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-rw-r--r--cmd/podman/autoupdate.go56
-rw-r--r--cmd/podman/cliconfig/config.go13
-rw-r--r--cmd/podman/commands.go1
-rw-r--r--cmd/podman/shared/create.go59
4 files changed, 111 insertions, 18 deletions
diff --git a/cmd/podman/autoupdate.go b/cmd/podman/autoupdate.go
new file mode 100644
index 000000000..2cc1ae72e
--- /dev/null
+++ b/cmd/podman/autoupdate.go
@@ -0,0 +1,56 @@
+package main
+
+import (
+ "fmt"
+
+ "github.com/containers/libpod/cmd/podman/cliconfig"
+ "github.com/containers/libpod/pkg/adapter"
+ "github.com/pkg/errors"
+ "github.com/spf13/cobra"
+)
+
+var (
+ autoUpdateCommand cliconfig.AutoUpdateValues
+ autoUpdateDescription = `Auto update containers according to their auto-update policy.
+
+Auto-update policies are specified with the "io.containers.autoupdate" label.`
+ _autoUpdateCommand = &cobra.Command{
+ Use: "auto-update [flags]",
+ Short: "Auto update containers according to their auto-update policy",
+ Args: noSubArgs,
+ Long: autoUpdateDescription,
+ RunE: func(cmd *cobra.Command, args []string) error {
+ restartCommand.InputArgs = args
+ restartCommand.GlobalFlags = MainGlobalOpts
+ return autoUpdateCmd(&restartCommand)
+ },
+ Example: `podman auto-update`,
+ }
+)
+
+func init() {
+ autoUpdateCommand.Command = _autoUpdateCommand
+ autoUpdateCommand.SetHelpTemplate(HelpTemplate())
+ autoUpdateCommand.SetUsageTemplate(UsageTemplate())
+}
+
+func autoUpdateCmd(c *cliconfig.RestartValues) error {
+ runtime, err := adapter.GetRuntime(getContext(), &c.PodmanCommand)
+ if err != nil {
+ return errors.Wrapf(err, "error creating libpod runtime")
+ }
+ defer runtime.DeferredShutdown(false)
+
+ units, failures := runtime.AutoUpdate()
+ for _, unit := range units {
+ fmt.Println(unit)
+ }
+ var finalErr error
+ if len(failures) > 0 {
+ finalErr = failures[0]
+ for _, e := range failures[1:] {
+ finalErr = errors.Errorf("%v\n%v", finalErr, e)
+ }
+ }
+ return finalErr
+}
diff --git a/cmd/podman/cliconfig/config.go b/cmd/podman/cliconfig/config.go
index 79917946a..94a7b2091 100644
--- a/cmd/podman/cliconfig/config.go
+++ b/cmd/podman/cliconfig/config.go
@@ -54,6 +54,10 @@ type AttachValues struct {
SigProxy bool
}
+type AutoUpdateValues struct {
+ PodmanCommand
+}
+
type ImagesValues struct {
PodmanCommand
All bool
@@ -470,10 +474,11 @@ type RefreshValues struct {
type RestartValues struct {
PodmanCommand
- All bool
- Latest bool
- Running bool
- Timeout uint
+ All bool
+ AutoUpdate bool
+ Latest bool
+ Running bool
+ Timeout uint
}
type RestoreValues struct {
diff --git a/cmd/podman/commands.go b/cmd/podman/commands.go
index d6018a6f4..dfa04315e 100644
--- a/cmd/podman/commands.go
+++ b/cmd/podman/commands.go
@@ -11,6 +11,7 @@ const remoteclient = false
// Commands that the local client implements
func getMainCommands() []*cobra.Command {
rootCommands := []*cobra.Command{
+ _autoUpdateCommand,
_cpCommand,
_playCommand,
_loginCommand,
diff --git a/cmd/podman/shared/create.go b/cmd/podman/shared/create.go
index 8968f10e8..cec837af6 100644
--- a/cmd/podman/shared/create.go
+++ b/cmd/podman/shared/create.go
@@ -18,6 +18,7 @@ import (
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/libpod/image"
ann "github.com/containers/libpod/pkg/annotations"
+ "github.com/containers/libpod/pkg/autoupdate"
envLib "github.com/containers/libpod/pkg/env"
"github.com/containers/libpod/pkg/errorhandling"
"github.com/containers/libpod/pkg/inspect"
@@ -25,6 +26,7 @@ import (
"github.com/containers/libpod/pkg/rootless"
"github.com/containers/libpod/pkg/seccomp"
cc "github.com/containers/libpod/pkg/spec"
+ systemdGen "github.com/containers/libpod/pkg/systemd/generate"
"github.com/containers/libpod/pkg/util"
"github.com/docker/go-connections/nat"
"github.com/docker/go-units"
@@ -69,6 +71,7 @@ func CreateContainer(ctx context.Context, c *GenericCLIResults, runtime *libpod.
}
imageName := ""
+ rawImageName := ""
var imageData *inspect.ImageData = nil
// Set the storage if there is no rootfs specified
@@ -78,9 +81,8 @@ func CreateContainer(ctx context.Context, c *GenericCLIResults, runtime *libpod.
writer = os.Stderr
}
- name := ""
if len(c.InputArgs) != 0 {
- name = c.InputArgs[0]
+ rawImageName = c.InputArgs[0]
} else {
return nil, nil, errors.Errorf("error, image name not provided")
}
@@ -97,7 +99,7 @@ func CreateContainer(ctx context.Context, c *GenericCLIResults, runtime *libpod.
ArchitectureChoice: overrideArch,
}
- newImage, err := runtime.ImageRuntime().New(ctx, name, rtc.SignaturePolicyPath, c.String("authfile"), writer, &dockerRegistryOptions, image.SigningOptions{}, nil, pullType)
+ newImage, err := runtime.ImageRuntime().New(ctx, rawImageName, rtc.SignaturePolicyPath, c.String("authfile"), writer, &dockerRegistryOptions, image.SigningOptions{}, nil, pullType)
if err != nil {
return nil, nil, err
}
@@ -174,11 +176,32 @@ func CreateContainer(ctx context.Context, c *GenericCLIResults, runtime *libpod.
}
}
- createConfig, err := ParseCreateOpts(ctx, c, runtime, imageName, imageData)
+ createConfig, err := ParseCreateOpts(ctx, c, runtime, imageName, rawImageName, imageData)
if err != nil {
return nil, nil, err
}
+ // (VR): Ideally we perform the checks _before_ pulling the image but that
+ // would require some bigger code refactoring of `ParseCreateOpts` and the
+ // logic here. But as the creation code will be consolidated in the future
+ // and given auto updates are experimental, we can live with that for now.
+ // In the end, the user may only need to correct the policy or the raw image
+ // name.
+ autoUpdatePolicy, autoUpdatePolicySpecified := createConfig.Labels[autoupdate.Label]
+ if autoUpdatePolicySpecified {
+ if _, err := autoupdate.LookupPolicy(autoUpdatePolicy); err != nil {
+ return nil, nil, err
+ }
+ // Now we need to make sure we're having a fully-qualified image reference.
+ if rootfs != "" {
+ return nil, nil, errors.Errorf("auto updates do not work with --rootfs")
+ }
+ // Make sure the input image is a docker.
+ if err := autoupdate.ValidateImageReference(rawImageName); err != nil {
+ return nil, nil, err
+ }
+ }
+
// Because parseCreateOpts does derive anything from the image, we add health check
// at this point. The rest is done by WithOptions.
createConfig.HealthCheck = healthCheck
@@ -270,7 +293,7 @@ func configurePod(c *GenericCLIResults, runtime *libpod.Runtime, namespaces map[
// Parses CLI options related to container creation into a config which can be
// parsed into an OCI runtime spec
-func ParseCreateOpts(ctx context.Context, c *GenericCLIResults, runtime *libpod.Runtime, imageName string, data *inspect.ImageData) (*cc.CreateConfig, error) {
+func ParseCreateOpts(ctx context.Context, c *GenericCLIResults, runtime *libpod.Runtime, imageName string, rawImageName string, data *inspect.ImageData) (*cc.CreateConfig, error) {
var (
inputCommand, command []string
memoryLimit, memoryReservation, memorySwap, memoryKernel int64
@@ -481,12 +504,15 @@ func ParseCreateOpts(ctx context.Context, c *GenericCLIResults, runtime *libpod.
"container": "podman",
}
+ // First transform the os env into a map. We need it for the labels later in
+ // any case.
+ osEnv, err := envLib.ParseSlice(os.Environ())
+ if err != nil {
+ return nil, errors.Wrap(err, "error parsing host environment variables")
+ }
+
// Start with env-host
if c.Bool("env-host") {
- osEnv, err := envLib.ParseSlice(os.Environ())
- if err != nil {
- return nil, errors.Wrap(err, "error parsing host environment variables")
- }
env = envLib.Join(env, osEnv)
}
@@ -534,6 +560,10 @@ func ParseCreateOpts(ctx context.Context, c *GenericCLIResults, runtime *libpod.
}
}
+ if systemdUnit, exists := osEnv[systemdGen.EnvVariable]; exists {
+ labels[systemdGen.EnvVariable] = systemdUnit
+ }
+
// ANNOTATIONS
annotations := make(map[string]string)
@@ -764,11 +794,12 @@ func ParseCreateOpts(ctx context.Context, c *GenericCLIResults, runtime *libpod.
Entrypoint: entrypoint,
Env: env,
// ExposedPorts: ports,
- Init: c.Bool("init"),
- InitPath: c.String("init-path"),
- Image: imageName,
- ImageID: imageID,
- Interactive: c.Bool("interactive"),
+ Init: c.Bool("init"),
+ InitPath: c.String("init-path"),
+ Image: imageName,
+ RawImageName: rawImageName,
+ ImageID: imageID,
+ Interactive: c.Bool("interactive"),
// IP6Address: c.String("ipv6"), // Not implemented yet - needs CNI support for static v6
Labels: labels,
// LinkLocalIP: c.StringSlice("link-local-ip"), // Not implemented yet
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-11-06 16:35:16 +0000