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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2021-09-30 15:14:28 -0400
committerGitHub <noreply@github.com>2021-09-30 15:14:28 -0400
commit5c2204b5cea9f310d0c06f181cfa64b6658823e6 (patch)
tree9ecc2baec9b21d0d56e0a2e05c3b671ed7b61196
parent1f3e2ed74ff833a25fcf7b0f796b6a9569cf362d (diff)
parentc25cc7230fa1d54903728626584d30808539cc04 (diff)
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Merge pull request #11794 from umohnani8/pid
Allow a value of -1 to set unlimited pids limit
-rw-r--r--cmd/podman/common/create.go2
-rw-r--r--cmd/podman/containers/create.go4
-rw-r--r--docs/source/markdown/podman-create.1.md2
-rw-r--r--docs/source/markdown/podman-run.1.md2
-rw-r--r--pkg/specgen/generate/validate.go3
5 files changed, 8 insertions, 5 deletions
diff --git a/cmd/podman/common/create.go b/cmd/podman/common/create.go
index a969e17e9..e490fa121 100644
--- a/cmd/podman/common/create.go
+++ b/cmd/podman/common/create.go
@@ -421,7 +421,7 @@ func DefineCreateFlags(cmd *cobra.Command, cf *entities.ContainerCreateOptions,
pidsLimitFlagName := "pids-limit"
createFlags.Int64(
pidsLimitFlagName, pidsLimit(),
- "Tune container pids limit (set 0 for unlimited, -1 for server defaults)",
+ "Tune container pids limit (set -1 for unlimited)",
)
_ = cmd.RegisterFlagCompletionFunc(pidsLimitFlagName, completion.AutocompleteNone)
diff --git a/cmd/podman/containers/create.go b/cmd/podman/containers/create.go
index 2593b4c44..bfeeb7ebe 100644
--- a/cmd/podman/containers/create.go
+++ b/cmd/podman/containers/create.go
@@ -235,6 +235,10 @@ func CreateInit(c *cobra.Command, vals entities.ContainerCreateOptions, isInfra
if c.Flags().Changed("pids-limit") {
val := c.Flag("pids-limit").Value.String()
+ // Convert -1 to 0, so that -1 maps to unlimited pids limit
+ if val == "-1" {
+ val = "0"
+ }
pidsLimit, err := strconv.ParseInt(val, 10, 32)
if err != nil {
return vals, err
diff --git a/docs/source/markdown/podman-create.1.md b/docs/source/markdown/podman-create.1.md
index 0630c8be9..ee52bfd13 100644
--- a/docs/source/markdown/podman-create.1.md
+++ b/docs/source/markdown/podman-create.1.md
@@ -732,7 +732,7 @@ Default is to create a private PID namespace for the container
#### **--pids-limit**=*limit*
-Tune the container's pids limit. Set `0` to have unlimited pids for the container. (default "4096" on systems that support PIDS cgroups).
+Tune the container's pids limit. Set `-1` to have unlimited pids for the container. (default "4096" on systems that support PIDS cgroups).
#### **--platform**=*OS/ARCH*
diff --git a/docs/source/markdown/podman-run.1.md b/docs/source/markdown/podman-run.1.md
index 43b6d5cc6..5cc17f470 100644
--- a/docs/source/markdown/podman-run.1.md
+++ b/docs/source/markdown/podman-run.1.md
@@ -756,7 +756,7 @@ The default is to create a private PID namespace for the container.
#### **--pids-limit**=*limit*
-Tune the container's pids limit. Set to **0** to have unlimited pids for the container. The default is **4096** on systems that support "pids" cgroup controller.
+Tune the container's pids limit. Set to **-1** to have unlimited pids for the container. The default is **4096** on systems that support "pids" cgroup controller.
#### **--platform**=*OS/ARCH*
diff --git a/pkg/specgen/generate/validate.go b/pkg/specgen/generate/validate.go
index 50efe7fa3..b0d84825e 100644
--- a/pkg/specgen/generate/validate.go
+++ b/pkg/specgen/generate/validate.go
@@ -72,10 +72,9 @@ func verifyContainerResourcesCgroupV1(s *specgen.SpecGenerator) ([]string, error
// Pids checks
if s.ResourceLimits.Pids != nil {
- pids := s.ResourceLimits.Pids
// TODO: Should this be 0, or checking that ResourceLimits.Pids
// is set at all?
- if pids.Limit > 0 && !sysInfo.PidsLimit {
+ if s.ResourceLimits.Pids.Limit >= 0 && !sysInfo.PidsLimit {
warnings = append(warnings, "Your kernel does not support pids limit capabilities or the cgroup is not mounted. PIDs limit discarded.")
s.ResourceLimits.Pids = nil
}