chore(config): add gotemplate and content-type

Since #3622, webhooks can be configured with a gotemplate and a
content-type. This commit adds these two fields to the config file.

examples/config/global_config.yaml

@@ -111,11 +111,15 @@ output:
     #         host: localhost
     #         port: 8000
     #         timeout: 5s
+    #         gotemplate: /path/to/template/test.tmpl
+    #         content-type: application/json
     #     - webhook2:
     #         protocol: http
     #         host: localhost
     #         port: 9000
     #         timeout: 3s
+    #         gotemplate: /path/to/template/test.tmpl
+    #         content-type: application/json
 
     # options:
     #     none: false

pkg/cmd/cobra/config.go

@@ -280,6 +280,7 @@ func (c *LogConfig) flags() []string {
 	if c.Filters.LibBPF {
 		flags = append(flags, "filter:libbpf")
 	}
+
 	flags = append(flags, getLogFilterAttrFlags(false, c.Filters.In)...)
 	flags = append(flags, getLogFilterAttrFlags(true, c.Filters.Out)...)
 
@@ -404,6 +405,7 @@ func (c *OutputConfig) flags() []string {
 		if len(c.GoTemplate.Files) > 0 {
 			templateFlag += ":" + strings.Join(c.GoTemplate.Files, ",")
 		}
+
 		flags = append(flags, templateFlag)
 	}
 
@@ -432,6 +434,13 @@ func (c *OutputConfig) flags() []string {
 		if webhook.Timeout != "" {
 			url += fmt.Sprintf("?timeout=%s", webhook.Timeout)
 		}
+		if webhook.GoTemplate != "" {
+			url += fmt.Sprintf("?gotemplate=%s", webhook.GoTemplate)
+		}
+		if webhook.ContentType != "" {
+			url += fmt.Sprintf("?contentType=%s", webhook.ContentType)
+		}
+
 		flags = append(flags, fmt.Sprintf("webhook:%s", url))
 	}
 
@@ -468,8 +477,10 @@ type OutputForwardConfig struct {
 }
 
 type OutputWebhookConfig struct {
-	Protocol string `mapstructure:"protocol"`
-	Host     string `mapstructure:"host"`
-	Port     int    `mapstructure:"port"`
-	Timeout  string `mapstructure:"timeout"`
+	Protocol    string `mapstructure:"protocol"`
+	Host        string `mapstructure:"host"`
+	Port        int    `mapstructure:"port"`
+	Timeout     string `mapstructure:"timeout"`
+	GoTemplate  string `mapstructure:"gotemplate"`
+	ContentType string `mapstructure:"content-type"`
 }

pkg/cmd/cobra/config_test.go

@@ -354,11 +354,15 @@ output:
             host: localhost
             port: 8000
             timeout: 5s
+            gotemplate: /path/to/template1
+            content-type: application/json
         - webhook2:
             protocol: http
             host: localhost
             port: 9000
             timeout: 3s
+            gotemplate: /path/to/template2
+            content-type: application/ld+json
 `,
 			key: "output",
 			expectedFlags: []string{
@@ -376,8 +380,8 @@ output:
 				"gotemplate=template1:file3,file4",
 				"forward:tcp://user:[email protected]:24224?tag=tracee1",
 				"forward:udp://user:[email protected]:24225?tag=tracee2",
-				"webhook:http://localhost:8000?timeout=5s",
-				"webhook:http://localhost:9000?timeout=3s",
+				"webhook:http://localhost:8000?timeout=5s?gotemplate=/path/to/template1?contentType=application/json",
+				"webhook:http://localhost:9000?timeout=3s?gotemplate=/path/to/template2?contentType=application/ld+json",
 			},
 		},
 	}
@@ -1063,19 +1067,21 @@ func TestOutputConfigFlags(t *testing.T) {
 			},
 		},
 		{
-			name: "test webhook with timeout",
+			name: "test webhook with all fields",
 			config: OutputConfig{
 				Webhooks: map[string]OutputWebhookConfig{
 					"example3": {
-						Protocol: "http",
-						Host:     "webhook.com",
-						Port:     9090,
-						Timeout:  "5s",
+						Protocol:    "http",
+						Host:        "webhook.com",
+						Port:        9090,
+						Timeout:     "5s",
+						GoTemplate:  "/path/to/template1",
+						ContentType: "application/json",
 					},
 				},
 			},
 			expected: []string{
-				"webhook:http://webhook.com:9090?timeout=5s",
+				"webhook:http://webhook.com:9090?timeout=5s?gotemplate=/path/to/template1?contentType=application/json",
 			},
 		},
 		{