diff options
Diffstat (limited to 'pkg/domain/infra/abi')
| -rw-r--r-- | pkg/domain/infra/abi/containers.go | 7 | ||||
| -rw-r--r-- | pkg/domain/infra/abi/images.go | 115 | ||||
| -rw-r--r-- | pkg/domain/infra/abi/network.go | 258 | ||||
| -rw-r--r-- | pkg/domain/infra/abi/pods.go | 4 | ||||
| -rw-r--r-- | pkg/domain/infra/abi/system.go | 38 | ||||
| -rw-r--r-- | pkg/domain/infra/abi/volumes.go | 6 |
6 files changed, 361 insertions, 67 deletions
diff --git a/pkg/domain/infra/abi/containers.go b/pkg/domain/infra/abi/containers.go index bb7f0118d..249e8147c 100644 --- a/pkg/domain/infra/abi/containers.go +++ b/pkg/domain/infra/abi/containers.go @@ -194,6 +194,10 @@ func (ic *ContainerEngine) ContainerPrune(ctx context.Context, options entities. filterFuncs = append(filterFuncs, generatedFunc) } } + return ic.pruneContainersHelper(ctx, filterFuncs) +} + +func (ic *ContainerEngine) pruneContainersHelper(ctx context.Context, filterFuncs []libpod.ContainerFilter) (*entities.ContainerPruneReport, error) { prunedContainers, pruneErrors, err := ic.Libpod.PruneContainers(filterFuncs) if err != nil { return nil, err @@ -524,7 +528,8 @@ func (ic *ContainerEngine) ContainerAttach(ctx context.Context, nameOrId string, } // If the container is in a pod, also set to recursively start dependencies - if err := terminal.StartAttachCtr(ctx, ctr, options.Stdout, options.Stderr, options.Stdin, options.DetachKeys, options.SigProxy, false, ctr.PodID() != ""); err != nil && errors.Cause(err) != define.ErrDetach { + err = terminal.StartAttachCtr(ctx, ctr, options.Stdout, options.Stderr, options.Stdin, options.DetachKeys, options.SigProxy, false, ctr.PodID() != "") + if err != nil && errors.Cause(err) != define.ErrDetach { return errors.Wrapf(err, "error attaching to container %s", ctr.ID()) } return nil diff --git a/pkg/domain/infra/abi/images.go b/pkg/domain/infra/abi/images.go index be788b2bf..7ab5131f0 100644 --- a/pkg/domain/infra/abi/images.go +++ b/pkg/domain/infra/abi/images.go @@ -21,7 +21,6 @@ import ( domainUtils "github.com/containers/libpod/pkg/domain/utils" "github.com/containers/libpod/pkg/util" "github.com/containers/storage" - "github.com/hashicorp/go-multierror" imgspecv1 "github.com/opencontainers/image-spec/specs-go/v1" "github.com/pkg/errors" "github.com/sirupsen/logrus" @@ -36,7 +35,11 @@ func (ir *ImageEngine) Exists(_ context.Context, nameOrId string) (*entities.Boo } func (ir *ImageEngine) Prune(ctx context.Context, opts entities.ImagePruneOptions) (*entities.ImagePruneReport, error) { - results, err := ir.Libpod.ImageRuntime().PruneImages(ctx, opts.All, opts.Filter) + return ir.pruneImagesHelper(ctx, opts.All, opts.Filter) +} + +func (ir *ImageEngine) pruneImagesHelper(ctx context.Context, all bool, filters []string) (*entities.ImagePruneReport, error) { + results, err := ir.Libpod.ImageRuntime().PruneImages(ctx, all, filters) if err != nil { return nil, err } @@ -419,8 +422,10 @@ func (ir *ImageEngine) Tree(ctx context.Context, nameOrId string, opts entities. return &entities.ImageTreeReport{Tree: results}, nil } -// Remove removes one or more images from local storage. -func (ir *ImageEngine) Remove(ctx context.Context, images []string, opts entities.ImageRemoveOptions) (report *entities.ImageRemoveReport, finalError error) { +// removeErrorsToExitCode returns an exit code for the specified slice of +// image-removal errors. The error codes are set according to the documented +// behaviour in the Podman man pages. +func removeErrorsToExitCode(rmErrors []error) int { var ( // noSuchImageErrors indicates that at least one image was not found. noSuchImageErrors bool @@ -430,59 +435,53 @@ func (ir *ImageEngine) Remove(ctx context.Context, images []string, opts entitie // otherErrors indicates that at least one error other than the two // above occured. otherErrors bool - // deleteError is a multierror to conveniently collect errors during - // removal. We really want to delete as many images as possible and not - // error out immediately. - deleteError *multierror.Error ) - report = &entities.ImageRemoveReport{} + if len(rmErrors) == 0 { + return 0 + } - // Set the removalCode and the error after all work is done. - defer func() { - switch { - // 2 - case inUseErrors: - // One of the specified images has child images or is - // being used by a container. - report.ExitCode = 2 - // 1 - case noSuchImageErrors && !(otherErrors || inUseErrors): - // One of the specified images did not exist, and no other - // failures. - report.ExitCode = 1 - // 0 + for _, e := range rmErrors { + switch errors.Cause(e) { + case define.ErrNoSuchImage: + noSuchImageErrors = true + case define.ErrImageInUse, storage.ErrImageUsedByContainer: + inUseErrors = true default: - // Nothing to do. - } - if deleteError != nil { - // go-multierror has a trailing new line which we need to remove to normalize the string. - finalError = deleteError.ErrorOrNil() - finalError = errors.New(strings.TrimSpace(finalError.Error())) + otherErrors = true } + } + + switch { + case inUseErrors: + // One of the specified images has child images or is + // being used by a container. + return 2 + case noSuchImageErrors && !(otherErrors || inUseErrors): + // One of the specified images did not exist, and no other + // failures. + return 1 + default: + return 125 + } +} + +// Remove removes one or more images from local storage. +func (ir *ImageEngine) Remove(ctx context.Context, images []string, opts entities.ImageRemoveOptions) (report *entities.ImageRemoveReport, rmErrors []error) { + report = &entities.ImageRemoveReport{} + + // Set the exit code at very end. + defer func() { + report.ExitCode = removeErrorsToExitCode(rmErrors) }() // deleteImage is an anonymous function to conveniently delete an image // without having to pass all local data around. deleteImage := func(img *image.Image) error { results, err := ir.Libpod.RemoveImage(ctx, img, opts.Force) - switch errors.Cause(err) { - case nil: - break - case define.ErrNoSuchImage: - inUseErrors = true // ExitCode is expected - case storage.ErrImageUsedByContainer: - inUseErrors = true // Important for exit codes in Podman. - return errors.New( - fmt.Sprintf("A container associated with containers/storage, i.e. via Buildah, CRI-O, etc., may be associated with this image: %-12.12s\n", img.ID())) - case define.ErrImageInUse: - inUseErrors = true - return err - default: - otherErrors = true // Important for exit codes in Podman. + if err != nil { return err } - report.Deleted = append(report.Deleted, results.Deleted) report.Untagged = append(report.Untagged, results.Untagged...) return nil @@ -495,9 +494,7 @@ func (ir *ImageEngine) Remove(ctx context.Context, images []string, opts entitie for { storageImages, err := ir.Libpod.ImageRuntime().GetRWImages() if err != nil { - deleteError = multierror.Append(deleteError, - errors.Wrapf(err, "unable to query local images")) - otherErrors = true // Important for exit codes in Podman. + rmErrors = append(rmErrors, err) return } // No images (left) to remove, so we're done. @@ -506,9 +503,7 @@ func (ir *ImageEngine) Remove(ctx context.Context, images []string, opts entitie } // Prevent infinity loops by making a delete-progress check. if previousImages == len(storageImages) { - otherErrors = true // Important for exit codes in Podman. - deleteError = multierror.Append(deleteError, - errors.New("unable to delete all images, check errors and re-run image removal if needed")) + rmErrors = append(rmErrors, errors.New("unable to delete all images, check errors and re-run image removal if needed")) break } previousImages = len(storageImages) @@ -516,15 +511,15 @@ func (ir *ImageEngine) Remove(ctx context.Context, images []string, opts entitie for _, img := range storageImages { isParent, err := img.IsParent(ctx) if err != nil { - otherErrors = true // Important for exit codes in Podman. - deleteError = multierror.Append(deleteError, err) + rmErrors = append(rmErrors, err) + continue } // Skip parent images. if isParent { continue } if err := deleteImage(img); err != nil { - deleteError = multierror.Append(deleteError, err) + rmErrors = append(rmErrors, err) } } } @@ -535,21 +530,13 @@ func (ir *ImageEngine) Remove(ctx context.Context, images []string, opts entitie // Delete only the specified images. for _, id := range images { img, err := ir.Libpod.ImageRuntime().NewFromLocal(id) - switch errors.Cause(err) { - case nil: - break - case image.ErrNoSuchImage: - noSuchImageErrors = true // Important for exit codes in Podman. - fallthrough - default: - deleteError = multierror.Append(deleteError, errors.Wrapf(err, "failed to remove image '%s'", id)) + if err != nil { + rmErrors = append(rmErrors, err) continue } - err = deleteImage(img) if err != nil { - otherErrors = true // Important for exit codes in Podman. - deleteError = multierror.Append(deleteError, err) + rmErrors = append(rmErrors, err) } } diff --git a/pkg/domain/infra/abi/network.go b/pkg/domain/infra/abi/network.go new file mode 100644 index 000000000..5c39b5374 --- /dev/null +++ b/pkg/domain/infra/abi/network.go @@ -0,0 +1,258 @@ +package abi + +import ( + "context" + "encoding/json" + "fmt" + "io/ioutil" + "path/filepath" + + cniversion "github.com/containernetworking/cni/pkg/version" + "github.com/containers/libpod/libpod" + "github.com/containers/libpod/pkg/domain/entities" + "github.com/containers/libpod/pkg/network" + "github.com/containers/libpod/pkg/util" + "github.com/pkg/errors" +) + +func getCNIConfDir(r *libpod.Runtime) (string, error) { + config, err := r.GetConfig() + if err != nil { + return "", err + } + configPath := config.Network.NetworkConfigDir + + if len(config.Network.NetworkConfigDir) < 1 { + configPath = network.CNIConfigDir + } + return configPath, nil +} + +func (ic *ContainerEngine) NetworkList(ctx context.Context, options entities.NetworkListOptions) ([]*entities.NetworkListReport, error) { + var reports []*entities.NetworkListReport + cniConfigPath, err := getCNIConfDir(ic.Libpod) + if err != nil { + return nil, err + } + networks, err := network.LoadCNIConfsFromDir(cniConfigPath) + if err != nil { + return nil, err + } + + for _, n := range networks { + reports = append(reports, &entities.NetworkListReport{NetworkConfigList: n}) + } + return reports, nil +} + +func (ic *ContainerEngine) NetworkInspect(ctx context.Context, namesOrIds []string, options entities.NetworkInspectOptions) ([]entities.NetworkInspectReport, error) { + var ( + rawCNINetworks []entities.NetworkInspectReport + ) + for _, name := range namesOrIds { + rawList, err := network.InspectNetwork(name) + if err != nil { + return nil, err + } + rawCNINetworks = append(rawCNINetworks, rawList) + } + return rawCNINetworks, nil +} + +func (ic *ContainerEngine) NetworkRm(ctx context.Context, namesOrIds []string, options entities.NetworkRmOptions) ([]*entities.NetworkRmReport, error) { + var reports []*entities.NetworkRmReport + for _, name := range namesOrIds { + report := entities.NetworkRmReport{Name: name} + containers, err := ic.Libpod.GetAllContainers() + if err != nil { + return reports, err + } + // We need to iterate containers looking to see if they belong to the given network + for _, c := range containers { + if util.StringInSlice(name, c.Config().Networks) { + // if user passes force, we nuke containers + if !options.Force { + // Without the force option, we return an error + return reports, errors.Errorf("%q has associated containers with it. Use -f to forcibly delete containers", name) + } + if err := ic.Libpod.RemoveContainer(ctx, c, true, true); err != nil { + return reports, err + } + } + } + if err := network.RemoveNetwork(name); err != nil { + report.Err = err + } + reports = append(reports, &report) + } + return reports, nil +} + +func (ic *ContainerEngine) NetworkCreate(ctx context.Context, name string, options entities.NetworkCreateOptions) (*entities.NetworkCreateReport, error) { + var ( + err error + fileName string + ) + if len(options.MacVLAN) > 0 { + fileName, err = createMacVLAN(ic.Libpod, name, options) + } else { + fileName, err = createBridge(ic.Libpod, name, options) + } + if err != nil { + return nil, err + } + return &entities.NetworkCreateReport{Filename: fileName}, nil +} + +// createBridge creates a CNI network +func createBridge(r *libpod.Runtime, name string, options entities.NetworkCreateOptions) (string, error) { + isGateway := true + ipMasq := true + subnet := &options.Subnet + ipRange := options.Range + runtimeConfig, err := r.GetConfig() + if err != nil { + return "", err + } + // if range is provided, make sure it is "in" network + if subnet.IP != nil { + // if network is provided, does it conflict with existing CNI or live networks + err = network.ValidateUserNetworkIsAvailable(subnet) + } else { + // if no network is provided, figure out network + subnet, err = network.GetFreeNetwork() + } + if err != nil { + return "", err + } + gateway := options.Gateway + if gateway == nil { + // if no gateway is provided, provide it as first ip of network + gateway = network.CalcGatewayIP(subnet) + } + // if network is provided and if gateway is provided, make sure it is "in" network + if options.Subnet.IP != nil && options.Gateway != nil { + if !subnet.Contains(gateway) { + return "", errors.Errorf("gateway %s is not in valid for subnet %s", gateway.String(), subnet.String()) + } + } + if options.Internal { + isGateway = false + ipMasq = false + } + + // if a range is given, we need to ensure it is "in" the network range. + if options.Range.IP != nil { + if options.Subnet.IP == nil { + return "", errors.New("you must define a subnet range to define an ip-range") + } + firstIP, err := network.FirstIPInSubnet(&options.Range) + if err != nil { + return "", err + } + lastIP, err := network.LastIPInSubnet(&options.Range) + if err != nil { + return "", err + } + if !subnet.Contains(firstIP) || !subnet.Contains(lastIP) { + return "", errors.Errorf("the ip range %s does not fall within the subnet range %s", options.Range.String(), subnet.String()) + } + } + bridgeDeviceName, err := network.GetFreeDeviceName() + if err != nil { + return "", err + } + + if len(name) > 0 { + netNames, err := network.GetNetworkNamesFromFileSystem() + if err != nil { + return "", err + } + if util.StringInSlice(name, netNames) { + return "", errors.Errorf("the network name %s is already used", name) + } + } else { + // If no name is given, we give the name of the bridge device + name = bridgeDeviceName + } + + ncList := network.NewNcList(name, cniversion.Current()) + var plugins []network.CNIPlugins + var routes []network.IPAMRoute + + defaultRoute, err := network.NewIPAMDefaultRoute() + if err != nil { + return "", err + } + routes = append(routes, defaultRoute) + ipamConfig, err := network.NewIPAMHostLocalConf(subnet, routes, ipRange, gateway) + if err != nil { + return "", err + } + + // TODO need to iron out the role of isDefaultGW and IPMasq + bridge := network.NewHostLocalBridge(bridgeDeviceName, isGateway, false, ipMasq, ipamConfig) + plugins = append(plugins, bridge) + plugins = append(plugins, network.NewPortMapPlugin()) + plugins = append(plugins, network.NewFirewallPlugin()) + // if we find the dnsname plugin, we add configuration for it + if network.HasDNSNamePlugin(runtimeConfig.Network.CNIPluginDirs) && !options.DisableDNS { + // Note: in the future we might like to allow for dynamic domain names + plugins = append(plugins, network.NewDNSNamePlugin(network.DefaultPodmanDomainName)) + } + ncList["plugins"] = plugins + b, err := json.MarshalIndent(ncList, "", " ") + if err != nil { + return "", err + } + cniConfigPath, err := getCNIConfDir(r) + if err != nil { + return "", err + } + cniPathName := filepath.Join(cniConfigPath, fmt.Sprintf("%s.conflist", name)) + err = ioutil.WriteFile(cniPathName, b, 0644) + return cniPathName, err +} + +func createMacVLAN(r *libpod.Runtime, name string, options entities.NetworkCreateOptions) (string, error) { + var ( + plugins []network.CNIPlugins + ) + liveNetNames, err := network.GetLiveNetworkNames() + if err != nil { + return "", err + } + // Make sure the host-device exists + if !util.StringInSlice(options.MacVLAN, liveNetNames) { + return "", errors.Errorf("failed to find network interface %q", options.MacVLAN) + } + if len(name) > 0 { + netNames, err := network.GetNetworkNamesFromFileSystem() + if err != nil { + return "", err + } + if util.StringInSlice(name, netNames) { + return "", errors.Errorf("the network name %s is already used", name) + } + } else { + name, err = network.GetFreeDeviceName() + if err != nil { + return "", err + } + } + ncList := network.NewNcList(name, cniversion.Current()) + macvlan := network.NewMacVLANPlugin(options.MacVLAN) + plugins = append(plugins, macvlan) + ncList["plugins"] = plugins + b, err := json.MarshalIndent(ncList, "", " ") + if err != nil { + return "", err + } + cniConfigPath, err := getCNIConfDir(r) + if err != nil { + return "", err + } + cniPathName := filepath.Join(cniConfigPath, fmt.Sprintf("%s.conflist", name)) + err = ioutil.WriteFile(cniPathName, b, 0644) + return cniPathName, err +} diff --git a/pkg/domain/infra/abi/pods.go b/pkg/domain/infra/abi/pods.go index b286bcf0d..16c222cbd 100644 --- a/pkg/domain/infra/abi/pods.go +++ b/pkg/domain/infra/abi/pods.go @@ -243,6 +243,10 @@ func (ic *ContainerEngine) PodRm(ctx context.Context, namesOrIds []string, optio } func (ic *ContainerEngine) PodPrune(ctx context.Context, options entities.PodPruneOptions) ([]*entities.PodPruneReport, error) { + return ic.prunePodHelper(ctx) +} + +func (ic *ContainerEngine) prunePodHelper(ctx context.Context) ([]*entities.PodPruneReport, error) { var ( reports []*entities.PodPruneReport ) diff --git a/pkg/domain/infra/abi/system.go b/pkg/domain/infra/abi/system.go index e5c109ee6..ab1b282d8 100644 --- a/pkg/domain/infra/abi/system.go +++ b/pkg/domain/infra/abi/system.go @@ -175,3 +175,41 @@ func setUMask() { // nolint:deadcode,unused func checkInput() error { // nolint:deadcode,unused return nil } + +// SystemPrune removes unsed data from the system. Pruning pods, containers, volumes and images. +func (ic *ContainerEngine) SystemPrune(ctx context.Context, options entities.SystemPruneOptions) (*entities.SystemPruneReport, error) { + var systemPruneReport = new(entities.SystemPruneReport) + podPruneReport, err := ic.prunePodHelper(ctx) + if err != nil { + return nil, err + } + systemPruneReport.PodPruneReport = podPruneReport + + containerPruneReport, err := ic.pruneContainersHelper(ctx, nil) + if err != nil { + return nil, err + } + systemPruneReport.ContainerPruneReport = containerPruneReport + + results, err := ic.Libpod.ImageRuntime().PruneImages(ctx, options.All, nil) + if err != nil { + return nil, err + } + report := entities.ImagePruneReport{ + Report: entities.Report{ + Id: results, + Err: nil, + }, + } + + systemPruneReport.ImagePruneReport = &report + + if options.Volume { + volumePruneReport, err := ic.pruneVolumesHelper(ctx) + if err != nil { + return nil, err + } + systemPruneReport.VolumePruneReport = volumePruneReport + } + return systemPruneReport, nil +} diff --git a/pkg/domain/infra/abi/volumes.go b/pkg/domain/infra/abi/volumes.go index bdae4359d..91b2440df 100644 --- a/pkg/domain/infra/abi/volumes.go +++ b/pkg/domain/infra/abi/volumes.go @@ -1,5 +1,3 @@ -// +build ABISupport - package abi import ( @@ -113,6 +111,10 @@ func (ic *ContainerEngine) VolumeInspect(ctx context.Context, namesOrIds []strin } func (ic *ContainerEngine) VolumePrune(ctx context.Context, opts entities.VolumePruneOptions) ([]*entities.VolumePruneReport, error) { + return ic.pruneVolumesHelper(ctx) +} + +func (ic *ContainerEngine) pruneVolumesHelper(ctx context.Context) ([]*entities.VolumePruneReport, error) { var ( reports []*entities.VolumePruneReport ) |