90 lines
2.7 KiB
Go
90 lines
2.7 KiB
Go
package updaterclient
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net"
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"net/http"
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"strings"
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"time"
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"infinite-canvas/backend/internal/hostupdate"
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)
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type Client struct {
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baseURL string
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token string
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http *http.Client
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}
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func New(socketPath, token string) *Client {
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dialer := &net.Dialer{Timeout: 3 * time.Second}
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transport := &http.Transport{
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DialContext: func(ctx context.Context, _, _ string) (net.Conn, error) {
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return dialer.DialContext(ctx, "unix", socketPath)
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},
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DisableKeepAlives: true,
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}
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return &Client{baseURL: "http://unix", token: strings.TrimSpace(token), http: &http.Client{Transport: transport, Timeout: 15 * time.Second}}
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}
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func (c *Client) Status(ctx context.Context) (hostupdate.Status, error) {
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return c.request(ctx, http.MethodGet, "/v1/status", nil)
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}
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func (c *Client) Check(ctx context.Context) (hostupdate.Status, error) {
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return c.request(ctx, http.MethodPost, "/v1/check", struct{}{})
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}
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func (c *Client) Start(ctx context.Context, targetVersion string) (hostupdate.Status, error) {
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return c.request(ctx, http.MethodPost, "/v1/update", hostupdate.StartRequest{TargetVersion: targetVersion})
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}
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func (c *Client) Rollback(ctx context.Context, reason string) (hostupdate.Status, error) {
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return c.request(ctx, http.MethodPost, "/v1/rollback", hostupdate.RollbackRequest{Reason: reason})
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}
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func (c *Client) request(ctx context.Context, method, path string, payload any) (hostupdate.Status, error) {
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var body io.Reader
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if payload != nil {
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encoded, err := json.Marshal(payload)
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if err != nil {
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return hostupdate.Status{}, err
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}
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body = bytes.NewReader(encoded)
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}
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request, err := http.NewRequestWithContext(ctx, method, c.baseURL+path, body)
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if err != nil {
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return hostupdate.Status{}, err
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}
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request.Header.Set("Authorization", "Bearer "+c.token)
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request.Header.Set("Accept", "application/json")
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if payload != nil {
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request.Header.Set("Content-Type", "application/json")
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}
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response, err := c.http.Do(request)
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if err != nil {
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return hostupdate.Status{}, fmt.Errorf("连接 Host Updater：%w", err)
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}
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defer response.Body.Close()
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limited := io.LimitReader(response.Body, 2<<20)
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if response.StatusCode < 200 || response.StatusCode >= 300 {
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var failure struct {
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Error string `json:"error"`
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Data hostupdate.Status `json:"data"`
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}
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if err := json.NewDecoder(limited).Decode(&failure); err == nil && failure.Error != "" {
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return failure.Data, fmt.Errorf("Host Updater：%s", failure.Error)
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}
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return hostupdate.Status{}, fmt.Errorf("Host Updater 返回 HTTP %d", response.StatusCode)
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}
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var status hostupdate.Status
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if err := json.NewDecoder(limited).Decode(&status); err != nil {
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return hostupdate.Status{}, fmt.Errorf("解析 Host Updater 响应：%w", err)
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}
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return status, nil
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}
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