mirror of https://github.com/docker/compose.git
backend.local: Refactor container service
Signed-off-by: Chris Crone <christopher.crone@docker.com>
This commit is contained in:
parent
b2dcae685a
commit
637dd263c9
227
local/backend.go
227
local/backend.go
|
@ -19,18 +19,9 @@
|
|||
package local
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"context"
|
||||
"io"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/docker/docker/api/types"
|
||||
"github.com/docker/docker/api/types/container"
|
||||
"github.com/docker/docker/client"
|
||||
"github.com/docker/docker/pkg/stdcopy"
|
||||
"github.com/docker/docker/pkg/stringid"
|
||||
"github.com/pkg/errors"
|
||||
|
||||
"github.com/docker/compose-cli/api/compose"
|
||||
"github.com/docker/compose-cli/api/containers"
|
||||
|
@ -39,11 +30,10 @@ import (
|
|||
"github.com/docker/compose-cli/api/volumes"
|
||||
"github.com/docker/compose-cli/backend"
|
||||
"github.com/docker/compose-cli/context/cloud"
|
||||
"github.com/docker/compose-cli/errdefs"
|
||||
)
|
||||
|
||||
type local struct {
|
||||
apiClient *client.Client
|
||||
*containerService
|
||||
}
|
||||
|
||||
func init() {
|
||||
|
@ -57,12 +47,12 @@ func service(ctx context.Context) (backend.Service, error) {
|
|||
}
|
||||
|
||||
return &local{
|
||||
apiClient,
|
||||
containerService: &containerService{apiClient},
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (ms *local) ContainerService() containers.Service {
|
||||
return ms
|
||||
func (cs *containerService) ContainerService() containers.Service {
|
||||
return cs
|
||||
}
|
||||
|
||||
func (ms *local) ComposeService() compose.Service {
|
||||
|
@ -80,212 +70,3 @@ func (ms *local) VolumeService() volumes.Service {
|
|||
func (ms *local) ResourceService() resources.Service {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (ms *local) Inspect(ctx context.Context, id string) (containers.Container, error) {
|
||||
c, err := ms.apiClient.ContainerInspect(ctx, id)
|
||||
if err != nil {
|
||||
return containers.Container{}, err
|
||||
}
|
||||
|
||||
status := ""
|
||||
if c.State != nil {
|
||||
status = c.State.Status
|
||||
}
|
||||
|
||||
command := ""
|
||||
if c.Config != nil &&
|
||||
c.Config.Cmd != nil {
|
||||
command = strings.Join(c.Config.Cmd, " ")
|
||||
}
|
||||
|
||||
rc := toRuntimeConfig(&c)
|
||||
hc := toHostConfig(&c)
|
||||
|
||||
return containers.Container{
|
||||
ID: stringid.TruncateID(c.ID),
|
||||
Status: status,
|
||||
Image: c.Image,
|
||||
Command: command,
|
||||
Platform: c.Platform,
|
||||
Config: rc,
|
||||
HostConfig: hc,
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (ms *local) List(ctx context.Context, all bool) ([]containers.Container, error) {
|
||||
css, err := ms.apiClient.ContainerList(ctx, types.ContainerListOptions{
|
||||
All: all,
|
||||
})
|
||||
|
||||
if err != nil {
|
||||
return []containers.Container{}, err
|
||||
}
|
||||
|
||||
var result []containers.Container
|
||||
for _, container := range css {
|
||||
result = append(result, containers.Container{
|
||||
ID: stringid.TruncateID(container.ID),
|
||||
Image: container.Image,
|
||||
// TODO: `Status` is a human readable string ("Up 24 minutes"),
|
||||
// we need to return the `State` instead but first we need to
|
||||
// define an enum on the proto side with all the possible container
|
||||
// statuses. We also need to add a `Created` property on the gRPC side.
|
||||
Status: container.Status,
|
||||
Command: container.Command,
|
||||
Ports: toPorts(container.Ports),
|
||||
})
|
||||
}
|
||||
|
||||
return result, nil
|
||||
}
|
||||
|
||||
func (ms *local) Run(ctx context.Context, r containers.ContainerConfig) error {
|
||||
exposedPorts, hostBindings, err := fromPorts(r.Ports)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
containerConfig := &container.Config{
|
||||
Image: r.Image,
|
||||
Labels: r.Labels,
|
||||
Env: r.Environment,
|
||||
ExposedPorts: exposedPorts,
|
||||
}
|
||||
hostConfig := &container.HostConfig{
|
||||
PortBindings: hostBindings,
|
||||
AutoRemove: r.AutoRemove,
|
||||
RestartPolicy: toRestartPolicy(r.RestartPolicyCondition),
|
||||
Resources: container.Resources{
|
||||
NanoCPUs: int64(r.CPULimit * 1e9),
|
||||
Memory: int64(r.MemLimit),
|
||||
},
|
||||
}
|
||||
|
||||
created, err := ms.apiClient.ContainerCreate(ctx, containerConfig, hostConfig, nil, r.ID)
|
||||
|
||||
if err != nil {
|
||||
if client.IsErrNotFound(err) {
|
||||
io, err := ms.apiClient.ImagePull(ctx, r.Image, types.ImagePullOptions{})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
scanner := bufio.NewScanner(io)
|
||||
|
||||
// Read the whole body, otherwise the pulling stops
|
||||
for scanner.Scan() {
|
||||
}
|
||||
|
||||
if err = scanner.Err(); err != nil {
|
||||
return err
|
||||
}
|
||||
if err = io.Close(); err != nil {
|
||||
return err
|
||||
}
|
||||
created, err = ms.apiClient.ContainerCreate(ctx, containerConfig, hostConfig, nil, r.ID)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
} else {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
return ms.apiClient.ContainerStart(ctx, created.ID, types.ContainerStartOptions{})
|
||||
}
|
||||
|
||||
func (ms *local) Start(ctx context.Context, containerID string) error {
|
||||
return ms.apiClient.ContainerStart(ctx, containerID, types.ContainerStartOptions{})
|
||||
}
|
||||
|
||||
func (ms *local) Stop(ctx context.Context, containerID string, timeout *uint32) error {
|
||||
var t *time.Duration
|
||||
if timeout != nil {
|
||||
timeoutValue := time.Duration(*timeout) * time.Second
|
||||
t = &timeoutValue
|
||||
}
|
||||
return ms.apiClient.ContainerStop(ctx, containerID, t)
|
||||
}
|
||||
|
||||
func (ms *local) Kill(ctx context.Context, containerID string, signal string) error {
|
||||
return ms.apiClient.ContainerKill(ctx, containerID, signal)
|
||||
}
|
||||
|
||||
func (ms *local) Exec(ctx context.Context, name string, request containers.ExecRequest) error {
|
||||
cec, err := ms.apiClient.ContainerExecCreate(ctx, name, types.ExecConfig{
|
||||
Cmd: []string{request.Command},
|
||||
Tty: true,
|
||||
AttachStdin: true,
|
||||
AttachStdout: true,
|
||||
AttachStderr: true,
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
resp, err := ms.apiClient.ContainerExecAttach(ctx, cec.ID, types.ExecStartCheck{
|
||||
Tty: true,
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
defer resp.Close()
|
||||
|
||||
readChannel := make(chan error, 10)
|
||||
writeChannel := make(chan error, 10)
|
||||
|
||||
go func() {
|
||||
_, err := io.Copy(request.Stdout, resp.Reader)
|
||||
readChannel <- err
|
||||
}()
|
||||
|
||||
go func() {
|
||||
_, err := io.Copy(resp.Conn, request.Stdin)
|
||||
writeChannel <- err
|
||||
}()
|
||||
|
||||
for {
|
||||
select {
|
||||
case err := <-readChannel:
|
||||
return err
|
||||
case err := <-writeChannel:
|
||||
return err
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (ms *local) Logs(ctx context.Context, containerName string, request containers.LogsRequest) error {
|
||||
c, err := ms.apiClient.ContainerInspect(ctx, containerName)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
r, err := ms.apiClient.ContainerLogs(ctx, containerName, types.ContainerLogsOptions{
|
||||
ShowStdout: true,
|
||||
ShowStderr: true,
|
||||
Follow: request.Follow,
|
||||
})
|
||||
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// nolint errcheck
|
||||
defer r.Close()
|
||||
|
||||
if c.Config.Tty {
|
||||
_, err = io.Copy(request.Writer, r)
|
||||
} else {
|
||||
_, err = stdcopy.StdCopy(request.Writer, request.Writer, r)
|
||||
}
|
||||
|
||||
return err
|
||||
}
|
||||
|
||||
func (ms *local) Delete(ctx context.Context, containerID string, request containers.DeleteRequest) error {
|
||||
err := ms.apiClient.ContainerRemove(ctx, containerID, types.ContainerRemoveOptions{
|
||||
Force: request.Force,
|
||||
})
|
||||
if client.IsErrNotFound(err) {
|
||||
return errors.Wrapf(errdefs.ErrNotFound, "container %q", containerID)
|
||||
}
|
||||
return err
|
||||
}
|
||||
|
|
|
@ -0,0 +1,250 @@
|
|||
// +build local
|
||||
|
||||
/*
|
||||
Copyright 2020 Docker Compose CLI authors
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package local
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"context"
|
||||
"io"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/docker/docker/api/types"
|
||||
"github.com/docker/docker/api/types/container"
|
||||
"github.com/docker/docker/client"
|
||||
"github.com/docker/docker/pkg/stdcopy"
|
||||
"github.com/docker/docker/pkg/stringid"
|
||||
"github.com/pkg/errors"
|
||||
|
||||
"github.com/docker/compose-cli/api/containers"
|
||||
"github.com/docker/compose-cli/errdefs"
|
||||
)
|
||||
|
||||
type containerService struct {
|
||||
apiClient *client.Client
|
||||
}
|
||||
|
||||
func (cs *containerService) Inspect(ctx context.Context, id string) (containers.Container, error) {
|
||||
c, err := cs.apiClient.ContainerInspect(ctx, id)
|
||||
if err != nil {
|
||||
return containers.Container{}, err
|
||||
}
|
||||
|
||||
status := ""
|
||||
if c.State != nil {
|
||||
status = c.State.Status
|
||||
}
|
||||
|
||||
command := ""
|
||||
if c.Config != nil &&
|
||||
c.Config.Cmd != nil {
|
||||
command = strings.Join(c.Config.Cmd, " ")
|
||||
}
|
||||
|
||||
rc := toRuntimeConfig(&c)
|
||||
hc := toHostConfig(&c)
|
||||
|
||||
return containers.Container{
|
||||
ID: stringid.TruncateID(c.ID),
|
||||
Status: status,
|
||||
Image: c.Image,
|
||||
Command: command,
|
||||
Platform: c.Platform,
|
||||
Config: rc,
|
||||
HostConfig: hc,
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (cs *containerService) List(ctx context.Context, all bool) ([]containers.Container, error) {
|
||||
css, err := cs.apiClient.ContainerList(ctx, types.ContainerListOptions{
|
||||
All: all,
|
||||
})
|
||||
|
||||
if err != nil {
|
||||
return []containers.Container{}, err
|
||||
}
|
||||
|
||||
var result []containers.Container
|
||||
for _, container := range css {
|
||||
result = append(result, containers.Container{
|
||||
ID: stringid.TruncateID(container.ID),
|
||||
Image: container.Image,
|
||||
// TODO: `Status` is a human readable string ("Up 24 minutes"),
|
||||
// we need to return the `State` instead but first we need to
|
||||
// define an enum on the proto side with all the possible container
|
||||
// statuses. We also need to add a `Created` property on the gRPC side.
|
||||
Status: container.Status,
|
||||
Command: container.Command,
|
||||
Ports: toPorts(container.Ports),
|
||||
})
|
||||
}
|
||||
|
||||
return result, nil
|
||||
}
|
||||
|
||||
func (cs *containerService) Run(ctx context.Context, r containers.ContainerConfig) error {
|
||||
exposedPorts, hostBindings, err := fromPorts(r.Ports)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
containerConfig := &container.Config{
|
||||
Image: r.Image,
|
||||
Labels: r.Labels,
|
||||
Env: r.Environment,
|
||||
ExposedPorts: exposedPorts,
|
||||
}
|
||||
hostConfig := &container.HostConfig{
|
||||
PortBindings: hostBindings,
|
||||
AutoRemove: r.AutoRemove,
|
||||
RestartPolicy: toRestartPolicy(r.RestartPolicyCondition),
|
||||
Resources: container.Resources{
|
||||
NanoCPUs: int64(r.CPULimit * 1e9),
|
||||
Memory: int64(r.MemLimit),
|
||||
},
|
||||
}
|
||||
|
||||
created, err := cs.apiClient.ContainerCreate(ctx, containerConfig, hostConfig, nil, r.ID)
|
||||
|
||||
if err != nil {
|
||||
if client.IsErrNotFound(err) {
|
||||
io, err := cs.apiClient.ImagePull(ctx, r.Image, types.ImagePullOptions{})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
scanner := bufio.NewScanner(io)
|
||||
|
||||
// Read the whole body, otherwise the pulling stops
|
||||
for scanner.Scan() {
|
||||
}
|
||||
|
||||
if err = scanner.Err(); err != nil {
|
||||
return err
|
||||
}
|
||||
if err = io.Close(); err != nil {
|
||||
return err
|
||||
}
|
||||
created, err = cs.apiClient.ContainerCreate(ctx, containerConfig, hostConfig, nil, r.ID)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
} else {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
return cs.apiClient.ContainerStart(ctx, created.ID, types.ContainerStartOptions{})
|
||||
}
|
||||
|
||||
func (cs *containerService) Start(ctx context.Context, containerID string) error {
|
||||
return cs.apiClient.ContainerStart(ctx, containerID, types.ContainerStartOptions{})
|
||||
}
|
||||
|
||||
func (cs *containerService) Stop(ctx context.Context, containerID string, timeout *uint32) error {
|
||||
var t *time.Duration
|
||||
if timeout != nil {
|
||||
timeoutValue := time.Duration(*timeout) * time.Second
|
||||
t = &timeoutValue
|
||||
}
|
||||
return cs.apiClient.ContainerStop(ctx, containerID, t)
|
||||
}
|
||||
|
||||
func (cs *containerService) Kill(ctx context.Context, containerID string, signal string) error {
|
||||
return cs.apiClient.ContainerKill(ctx, containerID, signal)
|
||||
}
|
||||
|
||||
func (cs *containerService) Exec(ctx context.Context, name string, request containers.ExecRequest) error {
|
||||
cec, err := cs.apiClient.ContainerExecCreate(ctx, name, types.ExecConfig{
|
||||
Cmd: []string{request.Command},
|
||||
Tty: true,
|
||||
AttachStdin: true,
|
||||
AttachStdout: true,
|
||||
AttachStderr: true,
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
resp, err := cs.apiClient.ContainerExecAttach(ctx, cec.ID, types.ExecStartCheck{
|
||||
Tty: true,
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
defer resp.Close()
|
||||
|
||||
readChannel := make(chan error, 10)
|
||||
writeChannel := make(chan error, 10)
|
||||
|
||||
go func() {
|
||||
_, err := io.Copy(request.Stdout, resp.Reader)
|
||||
readChannel <- err
|
||||
}()
|
||||
|
||||
go func() {
|
||||
_, err := io.Copy(resp.Conn, request.Stdin)
|
||||
writeChannel <- err
|
||||
}()
|
||||
|
||||
for {
|
||||
select {
|
||||
case err := <-readChannel:
|
||||
return err
|
||||
case err := <-writeChannel:
|
||||
return err
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (cs *containerService) Logs(ctx context.Context, containerName string, request containers.LogsRequest) error {
|
||||
c, err := cs.apiClient.ContainerInspect(ctx, containerName)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
r, err := cs.apiClient.ContainerLogs(ctx, containerName, types.ContainerLogsOptions{
|
||||
ShowStdout: true,
|
||||
ShowStderr: true,
|
||||
Follow: request.Follow,
|
||||
})
|
||||
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// nolint errcheck
|
||||
defer r.Close()
|
||||
|
||||
if c.Config.Tty {
|
||||
_, err = io.Copy(request.Writer, r)
|
||||
} else {
|
||||
_, err = stdcopy.StdCopy(request.Writer, request.Writer, r)
|
||||
}
|
||||
|
||||
return err
|
||||
}
|
||||
|
||||
func (cs *containerService) Delete(ctx context.Context, containerID string, request containers.DeleteRequest) error {
|
||||
err := cs.apiClient.ContainerRemove(ctx, containerID, types.ContainerRemoveOptions{
|
||||
Force: request.Force,
|
||||
})
|
||||
if client.IsErrNotFound(err) {
|
||||
return errors.Wrapf(errdefs.ErrNotFound, "container %q", containerID)
|
||||
}
|
||||
return err
|
||||
}
|
Loading…
Reference in New Issue