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authorGiuseppe Scrivano <gscrivan@redhat.com>2020-04-28 12:20:10 +0200
committerGiuseppe Scrivano <gscrivan@redhat.com>2020-04-30 11:33:34 +0200
commitc11cff4542a3e8b1b14086601b219310ed0f7f1b (patch)
treee509c794fd6c8b1b553bf78d68927bc7ac515188 /cmd/podman
parent32564df172659dd844c0bd72671468f058f964de (diff)
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cmd, podman: do not override entrypoint if unset
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Diffstat (limited to 'cmd/podman')
-rw-r--r--cmd/podman/common/create.go4
-rw-r--r--cmd/podman/common/create_opts.go2
-rw-r--r--cmd/podman/common/specgen.go23
-rw-r--r--cmd/podman/containers/create.go4
4 files changed, 19 insertions, 14 deletions
diff --git a/cmd/podman/common/create.go b/cmd/podman/common/create.go
index e64b84519..0f9476754 100644
--- a/cmd/podman/common/create.go
+++ b/cmd/podman/common/create.go
@@ -153,9 +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(
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 f8c58f1a4..9c8b8fe9f 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
}
diff --git a/cmd/podman/containers/create.go b/cmd/podman/containers/create.go
index 9e2d47d21..f4fc6fabc 100644
--- a/cmd/podman/containers/create.go
+++ b/cmd/podman/containers/create.go
@@ -165,6 +165,10 @@ func createInit(c *cobra.Command) error {
if c.Flag("cgroupns").Changed {
cliVals.CGroupsNS = c.Flag("cgroupns").Value.String()
}
+ if c.Flag("entrypoint").Changed {
+ val := c.Flag("entrypoint").Value.String()
+ cliVals.Entrypoint = &val
+ }
// Docker-compatibility: the "-h" flag for run/create is reserved for
// the hostname (see https://github.com/containers/libpod/issues/1367).