Refactor on services

This refactors the interfaces and implementations of
services

Signed-off-by: Ulysses Souza <ulyssessouza@gmail.com>
This commit is contained in:
Ulysses Souza 2020-05-05 15:37:12 +02:00
parent 03e418cbbb
commit ba455916c6
10 changed files with 93 additions and 47 deletions

View File

@ -21,11 +21,6 @@ import (
"github.com/docker/api/context/store"
)
type aciApiService struct {
containerGroupsClient containerinstance.ContainerGroupsClient
ctx store.AciContext
}
func init() {
backend.Register("aci", "aci", func(ctx context.Context) (interface{}, error) {
return New(ctx)
@ -36,13 +31,8 @@ func getter() interface{} {
return &store.AciContext{}
}
type AciService interface {
containers.ContainerService
compose.Service
}
// New creates a backend that can manage containers on ACI
func New(ctx context.Context) (AciService, error) {
// New creates a backend that can manage containers
func New(ctx context.Context) (backend.Service, error) {
currentContext := apicontext.CurrentContext(ctx)
contextStore, err := store.New()
if err != nil {
@ -58,13 +48,47 @@ func New(ctx context.Context) (AciService, error) {
containerGroupsClient := containerinstance.NewContainerGroupsClient(aciContext.SubscriptionID)
containerGroupsClient.Authorizer = auth
return &aciApiService{
containerGroupsClient: containerGroupsClient,
ctx: aciContext,
}, nil
return getAciApiService(containerGroupsClient, aciContext), nil
}
func (cs *aciApiService) List(ctx context.Context) ([]containers.Container, error) {
func getAciApiService(cgc containerinstance.ContainerGroupsClient, aciCtx store.AciContext) *aciApiService {
return &aciApiService{
container: aciContainerService{
containerGroupsClient: cgc,
ctx: aciCtx,
},
compose: aciComposeService{
containerGroupsClient: cgc,
ctx: aciCtx,
},
}
}
type aciApiService struct {
container aciContainerService
compose aciComposeService
}
func (a *aciApiService) ContainerService() containers.Service {
return &aciContainerService{
containerGroupsClient: a.container.containerGroupsClient,
ctx: a.container.ctx,
}
}
func (a *aciApiService) ComposeService() compose.Service {
return &aciComposeService{
containerGroupsClient: a.compose.containerGroupsClient,
ctx: a.compose.ctx,
}
}
type aciContainerService struct {
containerGroupsClient containerinstance.ContainerGroupsClient
ctx store.AciContext
}
func (cs *aciContainerService) List(ctx context.Context) ([]containers.Container, error) {
var containerGroups []containerinstance.ContainerGroup
result, err := cs.containerGroupsClient.ListByResourceGroup(ctx, cs.ctx.ResourceGroup)
if err != nil {
@ -101,7 +125,7 @@ func (cs *aciApiService) List(ctx context.Context) ([]containers.Container, erro
return res, nil
}
func (cs *aciApiService) Run(ctx context.Context, r containers.ContainerConfig) error {
func (cs *aciContainerService) Run(ctx context.Context, r containers.ContainerConfig) error {
var ports []types.ServicePortConfig
for _, p := range r.Ports {
ports = append(ports, types.ServicePortConfig{
@ -132,7 +156,7 @@ func (cs *aciApiService) Run(ctx context.Context, r containers.ContainerConfig)
return err
}
func (cs *aciApiService) Exec(ctx context.Context, name string, command string, reader io.Reader, writer io.Writer) error {
func (cs *aciContainerService) Exec(ctx context.Context, name string, command string, reader io.Reader, writer io.Writer) error {
containerExecResponse, err := execACIContainer(ctx, cs.ctx, command, name, name)
if err != nil {
return err
@ -147,7 +171,7 @@ func (cs *aciApiService) Exec(ctx context.Context, name string, command string,
)
}
func (cs *aciApiService) Logs(ctx context.Context, containerName string, req containers.LogsRequest) error {
func (cs *aciContainerService) Logs(ctx context.Context, containerName string, req containers.LogsRequest) error {
logs, err := getACIContainerLogs(ctx, cs.ctx, containerName, containerName)
if err != nil {
return err
@ -169,7 +193,12 @@ func (cs *aciApiService) Logs(ctx context.Context, containerName string, req con
return err
}
func (cs *aciApiService) Up(ctx context.Context, opts compose.ProjectOptions) error {
type aciComposeService struct {
containerGroupsClient containerinstance.ContainerGroupsClient
ctx store.AciContext
}
func (cs *aciComposeService) Up(ctx context.Context, opts compose.ProjectOptions) error {
project, err := compose.ProjectFromOptions(&opts)
if err != nil {
return err
@ -183,7 +212,7 @@ func (cs *aciApiService) Up(ctx context.Context, opts compose.ProjectOptions) er
return err
}
func (cs *aciApiService) Down(ctx context.Context, opts compose.ProjectOptions) error {
func (cs *aciComposeService) Down(ctx context.Context, opts compose.ProjectOptions) error {
project, err := compose.ProjectFromOptions(&opts)
if err != nil {
return err

View File

@ -4,6 +4,11 @@ import (
"context"
"errors"
"fmt"
"github.com/sirupsen/logrus"
"github.com/docker/api/compose"
"github.com/docker/api/containers"
)
var (
@ -24,17 +29,23 @@ var backends = struct {
r []*registeredBackend
}{}
// Aggregation of service interfaces
type Service interface {
ContainerService() containers.Service
ComposeService() compose.Service
}
// Register adds a typed backend to the registry
func Register(name string, backendType string, init initFunc) {
if name == "" {
panic(errNoName)
logrus.Fatal(errNoName)
}
if backendType == "" {
panic(errNoType)
logrus.Fatal(errNoType)
}
for _, b := range backends.r {
if b.backendType == backendType {
panic(errTypeRegistered)
logrus.Fatal(errTypeRegistered)
}
}

View File

@ -28,7 +28,7 @@ func upCommand() *cobra.Command {
if err != nil {
return err
}
return c.AciService().Up(cmd.Context(), *opts)
return c.ComposeService().Up(cmd.Context(), *opts)
},
}
upCmd.Flags().StringVar(&opts.Name, "name", "", "Project name")
@ -48,7 +48,7 @@ func downCommand() *cobra.Command {
if err != nil {
return err
}
return c.AciService().Down(cmd.Context(), *opts)
return c.ComposeService().Down(cmd.Context(), *opts)
},
}
downCmd.Flags().StringVar(&opts.Name, "name", "", "Project name")

View File

@ -62,5 +62,5 @@ func runExec(ctx context.Context, opts execOpts, name string, command string) er
stdout = con
}
return c.AciService().Exec(ctx, name, command, os.Stdin, stdout)
return c.ContainerService().Exec(ctx, name, command, os.Stdin, stdout)
}

View File

@ -46,5 +46,5 @@ func runLogs(ctx context.Context, containerName string, opts logsOpts) error {
Writer: os.Stdout,
}
return c.AciService().Logs(ctx, containerName, req)
return c.ContainerService().Logs(ctx, containerName, req)
}

View File

@ -23,7 +23,7 @@ var PsCommand = cobra.Command{
return errors.Wrap(err, "cannot connect to backend")
}
containers, err := c.AciService().List(ctx)
containers, err := c.ContainerService().List(ctx)
if err != nil {
return errors.Wrap(err, "fetch containers")
}

View File

@ -65,5 +65,5 @@ func runRun(ctx context.Context, image string, opts runOpts) error {
return err
}
return c.AciService().Run(ctx, project)
return c.ContainerService().Run(ctx, project)
}

View File

@ -31,11 +31,12 @@ import (
"context"
"errors"
"github.com/docker/api/azure"
"github.com/docker/api/backend"
backendv1 "github.com/docker/api/backend/v1"
cliv1 "github.com/docker/api/cli/v1"
"github.com/docker/api/compose"
composev1 "github.com/docker/api/compose/v1"
"github.com/docker/api/containers"
containersv1 "github.com/docker/api/containers/v1"
apicontext "github.com/docker/api/context"
"github.com/docker/api/context/store"
@ -57,13 +58,13 @@ func New(ctx context.Context) (*Client, error) {
return nil, err
}
aciService, ok := b.(azure.AciService)
service, ok := b.(backend.Service)
if !ok {
return nil, errors.New("backend not found")
}
return &Client{
backendType: contextType,
cc: aciService,
bs: service,
}, nil
}
@ -76,10 +77,15 @@ type Client struct {
composev1.ComposeClient
backendType string
cc azure.AciService
bs backend.Service
}
// AciService returns the backend service for the current context
func (c *Client) AciService() azure.AciService {
return c.cc
// ContainerService returns the backend service for the current context
func (c *Client) ContainerService() containers.Service {
return c.bs.ContainerService()
}
// ComposeService returns the backend service for the current context
func (c *Client) ComposeService() compose.Service {
return c.bs.ComposeService()
}

View File

@ -44,8 +44,8 @@ type LogsRequest struct {
Writer io.Writer
}
// ContainerService interacts with the underlying container backend
type ContainerService interface {
// Service interacts with the underlying container backend
type Service interface {
// List returns all the containers
List(ctx context.Context) ([]Container, error)
// Run creates and starts a container

View File

@ -31,7 +31,7 @@ type proxyContainerAPI struct{}
func (p *proxyContainerAPI) List(ctx context.Context, _ *v1.ListRequest) (*v1.ListResponse, error) {
client := Client(ctx)
c, err := client.AciService().List(ctx)
c, err := client.ContainerService().List(ctx)
if err != nil {
return &v1.ListResponse{}, nil
}
@ -52,7 +52,7 @@ func (p *proxyContainerAPI) List(ctx context.Context, _ *v1.ListRequest) (*v1.Li
func (p *proxyContainerAPI) Create(ctx context.Context, request *v1.CreateRequest) (*v1.CreateResponse, error) {
client := Client(ctx)
err := client.AciService().Run(ctx, containers.ContainerConfig{
err := client.ContainerService().Run(ctx, containers.ContainerConfig{
ID: request.Id,
Image: request.Image,
})