feat(cloudnativepg_operator): upgrade 1.23.2 -> 1.26.0

https://raw.githubusercontent.com/cloudnative-pg/cloudnative-pg/1535f3c1742525b93f4f8bbb7dd37e42e122f41f/releases/cnpg-1.26.0.yaml

ref: #15 #13 infrastructure/argo#3

manifests/cloudnativepg-operator/base/ConfigMap-cnpg-default-monitoring.yaml

@@ -78,6 +78,7 @@ data:
           , pg_catalog.age(datfrozenxid) AS xid_age
           , pg_catalog.mxid_age(datminmxid) AS mxid_age
         FROM pg_catalog.pg_database
+        WHERE datallowconn
       metrics:
         - datname:
             usage: "LABEL"
@@ -242,6 +243,71 @@ data:
             usage: "COUNTER"
             description: "Number of buffers allocated"
 
+    pg_stat_bgwriter_17:
+      runonserver: ">=17.0.0"
+      name: pg_stat_bgwriter
+      query: |
+        SELECT buffers_clean
+          , maxwritten_clean
+          , buffers_alloc
+          , EXTRACT(EPOCH FROM stats_reset) AS stats_reset_time
+        FROM pg_catalog.pg_stat_bgwriter
+      metrics:
+        - buffers_clean:
+            usage: "COUNTER"
+            description: "Number of buffers written by the background writer"
+        - maxwritten_clean:
+            usage: "COUNTER"
+            description: "Number of times the background writer stopped a cleaning scan because it had written too many buffers"
+        - buffers_alloc:
+            usage: "COUNTER"
+            description: "Number of buffers allocated"
+        - stats_reset_time:
+            usage: "GAUGE"
+            description: "Time at which these statistics were last reset"
+
+    pg_stat_checkpointer:
+      runonserver: ">=17.0.0"
+      query: |
+        SELECT num_timed AS checkpoints_timed
+          , num_requested AS checkpoints_req
+          , restartpoints_timed
+          , restartpoints_req
+          , restartpoints_done
+          , write_time
+          , sync_time
+          , buffers_written
+          , EXTRACT(EPOCH FROM stats_reset) AS stats_reset_time
+        FROM pg_catalog.pg_stat_checkpointer
+      metrics:
+        - checkpoints_timed:
+            usage: "COUNTER"
+            description: "Number of scheduled checkpoints that have been performed"
+        - checkpoints_req:
+            usage: "COUNTER"
+            description: "Number of requested checkpoints that have been performed"
+        - restartpoints_timed:
+            usage: "COUNTER"
+            description: "Number of scheduled restartpoints due to timeout or after a failed attempt to perform it"
+        - restartpoints_req:
+            usage: "COUNTER"
+            description: "Number of requested restartpoints that have been performed"
+        - restartpoints_done:
+            usage: "COUNTER"
+            description: "Number of restartpoints that have been performed"
+        - write_time:
+            usage: "COUNTER"
+            description: "Total amount of time that has been spent in the portion of processing checkpoints and restartpoints where files are written to disk, in milliseconds"
+        - sync_time:
+            usage: "COUNTER"
+            description: "Total amount of time that has been spent in the portion of processing checkpoints and restartpoints where files are synchronized to disk, in milliseconds"
+        - buffers_written:
+            usage: "COUNTER"
+            description: "Number of buffers written during checkpoints and restartpoints"
+        - stats_reset_time:
+            usage: "GAUGE"
+            description: "Time at which these statistics were last reset"
+
     pg_stat_database:
       query: |
         SELECT datname
@@ -383,9 +449,41 @@ data:
         - setting:
             usage: "GAUGE"
             description: "Setting value"
+
+    pg_extensions:
+      query: |
+        SELECT
+         current_database() as datname,
+         name as extname,
+         default_version,
+         installed_version,
+         CASE
+           WHEN default_version = installed_version THEN 0
+           ELSE 1
+        END AS update_available
+        FROM pg_catalog.pg_available_extensions
+        WHERE installed_version IS NOT NULL
+      metrics:
+        - datname:
+            usage: "LABEL"
+            description: "Name of the database"
+        - extname:
+            usage: "LABEL"
+            description: "Extension name"
+        - default_version:
+            usage: "LABEL"
+            description: "Default version"
+        - installed_version:
+            usage: "LABEL"
+            description: "Installed version"
+        - update_available:
+            usage: "GAUGE"
+            description: "An update is available"
+      target_databases:
+        - '*'
 kind: ConfigMap
 metadata:
   labels:
     cnpg.io/reload: ''
   name: cnpg-default-monitoring
-  namespace: postgres
+  namespace: cnpg-system