package schema
import (
"encoding/json"
"errors"
"github.com/appc/spec/schema/types"
)
const (
ACIExtension = ".aci"
ImageManifestKind = types.ACKind("ImageManifest")
)
type ImageManifest struct {
ACKind types.ACKind `json:"acKind"`
ACVersion types.SemVer `json:"acVersion"`
Name types.ACName `json:"name"`
Labels types.Labels `json:"labels,omitempty"`
App *types.App `json:"app,omitempty"`
Annotations types.Annotations `json:"annotations,omitempty"`
Dependencies types.Dependencies `json:"dependencies,omitempty"`
PathWhitelist []string `json:"pathWhitelist,omitempty"`
}
// imageManifest is a model to facilitate extra validation during the
// unmarshalling of the ImageManifest
type imageManifest ImageManifest
func BlankImageManifest() *ImageManifest {
return &ImageManifest{ACKind: ImageManifestKind, ACVersion: AppContainerVersion}
func GenerateManifest(layerData types.DockerImageData, dockerURL *types.ParsedDockerURL) (*schema.ImageManifest, error) {
dockerConfig := layerData.Config
genManifest := &schema.ImageManifest{}
appURL := ""
// omit docker hub index URL in app name
if dockerURL.IndexURL != defaultIndex {
appURL = dockerURL.IndexURL + "/"
}
appURL += dockerURL.ImageName + "-" + layerData.ID
appURL, err := appctypes.SanitizeACIdentifier(appURL)
if err != nil {
return nil, err
}
name := appctypes.MustACIdentifier(appURL)
genManifest.Name = *name
acVersion, err := appctypes.NewSemVer(schemaVersion)
if err != nil {
panic("invalid appc spec version")
}
genManifest.ACVersion = *acVersion
genManifest.ACKind = appctypes.ACKind(schema.ImageManifestKind)
var (
labels appctypes.Labels
parentLabels appctypes.Labels
annotations appctypes.Annotations
)
layer := appctypes.MustACIdentifier("layer")
labels = append(labels, appctypes.Label{Name: *layer, Value: layerData.ID})
tag := dockerURL.Tag
version := appctypes.MustACIdentifier("version")
labels = append(labels, appctypes.Label{Name: *version, Value: tag})
if layerData.OS != "" {
os := appctypes.MustACIdentifier("os")
labels = append(labels, appctypes.Label{Name: *os, Value: layerData.OS})
parentLabels = append(parentLabels, appctypes.Label{Name: *os, Value: layerData.OS})
if layerData.Architecture != "" {
arch := appctypes.MustACIdentifier("arch")
labels = append(labels, appctypes.Label{Name: *arch, Value: layerData.Architecture})
parentLabels = append(parentLabels, appctypes.Label{Name: *arch, Value: layerData.Architecture})
}
}
if layerData.Author != "" {
authorsKey := appctypes.MustACIdentifier("authors")
annotations = append(annotations, appctypes.Annotation{Name: *authorsKey, Value: layerData.Author})
}
epoch := time.Unix(0, 0)
if !layerData.Created.Equal(epoch) {
createdKey := appctypes.MustACIdentifier("created")
annotations = append(annotations, appctypes.Annotation{Name: *createdKey, Value: layerData.Created.Format(time.RFC3339)})
}
if layerData.Comment != "" {
commentKey := appctypes.MustACIdentifier("docker-comment")
annotations = append(annotations, appctypes.Annotation{Name: *commentKey, Value: layerData.Comment})
}
annotations = append(annotations, appctypes.Annotation{Name: *appctypes.MustACIdentifier(appcDockerV1RegistryURL), Value: dockerURL.IndexURL})
annotations = append(annotations, appctypes.Annotation{Name: *appctypes.MustACIdentifier(appcDockerV1Repository), Value: dockerURL.ImageName})
annotations = append(annotations, appctypes.Annotation{Name: *appctypes.MustACIdentifier(appcDockerV1ImageID), Value: layerData.ID})
annotations = append(annotations, appctypes.Annotation{Name: *appctypes.MustACIdentifier(appcDockerV1ParentImageID), Value: layerData.Parent})
genManifest.Labels = labels
genManifest.Annotations = annotations
if dockerConfig != nil {
exec := getExecCommand(dockerConfig.Entrypoint, dockerConfig.Cmd)
if exec != nil {
user, group := parseDockerUser(dockerConfig.User)
var env appctypes.Environment
for _, v := range dockerConfig.Env {
parts := strings.SplitN(v, "=", 2)
env.Set(parts[0], parts[1])
}
app := &appctypes.App{
Exec: exec,
User: user,
Group: group,
Environment: env,
WorkingDirectory: dockerConfig.WorkingDir,
}
app.MountPoints, err = convertVolumesToMPs(dockerConfig.Volumes)
if err != nil {
return nil, err
}
app.Ports, err = convertPorts(dockerConfig.ExposedPorts, dockerConfig.PortSpecs)
if err != nil {
return nil, err
}
genManifest.App = app
}
}
if layerData.Parent != "" {
indexPrefix := ""
// omit docker hub index URL in app name
if dockerURL.IndexURL != defaultIndex {
indexPrefix = dockerURL.IndexURL + "/"
}
parentImageNameString := indexPrefix + dockerURL.ImageName + "-" + layerData.Parent
parentImageNameString, err := appctypes.SanitizeACIdentifier(parentImageNameString)
if err != nil {
return nil, err
}
parentImageName := appctypes.MustACIdentifier(parentImageNameString)
genManifest.Dependencies = append(genManifest.Dependencies, appctypes.Dependency{ImageName: *parentImageName, Labels: parentLabels})
annotations = append(annotations, appctypes.Annotation{Name: *appctypes.MustACIdentifier(appcDockerV1Tag), Value: dockerURL.Tag})
}
return genManifest, nil
}
// limitations under the License.
package schema
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"github.com/appc/spec/schema/types"
"go4.org/errorutil"
)
const PodManifestKind = types.ACKind("PodManifest")
type PodManifest struct {
ACVersion types.SemVer `json:"acVersion"`
ACKind types.ACKind `json:"acKind"`
Apps AppList `json:"apps"`
Volumes []types.Volume `json:"volumes"`
Isolators []types.Isolator `json:"isolators"`
Annotations types.Annotations `json:"annotations"`
Ports []types.ExposedPort `json:"ports"`
}
// podManifest is a model to facilitate extra validation during the
// unmarshalling of the PodManifest
type podManifest PodManifest
// GenerateManifest converts the docker manifest format to an appc
// ImageManifest.
func GenerateManifest(layerData types.DockerImageData, dockerURL *types.ParsedDockerURL) (*schema.ImageManifest, error) {
dockerConfig := layerData.Config
genManifest := &schema.ImageManifest{}
appURL := ""
appURL = dockerURL.IndexURL + "/"
appURL += dockerURL.ImageName + "-" + layerData.ID
appURL, err := appctypes.SanitizeACIdentifier(appURL)
if err != nil {
return nil, err
}
name := appctypes.MustACIdentifier(appURL)
genManifest.Name = *name
acVersion, err := appctypes.NewSemVer(schema.AppContainerVersion.String())
if err != nil {
panic("invalid appc spec version")
}
genManifest.ACVersion = *acVersion
genManifest.ACKind = appctypes.ACKind(schema.ImageManifestKind)
var annotations appctypes.Annotations
labels := make(map[appctypes.ACIdentifier]string)
parentLabels := make(map[appctypes.ACIdentifier]string)
addLabel := func(key, val string) {
if key != "" && val != "" {
labels[*appctypes.MustACIdentifier(key)] = val
}
}
addParentLabel := func(key, val string) {
if key != "" && val != "" {
parentLabels[*appctypes.MustACIdentifier(key)] = val
}
}
addAnno := func(key, val string) {
if key != "" && val != "" {
annotations.Set(*appctypes.MustACIdentifier(key), val)
}
}
addLabel("layer", layerData.ID)
addLabel("version", dockerURL.Tag)
addLabel("os", layerData.OS)
addParentLabel("os", layerData.OS)
addLabel("arch", layerData.Architecture)
addParentLabel("arch", layerData.OS)
addAnno("authors", layerData.Author)
epoch := time.Unix(0, 0)
if !layerData.Created.Equal(epoch) {
addAnno("created", layerData.Created.Format(time.RFC3339))
}
addAnno("docker-comment", layerData.Comment)
addAnno(common.AppcDockerRegistryURL, dockerURL.IndexURL)
addAnno(common.AppcDockerRepository, dockerURL.ImageName)
addAnno(common.AppcDockerImageID, layerData.ID)
addAnno(common.AppcDockerParentImageID, layerData.Parent)
if dockerConfig != nil {
exec := getExecCommand(dockerConfig.Entrypoint, dockerConfig.Cmd)
if exec != nil {
user, group := parseDockerUser(dockerConfig.User)
var env appctypes.Environment
for _, v := range dockerConfig.Env {
parts := strings.SplitN(v, "=", 2)
env.Set(parts[0], parts[1])
}
app := &appctypes.App{
Exec: exec,
User: user,
Group: group,
Environment: env,
WorkingDirectory: dockerConfig.WorkingDir,
}
app.MountPoints, err = convertVolumesToMPs(dockerConfig.Volumes)
if err != nil {
return nil, err
}
app.Ports, err = convertPorts(dockerConfig.ExposedPorts, dockerConfig.PortSpecs)
if err != nil {
return nil, err
}
ep, cmd, err := generateEPCmdAnnotation(dockerConfig.Entrypoint, dockerConfig.Cmd)
if err != nil {
return nil, err
}
if len(ep) > 0 {
addAnno(common.AppcDockerEntrypoint, ep)
}
if len(cmd) > 0 {
addAnno(common.AppcDockerCmd, cmd)
}
genManifest.App = app
}
}
if layerData.Parent != "" {
indexPrefix := ""
// omit docker hub index URL in app name
indexPrefix = dockerURL.IndexURL + "/"
parentImageNameString := indexPrefix + dockerURL.ImageName + "-" + layerData.Parent
parentImageNameString, err := appctypes.SanitizeACIdentifier(parentImageNameString)
if err != nil {
return nil, err
}
parentImageName := appctypes.MustACIdentifier(parentImageNameString)
plbl, err := appctypes.LabelsFromMap(labels)
if err != nil {
return nil, err
}
genManifest.Dependencies = append(genManifest.Dependencies, appctypes.Dependency{ImageName: *parentImageName, Labels: plbl})
addAnno(common.AppcDockerTag, dockerURL.Tag)
}
genManifest.Labels, err = appctypes.LabelsFromMap(labels)
if err != nil {
return nil, err
}
genManifest.Annotations = annotations
return genManifest, nil
}