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-rw-r--r--cmd/podman/common/create.go9
-rw-r--r--cmd/podman/common/create_opts.go7
-rw-r--r--cmd/podman/containers/create.go5
-rw-r--r--libpod/container_inspect.go3
-rw-r--r--pkg/api/handlers/compat/info.go1
-rw-r--r--pkg/domain/entities/pods.go1
-rw-r--r--pkg/specgen/generate/validate.go4
-rw-r--r--pkg/specgenutil/specgen.go8
-rw-r--r--test/e2e/run_memory_test.go42
-rw-r--r--test/system/030-run.bats6
10 files changed, 14 insertions, 72 deletions
diff --git a/cmd/podman/common/create.go b/cmd/podman/common/create.go
index dad79348d..1b01cd001 100644
--- a/cmd/podman/common/create.go
+++ b/cmd/podman/common/create.go
@@ -327,13 +327,10 @@ func DefineCreateFlags(cmd *cobra.Command, cf *entities.ContainerCreateOptions,
)
_ = cmd.RegisterFlagCompletionFunc(ipcFlagName, AutocompleteNamespace)
- kernelMemoryFlagName := "kernel-memory"
- createFlags.StringVar(
- &cf.KernelMemory,
- kernelMemoryFlagName, "",
- "Kernel memory limit "+sizeWithUnitFormat,
+ createFlags.String(
+ "kernel-memory", "",
+ "DEPRECATED: Option is just hear for compatibility with Docker",
)
- _ = cmd.RegisterFlagCompletionFunc(kernelMemoryFlagName, completion.AutocompleteNone)
// kernel-memory is deprecated in the runtime spec.
_ = createFlags.MarkHidden("kernel-memory")
diff --git a/cmd/podman/common/create_opts.go b/cmd/podman/common/create_opts.go
index 990c1c063..f2335a2be 100644
--- a/cmd/podman/common/create_opts.go
+++ b/cmd/podman/common/create_opts.go
@@ -18,7 +18,6 @@ import (
"github.com/containers/podman/v3/pkg/specgen"
"github.com/docker/docker/api/types/mount"
"github.com/pkg/errors"
- "github.com/sirupsen/logrus"
)
func stringMaptoArray(m map[string]string) []string {
@@ -385,9 +384,6 @@ func ContainerCreateToContainerCLIOpts(cc handlers.CreateContainerConfig, rtc *c
if cc.HostConfig.Memory > 0 {
cliOpts.Memory = strconv.Itoa(int(cc.HostConfig.Memory))
}
- if cc.HostConfig.KernelMemory > 0 {
- logrus.Warnf("The --kernel-memory flag has been deprecated. May not work properly on your system.")
- }
if cc.HostConfig.MemoryReservation > 0 {
cliOpts.MemoryReservation = strconv.Itoa(int(cc.HostConfig.MemoryReservation))
@@ -409,9 +405,6 @@ func ContainerCreateToContainerCLIOpts(cc handlers.CreateContainerConfig, rtc *c
cliOpts.ShmSize = strconv.Itoa(int(cc.HostConfig.ShmSize))
}
- if cc.HostConfig.KernelMemory > 0 {
- cliOpts.KernelMemory = strconv.Itoa(int(cc.HostConfig.KernelMemory))
- }
if len(cc.HostConfig.RestartPolicy.Name) > 0 {
policy := cc.HostConfig.RestartPolicy.Name
// only add restart count on failure
diff --git a/cmd/podman/containers/create.go b/cmd/podman/containers/create.go
index e004f4ab2..9610c29dc 100644
--- a/cmd/podman/containers/create.go
+++ b/cmd/podman/containers/create.go
@@ -21,6 +21,7 @@ import (
"github.com/containers/podman/v3/pkg/util"
"github.com/mattn/go-isatty"
"github.com/pkg/errors"
+ "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
)
@@ -191,6 +192,10 @@ func CreateInit(c *cobra.Command, vals entities.ContainerCreateOptions, isInfra
vals.UserNS = "private"
}
}
+ if c.Flag("kernel-memory") != nil && c.Flag("kernel-memory").Changed {
+ logrus.Warnf("The --kernel-memory flag is no longer supported. This flag is a noop.")
+ }
+
if cliVals.LogDriver == define.PassthroughLogging {
if isatty.IsTerminal(0) || isatty.IsTerminal(1) || isatty.IsTerminal(2) {
return vals, errors.New("the '--log-driver passthrough' option cannot be used on a TTY")
diff --git a/libpod/container_inspect.go b/libpod/container_inspect.go
index b065dd1f9..f72700ab6 100644
--- a/libpod/container_inspect.go
+++ b/libpod/container_inspect.go
@@ -493,9 +493,6 @@ func (c *Container) generateInspectContainerHostConfig(ctrSpec *spec.Spec, named
if ctrSpec.Linux.Resources.Memory.Limit != nil {
hostConfig.Memory = *ctrSpec.Linux.Resources.Memory.Limit
}
- if ctrSpec.Linux.Resources.Memory.Kernel != nil {
- hostConfig.KernelMemory = *ctrSpec.Linux.Resources.Memory.Kernel
- }
if ctrSpec.Linux.Resources.Memory.Reservation != nil {
hostConfig.MemoryReservation = *ctrSpec.Linux.Resources.Memory.Reservation
}
diff --git a/pkg/api/handlers/compat/info.go b/pkg/api/handlers/compat/info.go
index 941718a8b..777009f0a 100644
--- a/pkg/api/handlers/compat/info.go
+++ b/pkg/api/handlers/compat/info.go
@@ -84,7 +84,6 @@ func GetInfo(w http.ResponseWriter, r *http.Request) {
InitBinary: "",
InitCommit: docker.Commit{},
Isolation: "",
- KernelMemory: sysInfo.KernelMemory,
KernelMemoryTCP: false,
KernelVersion: infoData.Host.Kernel,
Labels: nil,
diff --git a/pkg/domain/entities/pods.go b/pkg/domain/entities/pods.go
index 14127e468..5c5fa0cb3 100644
--- a/pkg/domain/entities/pods.go
+++ b/pkg/domain/entities/pods.go
@@ -195,7 +195,6 @@ type ContainerCreateOptions struct {
InitPath string
Interactive bool
IPC string
- KernelMemory string
Label []string
LabelFile []string
LogDriver string
diff --git a/pkg/specgen/generate/validate.go b/pkg/specgen/generate/validate.go
index a44bf9979..c74db7325 100644
--- a/pkg/specgen/generate/validate.go
+++ b/pkg/specgen/generate/validate.go
@@ -60,10 +60,6 @@ func verifyContainerResourcesCgroupV1(s *specgen.SpecGenerator) ([]string, error
if memory.Limit != nil && memory.Reservation != nil && *memory.Limit < *memory.Reservation {
return warnings, errors.New("minimum memory limit cannot be less than memory reservation limit, see usage")
}
- if memory.Kernel != nil && !sysInfo.KernelMemory {
- warnings = append(warnings, "Your kernel does not support kernel memory limit capabilities or the cgroup is not mounted. Limitation discarded.")
- memory.Kernel = nil
- }
if memory.DisableOOMKiller != nil && *memory.DisableOOMKiller && !sysInfo.OomKillDisable {
warnings = append(warnings, "Your kernel does not support OomKillDisable. OomKillDisable discarded.")
memory.DisableOOMKiller = nil
diff --git a/pkg/specgenutil/specgen.go b/pkg/specgenutil/specgen.go
index 9a91b2893..be8f277cc 100644
--- a/pkg/specgenutil/specgen.go
+++ b/pkg/specgenutil/specgen.go
@@ -163,14 +163,6 @@ func getMemoryLimits(s *specgen.SpecGenerator, c *entities.ContainerCreateOption
hasLimits = true
}
}
- if m := c.KernelMemory; len(m) > 0 {
- mk, err := units.RAMInBytes(m)
- if err != nil {
- return nil, errors.Wrapf(err, "invalid value for kernel-memory")
- }
- memory.Kernel = &mk
- hasLimits = true
- }
if c.MemorySwappiness >= 0 {
swappiness := uint64(c.MemorySwappiness)
memory.Swappiness = &swappiness
diff --git a/test/e2e/run_memory_test.go b/test/e2e/run_memory_test.go
index 04952bb03..04fac6bfb 100644
--- a/test/e2e/run_memory_test.go
+++ b/test/e2e/run_memory_test.go
@@ -3,7 +3,6 @@ package integration
import (
"fmt"
"os"
- "strconv"
. "github.com/containers/podman/v3/test/utils"
. "github.com/onsi/ginkgo"
@@ -79,45 +78,4 @@ var _ = Describe("Podman run memory", func() {
Expect(session.OutputToString()).To(Equal(limit))
})
}
-
- It("podman run kernel-memory test", func() {
- if podmanTest.Host.Distribution == "ubuntu" {
- Skip("Unable to perform test on Ubuntu distributions due to memory management")
- }
-
- var session *PodmanSessionIntegration
-
- if CGROUPSV2 {
- session = podmanTest.Podman([]string{"run", "--net=none", "--memory-reservation=40m", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/memory.low"})
- } else {
- session = podmanTest.Podman([]string{"run", "--memory-reservation=40m", ALPINE, "cat", "/sys/fs/cgroup/memory/memory.soft_limit_in_bytes"})
- }
-
- session.WaitWithDefaultTimeout()
- Expect(session).Should(Exit(0))
- Expect(session.OutputToString()).To(Equal("41943040"))
- })
-
- It("podman run kernel-memory test", func() {
- if podmanTest.Host.Distribution == "ubuntu" {
- Skip("Unable to perform test on Ubuntu distributions due to memory management")
- }
- var session *PodmanSessionIntegration
- if CGROUPSV2 {
- session = podmanTest.Podman([]string{"run", "--memory", "256m", "--memory-swap", "-1", ALPINE, "cat", "/sys/fs/cgroup/memory.swap.max"})
- } else {
- session = podmanTest.Podman([]string{"run", "--cgroupns=private", ALPINE, "cat", "/sys/fs/cgroup/memory/memory.memsw.limit_in_bytes"})
- }
- session.WaitWithDefaultTimeout()
- Expect(session).Should(Exit(0))
- output := session.OutputToString()
- Expect(err).To(BeNil())
- if CGROUPSV2 {
- Expect(output).To(Equal("max"))
- } else {
- crazyHighNumber, err := strconv.ParseInt(output, 10, 64)
- Expect(err).To(BeZero())
- Expect(crazyHighNumber).To(BeNumerically(">", 936854771712))
- }
- })
})
diff --git a/test/system/030-run.bats b/test/system/030-run.bats
index 55514305b..c0b61b613 100644
--- a/test/system/030-run.bats
+++ b/test/system/030-run.bats
@@ -766,4 +766,10 @@ EOF
is "$output" "1.2.3.4 foo.com.*" "users can add hosts even without /etc/hosts"
}
+@test "podman run --kernel-memory warning" {
+ # Not sure what situations this fails in, but want to make sure warning shows.
+ run_podman '?' run --rm --kernel-memory 100 $IMAGE false
+ is "$output" ".*The --kernel-memory flag is no longer supported. This flag is a noop." "warn on use of --kernel-memory"
+
+}
# vim: filetype=sh
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-12-26 15:59:00 +0000