diff options
Diffstat (limited to 'pkg')
-rw-r--r-- | pkg/bindings/images/images.go | 4 | ||||
-rw-r--r-- | pkg/domain/entities/engine_container.go | 1 | ||||
-rw-r--r-- | pkg/domain/entities/engine_image.go | 2 | ||||
-rw-r--r-- | pkg/domain/entities/generate.go | 22 | ||||
-rw-r--r-- | pkg/domain/entities/images.go | 8 | ||||
-rw-r--r-- | pkg/domain/entities/types.go | 10 | ||||
-rw-r--r-- | pkg/domain/infra/abi/containers.go | 2 | ||||
-rw-r--r-- | pkg/domain/infra/abi/generate.go | 174 | ||||
-rw-r--r-- | pkg/domain/infra/abi/images.go | 31 | ||||
-rw-r--r-- | pkg/domain/infra/abi/pods.go | 2 | ||||
-rw-r--r-- | pkg/domain/infra/tunnel/generate.go | 12 | ||||
-rw-r--r-- | pkg/domain/infra/tunnel/images.go | 14 | ||||
-rw-r--r-- | pkg/rootless/rootless_linux.c | 48 | ||||
-rw-r--r-- | pkg/spec/spec.go | 9 | ||||
-rw-r--r-- | pkg/specgen/generate/container_create.go | 1 |
15 files changed, 280 insertions, 60 deletions
diff --git a/pkg/bindings/images/images.go b/pkg/bindings/images/images.go index 06f01c7a0..2305e0101 100644 --- a/pkg/bindings/images/images.go +++ b/pkg/bindings/images/images.go @@ -57,7 +57,7 @@ func List(ctx context.Context, all *bool, filters map[string][]string) ([]*entit // Get performs an image inspect. To have the on-disk size of the image calculated, you can // use the optional size parameter. -func GetImage(ctx context.Context, nameOrID string, size *bool) (*entities.ImageData, error) { +func GetImage(ctx context.Context, nameOrID string, size *bool) (*entities.ImageInspectReport, error) { conn, err := bindings.GetClient(ctx) if err != nil { return nil, err @@ -66,7 +66,7 @@ func GetImage(ctx context.Context, nameOrID string, size *bool) (*entities.Image if size != nil { params.Set("size", strconv.FormatBool(*size)) } - inspectedData := entities.ImageData{} + inspectedData := entities.ImageInspectReport{} response, err := conn.DoRequest(nil, http.MethodGet, "/images/%s/json", params, nameOrID) if err != nil { return &inspectedData, err diff --git a/pkg/domain/entities/engine_container.go b/pkg/domain/entities/engine_container.go index 502279bcf..eebf4c033 100644 --- a/pkg/domain/entities/engine_container.go +++ b/pkg/domain/entities/engine_container.go @@ -41,6 +41,7 @@ type ContainerEngine interface { ContainerUnpause(ctx context.Context, namesOrIds []string, options PauseUnPauseOptions) ([]*PauseUnpauseReport, error) ContainerWait(ctx context.Context, namesOrIds []string, options WaitOptions) ([]WaitReport, error) Events(ctx context.Context, opts EventsOptions) error + GenerateSystemd(ctx context.Context, nameOrID string, opts GenerateSystemdOptions) (*GenerateSystemdReport, error) HealthCheckRun(ctx context.Context, nameOrId string, options HealthCheckOptions) (*define.HealthCheckResults, error) Info(ctx context.Context) (*define.Info, error) PodCreate(ctx context.Context, opts PodCreateOptions) (*PodCreateReport, error) diff --git a/pkg/domain/entities/engine_image.go b/pkg/domain/entities/engine_image.go index b118a4104..46a96ca20 100644 --- a/pkg/domain/entities/engine_image.go +++ b/pkg/domain/entities/engine_image.go @@ -13,7 +13,7 @@ type ImageEngine interface { Exists(ctx context.Context, nameOrId string) (*BoolReport, error) History(ctx context.Context, nameOrId string, opts ImageHistoryOptions) (*ImageHistoryReport, error) Import(ctx context.Context, opts ImageImportOptions) (*ImageImportReport, error) - Inspect(ctx context.Context, names []string, opts InspectOptions) (*ImageInspectReport, error) + Inspect(ctx context.Context, namesOrIDs []string, opts InspectOptions) ([]*ImageInspectReport, error) List(ctx context.Context, opts ImageListOptions) ([]*ImageSummary, error) Load(ctx context.Context, opts ImageLoadOptions) (*ImageLoadReport, error) Prune(ctx context.Context, opts ImagePruneOptions) (*ImagePruneReport, error) diff --git a/pkg/domain/entities/generate.go b/pkg/domain/entities/generate.go new file mode 100644 index 000000000..6d65b52f8 --- /dev/null +++ b/pkg/domain/entities/generate.go @@ -0,0 +1,22 @@ +package entities + +// GenerateSystemdOptions control the generation of systemd unit files. +type GenerateSystemdOptions struct { + // Files - generate files instead of printing to stdout. + Files bool + // Name - use container/pod name instead of its ID. + Name bool + // New - create a new container instead of starting a new one. + New bool + // RestartPolicy - systemd restart policy. + RestartPolicy string + // StopTimeout - time when stopping the container. + StopTimeout *uint +} + +// GenerateSystemdReport +type GenerateSystemdReport struct { + // Output of the generate process. Either the generated files or their + // entire content. + Output string +} diff --git a/pkg/domain/entities/images.go b/pkg/domain/entities/images.go index 460965b34..707937a44 100644 --- a/pkg/domain/entities/images.go +++ b/pkg/domain/entities/images.go @@ -238,13 +238,9 @@ type ImagePruneReport struct { type ImageTagOptions struct{} type ImageUntagOptions struct{} -type ImageData struct { - *inspect.ImageData -} - +// ImageInspectReport is the data when inspecting an image. type ImageInspectReport struct { - Images []*ImageData - Errors map[string]error + *inspect.ImageData } type ImageLoadOptions struct { diff --git a/pkg/domain/entities/types.go b/pkg/domain/entities/types.go index d742cc53d..9fbe04c9a 100644 --- a/pkg/domain/entities/types.go +++ b/pkg/domain/entities/types.go @@ -47,10 +47,14 @@ type NetOptions struct { // All CLI inspect commands and inspect sub-commands use the same options type InspectOptions struct { + // Format - change the output to JSON or a Go template. Format string `json:",omitempty"` - Latest bool `json:",omitempty"` - Size bool `json:",omitempty"` - Type string `json:",omitempty"` + // Latest - inspect the latest container Podman is aware of. + Latest bool `json:",omitempty"` + // Size (containers only) - display total file size. + Size bool `json:",omitempty"` + // Type -- return JSON for specified type. + Type string `json:",omitempty"` } // All API and CLI diff commands and diff sub-commands use the same options diff --git a/pkg/domain/infra/abi/containers.go b/pkg/domain/infra/abi/containers.go index 286d37c34..4c3389418 100644 --- a/pkg/domain/infra/abi/containers.go +++ b/pkg/domain/infra/abi/containers.go @@ -949,7 +949,7 @@ func (ic *ContainerEngine) Config(_ context.Context) (*config.Config, error) { func (ic *ContainerEngine) ContainerPort(ctx context.Context, nameOrId string, options entities.ContainerPortOptions) ([]*entities.ContainerPortReport, error) { var reports []*entities.ContainerPortReport - ctrs, err := getContainersByContext(options.All, false, []string{nameOrId}, ic.Libpod) + ctrs, err := getContainersByContext(options.All, options.Latest, []string{nameOrId}, ic.Libpod) if err != nil { return nil, err } diff --git a/pkg/domain/infra/abi/generate.go b/pkg/domain/infra/abi/generate.go new file mode 100644 index 000000000..f69ba560e --- /dev/null +++ b/pkg/domain/infra/abi/generate.go @@ -0,0 +1,174 @@ +package abi + +import ( + "context" + "fmt" + "strings" + + "github.com/containers/libpod/libpod" + "github.com/containers/libpod/pkg/domain/entities" + "github.com/containers/libpod/pkg/systemd/generate" + "github.com/pkg/errors" +) + +func (ic *ContainerEngine) GenerateSystemd(ctx context.Context, nameOrID string, options entities.GenerateSystemdOptions) (*entities.GenerateSystemdReport, error) { + opts := generate.Options{ + Files: options.Files, + New: options.New, + } + + // First assume it's a container. + if info, found, err := ic.generateSystemdgenContainerInfo(nameOrID, nil, options); found && err != nil { + return nil, err + } else if found && err == nil { + output, err := generate.CreateContainerSystemdUnit(info, opts) + if err != nil { + return nil, err + } + return &entities.GenerateSystemdReport{Output: output}, nil + } + + // --new does not support pods. + if options.New { + return nil, errors.Errorf("error generating systemd unit files: cannot generate generic files for a pod") + } + + // We're either having a pod or garbage. + pod, err := ic.Libpod.LookupPod(nameOrID) + if err != nil { + return nil, err + } + + // Error out if the pod has no infra container, which we require to be the + // main service. + if !pod.HasInfraContainer() { + return nil, fmt.Errorf("error generating systemd unit files: Pod %q has no infra container", pod.Name()) + } + + // Generate a systemdgen.ContainerInfo for the infra container. This + // ContainerInfo acts as the main service of the pod. + infraID, err := pod.InfraContainerID() + if err != nil { + return nil, nil + } + podInfo, _, err := ic.generateSystemdgenContainerInfo(infraID, pod, options) + if err != nil { + return nil, err + } + + // Compute the container-dependency graph for the Pod. + containers, err := pod.AllContainers() + if err != nil { + return nil, err + } + if len(containers) == 0 { + return nil, fmt.Errorf("error generating systemd unit files: Pod %q has no containers", pod.Name()) + } + graph, err := libpod.BuildContainerGraph(containers) + if err != nil { + return nil, err + } + + // Traverse the dependency graph and create systemdgen.ContainerInfo's for + // each container. + containerInfos := []*generate.ContainerInfo{podInfo} + for ctr, dependencies := range graph.DependencyMap() { + // Skip the infra container as we already generated it. + if ctr.ID() == infraID { + continue + } + ctrInfo, _, err := ic.generateSystemdgenContainerInfo(ctr.ID(), nil, options) + if err != nil { + return nil, err + } + // Now add the container's dependencies and at the container as a + // required service of the infra container. + for _, dep := range dependencies { + if dep.ID() == infraID { + ctrInfo.BoundToServices = append(ctrInfo.BoundToServices, podInfo.ServiceName) + } else { + _, serviceName := generateServiceName(dep, nil, options) + ctrInfo.BoundToServices = append(ctrInfo.BoundToServices, serviceName) + } + } + podInfo.RequiredServices = append(podInfo.RequiredServices, ctrInfo.ServiceName) + containerInfos = append(containerInfos, ctrInfo) + } + + // Now generate the systemd service for all containers. + builder := strings.Builder{} + for i, info := range containerInfos { + if i > 0 { + builder.WriteByte('\n') + } + out, err := generate.CreateContainerSystemdUnit(info, opts) + if err != nil { + return nil, err + } + builder.WriteString(out) + } + + return &entities.GenerateSystemdReport{Output: builder.String()}, nil +} + +// generateSystemdgenContainerInfo is a helper to generate a +// systemdgen.ContainerInfo for `GenerateSystemd`. +func (ic *ContainerEngine) generateSystemdgenContainerInfo(nameOrID string, pod *libpod.Pod, options entities.GenerateSystemdOptions) (*generate.ContainerInfo, bool, error) { + ctr, err := ic.Libpod.LookupContainer(nameOrID) + if err != nil { + return nil, false, err + } + + timeout := ctr.StopTimeout() + if options.StopTimeout != nil { + timeout = *options.StopTimeout + } + + config := ctr.Config() + conmonPidFile := config.ConmonPidFile + if conmonPidFile == "" { + return nil, true, errors.Errorf("conmon PID file path is empty, try to recreate the container with --conmon-pidfile flag") + } + + createCommand := []string{} + if config.CreateCommand != nil { + createCommand = config.CreateCommand + } else if options.New { + return nil, true, errors.Errorf("cannot use --new on container %q: no create command found", nameOrID) + } + + name, serviceName := generateServiceName(ctr, pod, options) + info := &generate.ContainerInfo{ + ServiceName: serviceName, + ContainerName: name, + RestartPolicy: options.RestartPolicy, + PIDFile: conmonPidFile, + StopTimeout: timeout, + GenerateTimestamp: true, + CreateCommand: createCommand, + } + + return info, true, nil +} + +// generateServiceName generates the container name and the service name for systemd service. +func generateServiceName(ctr *libpod.Container, pod *libpod.Pod, options entities.GenerateSystemdOptions) (string, string) { + var kind, name, ctrName string + if pod == nil { + kind = "container" + name = ctr.ID() + if options.Name { + name = ctr.Name() + } + ctrName = name + } else { + kind = "pod" + name = pod.ID() + ctrName = ctr.ID() + if options.Name { + name = pod.Name() + ctrName = ctr.Name() + } + } + return ctrName, fmt.Sprintf("%s-%s", kind, name) +} diff --git a/pkg/domain/infra/abi/images.go b/pkg/domain/infra/abi/images.go index 7ac111745..7c63276e5 100644 --- a/pkg/domain/infra/abi/images.go +++ b/pkg/domain/infra/abi/images.go @@ -170,29 +170,24 @@ func (ir *ImageEngine) Pull(ctx context.Context, rawImage string, options entiti return &entities.ImagePullReport{Images: foundIDs}, nil } -func (ir *ImageEngine) Inspect(ctx context.Context, names []string, opts entities.InspectOptions) (*entities.ImageInspectReport, error) { - report := entities.ImageInspectReport{ - Errors: make(map[string]error), - } - - for _, id := range names { - img, err := ir.Libpod.ImageRuntime().NewFromLocal(id) +func (ir *ImageEngine) Inspect(ctx context.Context, namesOrIDs []string, opts entities.InspectOptions) ([]*entities.ImageInspectReport, error) { + reports := []*entities.ImageInspectReport{} + for _, i := range namesOrIDs { + img, err := ir.Libpod.ImageRuntime().NewFromLocal(i) if err != nil { - report.Errors[id] = err - continue + return nil, err } - - results, err := img.Inspect(ctx) + result, err := img.Inspect(ctx) if err != nil { - report.Errors[id] = err - continue + return nil, err } - - cookedResults := entities.ImageData{} - _ = domainUtils.DeepCopy(&cookedResults, results) - report.Images = append(report.Images, &cookedResults) + report := entities.ImageInspectReport{} + if err := domainUtils.DeepCopy(&report, result); err != nil { + return nil, err + } + reports = append(reports, &report) } - return &report, nil + return reports, nil } func (ir *ImageEngine) Push(ctx context.Context, source string, destination string, options entities.ImagePushOptions) error { diff --git a/pkg/domain/infra/abi/pods.go b/pkg/domain/infra/abi/pods.go index 7c06f9a4e..b286bcf0d 100644 --- a/pkg/domain/infra/abi/pods.go +++ b/pkg/domain/infra/abi/pods.go @@ -236,8 +236,6 @@ func (ic *ContainerEngine) PodRm(ctx context.Context, namesOrIds []string, optio err := ic.Libpod.RemovePod(ctx, p, true, options.Force) if err != nil { report.Err = err - reports = append(reports, &report) - continue } reports = append(reports, &report) } diff --git a/pkg/domain/infra/tunnel/generate.go b/pkg/domain/infra/tunnel/generate.go new file mode 100644 index 000000000..3cd483053 --- /dev/null +++ b/pkg/domain/infra/tunnel/generate.go @@ -0,0 +1,12 @@ +package tunnel + +import ( + "context" + + "github.com/containers/libpod/pkg/domain/entities" + "github.com/pkg/errors" +) + +func (ic *ContainerEngine) GenerateSystemd(ctx context.Context, nameOrID string, options entities.GenerateSystemdOptions) (*entities.GenerateSystemdReport, error) { + return nil, errors.New("not implemented for tunnel") +} diff --git a/pkg/domain/infra/tunnel/images.go b/pkg/domain/infra/tunnel/images.go index 66e4e6e3f..dcc5fc3e7 100644 --- a/pkg/domain/infra/tunnel/images.go +++ b/pkg/domain/infra/tunnel/images.go @@ -143,16 +143,16 @@ func (ir *ImageEngine) Untag(ctx context.Context, nameOrId string, tags []string return nil } -func (ir *ImageEngine) Inspect(_ context.Context, names []string, opts entities.InspectOptions) (*entities.ImageInspectReport, error) { - report := entities.ImageInspectReport{} - for _, id := range names { - r, err := images.GetImage(ir.ClientCxt, id, &opts.Size) +func (ir *ImageEngine) Inspect(ctx context.Context, namesOrIDs []string, opts entities.InspectOptions) ([]*entities.ImageInspectReport, error) { + reports := []*entities.ImageInspectReport{} + for _, i := range namesOrIDs { + r, err := images.GetImage(ir.ClientCxt, i, &opts.Size) if err != nil { - report.Errors[id] = err + return nil, err } - report.Images = append(report.Images, r) + reports = append(reports, r) } - return &report, nil + return reports, nil } func (ir *ImageEngine) Load(ctx context.Context, opts entities.ImageLoadOptions) (*entities.ImageLoadReport, error) { diff --git a/pkg/rootless/rootless_linux.c b/pkg/rootless/rootless_linux.c index 72d461cdc..716db81dc 100644 --- a/pkg/rootless/rootless_linux.c +++ b/pkg/rootless/rootless_linux.c @@ -535,32 +535,30 @@ create_pause_process (const char *pause_pid_file_path, char **argv) } } -static void -join_namespace_or_die (int pid_to_join, const char *ns_file) +static int +open_namespace (int pid_to_join, const char *ns_file) { char ns_path[PATH_MAX]; int ret; - int fd; ret = snprintf (ns_path, PATH_MAX, "/proc/%d/ns/%s", pid_to_join, ns_file); if (ret == PATH_MAX) { fprintf (stderr, "internal error: namespace path too long\n"); - _exit (EXIT_FAILURE); + return -1; } - fd = open (ns_path, O_CLOEXEC | O_RDONLY); - if (fd < 0) - { - fprintf (stderr, "cannot open: %s\n", ns_path); - _exit (EXIT_FAILURE); - } - if (setns (fd, 0) < 0) + return open (ns_path, O_CLOEXEC | O_RDONLY); +} + +static void +join_namespace_or_die (const char *name, int ns_fd) +{ + if (setns (ns_fd, 0) < 0) { - fprintf (stderr, "cannot set namespace to %s: %s\n", ns_path, strerror (errno)); + fprintf (stderr, "cannot set %s namespace\n", name); _exit (EXIT_FAILURE); } - close (fd); } int @@ -570,6 +568,8 @@ reexec_userns_join (int pid_to_join, char *pause_pid_file_path) char gid[16]; char **argv; int pid; + int mnt_ns = -1; + int user_ns = -1; char *cwd = getcwd (NULL, 0); sigset_t sigset, oldsigset; @@ -589,14 +589,28 @@ reexec_userns_join (int pid_to_join, char *pause_pid_file_path) _exit (EXIT_FAILURE); } + user_ns = open_namespace (pid_to_join, "user"); + if (user_ns < 0) + return user_ns; + mnt_ns = open_namespace (pid_to_join, "mnt"); + if (mnt_ns < 0) + { + close (user_ns); + return mnt_ns; + } + pid = fork (); if (pid < 0) fprintf (stderr, "cannot fork: %s\n", strerror (errno)); if (pid) { - /* We passed down these fds, close them. */ int f; + + /* We passed down these fds, close them. */ + close (user_ns); + close (mnt_ns); + for (f = 3; f < open_files_max_fd; f++) if (open_files_set == NULL || FD_ISSET (f % FD_SETSIZE, &(open_files_set[f / FD_SETSIZE]))) close (f); @@ -634,8 +648,10 @@ reexec_userns_join (int pid_to_join, char *pause_pid_file_path) _exit (EXIT_FAILURE); } - join_namespace_or_die (pid_to_join, "user"); - join_namespace_or_die (pid_to_join, "mnt"); + join_namespace_or_die ("user", user_ns); + join_namespace_or_die ("mnt", mnt_ns); + close (user_ns); + close (mnt_ns); if (syscall_setresgid (0, 0, 0) < 0) { diff --git a/pkg/spec/spec.go b/pkg/spec/spec.go index 7ee2df890..a62344640 100644 --- a/pkg/spec/spec.go +++ b/pkg/spec/spec.go @@ -326,10 +326,6 @@ func (config *CreateConfig) createConfigToOCISpec(runtime *libpod.Runtime, userM } defaultEnv = env.Join(env.DefaultEnvVariables, defaultEnv) } - config.Env = env.Join(defaultEnv, config.Env) - for name, val := range config.Env { - g.AddProcessEnv(name, val) - } if err := addRlimits(config, &g); err != nil { return nil, err @@ -360,6 +356,11 @@ func (config *CreateConfig) createConfigToOCISpec(runtime *libpod.Runtime, userM if err := config.Cgroup.ConfigureGenerator(&g); err != nil { return nil, err } + + config.Env = env.Join(defaultEnv, config.Env) + for name, val := range config.Env { + g.AddProcessEnv(name, val) + } configSpec := g.Config // If the container image specifies an label with a diff --git a/pkg/specgen/generate/container_create.go b/pkg/specgen/generate/container_create.go index bb84f0618..01ddcf9c8 100644 --- a/pkg/specgen/generate/container_create.go +++ b/pkg/specgen/generate/container_create.go @@ -76,6 +76,7 @@ func MakeContainer(ctx context.Context, rt *libpod.Runtime, s *specgen.SpecGener } options := []libpod.CtrCreateOption{} + options = append(options, libpod.WithCreateCommand()) var newImage *image.Image if s.Rootfs != "" { |