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Merge pull request #1801 from dongluochen/rescheduleTest 

Fix race condition in rescheduling test
This commit is contained in:
Nishant Totla 2016-02-11 13:33:50 -08:00
parent 7952727bb7 513490feb5
commit d9914ffa59
1 changed files with 27 additions and 68 deletions
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95
test/integration/rescheduling.bats
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@ -7,6 +7,15 @@ function teardown() {
stop_docker
}
function containerRunning() {
local container="$1"
local node="$2"
run docker_swarm inspect "$container"
[ "$status" -eq 0 ]
[[ "${output}" == *"\"Name\": \"$node\""* ]]
[[ "${output}" == *"\"Status\": \"running\""* ]]
}
@test "rescheduling" {
start_docker_with_busybox 2
swarm_manage --engine-refresh-min-interval=1s --engine-refresh-max-interval=1s --engine-failure-retry=1 ${HOSTS[0]},${HOSTS[1]}
@ -25,16 +34,9 @@ function teardown() {
[ "${#lines[@]}" -eq 3 ]
# Make sure containers are running where they should.
run docker_swarm inspect c1
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-0"'* ]]
[[ "${output}" == *'"Status": "running"'* ]]
run docker_swarm inspect c2
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-0"'* ]]
run docker_swarm inspect c3
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-1"'* ]]
containerRunning "c1" "node-0"
containerRunning "c2" "node-0"
containerRunning "c3" "node-1"
# Get c1 swarm id
swarm_id=$(docker_swarm inspect -f '{{ index .Config.Labels "com.docker.swarm.id" }}' c1)
@ -46,13 +48,8 @@ function teardown() {
retry 5 1 eval "docker_swarm info | grep -q 'Unhealthy'"
# Wait for the container to be rescheduled
retry 5 1 eval docker_swarm inspect c1
# c1 should have been rescheduled from node-0 to node-1
run docker_swarm inspect c1
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-1"'* ]]
[[ "${output}" == *'"Status": "running"'* ]]
retry 5 1 containerRunning "c1" "node-1"
# Check swarm id didn't change for c1
[[ "$swarm_id" == $(docker_swarm inspect -f '{{ index .Config.Labels "com.docker.swarm.id" }}' c1) ]]
@ -66,9 +63,7 @@ function teardown() {
[ "$status" -eq 1 ]
# c3 should still be on node-1 since it wasn't affected
run docker_swarm inspect c3
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-1"'* ]]
containerRunning "c3" "node-1"
run docker_swarm ps -q
[ "${#lines[@]}" -eq 2 ]
@ -92,16 +87,9 @@ function teardown() {
[ "${#lines[@]}" -eq 3 ]
# Make sure containers are running where they should.
run docker_swarm inspect c1
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-0"'* ]]
[[ "${output}" == *'"Status": "running"'* ]]
run docker_swarm inspect c2
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-0"'* ]]
run docker_swarm inspect c3
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-1"'* ]]
containerRunning "c1" "node-0"
containerRunning "c2" "node-0"
containerRunning "c3" "node-1"
# Stop node-0
docker_host stop ${DOCKER_CONTAINERS[0]}
@ -110,22 +98,15 @@ function teardown() {
retry 5 1 eval "docker_swarm info | grep -q 'Unhealthy'"
# Wait for the container to be rescheduled
retry 5 1 eval docker_swarm inspect c1
# c1 should have been rescheduled from node-0 to node-1
run docker_swarm inspect c1
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-1"'* ]]
[[ "${output}" == *'"Status": "running"'* ]]
retry 5 1 containerRunning "c1" "node-1"
# c2 should still be on node-0 since a node constraint was applied.
run docker_swarm inspect c2
[ "$status" -eq 1 ]
# c3 should still be on node-1 since it wasn't affected
run docker_swarm inspect c3
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-1"'* ]]
containerRunning "c3" "node-1"
}
@test "reschedule conflict" {
@ -156,14 +137,8 @@ function teardown() {
[ "${#lines[@]}" -eq 2 ]
# Make sure containers are running where they should.
run docker_swarm inspect c1
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-0"'* ]]
[[ "${output}" == *'"Status": "running"'* ]]
run docker_swarm inspect c2
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-1"'* ]]
[[ "${output}" == *'"Status": "running"'* ]]
containerRunning "c1" "node-0"
containerRunning "c2" "node-1"
# Stop node-0
docker_host stop ${DOCKER_CONTAINERS[0]}
@ -172,23 +147,15 @@ function teardown() {
retry 5 1 eval "docker_swarm info | grep -q 'Unhealthy'"
# Wait for the container to be rescheduled
retry 5 1 eval docker_swarm inspect c1
# c1 should have been rescheduled from node-0 to node-1
run docker_swarm inspect c1
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-1"'* ]]
[[ "${output}" == *'"Status": "running"'* ]]
retry 5 1 containerRunning "c1" "node-1"
# c2 should still be on node-1 since it wasn't affected
run docker_swarm inspect c2
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-1"'* ]]
[[ "${output}" == *'"Status": "running"'* ]]
containerRunning "c2" "node-1"
# Restart node-0
docker_host start ${DOCKER_CONTAINERS[0]}
retry 5 1 eval "test \"$(docker_swarm info | grep -c \"Status: Unhealthy\" | wc -l)\" = '0'"
# Wait for node-0 to be healthy
retry 5 1 eval "test \"$(docker_swarm info | grep \"Status: Unhealthy\" | wc -l)\" = '0'"
# Stop node-1
docker_host stop ${DOCKER_CONTAINERS[1]}
@ -197,17 +164,9 @@ function teardown() {
retry 5 1 eval "docker_swarm info | grep -q 'Unhealthy'"
# Wait for the container to be rescheduled
retry 5 1 eval docker_swarm inspect c1
# c1 should have been rescheduled from node-1 to node-0
run docker_swarm inspect c1
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-0"'* ]]
[[ "${output}" == *'"Status": "running"'* ]]
retry 5 1 containerRunning "c1" "node-0"
# c2 should have been rescheduled from node-1 to node-0
run docker_swarm inspect c2
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-0"'* ]]
[[ "${output}" == *'"Status": "running"'* ]]
retry 5 1 containerRunning "c2" "node-0"
}