Add volume API/CLI

Signed-off-by: Brian Goff <cpuguy83@gmail.com>

integration-cli/docker_cli_volume_test.go

@@ -0,0 +1,90 @@
+package main
+
+import (
+	"os/exec"
+	"strings"
+
+	"github.com/go-check/check"
+)
+
+func (s *DockerSuite) TestVolumeCliCreate(c *check.C) {
+	dockerCmd(c, "volume", "create")
+
+	_, err := runCommand(exec.Command(dockerBinary, "volume", "create", "-d", "nosuchdriver"))
+	c.Assert(err, check.Not(check.IsNil))
+
+	out, _ := dockerCmd(c, "volume", "create", "--name=test")
+	name := strings.TrimSpace(out)
+	c.Assert(name, check.Equals, "test")
+}
+
+func (s *DockerSuite) TestVolumeCliInspect(c *check.C) {
+	c.Assert(
+		exec.Command(dockerBinary, "volume", "inspect", "doesntexist").Run(),
+		check.Not(check.IsNil),
+		check.Commentf("volume inspect should error on non-existant volume"),
+	)
+
+	out, _ := dockerCmd(c, "volume", "create")
+	name := strings.TrimSpace(out)
+	out, _ = dockerCmd(c, "volume", "inspect", "--format='{{ .Name }}'", name)
+	c.Assert(strings.TrimSpace(out), check.Equals, name)
+
+	dockerCmd(c, "volume", "create", "--name", "test")
+	out, _ = dockerCmd(c, "volume", "inspect", "--format='{{ .Name }}'", "test")
+	c.Assert(strings.TrimSpace(out), check.Equals, "test")
+}
+
+func (s *DockerSuite) TestVolumeCliLs(c *check.C) {
+	out, _ := dockerCmd(c, "volume", "create")
+	id := strings.TrimSpace(out)
+
+	dockerCmd(c, "volume", "create", "--name", "test")
+	dockerCmd(c, "run", "-v", "/foo", "busybox", "ls", "/")
+
+	out, _ = dockerCmd(c, "volume", "ls")
+	outArr := strings.Split(strings.TrimSpace(out), "\n")
+	c.Assert(len(outArr), check.Equals, 4, check.Commentf("\n%s", out))
+
+	// Since there is no guarentee of ordering of volumes, we just make sure the names are in the output
+	c.Assert(strings.Contains(out, id+"\n"), check.Equals, true)
+	c.Assert(strings.Contains(out, "test\n"), check.Equals, true)
+}
+
+func (s *DockerSuite) TestVolumeCliRm(c *check.C) {
+	out, _ := dockerCmd(c, "volume", "create")
+	id := strings.TrimSpace(out)
+
+	dockerCmd(c, "volume", "create", "--name", "test")
+	dockerCmd(c, "volume", "rm", id)
+	dockerCmd(c, "volume", "rm", "test")
+
+	out, _ = dockerCmd(c, "volume", "ls")
+	outArr := strings.Split(strings.TrimSpace(out), "\n")
+	c.Assert(len(outArr), check.Equals, 1, check.Commentf("%s\n", out))
+
+	volumeID := "testing"
+	dockerCmd(c, "run", "-v", volumeID+":/foo", "--name=test", "busybox", "sh", "-c", "echo hello > /foo/bar")
+	out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "volume", "rm", "testing"))
+	c.Assert(
+		err,
+		check.Not(check.IsNil),
+		check.Commentf("Should not be able to remove volume that is in use by a container\n%s", out))
+
+	out, _ = dockerCmd(c, "run", "--volumes-from=test", "--name=test2", "busybox", "sh", "-c", "cat /foo/bar")
+	c.Assert(strings.TrimSpace(out), check.Equals, "hello")
+	dockerCmd(c, "rm", "-fv", "test2")
+	dockerCmd(c, "volume", "inspect", volumeID)
+	dockerCmd(c, "rm", "-f", "test")
+
+	out, _ = dockerCmd(c, "run", "--name=test2", "-v", volumeID+":/foo", "busybox", "sh", "-c", "cat /foo/bar")
+	c.Assert(strings.TrimSpace(out), check.Equals, "hello", check.Commentf("volume data was removed"))
+	dockerCmd(c, "rm", "test2")
+
+	dockerCmd(c, "volume", "rm", volumeID)
+	c.Assert(
+		exec.Command("volume", "rm", "doesntexist").Run(),
+		check.Not(check.IsNil),
+		check.Commentf("volume rm should fail with non-existant volume"),
+	)
+}