Postgres: Make pg_stat_statements configurable

charts/postgreslet/Chart.yaml

@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.10.0
+version: 0.10.1
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to

charts/postgreslet/templates/configmap-sidecars.yaml

@@ -2,7 +2,11 @@ apiVersion: v1
 data:
   postgres-exporter-service-port: {{ .Values.sidecars.exporter.servicePort | quote }}
   postgres-exporter-service-target-port: {{ .Values.sidecars.exporter.containerPort | quote }}
+{{- if .Values.sidecars.exporter.enableStatementsQuery }}
+  queries.yaml: {{ printf "%s\n%s" .Values.sidecars.exporter.queries .Values.sidecars.exporter.queriesStatements | b64enc  }}
+{{- else }}
   queries.yaml: {{ b64enc .Values.sidecars.exporter.queries }}
+{{- end }}
   fluent-bit.conf: {{ b64enc .Values.sidecars.fluentbit.conf }}
   sidecars: |
     - name: postgres-exporter

charts/postgreslet/values.yaml

@@ -438,3 +438,67 @@ sidecars:
           - size:
               usage: "GAUGE"
               description: "Disk space used by the database"
+    queriesStatements: |+
+      pg_stat_statements:
+        query: "SELECT
+                    pg_get_userbyid(userid) as user,
+                    pg_database.datname,
+                    pg_stat_statements.queryid,
+                    pg_stat_statements.query,
+                    pg_stat_statements.calls,
+                    pg_stat_statements.total_time as time_milliseconds,
+                    pg_stat_statements.rows,
+                    pg_stat_statements.shared_blks_hit,
+                    pg_stat_statements.shared_blks_read,
+                    pg_stat_statements.shared_blks_dirtied,
+                    pg_stat_statements.shared_blks_written,
+                    pg_stat_statements.local_blks_hit,
+                    pg_stat_statements.local_blks_read,
+                    pg_stat_statements.local_blks_dirtied,
+                    pg_stat_statements.local_blks_written,
+                    pg_stat_statements.temp_blks_read,
+                    pg_stat_statements.temp_blks_written,
+                    pg_stat_statements.blk_read_time,
+                    pg_stat_statements.blk_write_time
+                FROM pg_stat_statements
+                JOIN pg_database
+                ON pg_database.oid = pg_stat_statements.dbid"
+        metrics:
+            - user:
+                usage: "LABEL"
+                description: "The user who executed the statement"
+            - datname:
+                usage: "LABEL"
+                description: "The database in which the statement was executed"
+            - queryid:
+                usage: "LABEL"
+                description: "Internal hash code, computed from the statement's parse tree"
+            - query:
+                usage: "LABEL"
+                description: "Processed query"
+            - calls:
+                usage: "COUNTER"
+                description: "Number of times executed"
+            - time_milliseconds:
+                usage: "COUNTER"
+                description: "Total time spent in the statement, in milliseconds"
+            - rows:
+                usage: "COUNTER"
+                description: "Total number of rows retrieved or affected by the statement"
+            - shared_blks_hit:
+                usage: "COUNTER"
+                description: "Total number of shared block cache hits by the statement"
+            - shared_blks_read:
+                usage: "COUNTER"
+                description: "Total number of shared blocks read by the statement"
+            - shared_blks_dirtied:
+                usage: "COUNTER"
+                description: "Total number of shared blocks dirtied by the statement"
+            - shared_blks_written:
+                usage: "COUNTER"
+                description: "Total number of shared blocks written by the statement"
+            - local_blks_hit:
+                usage: "COUNTER"
+                description: "Total number of local block cache hits by the statement"
+    enableStatementsQuery: false
+