79 lines
3.0 KiB
Go
79 lines
3.0 KiB
Go
// Package daemonclient submits local CLI requests to the running daemon service.
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package daemonclient
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"net"
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"path/filepath"
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"yms-daemon/internal/daemonapi"
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)
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func Update(ctx context.Context, socketPath string, service string, inputType string, file string, progress func(daemonapi.Response)) (daemonapi.Response, error) {
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if !filepath.IsAbs(socketPath) || !filepath.IsAbs(file) {
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return daemonapi.Response{}, errors.New("daemon socket and update file paths must be absolute")
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}
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request := daemonapi.Request{Operation: daemonapi.OperationUpdate, Service: service, InputType: inputType, File: file}
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return submit(ctx, socketPath, request, progress)
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}
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func UpdateContainerImage(ctx context.Context, socketPath string, service string, imageReference string, startLog bool, progress func(daemonapi.Response)) (daemonapi.Response, error) {
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if !filepath.IsAbs(socketPath) {
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return daemonapi.Response{}, errors.New("daemon socket path must be absolute")
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}
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if imageReference == "" {
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return daemonapi.Response{}, errors.New("container image reference is required")
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}
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request := daemonapi.Request{Operation: daemonapi.OperationUpdate, Service: service, InputType: daemonapi.InputTypeContainerImage, ImageReference: imageReference, StartLog: startLog}
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return submit(ctx, socketPath, request, progress)
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}
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func Restart(ctx context.Context, socketPath string, service string, progress func(daemonapi.Response)) (daemonapi.Response, error) {
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if !filepath.IsAbs(socketPath) {
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return daemonapi.Response{}, errors.New("daemon socket path must be absolute")
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}
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request := daemonapi.Request{Operation: daemonapi.OperationRestart, Service: service}
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return submit(ctx, socketPath, request, progress)
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}
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func submit(ctx context.Context, socketPath string, request daemonapi.Request, progress func(daemonapi.Response)) (daemonapi.Response, error) {
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dialer := net.Dialer{}
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connection, err := dialer.DialContext(ctx, "unix", socketPath)
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if err != nil {
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return daemonapi.Response{}, fmt.Errorf("connect to daemon service at %s: %w", socketPath, err)
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}
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defer connection.Close()
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if err := json.NewEncoder(connection).Encode(request); err != nil {
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return daemonapi.Response{}, fmt.Errorf("submit daemon request: %w", err)
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}
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if writer, ok := connection.(interface{ CloseWrite() error }); ok {
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if err := writer.CloseWrite(); err != nil {
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return daemonapi.Response{}, fmt.Errorf("finish daemon request: %w", err)
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}
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}
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decoder := json.NewDecoder(connection)
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decoder.DisallowUnknownFields()
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for {
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var response daemonapi.Response
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if err := decoder.Decode(&response); err != nil {
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return daemonapi.Response{}, fmt.Errorf("read daemon response: %w", err)
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}
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switch response.Kind {
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case daemonapi.ResponseProgress:
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if progress != nil {
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progress(response)
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}
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case daemonapi.ResponseResult:
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if response.Error != "" {
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return response, errors.New(response.Error)
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}
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return response, nil
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default:
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return daemonapi.Response{}, fmt.Errorf("daemon returned unsupported response kind %q", response.Kind)
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}
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}
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}
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