diff options
Diffstat (limited to 'pkg')
-rw-r--r-- | pkg/adapter/checkpoint_restore.go | 3 | ||||
-rw-r--r-- | pkg/adapter/network.go | 147 | ||||
-rw-r--r-- | pkg/adapter/pods.go | 15 | ||||
-rw-r--r-- | pkg/adapter/runtime.go | 11 | ||||
-rw-r--r-- | pkg/adapter/runtime_remote.go | 3 | ||||
-rw-r--r-- | pkg/cgroups/cgroups.go | 73 | ||||
-rw-r--r-- | pkg/cgroups/systemd.go | 23 | ||||
-rw-r--r-- | pkg/hooks/hooks.go | 3 | ||||
-rw-r--r-- | pkg/network/config.go | 4 | ||||
-rw-r--r-- | pkg/network/network.go | 26 | ||||
-rw-r--r-- | pkg/spec/storage.go | 4 | ||||
-rw-r--r-- | pkg/util/mountOpts.go | 3 | ||||
-rw-r--r-- | pkg/util/utils.go | 29 | ||||
-rw-r--r-- | pkg/varlinkapi/images.go | 2 |
14 files changed, 311 insertions, 35 deletions
diff --git a/pkg/adapter/checkpoint_restore.go b/pkg/adapter/checkpoint_restore.go index 1cac86d12..15f9e8105 100644 --- a/pkg/adapter/checkpoint_restore.go +++ b/pkg/adapter/checkpoint_restore.go @@ -11,6 +11,7 @@ import ( "github.com/containers/libpod/libpod" "github.com/containers/libpod/libpod/image" "github.com/containers/libpod/pkg/errorhandling" + "github.com/containers/libpod/pkg/util" "github.com/containers/storage/pkg/archive" jsoniter "github.com/json-iterator/go" spec "github.com/opencontainers/runtime-spec/specs-go" @@ -112,7 +113,7 @@ func crImportCheckpoint(ctx context.Context, runtime *libpod.Runtime, input stri return nil, err } - _, err = runtime.ImageRuntime().New(ctx, config.RootfsImageName, rtc.SignaturePolicyPath, "", writer, nil, image.SigningOptions{}, false, nil) + _, err = runtime.ImageRuntime().New(ctx, config.RootfsImageName, rtc.SignaturePolicyPath, "", writer, nil, image.SigningOptions{}, nil, util.PullImageMissing) if err != nil { return nil, err } diff --git a/pkg/adapter/network.go b/pkg/adapter/network.go new file mode 100644 index 000000000..cf3a1dfdd --- /dev/null +++ b/pkg/adapter/network.go @@ -0,0 +1,147 @@ +// +build !remoteclient + +package adapter + +import ( + "encoding/json" + "fmt" + "io/ioutil" + "os" + "strings" + "text/tabwriter" + + "github.com/containernetworking/cni/libcni" + "github.com/containers/libpod/cmd/podman/cliconfig" + "github.com/containers/libpod/pkg/network" + "github.com/pkg/errors" +) + +func getCNIConfDir(r *LocalRuntime) (string, error) { + config, err := r.GetConfig() + if err != nil { + return "", err + } + configPath := config.CNIConfigDir + + if len(config.CNIConfigDir) < 1 { + configPath = network.CNIConfigDir + } + return configPath, nil +} + +// NetworkList displays summary information about CNI networks +func (r *LocalRuntime) NetworkList(cli *cliconfig.NetworkListValues) error { + cniConfigPath, err := getCNIConfDir(r) + if err != nil { + return err + } + networks, err := network.LoadCNIConfsFromDir(cniConfigPath) + if err != nil { + return err + } + // quiet means we only print the network names + if cli.Quiet { + for _, cniNetwork := range networks { + fmt.Println(cniNetwork.Name) + } + return nil + } + w := tabwriter.NewWriter(os.Stdout, 0, 0, 3, ' ', 0) + if _, err := fmt.Fprintln(w, "NAME\tVERSION\tPLUGINS"); err != nil { + return err + } + for _, cniNetwork := range networks { + if _, err := fmt.Fprintf(w, "%s\t%s\t%s\n", cniNetwork.Name, cniNetwork.CNIVersion, getCNIPlugins(cniNetwork)); err != nil { + return err + } + } + return w.Flush() +} + +// NetworkInspect displays the raw CNI configuration for one +// or more CNI networks +func (r *LocalRuntime) NetworkInspect(cli *cliconfig.NetworkInspectValues) error { + var ( + rawCNINetworks []map[string]interface{} + ) + cniConfigPath, err := getCNIConfDir(r) + if err != nil { + return err + } + for _, name := range cli.InputArgs { + b, err := readRawCNIConfByName(name, cniConfigPath) + if err != nil { + return err + } + rawList := make(map[string]interface{}) + if err := json.Unmarshal(b, &rawList); err != nil { + return fmt.Errorf("error parsing configuration list: %s", err) + } + rawCNINetworks = append(rawCNINetworks, rawList) + } + out, err := json.MarshalIndent(rawCNINetworks, "", "\t") + if err != nil { + return err + } + fmt.Printf("%s\n", out) + return nil +} + +// NetworkRemove deletes one or more CNI networks +func (r *LocalRuntime) NetworkRemove(cli *cliconfig.NetworkRmValues) error { + cniConfigPath, err := getCNIConfDir(r) + if err != nil { + return err + } + for _, name := range cli.InputArgs { + cniPath, err := getCNIConfigPathByName(name, cniConfigPath) + if err != nil { + return err + } + if err := os.Remove(cniPath); err != nil { + return err + } + fmt.Printf("Deleted: %s\n", name) + } + return nil +} + +// getCNIConfigPathByName finds a CNI network by name and +// returns its configuration file path +func getCNIConfigPathByName(name, cniConfigPath string) (string, error) { + files, err := libcni.ConfFiles(cniConfigPath, []string{".conflist"}) + if err != nil { + return "", err + } + for _, confFile := range files { + conf, err := libcni.ConfListFromFile(confFile) + if err != nil { + return "", err + } + if conf.Name == name { + return confFile, nil + } + } + return "", errors.Errorf("unable to find network configuration for %s", name) +} + +// readRawCNIConfByName reads the raw CNI configuration for a CNI +// network by name +func readRawCNIConfByName(name, cniConfigPath string) ([]byte, error) { + confFile, err := getCNIConfigPathByName(name, cniConfigPath) + if err != nil { + return nil, err + } + b, err := ioutil.ReadFile(confFile) + return b, err +} + +// getCNIPlugins returns a list of plugins that a given network +// has in the form of a string +func getCNIPlugins(list *libcni.NetworkConfigList) string { + var plugins []string + for _, plug := range list.Plugins { + plugins = append(plugins, plug.Network.Type) + } + return strings.Join(plugins, ",") +} diff --git a/pkg/adapter/pods.go b/pkg/adapter/pods.go index e25238956..ded805de2 100644 --- a/pkg/adapter/pods.go +++ b/pkg/adapter/pods.go @@ -19,6 +19,7 @@ import ( "github.com/containers/libpod/pkg/adapter/shortcuts" ns "github.com/containers/libpod/pkg/namespaces" createconfig "github.com/containers/libpod/pkg/spec" + "github.com/containers/libpod/pkg/util" "github.com/containers/storage" "github.com/cri-o/ocicni/pkg/ocicni" "github.com/ghodss/yaml" @@ -255,6 +256,10 @@ func (r *LocalRuntime) CreatePod(ctx context.Context, cli *cliconfig.PodCreateVa options = append(options, libpod.WithPodName(cli.Name)) } + if cli.Flag("hostname").Changed { + options = append(options, libpod.WithPodHostname(cli.Hostname)) + } + if cli.Infra { options = append(options, libpod.WithInfraContainer()) nsOptions, err := shared.GetNamespaceOptions(strings.Split(cli.Share, ",")) @@ -475,6 +480,12 @@ func (r *LocalRuntime) PlayKubeYAML(ctx context.Context, c *cliconfig.KubePlayVa podOptions = append(podOptions, libpod.WithPodName(podName)) // TODO for now we just used the default kernel namespaces; we need to add/subtract this from yaml + hostname := podYAML.Spec.Hostname + if hostname == "" { + hostname = podName + } + podOptions = append(podOptions, libpod.WithPodHostname(hostname)) + nsOptions, err := shared.GetNamespaceOptions(strings.Split(shared.DefaultKernelNamespaces, ",")) if err != nil { return nil, err @@ -578,7 +589,7 @@ func (r *LocalRuntime) PlayKubeYAML(ctx context.Context, c *cliconfig.KubePlayVa } for _, container := range podYAML.Spec.Containers { - newImage, err := r.ImageRuntime().New(ctx, container.Image, c.SignaturePolicy, c.Authfile, writer, &dockerRegistryOptions, image.SigningOptions{}, false, nil) + newImage, err := r.ImageRuntime().New(ctx, container.Image, c.SignaturePolicy, c.Authfile, writer, &dockerRegistryOptions, image.SigningOptions{}, nil, util.PullImageMissing) if err != nil { return nil, err } @@ -707,6 +718,8 @@ func kubeContainerToCreateConfig(ctx context.Context, containerYAML v1.Container return nil, errors.Errorf("No command specified in container YAML or as CMD or ENTRYPOINT in this image for %s", containerConfig.Name) } + containerConfig.UserCommand = containerConfig.Command + containerConfig.StopSignal = 15 // If the user does not pass in ID mappings, just set to basics diff --git a/pkg/adapter/runtime.go b/pkg/adapter/runtime.go index 03419c0bd..ba988aaf7 100644 --- a/pkg/adapter/runtime.go +++ b/pkg/adapter/runtime.go @@ -24,6 +24,7 @@ import ( "github.com/containers/libpod/libpod/events" "github.com/containers/libpod/libpod/image" "github.com/containers/libpod/pkg/rootless" + "github.com/containers/libpod/pkg/util" "github.com/containers/storage/pkg/archive" "github.com/pkg/errors" "k8s.io/api/core/v1" @@ -132,8 +133,8 @@ func (r *LocalRuntime) LoadFromArchiveReference(ctx context.Context, srcRef type } // New calls into local storage to look for an image in local storage or to pull it -func (r *LocalRuntime) New(ctx context.Context, name, signaturePolicyPath, authfile string, writer io.Writer, dockeroptions *image.DockerRegistryOptions, signingoptions image.SigningOptions, forcePull bool, label *string) (*ContainerImage, error) { - img, err := r.Runtime.ImageRuntime().New(ctx, name, signaturePolicyPath, authfile, writer, dockeroptions, signingoptions, forcePull, label) +func (r *LocalRuntime) New(ctx context.Context, name, signaturePolicyPath, authfile string, writer io.Writer, dockeroptions *image.DockerRegistryOptions, signingoptions image.SigningOptions, label *string, pullType util.PullType) (*ContainerImage, error) { + img, err := r.Runtime.ImageRuntime().New(ctx, name, signaturePolicyPath, authfile, writer, dockeroptions, signingoptions, label, pullType) if err != nil { return nil, err } @@ -288,7 +289,11 @@ func (r *LocalRuntime) Build(ctx context.Context, c *cliconfig.BuildValues, opti options.CommonBuildOpts = commonOpts options.SystemContext = systemContext - options.Runtime = r.GetOCIRuntimePath() + if c.GlobalFlags.Runtime != "" { + options.Runtime = c.GlobalFlags.Runtime + } else { + options.Runtime = r.GetOCIRuntimePath() + } if c.Quiet { options.ReportWriter = ioutil.Discard diff --git a/pkg/adapter/runtime_remote.go b/pkg/adapter/runtime_remote.go index 0cafbb2aa..420c9d0bb 100644 --- a/pkg/adapter/runtime_remote.go +++ b/pkg/adapter/runtime_remote.go @@ -26,6 +26,7 @@ import ( "github.com/containers/libpod/libpod/define" "github.com/containers/libpod/libpod/events" "github.com/containers/libpod/libpod/image" + "github.com/containers/libpod/pkg/util" "github.com/containers/libpod/utils" "github.com/containers/storage/pkg/archive" "github.com/opencontainers/go-digest" @@ -272,7 +273,7 @@ func (r *LocalRuntime) LoadFromArchiveReference(ctx context.Context, srcRef type } // New calls into local storage to look for an image in local storage or to pull it -func (r *LocalRuntime) New(ctx context.Context, name, signaturePolicyPath, authfile string, writer io.Writer, dockeroptions *image.DockerRegistryOptions, signingoptions image.SigningOptions, forcePull bool, label *string) (*ContainerImage, error) { +func (r *LocalRuntime) New(ctx context.Context, name, signaturePolicyPath, authfile string, writer io.Writer, dockeroptions *image.DockerRegistryOptions, signingoptions image.SigningOptions, label *string, pullType util.PullType) (*ContainerImage, error) { var iid string if label != nil { return nil, errors.New("the remote client function does not support checking a remote image for a label") diff --git a/pkg/cgroups/cgroups.go b/pkg/cgroups/cgroups.go index f2c6b548e..085718855 100644 --- a/pkg/cgroups/cgroups.go +++ b/pkg/cgroups/cgroups.go @@ -10,6 +10,8 @@ import ( "strconv" "strings" + systemdDbus "github.com/coreos/go-systemd/dbus" + "github.com/godbus/dbus" spec "github.com/opencontainers/runtime-spec/specs-go" "github.com/pkg/errors" "github.com/sirupsen/logrus" @@ -352,7 +354,56 @@ func (c *CgroupControl) CreateSystemdUnit(path string) error { if !c.systemd { return fmt.Errorf("the cgroup controller is not using systemd") } - return systemdCreate(path) + + conn, err := systemdDbus.New() + if err != nil { + return err + } + defer conn.Close() + + return systemdCreate(path, conn) +} + +// GetUserConnection returns an user connection to D-BUS +func GetUserConnection(uid int) (*systemdDbus.Conn, error) { + return systemdDbus.NewConnection(func() (*dbus.Conn, error) { + return dbusAuthConnection(uid, dbus.SessionBusPrivate) + }) +} + +// CreateSystemdUserUnit creates the systemd cgroup for the specified user +func (c *CgroupControl) CreateSystemdUserUnit(path string, uid int) error { + if !c.systemd { + return fmt.Errorf("the cgroup controller is not using systemd") + } + + conn, err := GetUserConnection(uid) + if err != nil { + return err + } + defer conn.Close() + + return systemdCreate(path, conn) +} + +func dbusAuthConnection(uid int, createBus func(opts ...dbus.ConnOption) (*dbus.Conn, error)) (*dbus.Conn, error) { + conn, err := createBus() + if err != nil { + return nil, err + } + + methods := []dbus.Auth{dbus.AuthExternal(strconv.Itoa(uid))} + + err = conn.Auth(methods) + if err != nil { + conn.Close() + return nil, err + } + if err := conn.Hello(); err != nil { + return nil, err + } + + return conn, nil } // Delete cleans a cgroup @@ -386,10 +437,11 @@ func rmDirRecursively(path string) error { return nil } -// DeleteByPath deletes the specified cgroup path -func (c *CgroupControl) DeleteByPath(path string) error { +// DeleteByPathConn deletes the specified cgroup path using the specified +// dbus connection if needed. +func (c *CgroupControl) DeleteByPathConn(path string, conn *systemdDbus.Conn) error { if c.systemd { - return systemdDestroy(path) + return systemdDestroyConn(path, conn) } if c.cgroup2 { return rmDirRecursively(filepath.Join(cgroupRoot, c.path)) @@ -413,6 +465,19 @@ func (c *CgroupControl) DeleteByPath(path string) error { return lastError } +// DeleteByPath deletes the specified cgroup path +func (c *CgroupControl) DeleteByPath(path string) error { + if c.systemd { + conn, err := systemdDbus.New() + if err != nil { + return err + } + defer conn.Close() + return c.DeleteByPathConn(path, conn) + } + return c.DeleteByPathConn(path, nil) +} + // Update updates the cgroups func (c *CgroupControl) Update(resources *spec.LinuxResources) error { for _, h := range handlers { diff --git a/pkg/cgroups/systemd.go b/pkg/cgroups/systemd.go index e72e456bc..b8e6db156 100644 --- a/pkg/cgroups/systemd.go +++ b/pkg/cgroups/systemd.go @@ -9,13 +9,7 @@ import ( "github.com/godbus/dbus" ) -func systemdCreate(path string) error { - c, err := systemdDbus.New() - if err != nil { - return err - } - defer c.Close() - +func systemdCreate(path string, c *systemdDbus.Conn) error { slice, name := filepath.Split(path) slice = strings.TrimSuffix(slice, "/") @@ -43,7 +37,7 @@ func systemdCreate(path string) error { } ch := make(chan string) - _, err = c.StartTransientUnit(name, "replace", properties, ch) + _, err := c.StartTransientUnit(name, "replace", properties, ch) if err != nil { lastError = err continue @@ -55,7 +49,7 @@ func systemdCreate(path string) error { } /* - systemdDestroy is copied from containerd/cgroups/systemd.go file, that + systemdDestroyConn is copied from containerd/cgroups/systemd.go file, that has the following license: Copyright The containerd Authors. @@ -72,18 +66,11 @@ func systemdCreate(path string) error { See the License for the specific language governing permissions and limitations under the License. */ - -func systemdDestroy(path string) error { - c, err := systemdDbus.New() - if err != nil { - return err - } - defer c.Close() - +func systemdDestroyConn(path string, c *systemdDbus.Conn) error { name := filepath.Base(path) ch := make(chan string) - _, err = c.StopUnit(name, "replace", ch) + _, err := c.StopUnit(name, "replace", ch) if err != nil { return err } diff --git a/pkg/hooks/hooks.go b/pkg/hooks/hooks.go index b962ffa5c..0d26bf4af 100644 --- a/pkg/hooks/hooks.go +++ b/pkg/hooks/hooks.go @@ -4,6 +4,7 @@ package hooks import ( "context" "fmt" + "os" "sort" "strings" "sync" @@ -56,7 +57,7 @@ func New(ctx context.Context, directories []string, extensionStages []string) (m for _, dir := range directories { err = ReadDir(dir, manager.extensionStages, manager.hooks) - if err != nil { + if err != nil && !os.IsNotExist(err) { return nil, err } } diff --git a/pkg/network/config.go b/pkg/network/config.go new file mode 100644 index 000000000..d282f66b6 --- /dev/null +++ b/pkg/network/config.go @@ -0,0 +1,4 @@ +package network + +// CNIConfigDir is the path where CNI config files exist +const CNIConfigDir = "/etc/cni/net.d" diff --git a/pkg/network/network.go b/pkg/network/network.go new file mode 100644 index 000000000..9d04340a3 --- /dev/null +++ b/pkg/network/network.go @@ -0,0 +1,26 @@ +package network + +import ( + "sort" + + "github.com/containernetworking/cni/libcni" +) + +// LoadCNIConfsFromDir loads all the CNI configurations from a dir +func LoadCNIConfsFromDir(dir string) ([]*libcni.NetworkConfigList, error) { + var configs []*libcni.NetworkConfigList + files, err := libcni.ConfFiles(dir, []string{".conflist"}) + if err != nil { + return nil, err + } + sort.Strings(files) + + for _, confFile := range files { + conf, err := libcni.ConfListFromFile(confFile) + if err != nil { + return nil, err + } + configs = append(configs, conf) + } + return configs, nil +} diff --git a/pkg/spec/storage.go b/pkg/spec/storage.go index a8dc7f4a8..b634f4cac 100644 --- a/pkg/spec/storage.go +++ b/pkg/spec/storage.go @@ -168,14 +168,14 @@ func (config *CreateConfig) parseVolumes(runtime *libpod.Runtime) ([]spec.Mount, "/run": false, } if config.ReadOnlyRootfs && config.ReadOnlyTmpfs { - options := []string{"rw", "rprivate", "nosuid", "nodev", "tmpcopyup", "size=65536k"} + options := []string{"rw", "rprivate", "nosuid", "nodev", "tmpcopyup"} for dest := range readonlyTmpfs { if _, ok := baseMounts[dest]; ok { continue } localOpts := options if dest == "/run" { - localOpts = append(localOpts, "noexec") + localOpts = append(localOpts, "noexec", "size=65536k") } baseMounts[dest] = spec.Mount{ Destination: dest, diff --git a/pkg/util/mountOpts.go b/pkg/util/mountOpts.go index 40c99384d..9b2c734c0 100644 --- a/pkg/util/mountOpts.go +++ b/pkg/util/mountOpts.go @@ -92,9 +92,6 @@ func ProcessTmpfsOptions(options []string) ([]string, error) { if !foundWrite { baseOpts = append(baseOpts, "rw") } - if !foundSize { - baseOpts = append(baseOpts, "size=65536k") - } if !foundProp { baseOpts = append(baseOpts, "rprivate") } diff --git a/pkg/util/utils.go b/pkg/util/utils.go index 520e41438..3f73639e7 100644 --- a/pkg/util/utils.go +++ b/pkg/util/utils.go @@ -356,3 +356,32 @@ func OpenExclusiveFile(path string) (*os.File, error) { } return os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0666) } + +// PullType whether to pull new image +type PullType int + +const ( + // PullImageAlways always try to pull new image when create or run + PullImageAlways PullType = iota + // PullImageMissing pulls image if it is not locally + PullImageMissing + // PullImageNever will never pull new image + PullImageNever +) + +// ValidatePullType check if the pullType from CLI is valid and returns the valid enum type +// if the value from CLI is invalid returns the error +func ValidatePullType(pullType string) (PullType, error) { + switch pullType { + case "always": + return PullImageAlways, nil + case "missing": + return PullImageMissing, nil + case "never": + return PullImageNever, nil + case "": + return PullImageMissing, nil + default: + return PullImageMissing, errors.Errorf("invalid pull type %q", pullType) + } +} diff --git a/pkg/varlinkapi/images.go b/pkg/varlinkapi/images.go index b5a711dfd..fe7f11b4d 100644 --- a/pkg/varlinkapi/images.go +++ b/pkg/varlinkapi/images.go @@ -658,7 +658,7 @@ func (i *LibpodAPI) PullImage(call iopodman.VarlinkCall, name string) error { imageID = newImage[0].ID() } } else { - newImage, err := i.Runtime.ImageRuntime().New(getContext(), name, "", "", output, &dockerRegistryOptions, so, false, nil) + newImage, err := i.Runtime.ImageRuntime().New(getContext(), name, "", "", output, &dockerRegistryOptions, so, nil, util.PullImageMissing) if err != nil { foundError = true c <- errors.Wrapf(err, "unable to pull %s", name) |