podman/0002-specgen-do-not-set-OOMScoreAdj-by-default.patch

130 lines
4.8 KiB
Diff

From a8d92cf8540d4983934ba8f258a403de81af930d Mon Sep 17 00:00:00 2001
From: Giuseppe Scrivano <gscrivan@redhat.com>
Date: Mon, 4 Apr 2022 13:14:35 +0200
Subject: [PATCH 2/2] specgen: do not set OOMScoreAdj by default
do not force a value of OOMScoreAdj=0 if it is wasn't specified by the
user.
Closes: https://github.com/containers/podman/issues/13731
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
(cherry picked from commit 164b64ea3baa8502a23fc0c7674f4a7e60507aa0)
---
cmd/podman/common/create.go | 3 +--
cmd/podman/common/create_opts.go | 2 +-
cmd/podman/containers/create.go | 7 +++++++
pkg/domain/entities/pods.go | 2 +-
pkg/specgenutil/specgen.go | 2 +-
test/e2e/run_test.go | 7 +++++++
test/system/030-run.bats | 6 ++++++
7 files changed, 24 insertions(+), 5 deletions(-)
diff --git a/cmd/podman/common/create.go b/cmd/podman/common/create.go
index 1121806d5..e7d073226 100644
--- a/cmd/podman/common/create.go
+++ b/cmd/podman/common/create.go
@@ -402,8 +402,7 @@ func DefineCreateFlags(cmd *cobra.Command, cf *entities.ContainerCreateOptions,
)
oomScoreAdjFlagName := "oom-score-adj"
- createFlags.IntVar(
- &cf.OOMScoreAdj,
+ createFlags.Int(
oomScoreAdjFlagName, 0,
"Tune the host's OOM preferences (-1000 to 1000)",
)
diff --git a/cmd/podman/common/create_opts.go b/cmd/podman/common/create_opts.go
index b110b3d85..6c985cb60 100644
--- a/cmd/podman/common/create_opts.go
+++ b/cmd/podman/common/create_opts.go
@@ -277,7 +277,7 @@ func ContainerCreateToContainerCLIOpts(cc handlers.CreateContainerConfig, rtc *c
LogDriver: cc.HostConfig.LogConfig.Type,
LogOptions: stringMaptoArray(cc.HostConfig.LogConfig.Config),
Name: cc.Name,
- OOMScoreAdj: cc.HostConfig.OomScoreAdj,
+ OOMScoreAdj: &cc.HostConfig.OomScoreAdj,
Arch: "",
OS: "",
Variant: "",
diff --git a/cmd/podman/containers/create.go b/cmd/podman/containers/create.go
index 89d2e5515..1f3331272 100644
--- a/cmd/podman/containers/create.go
+++ b/cmd/podman/containers/create.go
@@ -238,6 +238,13 @@ func CreateInit(c *cobra.Command, vals entities.ContainerCreateOptions, isInfra
vals.GroupAdd = groups
}
+ if c.Flags().Changed("oom-score-adj") {
+ val, err := c.Flags().GetInt("oom-score-adj")
+ if err != nil {
+ return vals, err
+ }
+ vals.OOMScoreAdj = &val
+ }
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
diff --git a/pkg/domain/entities/pods.go b/pkg/domain/entities/pods.go
index 7922db4e6..cb6132e26 100644
--- a/pkg/domain/entities/pods.go
+++ b/pkg/domain/entities/pods.go
@@ -210,7 +210,7 @@ type ContainerCreateOptions struct {
Name string `json:"container_name"`
NoHealthCheck bool
OOMKillDisable bool
- OOMScoreAdj int
+ OOMScoreAdj *int
Arch string
OS string
Variant string
diff --git a/pkg/specgenutil/specgen.go b/pkg/specgenutil/specgen.go
index 17699a038..260d78913 100644
--- a/pkg/specgenutil/specgen.go
+++ b/pkg/specgenutil/specgen.go
@@ -660,7 +660,7 @@ func FillOutSpecGen(s *specgen.SpecGenerator, c *entities.ContainerCreateOptions
s.Name = c.Name
s.PreserveFDs = c.PreserveFDs
- s.OOMScoreAdj = &c.OOMScoreAdj
+ s.OOMScoreAdj = c.OOMScoreAdj
if c.Restart != "" {
splitRestart := strings.Split(c.Restart, ":")
switch len(splitRestart) {
diff --git a/test/e2e/run_test.go b/test/e2e/run_test.go
index 81dcc4342..d772cbc21 100644
--- a/test/e2e/run_test.go
+++ b/test/e2e/run_test.go
@@ -609,6 +609,13 @@ USER bin`, BB)
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
Expect(session.OutputToString()).To(Equal("111"))
+
+ currentOOMScoreAdj, err := ioutil.ReadFile("/proc/self/oom_score_adj")
+ Expect(err).To(BeNil())
+ session = podmanTest.Podman([]string{"run", "--rm", fedoraMinimal, "cat", "/proc/self/oom_score_adj"})
+ session.WaitWithDefaultTimeout()
+ Expect(session).Should(Exit(0))
+ Expect(session.OutputToString()).To(Equal(strings.TrimRight(string(currentOOMScoreAdj), "\n")))
})
It("podman run limits host test", func() {
diff --git a/test/system/030-run.bats b/test/system/030-run.bats
index ec85ef166..72e4a2bc8 100644
--- a/test/system/030-run.bats
+++ b/test/system/030-run.bats
@@ -815,4 +815,10 @@ EOF
run_podman run --uidmap 0:10001:10002 --rm --hostname ${HOST} $IMAGE grep ${HOST} /etc/hosts
is "${lines[0]}" ".*${HOST}.*"
}
+
+@test "podman run doesn't override oom-score-adj" {
+ current_oom_score_adj=$(cat /proc/self/oom_score_adj)
+ run_podman run --rm $IMAGE cat /proc/self/oom_score_adj
+ is "$output" "$current_oom_score_adj" "different oom_score_adj in the container"
+}
# vim: filetype=sh
--
2.35.1