diff options
Diffstat (limited to 'pkg')
-rw-r--r-- | pkg/adapter/pods.go | 92 | ||||
-rw-r--r-- | pkg/adapter/runtime.go | 6 | ||||
-rw-r--r-- | pkg/adapter/runtime_remote.go | 4 | ||||
-rw-r--r-- | pkg/timetype/timestamp.go | 131 | ||||
-rw-r--r-- | pkg/timetype/timestamp_test.go | 95 | ||||
-rw-r--r-- | pkg/varlinkapi/images.go | 8 |
6 files changed, 320 insertions, 16 deletions
diff --git a/pkg/adapter/pods.go b/pkg/adapter/pods.go index 2003b55ad..d73a8b21b 100644 --- a/pkg/adapter/pods.go +++ b/pkg/adapter/pods.go @@ -596,12 +596,17 @@ func (r *LocalRuntime) PlayKubeYAML(ctx context.Context, c *cliconfig.KubePlayVa volumes[volume.Name] = hostPath.Path } + seccompPaths, err := initializeSeccompPaths(podYAML.ObjectMeta.Annotations) + if err != nil { + return nil, err + } + for _, container := range podYAML.Spec.Containers { 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 } - createConfig, err := kubeContainerToCreateConfig(ctx, container, r.Runtime, newImage, namespaces, volumes, pod.ID(), podInfraID) + createConfig, err := kubeContainerToCreateConfig(ctx, container, r.Runtime, newImage, namespaces, volumes, pod.ID(), podInfraID, seccompPaths) if err != nil { return nil, err } @@ -720,7 +725,7 @@ func setupSecurityContext(securityConfig *createconfig.SecurityConfig, userConfi } // kubeContainerToCreateConfig takes a v1.Container and returns a createconfig describing a container -func kubeContainerToCreateConfig(ctx context.Context, containerYAML v1.Container, runtime *libpod.Runtime, newImage *image.Image, namespaces map[string]string, volumes map[string]string, podID, infraID string) (*createconfig.CreateConfig, error) { +func kubeContainerToCreateConfig(ctx context.Context, containerYAML v1.Container, runtime *libpod.Runtime, newImage *image.Image, namespaces map[string]string, volumes map[string]string, podID, infraID string, seccompPaths *kubeSeccompPaths) (*createconfig.CreateConfig, error) { var ( containerConfig createconfig.CreateConfig pidConfig createconfig.PidConfig @@ -752,11 +757,7 @@ func kubeContainerToCreateConfig(ctx context.Context, containerYAML v1.Container setupSecurityContext(&securityConfig, &userConfig, containerYAML) - var err error - containerConfig.Security.SeccompProfilePath, err = libpod.DefaultSeccompPath() - if err != nil { - return nil, err - } + securityConfig.SeccompProfilePath = seccompPaths.findForContainer(containerConfig.Name) containerConfig.Command = []string{} if imageData != nil && imageData.Config != nil { @@ -826,3 +827,80 @@ func kubeContainerToCreateConfig(ctx context.Context, containerYAML v1.Container } return &containerConfig, nil } + +// kubeSeccompPaths holds information about a pod YAML's seccomp configuration +// it holds both container and pod seccomp paths +type kubeSeccompPaths struct { + containerPaths map[string]string + podPath string +} + +// findForContainer checks whether a container has a seccomp path configured for it +// if not, it returns the podPath, which should always have a value +func (k *kubeSeccompPaths) findForContainer(ctrName string) string { + if path, ok := k.containerPaths[ctrName]; ok { + return path + } + return k.podPath +} + +// initializeSeccompPaths takes annotations from the pod object metadata and finds annotations pertaining to seccomp +// it parses both pod and container level +func initializeSeccompPaths(annotations map[string]string) (*kubeSeccompPaths, error) { + seccompPaths := &kubeSeccompPaths{containerPaths: make(map[string]string)} + var err error + if annotations != nil { + for annKeyValue, seccomp := range annotations { + // check if it is prefaced with container.seccomp.security.alpha.kubernetes.io/ + prefixAndCtr := strings.Split(annKeyValue, "/") + if prefixAndCtr[0]+"/" != v1.SeccompContainerAnnotationKeyPrefix { + continue + } else if len(prefixAndCtr) != 2 { + // this could be caused by a user inputting either of + // container.seccomp.security.alpha.kubernetes.io{,/} + // both of which are invalid + return nil, errors.Errorf("Invalid seccomp path: %s", prefixAndCtr[0]) + } + + path, err := verifySeccompPath(seccomp) + if err != nil { + return nil, err + } + seccompPaths.containerPaths[prefixAndCtr[1]] = path + } + + podSeccomp, ok := annotations[v1.SeccompPodAnnotationKey] + if ok { + seccompPaths.podPath, err = verifySeccompPath(podSeccomp) + } else { + seccompPaths.podPath, err = libpod.DefaultSeccompPath() + } + if err != nil { + return nil, err + } + } + return seccompPaths, nil +} + +// verifySeccompPath takes a path and checks whether it is a default, unconfined, or a path +// the available options are parsed as defined in https://kubernetes.io/docs/concepts/policy/pod-security-policy/#seccomp +func verifySeccompPath(path string) (string, error) { + switch path { + case v1.DeprecatedSeccompProfileDockerDefault: + fallthrough + case v1.SeccompProfileRuntimeDefault: + return libpod.DefaultSeccompPath() + case "unconfined": + return path, nil + default: + // TODO we have an inconsistency here + // k8s parses `localhost/<path>` which is found at `<seccomp_root>` + // we currently parse `localhost:<seccomp_root>/<path> + // to fully conform, we need to find a good location for the seccomp root + parts := strings.Split(path, ":") + if parts[0] == "localhost" { + return parts[1], nil + } + return "", errors.Errorf("invalid seccomp path: %s", path) + } +} diff --git a/pkg/adapter/runtime.go b/pkg/adapter/runtime.go index 81a43853c..069283bde 100644 --- a/pkg/adapter/runtime.go +++ b/pkg/adapter/runtime.go @@ -27,7 +27,7 @@ import ( "github.com/containers/libpod/pkg/util" "github.com/containers/storage/pkg/archive" "github.com/pkg/errors" - "k8s.io/api/core/v1" + v1 "k8s.io/api/core/v1" ) // LocalRuntime describes a typical libpod runtime @@ -147,8 +147,8 @@ func (r *LocalRuntime) RemoveImage(ctx context.Context, img *ContainerImage, for } // PruneImages is wrapper into PruneImages within the image pkg -func (r *LocalRuntime) PruneImages(ctx context.Context, all bool) ([]string, error) { - return r.ImageRuntime().PruneImages(ctx, all) +func (r *LocalRuntime) PruneImages(ctx context.Context, all bool, filter []string) ([]string, error) { + return r.ImageRuntime().PruneImages(ctx, all, filter) } // Export is a wrapper to container export to a tarfile diff --git a/pkg/adapter/runtime_remote.go b/pkg/adapter/runtime_remote.go index 01bc8e454..ddd4b5271 100644 --- a/pkg/adapter/runtime_remote.go +++ b/pkg/adapter/runtime_remote.go @@ -415,8 +415,8 @@ func (ci *ContainerImage) History(ctx context.Context) ([]*image.History, error) } // PruneImages is the wrapper call for a remote-client to prune images -func (r *LocalRuntime) PruneImages(ctx context.Context, all bool) ([]string, error) { - return iopodman.ImagesPrune().Call(r.Conn, all) +func (r *LocalRuntime) PruneImages(ctx context.Context, all bool, filter []string) ([]string, error) { + return iopodman.ImagesPrune().Call(r.Conn, all, filter) } // Export is a wrapper to container export to a tarfile diff --git a/pkg/timetype/timestamp.go b/pkg/timetype/timestamp.go new file mode 100644 index 000000000..eb904a574 --- /dev/null +++ b/pkg/timetype/timestamp.go @@ -0,0 +1,131 @@ +package timetype + +// code adapted from https://github.com/moby/moby/blob/master/api/types/time/timestamp.go + +import ( + "fmt" + "math" + "strconv" + "strings" + "time" +) + +// These are additional predefined layouts for use in Time.Format and Time.Parse +// with --since and --until parameters for `docker logs` and `docker events` +const ( + rFC3339Local = "2006-01-02T15:04:05" // RFC3339 with local timezone + rFC3339NanoLocal = "2006-01-02T15:04:05.999999999" // RFC3339Nano with local timezone + dateWithZone = "2006-01-02Z07:00" // RFC3339 with time at 00:00:00 + dateLocal = "2006-01-02" // RFC3339 with local timezone and time at 00:00:00 +) + +// GetTimestamp tries to parse given string as golang duration, +// then RFC3339 time and finally as a Unix timestamp. If +// any of these were successful, it returns a Unix timestamp +// as string otherwise returns the given value back. +// In case of duration input, the returned timestamp is computed +// as the given reference time minus the amount of the duration. +func GetTimestamp(value string, reference time.Time) (string, error) { + if d, err := time.ParseDuration(value); value != "0" && err == nil { + return strconv.FormatInt(reference.Add(-d).Unix(), 10), nil + } + + var format string + // if the string has a Z or a + or three dashes use parse otherwise use parseinlocation + parseInLocation := !(strings.ContainsAny(value, "zZ+") || strings.Count(value, "-") == 3) + + if strings.Contains(value, ".") { + if parseInLocation { + format = rFC3339NanoLocal + } else { + format = time.RFC3339Nano + } + } else if strings.Contains(value, "T") { + // we want the number of colons in the T portion of the timestamp + tcolons := strings.Count(value, ":") + // if parseInLocation is off and we have a +/- zone offset (not Z) then + // there will be an extra colon in the input for the tz offset subtract that + // colon from the tcolons count + if !parseInLocation && !strings.ContainsAny(value, "zZ") && tcolons > 0 { + tcolons-- + } + if parseInLocation { + switch tcolons { + case 0: + format = "2006-01-02T15" + case 1: + format = "2006-01-02T15:04" + default: + format = rFC3339Local + } + } else { + switch tcolons { + case 0: + format = "2006-01-02T15Z07:00" + case 1: + format = "2006-01-02T15:04Z07:00" + default: + format = time.RFC3339 + } + } + } else if parseInLocation { + format = dateLocal + } else { + format = dateWithZone + } + + var t time.Time + var err error + + if parseInLocation { + t, err = time.ParseInLocation(format, value, time.FixedZone(reference.Zone())) + } else { + t, err = time.Parse(format, value) + } + + if err != nil { + // if there is a `-` then it's an RFC3339 like timestamp + if strings.Contains(value, "-") { + return "", err // was probably an RFC3339 like timestamp but the parser failed with an error + } + if _, _, err := parseTimestamp(value); err != nil { + return "", fmt.Errorf("failed to parse value as time or duration: %q", value) + } + return value, nil // unix timestamp in and out case (meaning: the value passed at the command line is already in the right format for passing to the server) + } + + return fmt.Sprintf("%d.%09d", t.Unix(), int64(t.Nanosecond())), nil +} + +// ParseTimestamps returns seconds and nanoseconds from a timestamp that has the +// format "%d.%09d", time.Unix(), int64(time.Nanosecond())) +// if the incoming nanosecond portion is longer or shorter than 9 digits it is +// converted to nanoseconds. The expectation is that the seconds and +// seconds will be used to create a time variable. For example: +// seconds, nanoseconds, err := ParseTimestamp("1136073600.000000001",0) +// if err == nil since := time.Unix(seconds, nanoseconds) +// returns seconds as def(aultSeconds) if value == "" +func ParseTimestamps(value string, def int64) (int64, int64, error) { + if value == "" { + return def, 0, nil + } + return parseTimestamp(value) +} + +func parseTimestamp(value string) (int64, int64, error) { + sa := strings.SplitN(value, ".", 2) + s, err := strconv.ParseInt(sa[0], 10, 64) + if err != nil { + return s, 0, err + } + if len(sa) != 2 { + return s, 0, nil + } + n, err := strconv.ParseInt(sa[1], 10, 64) + if err != nil { + return s, n, err + } + // should already be in nanoseconds but just in case convert n to nanoseconds + n = int64(float64(n) * math.Pow(float64(10), float64(9-len(sa[1])))) + return s, n, nil +} diff --git a/pkg/timetype/timestamp_test.go b/pkg/timetype/timestamp_test.go new file mode 100644 index 000000000..0fffb85a9 --- /dev/null +++ b/pkg/timetype/timestamp_test.go @@ -0,0 +1,95 @@ +package timetype + +// code adapted from https://github.com/moby/moby/blob/master/api/types/time/timestamp.go + +import ( + "fmt" + "testing" + "time" +) + +func TestGetTimestamp(t *testing.T) { + now := time.Now().In(time.UTC) + cases := []struct { + in, expected string + expectedErr bool + }{ + // Partial RFC3339 strings get parsed with second precision + {"2006-01-02T15:04:05.999999999+07:00", "1136189045.999999999", false}, + {"2006-01-02T15:04:05.999999999Z", "1136214245.999999999", false}, + {"2006-01-02T15:04:05.999999999", "1136214245.999999999", false}, + {"2006-01-02T15:04:05Z", "1136214245.000000000", false}, + {"2006-01-02T15:04:05", "1136214245.000000000", false}, + {"2006-01-02T15:04:0Z", "", true}, + {"2006-01-02T15:04:0", "", true}, + {"2006-01-02T15:04Z", "1136214240.000000000", false}, + {"2006-01-02T15:04+00:00", "1136214240.000000000", false}, + {"2006-01-02T15:04-00:00", "1136214240.000000000", false}, + {"2006-01-02T15:04", "1136214240.000000000", false}, + {"2006-01-02T15:0Z", "", true}, + {"2006-01-02T15:0", "", true}, + {"2006-01-02T15Z", "1136214000.000000000", false}, + {"2006-01-02T15+00:00", "1136214000.000000000", false}, + {"2006-01-02T15-00:00", "1136214000.000000000", false}, + {"2006-01-02T15", "1136214000.000000000", false}, + {"2006-01-02T1Z", "1136163600.000000000", false}, + {"2006-01-02T1", "1136163600.000000000", false}, + {"2006-01-02TZ", "", true}, + {"2006-01-02T", "", true}, + {"2006-01-02+00:00", "1136160000.000000000", false}, + {"2006-01-02-00:00", "1136160000.000000000", false}, + {"2006-01-02-00:01", "1136160060.000000000", false}, + {"2006-01-02Z", "1136160000.000000000", false}, + {"2006-01-02", "1136160000.000000000", false}, + {"2015-05-13T20:39:09Z", "1431549549.000000000", false}, + + // unix timestamps returned as is + {"1136073600", "1136073600", false}, + {"1136073600.000000001", "1136073600.000000001", false}, + // Durations + {"1m", fmt.Sprintf("%d", now.Add(-1*time.Minute).Unix()), false}, + {"1.5h", fmt.Sprintf("%d", now.Add(-90*time.Minute).Unix()), false}, + {"1h30m", fmt.Sprintf("%d", now.Add(-90*time.Minute).Unix()), false}, + + {"invalid", "", true}, + {"", "", true}, + } + + for _, c := range cases { + o, err := GetTimestamp(c.in, now) + if o != c.expected || + (err == nil && c.expectedErr) || + (err != nil && !c.expectedErr) { + t.Errorf("wrong value for '%s'. expected:'%s' got:'%s' with error: `%s`", c.in, c.expected, o, err) + t.Fail() + } + } +} + +func TestParseTimestamps(t *testing.T) { + cases := []struct { + in string + def, expectedS, expectedN int64 + expectedErr bool + }{ + // unix timestamps + {"1136073600", 0, 1136073600, 0, false}, + {"1136073600.000000001", 0, 1136073600, 1, false}, + {"1136073600.0000000010", 0, 1136073600, 1, false}, + {"1136073600.00000001", 0, 1136073600, 10, false}, + {"foo.bar", 0, 0, 0, true}, + {"1136073600.bar", 0, 1136073600, 0, true}, + {"", -1, -1, 0, false}, + } + + for _, c := range cases { + s, n, err := ParseTimestamps(c.in, c.def) + if s != c.expectedS || + n != c.expectedN || + (err == nil && c.expectedErr) || + (err != nil && !c.expectedErr) { + t.Errorf("wrong values for input `%s` with default `%d` expected:'%d'seconds and `%d`nanosecond got:'%d'seconds and `%d`nanoseconds with error: `%s`", c.in, c.def, c.expectedS, c.expectedN, s, n, err) + t.Fail() + } + } +} diff --git a/pkg/varlinkapi/images.go b/pkg/varlinkapi/images.go index 8d44e6373..c27088805 100644 --- a/pkg/varlinkapi/images.go +++ b/pkg/varlinkapi/images.go @@ -21,7 +21,7 @@ import ( "github.com/containers/image/v5/transports/alltransports" "github.com/containers/image/v5/types" "github.com/containers/libpod/cmd/podman/shared" - "github.com/containers/libpod/cmd/podman/varlink" + iopodman "github.com/containers/libpod/cmd/podman/varlink" "github.com/containers/libpod/libpod" "github.com/containers/libpod/libpod/define" "github.com/containers/libpod/libpod/image" @@ -29,7 +29,7 @@ import ( "github.com/containers/libpod/pkg/util" "github.com/containers/libpod/utils" "github.com/containers/storage/pkg/archive" - "github.com/opencontainers/image-spec/specs-go/v1" + v1 "github.com/opencontainers/image-spec/specs-go/v1" "github.com/opencontainers/runtime-spec/specs-go" "github.com/pkg/errors" "github.com/sirupsen/logrus" @@ -740,8 +740,8 @@ func (i *LibpodAPI) ContainerRunlabel(call iopodman.VarlinkCall, input iopodman. } // ImagesPrune .... -func (i *LibpodAPI) ImagesPrune(call iopodman.VarlinkCall, all bool) error { - prunedImages, err := i.Runtime.ImageRuntime().PruneImages(context.TODO(), all) +func (i *LibpodAPI) ImagesPrune(call iopodman.VarlinkCall, all bool, filter []string) error { + prunedImages, err := i.Runtime.ImageRuntime().PruneImages(context.TODO(), all, []string{}) if err != nil { return call.ReplyErrorOccurred(err.Error()) } |