Merge pull request #8053 from rhatdan/detachkeys

podman create doesn't support creating detached containers

cmd/podman/common/create.go

@@ -115,16 +115,6 @@ func GetCreateFlags(cf *ContainerCLIOpts) *pflag.FlagSet {
 		"cpuset-mems", "",
 		"Memory nodes (MEMs) in which to allow execution (0-3, 0,1). Only effective on NUMA systems.",
 	)
-	createFlags.BoolVarP(
-		&cf.Detach,
-		"detach", "d", false,
-		"Run container in background and print container ID",
-	)
-	createFlags.StringVar(
-		&cf.DetachKeys,
-		"detach-keys", containerConfig.DetachKeys(),
-		"Override the key sequence for detaching a container. Format is a single character `[a-Z]` or a comma separated sequence of `ctrl-<value>`, where `<value>` is one of: `a-cf`, `@`, `^`, `[`, `\\`, `]`, `^` or `_`",
-	)
 	createFlags.StringSliceVar(
 		&cf.Devices,
 		"device", containerConfig.Devices(),

cmd/podman/common/create_opts.go

@@ -32,8 +32,6 @@ type ContainerCLIOpts struct {
 	CPUS              float64
 	CPUSetCPUs        string
 	CPUSetMems        string
-	Detach            bool
-	DetachKeys        string
 	Devices           []string
 	DeviceCGroupRule  []string
 	DeviceReadBPs     []string

cmd/podman/containers/run.go

@@ -63,6 +63,8 @@ func runFlags(flags *pflag.FlagSet) {
 	flags.BoolVar(&runOpts.SigProxy, "sig-proxy", true, "Proxy received signals to the process")
 	flags.BoolVar(&runRmi, "rmi", false, "Remove container image unless used by other containers")
 	flags.UintVar(&runOpts.PreserveFDs, "preserve-fds", 0, "Pass a number of additional file descriptors into the container")
+	flags.BoolVarP(&runOpts.Detach, "detach", "d", false, "Run container in background and print container ID")
+	flags.StringVar(&runOpts.DetachKeys, "detach-keys", containerConfig.DetachKeys(), "Override the key sequence for detaching a container. Format is a single character `[a-Z]` or a comma separated sequence of `ctrl-<value>`, where `<value>` is one of: `a-cf`, `@`, `^`, `[`, `\\`, `]`, `^` or `_`")
 
 	_ = flags.MarkHidden("signature-policy")
 	if registry.IsRemote() {
@@ -171,8 +173,6 @@ func run(cmd *cobra.Command, args []string) error {
 			}
 		}
 	}
-	runOpts.Detach = cliVals.Detach
-	runOpts.DetachKeys = cliVals.DetachKeys
 	cliVals.PreserveFDs = runOpts.PreserveFDs
 	s := specgen.NewSpecGenerator(imageName, cliVals.RootFS)
 	if err := common.FillOutSpecGen(s, &cliVals, args); err != nil {
@@ -200,7 +200,7 @@ func run(cmd *cobra.Command, args []string) error {
 		}
 	}
 
-	if cliVals.Detach {
+	if runOpts.Detach {
 		fmt.Println(report.Id)
 		return nil
 	}

docs/source/markdown/podman-create.1.md

@@ -183,23 +183,6 @@ If you have four memory nodes on your system (0-3), use `--cpuset-mems=0,1`
 then processes in your container will only use memory from the first
 two memory nodes.
 
-**--detach**, **-d**=*true|false*
-
-Detached mode: run the container in the background and print the new container ID. The default is *false*.
-
-At any time you can run **podman ps** in
-the other shell to view a list of the running containers. You can reattach to a
-detached container with **podman attach**.
-
-When attached in the tty mode, you can detach from the container (and leave it
-running) using a configurable key sequence. The default sequence is `ctrl-p,ctrl-q`.
-Configure the keys sequence using the **--detach-keys** option, or specifying
-it in the **containers.conf** file: see **containers.conf(5)** for more information.
-
-**--detach-keys**=*sequence*
-
-Specify the key sequence for detaching a container. Format is a single character `[a-Z]` or one or more `ctrl-<value>` characters where `<value>` is one of: `a-z`, `@`, `^`, `[`, `,` or `_`. Specifying "" will disable this feature. The default is *ctrl-p,ctrl-q*.
-
 **--device**=_host-device_[**:**_container-device_][**:**_permissions_]
 
 Add a host device to the container. Optional *permissions* parameter

docs/source/markdown/podman-run.1.md

@@ -197,20 +197,20 @@ to only use memory from the first two memory nodes.
 
 **--detach**, **-d**=**true**|**false**
 
-Detached mode: run the container in the background and print the new container ID. The default is **false**.
+Detached mode: run the container in the background and print the new container ID. The default is *false*.
 
 At any time you can run **podman ps** in
 the other shell to view a list of the running containers. You can reattach to a
 detached container with **podman attach**.
 
 When attached in the tty mode, you can detach from the container (and leave it
-running) using a configurable key sequence.
+running) using a configurable key sequence. The default sequence is `ctrl-p,ctrl-q`.
+Configure the keys sequence using the **--detach-keys** option, or specifying
+it in the **containers.conf** file: see **containers.conf(5)** for more information.
 
-**--detach-keys**=_sequence_
+**--detach-keys**=*sequence*
 
-Specify the key sequence for detaching a container; _sequence_ is a comma-delimited set
-in which each item can be a single character from the [a-Z] range,
-or **ctrl**-_value_, where _value_ is one of: **a-z** or **@^[,_**.
+Specify the key sequence for detaching a container. Format is a single character `[a-Z]` or one or more `ctrl-<value>` characters where `<value>` is one of: `a-z`, `@`, `^`, `[`, `,` or `_`. Specifying "" will disable this feature. The default is *ctrl-p,ctrl-q*.
 
 This option can also be set in **containers.conf**(5) file.
 

test/e2e/attach_test.go

@@ -40,7 +40,7 @@ var _ = Describe("Podman attach", func() {
 	})
 
 	It("podman attach to non-running container", func() {
-		session := podmanTest.Podman([]string{"create", "--name", "test1", "-d", "-i", ALPINE, "ls"})
+		session := podmanTest.Podman([]string{"create", "--name", "test1", "-i", ALPINE, "ls"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
 
@@ -50,7 +50,7 @@ var _ = Describe("Podman attach", func() {
 	})
 
 	It("podman container attach to non-running container", func() {
-		session := podmanTest.Podman([]string{"container", "create", "--name", "test1", "-d", "-i", ALPINE, "ls"})
+		session := podmanTest.Podman([]string{"container", "create", "--name", "test1", "-i", ALPINE, "ls"})
 
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))

test/e2e/create_test.go

@@ -626,4 +626,22 @@ var _ = Describe("Podman create", func() {
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(BeZero())
 	})
+
+	It("podman create -d should fail, can not detach create containers", func() {
+		session := podmanTest.Podman([]string{"create", "-d", ALPINE})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(125))
+		Expect(session.ErrorToString()).To(ContainSubstring("unknown shorthand flag"))
+
+		session = podmanTest.Podman([]string{"create", "--detach", ALPINE})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(125))
+		Expect(session.ErrorToString()).To(ContainSubstring("unknown flag"))
+
+		session = podmanTest.Podman([]string{"create", "--detach-keys", "ctrl-x", ALPINE})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(125))
+		Expect(session.ErrorToString()).To(ContainSubstring("unknown flag"))
+	})
+
 })

test/e2e/generate_systemd_test.go

@@ -244,7 +244,7 @@ var _ = Describe("Podman generate systemd", func() {
 	})
 
 	It("podman generate systemd --new with explicit detaching param in middle", func() {
-		n := podmanTest.Podman([]string{"create", "--name", "foo", "-d", "alpine", "top"})
+		n := podmanTest.Podman([]string{"create", "--name", "foo", "alpine", "top"})
 		n.WaitWithDefaultTimeout()
 		Expect(n.ExitCode()).To(Equal(0))
 
@@ -253,7 +253,7 @@ var _ = Describe("Podman generate systemd", func() {
 		Expect(session.ExitCode()).To(Equal(0))
 
 		// Grepping the output (in addition to unit tests)
-		found, _ := session.GrepString("--name foo -d alpine top")
+		found, _ := session.GrepString("--name foo alpine top")
 		Expect(found).To(BeTrue())
 	})
 

test/e2e/init_test.go

@@ -45,7 +45,7 @@ var _ = Describe("Podman init", func() {
 	})
 
 	It("podman init single container by ID", func() {
-		session := podmanTest.Podman([]string{"create", "-d", ALPINE, "ls"})
+		session := podmanTest.Podman([]string{"create", ALPINE, "ls"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
 		cid := session.OutputToString()
@@ -61,7 +61,7 @@ var _ = Describe("Podman init", func() {
 
 	It("podman init single container by name", func() {
 		name := "test1"
-		session := podmanTest.Podman([]string{"create", "--name", name, "-d", ALPINE, "ls"})
+		session := podmanTest.Podman([]string{"create", "--name", name, ALPINE, "ls"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
 		init := podmanTest.Podman([]string{"init", name})
@@ -76,7 +76,7 @@ var _ = Describe("Podman init", func() {
 
 	It("podman init latest container", func() {
 		SkipIfRemote("--latest flag n/a")
-		session := podmanTest.Podman([]string{"create", "-d", ALPINE, "ls"})
+		session := podmanTest.Podman([]string{"create", ALPINE, "ls"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
 		init := podmanTest.Podman([]string{"init", "--latest"})
@@ -90,10 +90,10 @@ var _ = Describe("Podman init", func() {
 	})
 
 	It("podman init all three containers, one running", func() {
-		session := podmanTest.Podman([]string{"create", "--name", "test1", "-d", ALPINE, "ls"})
+		session := podmanTest.Podman([]string{"create", "--name", "test1", ALPINE, "ls"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
-		session2 := podmanTest.Podman([]string{"create", "--name", "test2", "-d", ALPINE, "ls"})
+		session2 := podmanTest.Podman([]string{"create", "--name", "test2", ALPINE, "ls"})
 		session2.WaitWithDefaultTimeout()
 		Expect(session2.ExitCode()).To(Equal(0))
 		session3 := podmanTest.Podman([]string{"run", "--name", "test3", "-d", ALPINE, "top"})

test/e2e/logs_test.go

@@ -148,7 +148,7 @@ var _ = Describe("Podman logs", func() {
 	})
 
 	It("podman logs on a created container should result in 0 exit code", func() {
-		session := podmanTest.Podman([]string{"create", "-dt", "--name", "log", ALPINE})
+		session := podmanTest.Podman([]string{"create", "-t", "--name", "log", ALPINE})
 		session.WaitWithDefaultTimeout()
 		Expect(session).To(Exit(0))
 

test/e2e/pod_rm_test.go

@@ -167,7 +167,7 @@ var _ = Describe("Podman pod rm", func() {
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
 
-		session = podmanTest.Podman([]string{"create", "-d", "--pod", podid1, ALPINE, "ls"})
+		session = podmanTest.Podman([]string{"create", "--pod", podid1, ALPINE, "ls"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
 

test/e2e/ps_test.go

@@ -324,7 +324,7 @@ var _ = Describe("Podman ps", func() {
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
 
-		session = podmanTest.Podman([]string{"create", "-dt", ALPINE, "top"})
+		session = podmanTest.Podman([]string{"create", "-t", ALPINE, "top"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
 

test/e2e/restart_test.go

@@ -54,7 +54,7 @@ var _ = Describe("Podman restart", func() {
 	})
 
 	It("Podman restart stopped container by ID", func() {
-		session := podmanTest.Podman([]string{"create", "-d", ALPINE, "ls"})
+		session := podmanTest.Podman([]string{"create", ALPINE, "ls"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
 		cid := session.OutputToString()

test/e2e/run_networking_test.go

@@ -357,7 +357,7 @@ var _ = Describe("Podman run networking", func() {
 	})
 
 	It("podman run network expose ports in image metadata", func() {
-		session := podmanTest.Podman([]string{"create", "--name", "test", "-dt", "-P", nginx})
+		session := podmanTest.Podman([]string{"create", "--name", "test", "-t", "-P", nginx})
 		session.Wait(90)
 		Expect(session.ExitCode()).To(Equal(0))
 		results := podmanTest.Podman([]string{"inspect", "test"})

test/e2e/run_volume_test.go

@@ -489,7 +489,7 @@ VOLUME /test/`
 		Expect(err).To(Not(BeNil()))
 
 		// Make sure modifications in container disappear when container is stopped
-		session = podmanTest.Podman([]string{"create", "-d", "-v", fmt.Sprintf("%s:/run/test:O", mountPath), ALPINE, "top"})
+		session = podmanTest.Podman([]string{"create", "-v", fmt.Sprintf("%s:/run/test:O", mountPath), ALPINE, "top"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
 		session = podmanTest.Podman([]string{"start", "-l"})

test/e2e/start_test.go

@@ -40,7 +40,7 @@ var _ = Describe("Podman start", func() {
 	})
 
 	It("podman start single container by id", func() {
-		session := podmanTest.Podman([]string{"create", "-d", ALPINE, "ls"})
+		session := podmanTest.Podman([]string{"create", ALPINE, "ls"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
 		cid := session.OutputToString()
@@ -50,7 +50,7 @@ var _ = Describe("Podman start", func() {
 	})
 
 	It("podman container start single container by id", func() {
-		session := podmanTest.Podman([]string{"container", "create", "-d", ALPINE, "ls"})
+		session := podmanTest.Podman([]string{"container", "create", ALPINE, "ls"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
 		cid := session.OutputToString()
@@ -61,7 +61,7 @@ var _ = Describe("Podman start", func() {
 	})
 
 	It("podman container start single container by short id", func() {
-		session := podmanTest.Podman([]string{"container", "create", "-d", ALPINE, "ls"})
+		session := podmanTest.Podman([]string{"container", "create", ALPINE, "ls"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
 		cid := session.OutputToString()
@@ -74,7 +74,7 @@ var _ = Describe("Podman start", func() {
 
 	It("podman start single container by name", func() {
 		name := "foobar99"
-		session := podmanTest.Podman([]string{"create", "-d", "--name", name, ALPINE, "ls"})
+		session := podmanTest.Podman([]string{"create", "--name", name, ALPINE, "ls"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
 		session = podmanTest.Podman([]string{"start", name})
@@ -98,10 +98,10 @@ var _ = Describe("Podman start", func() {
 	})
 
 	It("podman start multiple containers", func() {
-		session := podmanTest.Podman([]string{"create", "-d", "--name", "foobar99", ALPINE, "ls"})
+		session := podmanTest.Podman([]string{"create", "--name", "foobar99", ALPINE, "ls"})
 		session.WaitWithDefaultTimeout()
 		cid1 := session.OutputToString()
-		session2 := podmanTest.Podman([]string{"create", "-d", "--name", "foobar100", ALPINE, "ls"})
+		session2 := podmanTest.Podman([]string{"create", "--name", "foobar100", ALPINE, "ls"})
 		session2.WaitWithDefaultTimeout()
 		cid2 := session2.OutputToString()
 		session = podmanTest.Podman([]string{"start", cid1, cid2})
@@ -110,7 +110,7 @@ var _ = Describe("Podman start", func() {
 	})
 
 	It("podman start multiple containers with bogus", func() {
-		session := podmanTest.Podman([]string{"create", "-d", "--name", "foobar99", ALPINE, "ls"})
+		session := podmanTest.Podman([]string{"create", "--name", "foobar99", ALPINE, "ls"})
 		session.WaitWithDefaultTimeout()
 		cid1 := session.OutputToString()
 		session = podmanTest.Podman([]string{"start", cid1, "doesnotexist"})

test/e2e/stop_test.go

@@ -242,7 +242,7 @@ var _ = Describe("Podman stop", func() {
 
 		defer os.RemoveAll(tmpDir)
 
-		session := podmanTest.Podman([]string{"create", "--cidfile", tmpFile, "-d", ALPINE, "top"})
+		session := podmanTest.Podman([]string{"create", "--cidfile", tmpFile, ALPINE, "top"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
 		cid := session.OutputToStringArray()[0]

test/e2e/systemd_test.go

@@ -59,7 +59,7 @@ WantedBy=multi-user.target
 			Expect(stop.ExitCode()).To(Equal(0))
 		}()
 
-		create := podmanTest.Podman([]string{"create", "-d", "--name", "redis", "redis"})
+		create := podmanTest.Podman([]string{"create", "--name", "redis", "redis"})
 		create.WaitWithDefaultTimeout()
 		Expect(create.ExitCode()).To(Equal(0))
 

test/system/250-systemd.bats

@@ -42,7 +42,7 @@ function teardown() {
 
     cname=$(random_string)
     # See #7407 for --pull=always.
-    run_podman create --pull=always --name $cname --label "io.containers.autoupdate=image" --detach $IMAGE top
+    run_podman create --pull=always --name $cname --label "io.containers.autoupdate=image" $IMAGE top
 
     run_podman generate systemd --new $cname
     echo "$output" > "$UNIT_FILE"