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authorDaniel J Walsh <dwalsh@redhat.com>2020-11-25 15:40:46 -0500
committerDaniel J Walsh <dwalsh@redhat.com>2020-11-26 06:08:11 -0500
commit88f8d96ed8e7edcb4dfdb3de707034036bab27ff (patch)
treed018dd03e19b30ac0e2e5330f5fc6b031c90c950 /cmd/podman
parent397e9a9f1b146617120690243a89fa9541f0854c (diff)
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Add support for --platform
For docker compatibility we need to support --platform flag. podman create --platform podman run --platform podman pull --platform Since we have --override-os and --override-arch already this can be done just by modifying the client to split the --platform call into os and arch and then pass those options to the server side. Fixes: https://github.com/containers/podman/issues/6244 Signed-off-by: Daniel J Walsh <dwalsh@redhat.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/containers/create.go16
-rw-r--r--cmd/podman/images/pull.go20
4 files changed, 45 insertions, 0 deletions
diff --git a/cmd/podman/common/create.go b/cmd/podman/common/create.go
index 599b430ea..14086ace4 100644
--- a/cmd/podman/common/create.go
+++ b/cmd/podman/common/create.go
@@ -513,6 +513,14 @@ func DefineCreateFlags(cmd *cobra.Command, cf *ContainerCLIOpts) {
)
_ = cmd.RegisterFlagCompletionFunc(pidsLimitFlagName, completion.AutocompleteNone)
+ platformFlagName := "platform"
+ createFlags.StringVar(
+ &cf.Platform,
+ platformFlagName, "",
+ "Specify the platform for selecting the image. (Conflicts with override-arch and override-os)",
+ )
+ _ = cmd.RegisterFlagCompletionFunc(platformFlagName, completion.AutocompleteNone)
+
podFlagName := "pod"
createFlags.StringVar(
&cf.Pod,
diff --git a/cmd/podman/common/create_opts.go b/cmd/podman/common/create_opts.go
index 6dc43dbc6..24ede4885 100644
--- a/cmd/podman/common/create_opts.go
+++ b/cmd/podman/common/create_opts.go
@@ -78,6 +78,7 @@ type ContainerCLIOpts struct {
OverrideVariant string
PID string
PIDsLimit *int64
+ Platform string
Pod string
PodIDFile string
PreserveFDs uint
diff --git a/cmd/podman/containers/create.go b/cmd/podman/containers/create.go
index db920554e..3d87c71a9 100644
--- a/cmd/podman/containers/create.go
+++ b/cmd/podman/containers/create.go
@@ -18,6 +18,7 @@ import (
"github.com/containers/podman/v2/pkg/specgen"
"github.com/containers/podman/v2/pkg/util"
"github.com/pkg/errors"
+ "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
)
@@ -236,6 +237,21 @@ func pullImage(imageName string) (string, error) {
imageMissing = !br.Value
}
+ if cliVals.Platform != "" {
+ if cliVals.OverrideArch != "" || cliVals.OverrideOS != "" {
+ return "", errors.Errorf("--platform option can not be specified with --overide-arch or --override-os")
+ }
+ split := strings.SplitN(cliVals.Platform, "/", 2)
+ cliVals.OverrideOS = split[0]
+ if len(split) > 1 {
+ cliVals.OverrideArch = split[1]
+ }
+ if pullPolicy != config.PullImageAlways {
+ logrus.Info("--platform causes the pull policy to be \"always\"")
+ pullPolicy = config.PullImageAlways
+ }
+ }
+
if imageMissing || pullPolicy == config.PullImageAlways {
if pullPolicy == config.PullImageNever {
return "", errors.Wrapf(define.ErrNoSuchImage, "unable to find a name and tag match for %s in repotags", imageName)
diff --git a/cmd/podman/images/pull.go b/cmd/podman/images/pull.go
index a6f41688c..f8e1ee226 100644
--- a/cmd/podman/images/pull.go
+++ b/cmd/podman/images/pull.go
@@ -3,6 +3,7 @@ package images
import (
"fmt"
"os"
+ "strings"
"github.com/containers/common/pkg/auth"
"github.com/containers/common/pkg/completion"
@@ -11,6 +12,7 @@ import (
"github.com/containers/podman/v2/cmd/podman/registry"
"github.com/containers/podman/v2/pkg/domain/entities"
"github.com/containers/podman/v2/pkg/util"
+ "github.com/pkg/errors"
"github.com/spf13/cobra"
)
@@ -94,6 +96,10 @@ func pullFlags(cmd *cobra.Command) {
flags.StringVar(&pullOptions.OverrideVariant, overrideVariantFlagName, "", " use VARIANT instead of the running architecture variant for choosing images")
_ = cmd.RegisterFlagCompletionFunc(overrideVariantFlagName, completion.AutocompleteNone)
+ platformFlagName := "platform"
+ flags.String(platformFlagName, "", "Specify the platform for selecting the image. (Conflicts with override-arch and override-os)")
+ _ = cmd.RegisterFlagCompletionFunc(platformFlagName, completion.AutocompleteNone)
+
flags.Bool("disable-content-trust", false, "This is a Docker specific option and is a NOOP")
flags.BoolVarP(&pullOptions.Quiet, "quiet", "q", false, "Suppress output information when pulling images")
flags.StringVar(&pullOptions.SignaturePolicy, "signature-policy", "", "`Pathname` of signature policy file (not usually used)")
@@ -127,6 +133,20 @@ func imagePull(cmd *cobra.Command, args []string) error {
return err
}
}
+ platform, err := cmd.Flags().GetString("platform")
+ if err != nil {
+ return err
+ }
+ if platform != "" {
+ if pullOptions.OverrideArch != "" || pullOptions.OverrideOS != "" {
+ return errors.Errorf("--platform option can not be specified with --overide-arch or --override-os")
+ }
+ split := strings.SplitN(platform, "/", 2)
+ pullOptions.OverrideOS = split[0]
+ if len(split) > 1 {
+ pullOptions.OverrideArch = split[1]
+ }
+ }
if pullOptions.CredentialsCLI != "" {
creds, err := util.ParseRegistryCreds(pullOptions.CredentialsCLI)