diff options
Diffstat (limited to 'cmd/podman')
-rw-r--r-- | cmd/podman/autoupdate.go | 56 | ||||
-rw-r--r-- | cmd/podman/cliconfig/config.go | 13 | ||||
-rw-r--r-- | cmd/podman/commands.go | 1 | ||||
-rw-r--r-- | cmd/podman/pod_ps.go | 126 | ||||
-rw-r--r-- | cmd/podman/shared/create.go | 59 | ||||
-rw-r--r-- | cmd/podman/shared/pod.go | 126 |
6 files changed, 248 insertions, 133 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/pod_ps.go b/cmd/podman/pod_ps.go index d7731e983..7acbd6888 100644 --- a/cmd/podman/pod_ps.go +++ b/cmd/podman/pod_ps.go @@ -4,7 +4,6 @@ import ( "fmt" "reflect" "sort" - "strconv" "strings" "time" @@ -13,7 +12,6 @@ import ( "github.com/containers/libpod/cmd/podman/shared" "github.com/containers/libpod/libpod/define" "github.com/containers/libpod/pkg/adapter" - "github.com/containers/libpod/pkg/util" "github.com/docker/go-units" "github.com/pkg/errors" "github.com/spf13/cobra" @@ -29,8 +27,6 @@ const ( NUM_CTR_INFO = 10 ) -type PodFilter func(*adapter.Pod) bool - var ( bc_opts shared.PsOptions ) @@ -174,29 +170,23 @@ func podPsCmd(c *cliconfig.PodPsValues) error { opts.Format = genPodPsFormat(c) - var filterFuncs []PodFilter - if c.Filter != "" { - filters := strings.Split(c.Filter, ",") - for _, f := range filters { - filterSplit := strings.Split(f, "=") - if len(filterSplit) < 2 { - return errors.Errorf("filter input must be in the form of filter=value: %s is invalid", f) - } - generatedFunc, err := generatePodFilterFuncs(filterSplit[0], filterSplit[1]) - if err != nil { - return errors.Wrapf(err, "invalid filter") - } - filterFuncs = append(filterFuncs, generatedFunc) - } - } - var pods []*adapter.Pod + + // If latest is set true filters are ignored. if c.Latest { pod, err := runtime.GetLatestPod() if err != nil { return err } pods = append(pods, pod) + return generatePodPsOutput(pods, opts) + } + + if c.Filter != "" { + pods, err = runtime.GetPodsWithFilters(c.Filter) + if err != nil { + return err + } } else { pods, err = runtime.GetAllPods() if err != nil { @@ -204,19 +194,7 @@ func podPsCmd(c *cliconfig.PodPsValues) error { } } - podsFiltered := make([]*adapter.Pod, 0, len(pods)) - for _, pod := range pods { - include := true - for _, filter := range filterFuncs { - include = include && filter(pod) - } - - if include { - podsFiltered = append(podsFiltered, pod) - } - } - - return generatePodPsOutput(podsFiltered, opts) + return generatePodPsOutput(pods, opts) } // podPsCheckFlagsPassed checks if mutually exclusive flags are passed together @@ -235,88 +213,6 @@ func podPsCheckFlagsPassed(c *cliconfig.PodPsValues) error { return nil } -func generatePodFilterFuncs(filter, filterValue string) (func(pod *adapter.Pod) bool, error) { - switch filter { - case "ctr-ids": - return func(p *adapter.Pod) bool { - ctrIds, err := p.AllContainersByID() - if err != nil { - return false - } - return util.StringInSlice(filterValue, ctrIds) - }, nil - case "ctr-names": - return func(p *adapter.Pod) bool { - ctrs, err := p.AllContainers() - if err != nil { - return false - } - for _, ctr := range ctrs { - if filterValue == ctr.Name() { - return true - } - } - return false - }, nil - case "ctr-number": - return func(p *adapter.Pod) bool { - ctrIds, err := p.AllContainersByID() - if err != nil { - return false - } - - fVint, err2 := strconv.Atoi(filterValue) - if err2 != nil { - return false - } - return len(ctrIds) == fVint - }, nil - case "ctr-status": - if !util.StringInSlice(filterValue, []string{"created", "restarting", "running", "paused", "exited", "unknown"}) { - return nil, errors.Errorf("%s is not a valid status", filterValue) - } - return func(p *adapter.Pod) bool { - ctr_statuses, err := p.Status() - if err != nil { - return false - } - for _, ctr_status := range ctr_statuses { - state := ctr_status.String() - if ctr_status == define.ContainerStateConfigured { - state = "created" - } - if state == filterValue { - return true - } - } - return false - }, nil - case "id": - return func(p *adapter.Pod) bool { - return strings.Contains(p.ID(), filterValue) - }, nil - case "name": - return func(p *adapter.Pod) bool { - return strings.Contains(p.Name(), filterValue) - }, nil - case "status": - if !util.StringInSlice(filterValue, []string{"stopped", "running", "paused", "exited", "dead", "created"}) { - return nil, errors.Errorf("%s is not a valid pod status", filterValue) - } - return func(p *adapter.Pod) bool { - status, err := p.GetPodStatus() - if err != nil { - return false - } - if strings.ToLower(status) == filterValue { - return true - } - return false - }, nil - } - return nil, errors.Errorf("%s is an invalid filter", filter) -} - // generate the template based on conditions given func genPodPsFormat(c *cliconfig.PodPsValues) string { format := "" 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 diff --git a/cmd/podman/shared/pod.go b/cmd/podman/shared/pod.go index 7b0b497fc..3046953b5 100644 --- a/cmd/podman/shared/pod.go +++ b/cmd/podman/shared/pod.go @@ -2,9 +2,11 @@ package shared import ( "strconv" + "strings" "github.com/containers/libpod/libpod" "github.com/containers/libpod/libpod/define" + "github.com/containers/libpod/pkg/util" "github.com/cri-o/ocicni/pkg/ocicni" "github.com/docker/go-connections/nat" "github.com/pkg/errors" @@ -134,4 +136,128 @@ func CreatePortBindings(ports []string) ([]ocicni.PortMapping, error) { return portBindings, nil } +// GetPodsWithFilters uses the cliconfig to categorize if the latest pod is required. +func GetPodsWithFilters(r *libpod.Runtime, filters string) ([]*libpod.Pod, error) { + filterFuncs, err := GenerateFilterFunction(r, strings.Split(filters, ",")) + if err != nil { + return nil, err + } + return FilterAllPodsWithFilterFunc(r, filterFuncs...) +} + +// FilterAllPodsWithFilterFunc retrieves all pods +// Filters can be provided which will determine which pods are included in the +// output. Multiple filters are handled by ANDing their output, so only pods +// matching all filters are returned +func FilterAllPodsWithFilterFunc(r *libpod.Runtime, filters ...libpod.PodFilter) ([]*libpod.Pod, error) { + pods, err := r.Pods(filters...) + if err != nil { + return nil, err + } + return pods, nil +} + +// GenerateFilterFunction basically gets the filters based on the input by the user +// and filter the pod list based on the criteria. +func GenerateFilterFunction(r *libpod.Runtime, filters []string) ([]libpod.PodFilter, error) { + var filterFuncs []libpod.PodFilter + for _, f := range filters { + filterSplit := strings.Split(f, "=") + if len(filterSplit) < 2 { + return nil, errors.Errorf("filter input must be in the form of filter=value: %s is invalid", f) + } + generatedFunc, err := generatePodFilterFuncs(filterSplit[0], filterSplit[1]) + if err != nil { + return nil, errors.Wrapf(err, "invalid filter") + } + filterFuncs = append(filterFuncs, generatedFunc) + } + + return filterFuncs, nil +} +func generatePodFilterFuncs(filter, filterValue string) ( + func(pod *libpod.Pod) bool, error) { + switch filter { + case "ctr-ids": + return func(p *libpod.Pod) bool { + ctrIds, err := p.AllContainersByID() + if err != nil { + return false + } + return util.StringInSlice(filterValue, ctrIds) + }, nil + case "ctr-names": + return func(p *libpod.Pod) bool { + ctrs, err := p.AllContainers() + if err != nil { + return false + } + for _, ctr := range ctrs { + if filterValue == ctr.Name() { + return true + } + } + return false + }, nil + case "ctr-number": + return func(p *libpod.Pod) bool { + ctrIds, err := p.AllContainersByID() + if err != nil { + return false + } + + fVint, err2 := strconv.Atoi(filterValue) + if err2 != nil { + return false + } + return len(ctrIds) == fVint + }, nil + case "ctr-status": + if !util.StringInSlice(filterValue, + []string{"created", "restarting", "running", "paused", + "exited", "unknown"}) { + return nil, errors.Errorf("%s is not a valid status", filterValue) + } + return func(p *libpod.Pod) bool { + ctr_statuses, err := p.Status() + if err != nil { + return false + } + for _, ctr_status := range ctr_statuses { + state := ctr_status.String() + if ctr_status == define.ContainerStateConfigured { + state = "created" + } + if state == filterValue { + return true + } + } + return false + }, nil + case "id": + return func(p *libpod.Pod) bool { + return strings.Contains(p.ID(), filterValue) + }, nil + case "name": + return func(p *libpod.Pod) bool { + return strings.Contains(p.Name(), filterValue) + }, nil + case "status": + if !util.StringInSlice(filterValue, []string{"stopped", "running", "paused", "exited", "dead", "created"}) { + return nil, errors.Errorf("%s is not a valid pod status", filterValue) + } + return func(p *libpod.Pod) bool { + status, err := p.GetPodStatus() + if err != nil { + return false + } + if strings.ToLower(status) == filterValue { + return true + } + return false + }, nil + } + return nil, errors.Errorf("%s is an invalid filter", filter) +} + var DefaultKernelNamespaces = "cgroup,ipc,net,uts" |