moby/integration-cli/docker_cli_swarm_unix_test.go
Aaron Lehmann 05fba4af5f Add integration test for volume plugins on swarm
Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
2016-12-16 10:44:26 -08:00

52 lines
1.7 KiB
Go

// +build !windows
package main
import (
"encoding/json"
"strings"
"github.com/docker/docker/api/types/swarm"
"github.com/docker/docker/pkg/integration/checker"
"github.com/go-check/check"
)
func (s *DockerSwarmSuite) TestSwarmVolumePlugin(c *check.C) {
d := s.AddDaemon(c, true, true)
out, err := d.Cmd("service", "create", "--mount", "type=volume,source=my-volume,destination=/foo,volume-driver=customvolumedriver", "--name", "top", "busybox", "top")
c.Assert(err, checker.IsNil, check.Commentf(out))
// Make sure task stays pending before plugin is available
waitAndAssert(c, defaultReconciliationTimeout, d.checkServiceTasksInState("top", swarm.TaskStatePending, "missing plugin on 1 node"), checker.Equals, 1)
plugin := newVolumePlugin(c, "customvolumedriver")
defer plugin.Close()
// create a dummy volume to trigger lazy loading of the plugin
out, err = d.Cmd("volume", "create", "-d", "customvolumedriver", "hello")
// TODO(aaronl): It will take about 15 seconds for swarm to realize the
// plugin was loaded. Switching the test over to plugin v2 would avoid
// this long delay.
// make sure task has been deployed.
waitAndAssert(c, defaultReconciliationTimeout, d.checkActiveContainerCount, checker.Equals, 1)
out, err = d.Cmd("ps", "-q")
c.Assert(err, checker.IsNil)
containerID := strings.TrimSpace(out)
out, err = d.Cmd("inspect", "-f", "{{json .Mounts}}", containerID)
c.Assert(err, checker.IsNil)
var mounts []struct {
Name string
Driver string
}
c.Assert(json.NewDecoder(strings.NewReader(out)).Decode(&mounts), checker.IsNil)
c.Assert(len(mounts), checker.Equals, 1, check.Commentf(out))
c.Assert(mounts[0].Name, checker.Equals, "my-volume")
c.Assert(mounts[0].Driver, checker.Equals, "customvolumedriver")
}