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|
package handlers
import (
"context"
"encoding/json"
"fmt"
"time"
"github.com/containers/image/v5/manifest"
libpodImage "github.com/containers/podman/v3/libpod/image"
"github.com/containers/podman/v3/pkg/domain/entities"
docker "github.com/docker/docker/api/types"
dockerContainer "github.com/docker/docker/api/types/container"
dockerNetwork "github.com/docker/docker/api/types/network"
"github.com/docker/go-connections/nat"
"github.com/pkg/errors"
)
type AuthConfig struct {
docker.AuthConfig
}
type ImageInspect struct {
docker.ImageInspect
}
type ContainerConfig struct {
dockerContainer.Config
}
type LibpodImagesLoadReport struct {
ID string `json:"id"`
}
type LibpodImagesPullReport struct {
entities.ImagePullReport
}
// LibpodImagesRemoveReport is the return type for image removal via the rest
// api.
type LibpodImagesRemoveReport struct {
entities.ImageRemoveReport
// Image removal requires is to return data and an error.
Errors []string
}
type ContainersPruneReport struct {
docker.ContainersPruneReport
}
type LibpodContainersPruneReport struct {
ID string `json:"id"`
SpaceReclaimed int64 `json:"space"`
PruneError string `json:"error"`
}
type Info struct {
docker.Info
BuildahVersion string
CPURealtimePeriod bool
CPURealtimeRuntime bool
CgroupVersion string
Rootless bool
SwapFree int64
SwapTotal int64
Uptime string
}
type Container struct {
docker.Container
docker.ContainerCreateConfig
}
type DiskUsage struct {
docker.DiskUsage
}
type VolumesPruneReport struct {
docker.VolumesPruneReport
}
type ImagesPruneReport struct {
docker.ImagesPruneReport
}
type BuildCachePruneReport struct {
docker.BuildCachePruneReport
}
type NetworkPruneReport struct {
docker.NetworksPruneReport
}
type ConfigCreateResponse struct {
docker.ConfigCreateResponse
}
type PushResult struct {
docker.PushResult
}
type BuildResult struct {
docker.BuildResult
}
type ContainerWaitOKBody struct {
StatusCode int
Error struct {
Message string
}
}
// CreateContainerConfig used when compatible endpoint creates a container
type CreateContainerConfig struct {
Name string // container name
dockerContainer.Config // desired container configuration
HostConfig dockerContainer.HostConfig // host dependent configuration for container
NetworkingConfig dockerNetwork.NetworkingConfig // network configuration for container
}
// swagger:model IDResponse
type IDResponse struct {
// ID
ID string `json:"Id"`
}
type ContainerTopOKBody struct {
dockerContainer.ContainerTopOKBody
}
type PodTopOKBody struct {
dockerContainer.ContainerTopOKBody
}
// swagger:model PodCreateConfig
type PodCreateConfig struct {
Name string `json:"name"`
CGroupParent string `json:"cgroup-parent"`
Hostname string `json:"hostname"`
Infra bool `json:"infra"`
InfraCommand string `json:"infra-command"`
InfraImage string `json:"infra-image"`
Labels []string `json:"labels"`
Publish []string `json:"publish"`
Share string `json:"share"`
}
// HistoryResponse provides details on image layers
type HistoryResponse struct {
ID string `json:"Id"`
Created int64
CreatedBy string
Tags []string
Size int64
Comment string
}
type ImageLayer struct{}
type ImageTreeResponse struct {
ID string `json:"id"`
Tags []string `json:"tags"`
Size string `json:"size"`
Layers []ImageLayer `json:"layers"`
}
type ExecCreateConfig struct {
docker.ExecConfig
}
type ExecCreateResponse struct {
docker.IDResponse
}
type ExecStartConfig struct {
Detach bool `json:"Detach"`
Tty bool `json:"Tty"`
}
func ImageToImageSummary(l *libpodImage.Image) (*entities.ImageSummary, error) {
imageData, err := l.Inspect(context.TODO())
if err != nil {
return nil, errors.Wrapf(err, "failed to obtain summary for image %s", l.ID())
}
containers, err := l.Containers()
if err != nil {
return nil, errors.Wrapf(err, "failed to obtain Containers for image %s", l.ID())
}
containerCount := len(containers)
is := entities.ImageSummary{
ID: l.ID(),
ParentId: imageData.Parent,
RepoTags: imageData.RepoTags,
RepoDigests: imageData.RepoDigests,
Created: l.Created().Unix(),
Size: imageData.Size,
SharedSize: 0,
VirtualSize: imageData.VirtualSize,
Labels: imageData.Labels,
Containers: containerCount,
ReadOnly: l.IsReadOnly(),
Dangling: l.Dangling(),
Names: l.Names(),
Digest: string(imageData.Digest),
ConfigDigest: string(l.ConfigDigest),
History: imageData.NamesHistory,
}
return &is, nil
}
func ImageDataToImageInspect(ctx context.Context, l *libpodImage.Image) (*ImageInspect, error) {
info, err := l.Inspect(context.Background())
if err != nil {
return nil, err
}
ports, err := portsToPortSet(info.Config.ExposedPorts)
if err != nil {
return nil, err
}
// TODO the rest of these still need wiring!
config := dockerContainer.Config{
// Hostname: "",
// Domainname: "",
User: info.User,
// AttachStdin: false,
// AttachStdout: false,
// AttachStderr: false,
ExposedPorts: ports,
// Tty: false,
// OpenStdin: false,
// StdinOnce: false,
Env: info.Config.Env,
Cmd: info.Config.Cmd,
// Healthcheck: l.ImageData.HealthCheck,
// ArgsEscaped: false,
// Image: "",
Volumes: info.Config.Volumes,
WorkingDir: info.Config.WorkingDir,
Entrypoint: info.Config.Entrypoint,
// NetworkDisabled: false,
// MacAddress: "",
// OnBuild: info.Config.OnBuild,
Labels: info.Labels,
StopSignal: info.Config.StopSignal,
// StopTimeout: nil,
// Shell: nil,
}
ic, err := l.ToImageRef(ctx)
if err != nil {
return nil, err
}
rootfs := docker.RootFS{}
if info.RootFS != nil {
rootfs.Type = info.RootFS.Type
rootfs.Layers = make([]string, 0, len(info.RootFS.Layers))
for _, layer := range info.RootFS.Layers {
rootfs.Layers = append(rootfs.Layers, string(layer))
}
}
dockerImageInspect := docker.ImageInspect{
Architecture: info.Architecture,
Author: info.Author,
Comment: info.Comment,
Config: &config,
Created: l.Created().Format(time.RFC3339Nano),
DockerVersion: info.Version,
GraphDriver: docker.GraphDriverData{},
ID: fmt.Sprintf("sha256:%s", l.ID()),
Metadata: docker.ImageMetadata{},
Os: info.Os,
OsVersion: info.Version,
Parent: info.Parent,
RepoDigests: info.RepoDigests,
RepoTags: info.RepoTags,
RootFS: rootfs,
Size: info.Size,
Variant: "",
VirtualSize: info.VirtualSize,
}
bi := ic.ConfigInfo()
// For docker images, we need to get the Container id and config
// and populate the image with it.
if bi.MediaType == manifest.DockerV2Schema2ConfigMediaType {
d := manifest.Schema2Image{}
b, err := ic.ConfigBlob(ctx)
if err != nil {
return nil, err
}
if err := json.Unmarshal(b, &d); err != nil {
return nil, err
}
// populate the Container id into the image
dockerImageInspect.Container = d.Container
containerConfig := dockerContainer.Config{}
configBytes, err := json.Marshal(d.ContainerConfig)
if err != nil {
return nil, err
}
if err := json.Unmarshal(configBytes, &containerConfig); err != nil {
return nil, err
}
// populate the Container config in the image
dockerImageInspect.ContainerConfig = &containerConfig
// populate parent
dockerImageInspect.Parent = d.Parent.String()
}
return &ImageInspect{dockerImageInspect}, nil
}
// portsToPortSet converts libpods exposed ports to dockers structs
func portsToPortSet(input map[string]struct{}) (nat.PortSet, error) {
ports := make(nat.PortSet)
for k := range input {
proto, port := nat.SplitProtoPort(k)
switch proto {
// See the OCI image spec for details:
// https://github.com/opencontainers/image-spec/blob/e562b04403929d582d449ae5386ff79dd7961a11/config.md#properties
case "tcp", "":
p, err := nat.NewPort("tcp", port)
if err != nil {
return nil, errors.Wrapf(err, "unable to create tcp port from %s", k)
}
ports[p] = struct{}{}
case "udp":
p, err := nat.NewPort("udp", port)
if err != nil {
return nil, errors.Wrapf(err, "unable to create tcp port from %s", k)
}
ports[p] = struct{}{}
default:
return nil, errors.Errorf("invalid port proto %q in %q", proto, k)
}
}
return ports, nil
}
|