From f9b48f0b067fa99afa485c2aecf3dfec99028033 Mon Sep 17 00:00:00 2001
From: Nurlan Moldomurov <bupychuk1989@gmail.com>
Date: Wed, 3 Apr 2024 12:49:22 +0300
Subject: [PATCH] PMM-3303 Monitor internal clickhouse

---
 managed/services/victoriametrics/prometheus.go    |  8 ++++----
 .../services/victoriametrics/scrape_configs.go    | 15 +++++++++++++++
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/managed/services/victoriametrics/prometheus.go b/managed/services/victoriametrics/prometheus.go
index 717868763f..2e6ed372c8 100644
--- a/managed/services/victoriametrics/prometheus.go
+++ b/managed/services/victoriametrics/prometheus.go
@@ -17,13 +17,12 @@ package victoriametrics
 
 import (
 	"github.com/AlekSi/pointer"
+	"github.com/percona/pmm/managed/models"
+	"github.com/percona/pmm/version"
 	config "github.com/percona/promconfig"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
 	"gopkg.in/reform.v1"
-
-	"github.com/percona/pmm/managed/models"
-	"github.com/percona/pmm/version"
 )
 
 // AddScrapeConfigs - adds agents scrape configuration to given scrape config,
@@ -209,7 +208,8 @@ func AddInternalServicesToScrape(cfg *config.Config, s models.MetricsResolutions
 		scrapeConfigForAlertmanager(s.MR),
 		scrapeConfigForGrafana(s.MR),
 		scrapeConfigForPMMManaged(s.MR),
-		scrapeConfigForQANAPI2(s.MR))
+		scrapeConfigForQANAPI2(s.MR),
+		scrapeConfigForClickhouse(s.MR))
 	// TODO Refactor to remove boolean positional parameter when Prometheus is removed
 	if dbaas {
 		cfg.ScrapeConfigs = append(cfg.ScrapeConfigs, scrapeConfigForDBaaSController(s.MR))
diff --git a/managed/services/victoriametrics/scrape_configs.go b/managed/services/victoriametrics/scrape_configs.go
index 6c05e6c716..fc54b785eb 100644
--- a/managed/services/victoriametrics/scrape_configs.go
+++ b/managed/services/victoriametrics/scrape_configs.go
@@ -62,6 +62,21 @@ func scrapeConfigForAlertmanager(interval time.Duration) *config.ScrapeConfig {
 	}
 }
 
+func scrapeConfigForClickhouse(mr time.Duration) *config.ScrapeConfig {
+	return &config.ScrapeConfig{
+		JobName:        "clickhouse",
+		ScrapeInterval: config.Duration(mr),
+		ScrapeTimeout:  scrapeTimeout(mr),
+		MetricsPath:    "/metrics",
+		ServiceDiscoveryConfig: config.ServiceDiscoveryConfig{
+			StaticConfigs: []*config.Group{{
+				Targets: []string{"127.0.0.1:9363"},
+				Labels:  map[string]string{"instance": "pmm-server"},
+			}},
+		},
+	}
+}
+
 func scrapeConfigForGrafana(interval time.Duration) *config.ScrapeConfig {
 	return &config.ScrapeConfig{
 		JobName:        "grafana",