optionnaly fix TLS certificate problems with new insecure option

config.example.yaml

@@ -9,6 +9,10 @@ grafana:
     # ignored by both the puller and the pusher. This setting is
     # case-insensitive and optional.
     ignore_prefix: test
+    # If set, skip verification of the TLS certificates
+    # You should not set it in Production environments
+    # boolean and optional.
+    insecure: false
 
 
 # Settings to interact with the Git repository. Currently only SSH repos are

src/config/config.go

@@ -28,6 +28,7 @@ type Config struct {
 // GrafanaSettings contains the data required to talk to the Grafana HTTP API.
 type GrafanaSettings struct {
 	BaseURL      string `yaml:"base_url"`
+	Insecure     bool   `yaml:"insecure,omitempty"`
 	APIKey       string `yaml:"api_key"`
 	IgnorePrefix string `yaml:"ignore_prefix,omitempty"`
 }

src/grafana/client.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"fmt"
 	"io/ioutil"
+	"crypto/tls"
 	"net/http"
 	"strings"
 
@@ -19,17 +20,24 @@ type Client struct {
 }
 
 // NewClient returns a new Grafana API client from a given base URL and API key.
-func NewClient(baseURL string, apiKey string) (c *Client) {
+func NewClient(baseURL string, apiKey string, insecure bool) (c *Client) {
 	// Grafana doesn't support double slashes in the API routes, so we strip the
 	// last slash if there's one, because request() will append one anyway.
 	if strings.HasSuffix(baseURL, "/") {
 		baseURL = baseURL[:len(baseURL)-1]
 	}
 
+        cl := new(http.Client)
+        if insecure {
+                tr := &http.Transport{
+                        TLSClientConfig: &tls.Config{InsecureSkipVerify : true},
+                }
+                cl.Transport = tr
+        }
 	return &Client{
 		BaseURL:    baseURL,
 		APIKey:     apiKey,
-		httpClient: new(http.Client),
+		httpClient: cl,
 	}
 }
 

src/puller/main.go

@@ -38,7 +38,7 @@ func main() {
 	}).Info("Sync mode set")
 
 	// Initialise the Grafana API client.
-	client := grafana.NewClient(cfg.Grafana.BaseURL, cfg.Grafana.APIKey)
+	client := grafana.NewClient(cfg.Grafana.BaseURL, cfg.Grafana.APIKey, cfg.Grafana.Insecure)
 	// Run the puller.
 	if err := PullGrafanaAndCommit(client, cfg); err != nil {
 		logrus.Panic(err)

src/pusher/main.go

@@ -40,7 +40,7 @@ func main() {
 	}
 
 	// Initialise the Grafana API client.
-	grafanaClient := grafana.NewClient(cfg.Grafana.BaseURL, cfg.Grafana.APIKey)
+	grafanaClient := grafana.NewClient(cfg.Grafana.BaseURL, cfg.Grafana.APIKey, cfg.Grafana.Insecure)
 
 	// Set up either a webhook or a poller depending on the mode specified in the
 	// configuration file.