Merge pull request #6016 from giuseppe/fix-create

v2, podman: fix create and entrypoint tests

3 files changed, 21 insertions, 32 deletions

diff --git a/cmd/podman/common/create.go b/cmd/podman/common/create.go
index a0aed984c..0f9476754 100644
--- a/cmd/podman/common/create.go
+++ b/cmd/podman/common/create.go
@@ -49,9 +49,7 @@ func GetCreateFlags(cf *ContainerCLIOpts) *pflag.FlagSet {
 		"cap-drop", []string{},
 		"Drop capabilities from the container",
 	)
-	cgroupNS := ""
-	createFlags.StringVar(
-		&cgroupNS,
+	createFlags.String(
 		"cgroupns", containerConfig.CgroupNS(),
 		"cgroup namespace to use",
 	)
@@ -155,9 +153,7 @@ func GetCreateFlags(cf *ContainerCLIOpts) *pflag.FlagSet {
 		"device-write-iops", []string{},
 		"Limit write rate (IO per second) to a device (e.g. --device-write-iops=/dev/sda:1000)",
 	)
-	createFlags.StringVar(
-		&cf.Entrypoint,
-		"entrypoint", "",
+	createFlags.String("entrypoint", "",
 		"Overwrite the default ENTRYPOINT of the image",
 	)
 	createFlags.StringArrayVarP(
@@ -248,9 +244,7 @@ func GetCreateFlags(cf *ContainerCLIOpts) *pflag.FlagSet {
 		"interactive", "i", false,
 		"Keep STDIN open even if not attached",
 	)
-	ipcNS := ""
-	createFlags.StringVar(
-		&ipcNS,
+	createFlags.String(
 		"ipc", containerConfig.IPCNS(),
 		"IPC namespace to use",
 	)
@@ -331,9 +325,7 @@ func GetCreateFlags(cf *ContainerCLIOpts) *pflag.FlagSet {
 		"use `OS` instead of the running OS for choosing images",
 	)
 	// markFlagHidden(createFlags, "override-os")
-	pid := ""
-	createFlags.StringVar(
-		&pid,
+	createFlags.String(
 		"pid", containerConfig.PidNS(),
 		"PID namespace to use",
 	)
@@ -397,9 +389,7 @@ func GetCreateFlags(cf *ContainerCLIOpts) *pflag.FlagSet {
 		"security-opt", containerConfig.SecurityOptions(),
 		"Security Options",
 	)
-	shmSize := ""
-	createFlags.StringVar(
-		&shmSize,
+	createFlags.String(
 		"shm-size", containerConfig.ShmSize(),
 		"Size of /dev/shm "+sizeWithUnitFormat,
 	)
@@ -464,15 +454,11 @@ func GetCreateFlags(cf *ContainerCLIOpts) *pflag.FlagSet {
 		"user", "u", "",
 		"Username or UID (format: <name|uid>[:<group|gid>])",
 	)
-	userNS := ""
-	createFlags.StringVar(
-		&userNS,
+	createFlags.String(
 		"userns", containerConfig.Containers.UserNS,
 		"User namespace to use",
 	)
-	utsNS := ""
-	createFlags.StringVar(
-		&utsNS,
+	createFlags.String(
 		"uts", containerConfig.Containers.UTSNS,
 		"UTS namespace to use",
 	)
diff --git a/cmd/podman/common/create_opts.go b/cmd/podman/common/create_opts.go
index 2f08bb6a6..c275b1674 100644
--- a/cmd/podman/common/create_opts.go
+++ b/cmd/podman/common/create_opts.go
@@ -31,7 +31,7 @@ type ContainerCLIOpts struct {
 	DeviceReadIOPs    []string
 	DeviceWriteBPs    []string
 	DeviceWriteIOPs   []string
-	Entrypoint        string
+	Entrypoint        *string
 	env               []string
 	EnvHost           bool
 	EnvFile           []string
diff --git a/cmd/podman/common/specgen.go b/cmd/podman/common/specgen.go
index 96cd630a3..7250f88bb 100644
--- a/cmd/podman/common/specgen.go
+++ b/cmd/podman/common/specgen.go
@@ -364,20 +364,20 @@ func FillOutSpecGen(s *specgen.SpecGenerator, c *ContainerCLIOpts, args []string
 	s.WorkDir = workDir
 	entrypoint := []string{}
 	userCommand := []string{}
-	if ep := c.Entrypoint; len(ep) > 0 {
-		// Check if entrypoint specified is json
-		if err := json.Unmarshal([]byte(c.Entrypoint), &entrypoint); err != nil {
-			entrypoint = append(entrypoint, ep)
+	if c.Entrypoint != nil {
+		if ep := *c.Entrypoint; len(ep) > 0 {
+			// Check if entrypoint specified is json
+			if err := json.Unmarshal([]byte(*c.Entrypoint), &entrypoint); err != nil {
+				entrypoint = append(entrypoint, ep)
+			}
 		}
+		s.Entrypoint = entrypoint
 	}
-
 	var command []string
 
-	s.Entrypoint = entrypoint
-
 	// Build the command
 	// If we have an entry point, it goes first
-	if len(entrypoint) > 0 {
+	if c.Entrypoint != nil {
 		command = entrypoint
 	}
 	if len(inputCommand) > 0 {
@@ -386,9 +386,12 @@ func FillOutSpecGen(s *specgen.SpecGenerator, c *ContainerCLIOpts, args []string
 		userCommand = append(userCommand, inputCommand...)
 	}
 
-	if len(inputCommand) > 0 {
+	switch {
+	case len(inputCommand) > 0:
 		s.Command = userCommand
-	} else {
+	case c.Entrypoint != nil:
+		s.Command = []string{}
+	default:
 		s.Command = command
 	}