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-rw-r--r--cmd/podman/registry/remote.go5
-rw-r--r--docs/source/markdown/podman-create.1.md14
-rw-r--r--docs/source/markdown/podman-run.1.md9
-rw-r--r--pkg/specgen/container_validate.go3
-rw-r--r--test/e2e/trust_test.go9
5 files changed, 24 insertions, 16 deletions
diff --git a/cmd/podman/registry/remote.go b/cmd/podman/registry/remote.go
index 9b7523ac0..78b820269 100644
--- a/cmd/podman/registry/remote.go
+++ b/cmd/podman/registry/remote.go
@@ -15,13 +15,14 @@ var remoteFromCLI = struct {
}{}
// IsRemote returns true if podman was built to run remote or --remote flag given on CLI
-// Use in init() functions as a initialization check
+// Use in init() functions as an initialization check
func IsRemote() bool {
remoteFromCLI.sync.Do(func() {
fs := pflag.NewFlagSet("remote", pflag.ContinueOnError)
- fs.BoolVarP(&remoteFromCLI.Value, "remote", "r", false, "")
fs.ParseErrorsWhitelist.UnknownFlags = true
+ fs.Usage = func() {}
fs.SetInterspersed(false)
+ fs.BoolVarP(&remoteFromCLI.Value, "remote", "r", false, "")
_ = fs.Parse(os.Args[1:])
})
return podmanOptions.EngineMode == entities.TunnelMode || remoteFromCLI.Value
diff --git a/docs/source/markdown/podman-create.1.md b/docs/source/markdown/podman-create.1.md
index 05aea53b6..976a1e681 100644
--- a/docs/source/markdown/podman-create.1.md
+++ b/docs/source/markdown/podman-create.1.md
@@ -339,7 +339,7 @@ value can be expressed in a time format such as `1m22s`. The default value is `
Container host name
-Sets the container host name that is available inside the container.
+Sets the container host name that is available inside the container. Can only be used with a private UTS namespace `--uts=private` (default). If `--pod` is specified and the pod shares the UTS namespace (default) the pods hostname will be used.
**--help**
@@ -898,12 +898,14 @@ Set the user namespace mode for the container. It defaults to the **PODMAN_USER
This option is incompatible with --gidmap, --uidmap, --subuid and --subgid
-**--uts**=*host*
+**--uts**=*mode*
-Set the UTS mode for the container
- **host**: use the host's UTS namespace inside the container.
- **ns**: specify the user namespace to use.
- Note: the host mode gives the container access to changing the host's hostname and is therefore considered insecure.
+Set the UTS namespace mode for the container. The following values are supported:
+
+- **host**: use the host's UTS namespace inside the container.
+- **private**: create a new namespace for the container (default).
+- **ns:[path]**: run the container in the given existing UTS namespace.
+- **container:[container]**: join the UTS namespace of the specified container.
**--volume**, **-v**[=*[[SOURCE-VOLUME|HOST-DIR:]CONTAINER-DIR[:OPTIONS]]*]
diff --git a/docs/source/markdown/podman-run.1.md b/docs/source/markdown/podman-run.1.md
index ef78e15e3..b6c1fab17 100644
--- a/docs/source/markdown/podman-run.1.md
+++ b/docs/source/markdown/podman-run.1.md
@@ -358,7 +358,7 @@ Print usage statement
Container host name
-Sets the container host name that is available inside the container.
+Sets the container host name that is available inside the container. Can only be used with a private UTS namespace `--uts=private` (default). If `--pod` is specified and the pod shares the UTS namespace (default) the pods hostname will be used.
**--http-proxy**=**true**|**false**
@@ -938,10 +938,9 @@ This option is incompatible with **--gidmap**, **--uidmap**, **--subuid** and **
Set the UTS namespace mode for the container. The following values are supported:
- **host**: use the host's UTS namespace inside the container.
-- **private**: create a new namespace for the container (default)
-- **ns**: use own UTS namespace.
-
-**NOTE**: the host mode gives the container access to changing the host's hostname and is therefore considered insecure.
+- **private**: create a new namespace for the container (default).
+- **ns:[path]**: run the container in the given existing UTS namespace.
+- **container:[container]**: join the UTS namespace of the specified container.
**--volume**, **-v**[=[[_source-volume_|_host-dir_:]_container-dir_[:_options_]]]
diff --git a/pkg/specgen/container_validate.go b/pkg/specgen/container_validate.go
index 8289e2089..76961fa80 100644
--- a/pkg/specgen/container_validate.go
+++ b/pkg/specgen/container_validate.go
@@ -46,6 +46,9 @@ func (s *SpecGenerator) Validate() error {
}
// Cannot set hostname and utsns
if len(s.ContainerBasicConfig.Hostname) > 0 && !s.ContainerBasicConfig.UtsNS.IsPrivate() {
+ if s.ContainerBasicConfig.UtsNS.IsPod() {
+ return errors.Wrap(ErrInvalidSpecConfig, "cannot set hostname when joining the pod UTS namespace")
+ }
return errors.Wrap(ErrInvalidSpecConfig, "cannot set hostname when running in the host UTS namespace")
}
// systemd values must be true, false, or always
diff --git a/test/e2e/trust_test.go b/test/e2e/trust_test.go
index ecdf27a2e..82b0f9f26 100644
--- a/test/e2e/trust_test.go
+++ b/test/e2e/trust_test.go
@@ -47,9 +47,12 @@ var _ = Describe("Podman trust", func() {
Expect(session.ExitCode()).To(Equal(0))
outArray := session.OutputToStringArray()
Expect(len(outArray)).To(Equal(3))
- Expect(outArray[0]).Should(ContainSubstring("accept"))
- Expect(outArray[1]).Should(ContainSubstring("reject"))
- Expect(outArray[2]).Should(ContainSubstring("signed"))
+
+ // image order is not guaranteed. All we can do is check that
+ // these strings appear in output, we can't cross-check them.
+ Expect(session.OutputToString()).To(ContainSubstring("accept"))
+ Expect(session.OutputToString()).To(ContainSubstring("reject"))
+ Expect(session.OutputToString()).To(ContainSubstring("signed"))
})
It("podman image trust set", func() {