}
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function stop_store() {
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docker_host rm -f -v $CONTAINER_NAME
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}
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function teardown() {
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swarm_manage_cleanup
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swarm_join_cleanup
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stop_docker
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stop_store
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}
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@test "consul discovery: recover engines" {
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# The goal of this test is to ensure swarm can see engines that joined
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# while the manager was stopped.
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# Start the store
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start_store
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# Start 2 engines and make them join the cluster.
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start_docker 2
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swarm_join "$DISCOVERY"
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retry 5 1 discovery_check_swarm_list "$DISCOVERY"
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# Then, start a manager and ensure it sees all the engines.
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swarm_manage "$DISCOVERY"
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retry 5 1 discovery_check_swarm_info
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}
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@test "consul discovery: watch for changes" {
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# The goal of this test is to ensure swarm can see new nodes as they join
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# the cluster.
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start_store
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# Start a manager with no engines.
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swarm_manage "$DISCOVERY"
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retry 10 1 discovery_check_swarm_info
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# Add engines to the cluster and make sure it's picked up by swarm.
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start_docker 2
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swarm_join "$DISCOVERY"
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retry 5 1 discovery_check_swarm_list "$DISCOVERY"
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retry 5 1 discovery_check_swarm_info
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}
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@test "consul discovery: node removal" {
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# The goal of this test is to ensure swarm can detect engines that
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# are removed from the discovery and refresh info accordingly
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# Start the store
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start_store
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# Start a manager with no engines.
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swarm_manage "$DISCOVERY"
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retry 10 1 discovery_check_swarm_info
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# Add Engines to the cluster and make sure it's picked by swarm
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start_docker 2
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swarm_join "$DISCOVERY"
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retry 5 1 discovery_check_swarm_list "$DISCOVERY"
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retry 5 1 discovery_check_swarm_info
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# Removes all the swarm agents
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swarm_join_cleanup
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# Check if previously registered engines are all gone
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retry 30 1 discovery_check_swarm_info 0
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# Check that we can add instances back to the cluster
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start_docker 2
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swarm_join "$DISCOVERY"
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retry 5 1 discovery_check_swarm_info 2
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}
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@test "consul discovery: failure" {
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# The goal of this test is to simulate a store failure and ensure discovery
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# is resilient to it.
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# At this point, the store is not yet started.
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# Start 2 engines and join the cluster. They should keep retrying
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start_docker 2
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swarm_join "$DISCOVERY"
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# Start a manager. It should keep retrying
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swarm_manage_no_wait "$DISCOVERY"
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# Now start the store
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start_store
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# After a while, `join` and `manage` should reach the store.
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retry 5 1 discovery_check_swarm_list "$DISCOVERY"
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retry 5 1 discovery_check_swarm_info
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}
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