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authorflouthoc <flouthoc.git@gmail.com>2021-08-05 17:12:17 +0530
committerflouthoc <flouthoc.git@gmail.com>2021-08-06 15:04:47 +0530
commit541e83ffe285cc67f4635d2dd1e7c89135140a13 (patch)
tree3e36e1cbe94763c156bf84690de520219bd6daab /cmd/podman
parent1f0a24437d71f8fe2b2233a428202afcfe513666 (diff)
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personality: Add support for setting execution domain.
Execution domains tell Linux how to map signal numbers into signal actions. The execution domain system allows Linux to provide limited support for binaries compiled under other UNIX-like operating systems. Reference: https://man7.org/linux/man-pages/man2/personality.2.html Signed-off-by: flouthoc <flouthoc.git@gmail.com>
Diffstat (limited to 'cmd/podman')
-rw-r--r--cmd/podman/common/create.go8
-rw-r--r--cmd/podman/common/create_opts.go1
-rw-r--r--cmd/podman/common/specgen.go6
3 files changed, 15 insertions, 0 deletions
diff --git a/cmd/podman/common/create.go b/cmd/podman/common/create.go
index 96414add4..602ad5d94 100644
--- a/cmd/podman/common/create.go
+++ b/cmd/podman/common/create.go
@@ -498,6 +498,14 @@ func DefineCreateFlags(cmd *cobra.Command, cf *ContainerCLIOpts) {
)
_ = cmd.RegisterFlagCompletionFunc(variantFlagName, completion.AutocompleteNone)
+ personalityFlagName := "personality"
+ createFlags.StringVar(
+ &cf.Personality,
+ personalityFlagName, "",
+ "Configure execution domain using personality (e.g., LINUX/LINUX32)",
+ )
+ _ = cmd.RegisterFlagCompletionFunc(personalityFlagName, AutocompleteNamespace)
+
pidFlagName := "pid"
createFlags.String(
pidFlagName, "",
diff --git a/cmd/podman/common/create_opts.go b/cmd/podman/common/create_opts.go
index 61f08b73b..0a969bfd2 100644
--- a/cmd/podman/common/create_opts.go
+++ b/cmd/podman/common/create_opts.go
@@ -81,6 +81,7 @@ type ContainerCLIOpts struct {
Arch string
OS string
Variant string
+ Personality string
PID string
PIDsLimit *int64
Platform string
diff --git a/cmd/podman/common/specgen.go b/cmd/podman/common/specgen.go
index 118091855..8d6a21cb7 100644
--- a/cmd/podman/common/specgen.go
+++ b/cmd/podman/common/specgen.go
@@ -651,6 +651,12 @@ func FillOutSpecGen(s *specgen.SpecGenerator, c *ContainerCLIOpts, args []string
if err != nil {
return err
}
+
+ if c.Personality != "" {
+ s.Personality = &specs.LinuxPersonality{}
+ s.Personality.Domain = specs.LinuxPersonalityDomain(c.Personality)
+ }
+
s.Remove = c.Rm
s.StopTimeout = &c.StopTimeout
s.Timeout = c.Timeout