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authorDaniel J Walsh <dwalsh@redhat.com>2021-12-22 06:20:21 -0500
committerDaniel J Walsh <dwalsh@redhat.com>2021-12-22 06:20:21 -0500
commita5e49d9668f430d8b7a8b1619fb2bf6c9087fed7 (patch)
tree860d52fa62dcc9ed0458971e5d4ff401aee69d35 /cmd/podman
parent3280204f727bb733b1c615cff68e8377a61eb185 (diff)
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Warn on use of --kernel-memory
It has been deprecated and is no longer supported. Fully remove it and only print a warning if a user uses it. Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2011695 Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Diffstat (limited to 'cmd/podman')
-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
3 files changed, 8 insertions, 13 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")