docs/test/integration/constraints.bats

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#!/usr/bin/env bats
load helpers
function teardown() {
swarm_manage_cleanup
stop_docker
}
@test "node constraint" {
start_docker_with_busybox 2
swarm_manage
run docker_swarm run --name c1 -e constraint:node==node-0 -d busybox:latest sh
[ "$status" -eq 0 ]
run docker_swarm run --name c2 -e constraint:node==node-1 -d busybox:latest sh
[ "$status" -eq 0 ]
run docker_swarm run --name c3 -e constraint:node==node-1 -d busybox:latest sh
[ "$status" -eq 0 ]
run docker_swarm run --name c4 --label 'com.docker.swarm.constraints=["node==node-1"]' -d busybox:latest sh
[ "$status" -eq 0 ]
run docker_swarm inspect c1
# FIXME: This will help debugging the failing test.
echo $output
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-0"'* ]]
run docker_swarm inspect c2
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-1"'* ]]
run docker_swarm inspect c3
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-1"'* ]]
run docker_swarm inspect c4
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-1"'* ]]
}
@test "soft constraint" {
start_docker_with_busybox 2
swarm_manage
docker_swarm run --name c1 -e constraint:storagedriver==~not_exist -e constraint:node==node-0 -d busybox:latest sh
docker_swarm run --name c2 -e constraint:storagedriver==~not_exist -e constraint:node==node-0 -d busybox:latest sh
run docker_swarm inspect c1
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-0"'* ]]
run docker_swarm inspect c2
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-0"'* ]]
}
@test "label constraints" {
start_docker_with_busybox 1 --label foo=a
start_docker_with_busybox 1 --label foo=b
swarm_manage
run docker_swarm run --name c1 -e constraint:foo==a -d busybox:latest sh
[ "$status" -eq 0 ]
run docker_swarm run --name c2 -e constraint:foo==b -d busybox:latest sh
[ "$status" -eq 0 ]
run docker_swarm run --name c3 -e constraint:foo==b -d busybox:latest sh
[ "$status" -eq 0 ]
run docker_swarm run --name c4 --label 'com.docker.swarm.constraints=["foo==b"]' -d busybox:latest sh
[ "$status" -eq 0 ]
run docker_swarm inspect c1
# FIXME: This will help debugging the failing test.
echo $output
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-0"'* ]]
run docker_swarm inspect c2
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-1"'* ]]
run docker_swarm inspect c3
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-1"'* ]]
run docker_swarm inspect c4
[ "$status" -eq 0 ]
[[ "${output}" == *'"Name": "node-1"'* ]]
}