Add command for staff for controller logs

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

cmd/controller-logs.go

@@ -0,0 +1,66 @@
+package cmd
+
+import (
+	"fmt"
+	"net/http"
+	"os"
+	"time"
+
+	"github.com/self-actuated/actuated-cli/pkg"
+	"github.com/spf13/cobra"
+)
+
+func makeControllerLogs() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "logs",
+		Short: "Fetch logs from the controller's systemd service",
+		Example: `  # Latest logs for a given host:
+  actuated controller logs --age 15m
+  `,
+	}
+
+	cmd.RunE = runControllerLogsE
+
+	cmd.Flags().DurationP("age", "a", time.Minute*15, "Age of logs to fetch")
+	cmd.Flags().StringP("output", "o", "cat", "Output format, use \"cat\" for brevity")
+
+	return cmd
+}
+
+func runControllerLogsE(cmd *cobra.Command, args []string) error {
+
+	pat, err := getPat(cmd)
+	if err != nil {
+		return err
+	}
+
+	outputFormat, err := cmd.Flags().GetString("output")
+	if err != nil {
+		return err
+	}
+	age, err := cmd.Flags().GetDuration("age")
+	if err != nil {
+		return err
+	}
+
+	if len(pat) == 0 {
+		return fmt.Errorf("pat is required")
+	}
+
+	c := pkg.NewClient(http.DefaultClient, os.Getenv("ACTUATED_URL"))
+
+	res, status, err := c.GetControllerLogs(pat, outputFormat, age)
+
+	if err != nil {
+		return err
+	}
+
+	if status != http.StatusOK {
+		return fmt.Errorf("unexpected status code: %d, body: %s", status, res)
+	}
+
+	fmt.Println(res)
+
+	return nil
+
+}

cmd/controller.go

@@ -0,0 +1,20 @@
+package cmd
+
+import (
+	"github.com/spf13/cobra"
+)
+
+func makeController() *cobra.Command {
+
+	controller := &cobra.Command{
+		Use:           "controller",
+		Short:         "Staff commands for the controller",
+		Hidden:        true,
+		SilenceErrors: true,
+		SilenceUsage:  true,
+	}
+
+	controller.AddCommand(makeControllerLogs())
+
+	return controller
+}

cmd/root.go

@@ -53,6 +53,8 @@ https://github.com/self-actuated/actuated-cli
 	root.AddCommand(makeAuth())
 	root.AddCommand(MakeVersion())
 
+	root.AddCommand(makeController())
+
 }
 
 func Execute() error {

cmd/upgrade.go

@@ -100,7 +100,6 @@ func runUpgradeE(cmd *cobra.Command, args []string) error {
 		}
 
 		if len(hostsList) == 0 {
-
 			return fmt.Errorf("no hosts found")
 		}
 		upgradeHosts = hostsList

pkg/client.go

@@ -285,6 +285,57 @@ func (c *Client) GetAgentLogs(patStr, owner, host string, age time.Duration, sta
 	return string(body), res.StatusCode, nil
 }
 
+func (c *Client) GetControllerLogs(patStr, outputFormat string, age time.Duration) (string, int, error) {
+
+	mins := int(age.Minutes())
+
+	u, _ := url.Parse(c.baseURL)
+	u.Path = "/api/v1/controller/logs"
+
+	q := u.Query()
+
+	q.Set("age", fmt.Sprintf("%dm", mins))
+
+	if len(outputFormat) > 0 {
+		q.Set("output", outputFormat)
+	}
+
+	u.RawQuery = q.Encode()
+
+	req, err := http.NewRequest(http.MethodGet, u.String(), nil)
+	if err != nil {
+		return "", http.StatusBadRequest, err
+	}
+
+	req.Header.Set("Authorization", "Bearer "+patStr)
+
+	if os.Getenv("DEBUG") == "1" {
+		sanitised := http.Header{}
+		for k, v := range req.Header {
+
+			if k == "Authorization" {
+				v = []string{"redacted"}
+			}
+			sanitised[k] = v
+		}
+
+		fmt.Printf("URL %s\nHeaders: %v\n", u.String(), sanitised)
+	}
+
+	res, err := c.httpClient.Do(req)
+	if err != nil {
+		return "", http.StatusBadRequest, err
+	}
+
+	var body []byte
+	if res.Body != nil {
+		defer res.Body.Close()
+		body, _ = io.ReadAll(res.Body)
+	}
+
+	return string(body), res.StatusCode, nil
+}
+
 func (c *Client) UpgradeAgent(patStr, owner, host string, force bool, staff bool) (string, int, error) {
 
 	u, _ := url.Parse(c.baseURL)