Add posts stats

internal/metrics/collector.go

@@ -65,6 +65,10 @@ var (
 		metricPrefix+"users_active_half_year",
 		"Number of active users of the last half year.",
 		nil, nil)
+	posts = prometheus.NewDesc(
+		metricPrefix+"posts",
+		"Number of posts.",
+		[]string{"direction", "type"}, nil)
 	usersPending = prometheus.NewDesc(
 		metricPrefix+"users_pending",
 		"Number of pending users.",
@@ -113,6 +117,7 @@ func (c *friendicaCollector) Describe(ch chan<- *prometheus.Desc) {
 	ch <- usersActiveMonth
 	ch <- usersActiveHalfYear
 	ch <- usersPending
+	ch <- posts
 }
 
 func (c *friendicaCollector) Collect(ch chan<- prometheus.Metric) {
@@ -165,6 +170,10 @@ func readMetrics(ch chan<- prometheus.Metric, status *serverinfo.ServerInfo) err
 		return err
 	}
 
+	if err := collectPosts(ch, status); err != nil {
+		return err
+	}
+
 	return nil
 }
 
@@ -361,3 +370,49 @@ func collectLastExecutions(ch chan<- prometheus.Metric, status *serverinfo.Serve
 
 	return nil
 }
+
+type postMetric struct {
+	desc      *prometheus.Desc
+	value     float64
+	direction string
+	postType  string
+}
+
+func collectPosts(ch chan<- prometheus.Metric, status *serverinfo.ServerInfo) error {
+	metrics := []postMetric{
+		{
+			desc:      posts,
+			value:     float64(status.Posts.Inbound.Posts),
+			direction: "inbound",
+			postType:  "posts",
+		},
+		{
+			desc:      posts,
+			value:     float64(status.Posts.Inbound.Comments),
+			direction: "inbound",
+			postType:  "comments",
+		},
+		{
+			desc:      posts,
+			value:     float64(status.Posts.Outbound.Posts),
+			direction: "outbound",
+			postType:  "posts",
+		},
+		{
+			desc:      posts,
+			value:     float64(status.Posts.Outbound.Comments),
+			direction: "outbound",
+			postType:  "comments",
+		},
+	}
+
+	for _, m := range metrics {
+		metric, err := prometheus.NewConstMetric(m.desc, prometheus.GaugeValue, m.value, m.direction, m.postType)
+		if err != nil {
+			return fmt.Errorf("error creating metric for %s: %w", m.desc, err)
+		}
+		ch <- metric
+	}
+
+	return nil
+}

serverinfo/serverinfo.go

@@ -5,6 +5,7 @@ type ServerInfo struct {
 	Cron    Cron    `json:"cron"`
 	Worker  Worker  `json:"worker"`
 	Users   Users   `json:"users"`
+	Posts   Posts   `json:"posts"`
 	Packets Packets `json:"packets"`
 	Reports Reports `json:"reports"`
 	Update  Update  `json:"update"`
@@ -45,7 +46,7 @@ type Worker struct {
 	LastExecution DateTimeTimestamp `json:"lastExecution"`
 	JPM           JPM               `json:"jpm"`
 	Active        WorkerCount       `json:"active"`
-	Defferd       []int64           `json:"defferd"`
+	Deferred      []int64           `json:"deferrd"`
 	Total         WorkerCount       `json:"total"`
 }