From 19c2288a4b3537d654163124292d41ab4ac28f74 Mon Sep 17 00:00:00 2001
From: Erik Timan <erik.timan@emqx.io>
Date: Tue, 7 Feb 2023 15:42:55 +0100
Subject: [PATCH 1/3] feat(emqx_prometheus): expose live_connections stats to
 prometheus

---
 apps/emqx_prometheus/src/emqx_prometheus.erl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/apps/emqx_prometheus/src/emqx_prometheus.erl b/apps/emqx_prometheus/src/emqx_prometheus.erl
index a66f275f8..4712a43c8 100644
--- a/apps/emqx_prometheus/src/emqx_prometheus.erl
+++ b/apps/emqx_prometheus/src/emqx_prometheus.erl
@@ -219,6 +219,10 @@ emqx_collect(emqx_connections_count, Stats) ->
     gauge_metric(?C('connections.count', Stats));
 emqx_collect(emqx_connections_max, Stats) ->
     gauge_metric(?C('connections.max', Stats));
+emqx_collect(emqx_live_connections_count, Stats) ->
+    gauge_metric(?C('live_connections.count', Stats));
+emqx_collect(emqx_live_connections_max, Stats) ->
+    gauge_metric(?C('live_connections.max', Stats));
 %% sessions
 emqx_collect(emqx_sessions_count, Stats) ->
     gauge_metric(?C('sessions.count', Stats));
@@ -460,6 +464,8 @@ emqx_stats() ->
     [
         emqx_connections_count,
         emqx_connections_max,
+        emqx_live_connections_count,
+        emqx_live_connections_max,
         emqx_sessions_count,
         emqx_sessions_max,
         emqx_topics_count,

From 784ec0c0a524f76211f31aac60324bc479bf636a Mon Sep 17 00:00:00 2001
From: Erik Timan <erik.timan@emqx.io>
Date: Tue, 7 Feb 2023 15:53:40 +0100
Subject: [PATCH 2/3] chore: bump VSN

---
 apps/emqx_prometheus/src/emqx_prometheus.app.src | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/emqx_prometheus/src/emqx_prometheus.app.src b/apps/emqx_prometheus/src/emqx_prometheus.app.src
index 31f8cbfaf..013de63fb 100644
--- a/apps/emqx_prometheus/src/emqx_prometheus.app.src
+++ b/apps/emqx_prometheus/src/emqx_prometheus.app.src
@@ -2,7 +2,7 @@
 {application, emqx_prometheus, [
     {description, "Prometheus for EMQX"},
     % strict semver, bump manually!
-    {vsn, "5.0.4"},
+    {vsn, "5.0.5"},
     {modules, []},
     {registered, [emqx_prometheus_sup]},
     {applications, [kernel, stdlib, prometheus, emqx]},

From 06df3a912632b8644c487ba84ca7a446a5ec57f4 Mon Sep 17 00:00:00 2001
From: Erik Timan <erik.timan@emqx.io>
Date: Tue, 7 Feb 2023 15:47:41 +0100
Subject: [PATCH 3/3] chore: add changes

---
 changes/v5.0.17/feat-9930.en.md | 1 +
 changes/v5.0.17/feat-9930.zh.md | 1 +
 2 files changed, 2 insertions(+)
 create mode 100644 changes/v5.0.17/feat-9930.en.md
 create mode 100644 changes/v5.0.17/feat-9930.zh.md

diff --git a/changes/v5.0.17/feat-9930.en.md b/changes/v5.0.17/feat-9930.en.md
new file mode 100644
index 000000000..1747bb23e
--- /dev/null
+++ b/changes/v5.0.17/feat-9930.en.md
@@ -0,0 +1 @@
+Expose the stats `live_connections.count` and `live_connections.max` to Prometheus.
diff --git a/changes/v5.0.17/feat-9930.zh.md b/changes/v5.0.17/feat-9930.zh.md
new file mode 100644
index 000000000..d17c1cf68
--- /dev/null
+++ b/changes/v5.0.17/feat-9930.zh.md
@@ -0,0 +1 @@
+将统计数据 `live_connections.count` 和 `live_connections.max` 公开给 Prometheus.