Add items to template

* Add items to the Zabbix template for:
    - Backgroubd writer / checkpoint stats
    - Lock stats
    - Connection states

sample-config/pgmon-metrics.yml

@@ -318,3 +318,5 @@ metrics:
     type: value
     query:
       0: SELECT count(*) AS ntables FROM pg_stat_user_tables
+
+  #sequence_usage:

zabbix_templates/pgmon_templates.yaml

@@ -49,6 +49,206 @@ zabbix_export:
           tags:
             - tag: Application
               value: PostgreSQL
+        - uuid: 1dd74025ca0e463bb9eee5cb473f30db
+          name: 'Total buffers allocated'
+          type: DEPENDENT
+          key: 'pgmon.bgwriter[buffers_alloc,total]'
+          delay: '0'
+          history: 90d
+          description: 'Total number of shared buffers that have been allocated'
+          preprocessing:
+            - type: JSONPATH
+              parameters:
+                - $.buffers_alloc
+          master_item:
+            key: 'pgmon[bgwriter]'
+          tags:
+            - tag: Application
+              value: PostgreSQL
+        - uuid: 4ab405996e71444a8113b95c65d73be2
+          name: 'Total buffers written by backends'
+          type: DEPENDENT
+          key: 'pgmon.bgwriter[buffers_backend,total]'
+          delay: '0'
+          history: 90d
+          description: 'Total number of shared buffers written by backends'
+          preprocessing:
+            - type: JSONPATH
+              parameters:
+                - $.buffers_backend
+          master_item:
+            key: 'pgmon[bgwriter]'
+          tags:
+            - tag: Application
+              value: PostgreSQL
+        - uuid: e8b440a1d6ff4ca6b3cb27e2e76f9d06
+          name: 'Total number of fsyncs from backends'
+          type: DEPENDENT
+          key: 'pgmon.bgwriter[buffers_backend_fsync,total]'
+          delay: '0'
+          history: 90d
+          description: 'Total number of times backends have issued their own fsync calls'
+          preprocessing:
+            - type: JSONPATH
+              parameters:
+                - $.buffers_backend_fsync
+          master_item:
+            key: 'pgmon[bgwriter]'
+          tags:
+            - tag: Application
+              value: PostgreSQL
+        - uuid: f8a14885edf34b5cbf2e92432e8fa4c2
+          name: 'Total buffers written during checkpoints'
+          type: DEPENDENT
+          key: 'pgmon.bgwriter[buffers_checkpoint,total]'
+          delay: '0'
+          history: 90d
+          description: 'Total number of shared buffers written during checkpoints'
+          preprocessing:
+            - type: JSONPATH
+              parameters:
+                - $.buffers_checkpoint
+          master_item:
+            key: 'pgmon[bgwriter]'
+          tags:
+            - tag: Application
+              value: PostgreSQL
+        - uuid: f09956f7aaad4b99b0d67339edf26dcf
+          name: 'Total buffers written by the background writer'
+          type: DEPENDENT
+          key: 'pgmon.bgwriter[buffers_clean,total]'
+          delay: '0'
+          history: 90d
+          description: 'Total number of shared buffers written by the background writer'
+          preprocessing:
+            - type: JSONPATH
+              parameters:
+                - $.buffers_clean
+          master_item:
+            key: 'pgmon[bgwriter]'
+          tags:
+            - tag: Application
+              value: PostgreSQL
+        - uuid: f1c6bd9346b14964bd492d7ccf8baf50
+          name: 'Total checkpoints due to changes'
+          type: DEPENDENT
+          key: 'pgmon.bgwriter[checkpoints_changes,total]'
+          delay: '0'
+          history: 90d
+          description: 'Total number of checkpoints that have occurred due to the number of row changes'
+          preprocessing:
+            - type: JSONPATH
+              parameters:
+                - $.checkpoints_req
+          master_item:
+            key: 'pgmon[bgwriter]'
+          tags:
+            - tag: Application
+              value: PostgreSQL
+        - uuid: 04c4587d2f2f4f5fbad866d70938cbb3
+          name: 'Total checkpoints due to time limit'
+          type: DEPENDENT
+          key: 'pgmon.bgwriter[checkpoints_timed,total]'
+          delay: '0'
+          history: 90d
+          description: 'Total number of checkpoints that have occurred due to the configured time limit'
+          preprocessing:
+            - type: JSONPATH
+              parameters:
+                - $.checkpoints_timed
+          master_item:
+            key: 'pgmon[bgwriter]'
+          tags:
+            - tag: Application
+              value: PostgreSQL
+        - uuid: 580a7e632b644aafa1166c534185ba92
+          name: 'Total time spent syncing files for checkpoints'
+          type: DEPENDENT
+          key: 'pgmon.bgwriter[checkpoint_sync_time,total]'
+          delay: '0'
+          history: 90d
+          units: s
+          description: 'Total time spent syncing files for checkpoints'
+          preprocessing:
+            - type: JSONPATH
+              parameters:
+                - $.checkpoint_sync_time
+            - type: MULTIPLIER
+              parameters:
+                - '0.001'
+          master_item:
+            key: 'pgmon[bgwriter]'
+          tags:
+            - tag: Application
+              value: PostgreSQL
+        - uuid: 4faa33b55fae4fc68561020636573a46
+          name: 'Total time spent writing checkpoints'
+          type: DEPENDENT
+          key: 'pgmon.bgwriter[checkpoint_write_time,total]'
+          delay: '0'
+          history: 90d
+          units: s
+          description: 'Total time spent writing checkpoints'
+          preprocessing:
+            - type: JSONPATH
+              parameters:
+                - $.checkpoint_write_time
+            - type: MULTIPLIER
+              parameters:
+                - '0.001'
+          master_item:
+            key: 'pgmon[bgwriter]'
+          tags:
+            - tag: Application
+              value: PostgreSQL
+        - uuid: c0c829c6cdc046a4b5d216e10362e4bb
+          name: 'Total number of times the background writer stopped'
+          type: DEPENDENT
+          key: 'pgmon.bgwriter[maxwritten_clean,total]'
+          delay: '0'
+          history: 90d
+          description: 'Total number of times the background writer stopped due to reaching the maximum  number of buffers it''s allowed to write in a single scan'
+          preprocessing:
+            - type: JSONPATH
+              parameters:
+                - $.maxwritten_clean
+          master_item:
+            key: 'pgmon[bgwriter]'
+          tags:
+            - tag: Application
+              value: PostgreSQL
+        - uuid: 645fef7b55cd48c69b11de3201e88d78
+          name: 'Number of locks'
+          type: DEPENDENT
+          key: pgmon.locks.count
+          delay: '0'
+          history: 90d
+          description: 'Total number of locks in any database'
+          preprocessing:
+            - type: JSONPATH
+              parameters:
+                - $.total
+          master_item:
+            key: 'pgmon[locks]'
+          tags:
+            - tag: Application
+              value: PostgreSQL
+        - uuid: a56ad753b1f341928867a47b14ed8b77
+          name: 'Number of granted locks'
+          type: DEPENDENT
+          key: pgmon.locks.granted
+          delay: '0'
+          history: 90d
+          description: 'Total number of granted locks in any database'
+          preprocessing:
+            - type: JSONPATH
+              parameters:
+                - $.granted
+          master_item:
+            key: 'pgmon[locks]'
+          tags:
+            - tag: Application
+              value: PostgreSQL
         - uuid: de1fa757395440118026f4c7a7c4ebbe
           name: 'PostgreSQL latest supported version'
           type: DEPENDENT
@@ -95,6 +295,21 @@ zabbix_export:
           tags:
             - tag: Application
               value: PostgreSQL
+        - uuid: 91baea76ebb240b19c5a5d3913d0b989
+          name: 'PostgreSQL BGWriter Info'
+          type: HTTP_AGENT
+          key: 'pgmon[bgwriter]'
+          delay: 5m
+          history: '0'
+          value_type: TEXT
+          trends: '0'
+          description: 'Maximum age of any frozen XID and MXID in any database'
+          url: 'http://localhost:{$AGENT_PORT}/bgwriter'
+          tags:
+            - tag: Application
+              value: PostgreSQL
+            - tag: Type
+              value: Raw
         - uuid: 06b1d082ed1e4796bc31cc25f7db6326
           name: 'PostgreSQL Backend IO Info'
           type: HTTP_AGENT
@@ -124,6 +339,21 @@ zabbix_export:
               value: PostgreSQL
             - tag: Type
               value: Raw
+        - uuid: 4627c156923f4d53bc04789b9b88c133
+          name: 'PostgreSQL Lock Info'
+          type: HTTP_AGENT
+          key: 'pgmon[locks]'
+          delay: 5m
+          history: '0'
+          value_type: TEXT
+          trends: '0'
+          description: 'Maximum age of any frozen XID and MXID in any database'
+          url: 'http://localhost:{$AGENT_PORT}/locks'
+          tags:
+            - tag: Application
+              value: PostgreSQL
+            - tag: Type
+              value: Raw
         - uuid: 8706eccb7edc4fa394f552fc31f401a9
           name: 'PostgreSQL ID Age Info'
           type: HTTP_AGENT
@@ -170,6 +400,283 @@ zabbix_export:
           enabled_lifetime_type: DISABLE_AFTER
           enabled_lifetime: 1d
           item_prototypes:
+            - uuid: 28d5fe3a4f6848149afed33aa645f677
+              name: 'Max connection age: active on {#DBNAME}'
+              type: DEPENDENT
+              key: 'pgmon_connection_states[active,age,{#DBNAME}]'
+              delay: '0'
+              history: 90d
+              value_type: FLOAT
+              description: 'Number of disk blocks read in this database'
+              preprocessing:
+                - type: JSONPATH
+                  parameters:
+                    - '$[?(@.state == "active")].max_state_time'
+              master_item:
+                key: 'pgmon_connection_states[{#DBNAME}]'
+              tags:
+                - tag: Application
+                  value: PostgreSQL
+                - tag: Database
+                  value: '{#DBNAME}'
+            - uuid: ff1b817c3d1f43dc8b49bfd0dcb0d10a
+              name: 'Connection count: active on {#DBNAME}'
+              type: DEPENDENT
+              key: 'pgmon_connection_states[active,count,{#DBNAME}]'
+              delay: '0'
+              history: 90d
+              description: 'Number of disk blocks read in this database'
+              preprocessing:
+                - type: JSONPATH
+                  parameters:
+                    - '$[?(@.state == "active")].backend_count'
+              master_item:
+                key: 'pgmon_connection_states[{#DBNAME}]'
+              tags:
+                - tag: Application
+                  value: PostgreSQL
+                - tag: Database
+                  value: '{#DBNAME}'
+            - uuid: 4c0b9ca43adb45b895e3ba2e200e501e
+              name: 'Max connection age: disabled on {#DBNAME}'
+              type: DEPENDENT
+              key: 'pgmon_connection_states[disabled,age,{#DBNAME}]'
+              delay: '0'
+              history: 90d
+              value_type: FLOAT
+              description: 'Number of disk blocks read in this database'
+              preprocessing:
+                - type: JSONPATH
+                  parameters:
+                    - '$[?(@.state == "disabled")].max_state_time'
+              master_item:
+                key: 'pgmon_connection_states[{#DBNAME}]'
+              tags:
+                - tag: Application
+                  value: PostgreSQL
+                - tag: Database
+                  value: '{#DBNAME}'
+            - uuid: 280dfc9a84e8425399164e6f3e91cf92
+              name: 'Connection count: disabled on {#DBNAME}'
+              type: DEPENDENT
+              key: 'pgmon_connection_states[disabled,count,{#DBNAME}]'
+              delay: '0'
+              history: 90d
+              description: 'Number of disk blocks read in this database'
+              preprocessing:
+                - type: JSONPATH
+                  parameters:
+                    - '$[?(@.state == "disabled")].backend_count'
+              master_item:
+                key: 'pgmon_connection_states[{#DBNAME}]'
+              tags:
+                - tag: Application
+                  value: PostgreSQL
+                - tag: Database
+                  value: '{#DBNAME}'
+            - uuid: 63e62108657f47aaa29f7ec6499e45fc
+              name: 'Max connection age: fastpath function call on {#DBNAME}'
+              type: DEPENDENT
+              key: 'pgmon_connection_states[fastpath_function,age,{#DBNAME}]'
+              delay: '0'
+              history: 90d
+              value_type: FLOAT
+              description: 'Number of disk blocks read in this database'
+              preprocessing:
+                - type: JSONPATH
+                  parameters:
+                    - '$[?(@.state == "fastpath function call")].max_state_time'
+              master_item:
+                key: 'pgmon_connection_states[{#DBNAME}]'
+              tags:
+                - tag: Application
+                  value: PostgreSQL
+                - tag: Database
+                  value: '{#DBNAME}'
+            - uuid: 33193e62f1ad4da5b2e30677581e5305
+              name: 'Connection count: fastpath function call on {#DBNAME}'
+              type: DEPENDENT
+              key: 'pgmon_connection_states[fastpath_function,count,{#DBNAME}]'
+              delay: '0'
+              history: 90d
+              description: 'Number of disk blocks read in this database'
+              preprocessing:
+                - type: JSONPATH
+                  parameters:
+                    - '$[?(@.state == "fastpath function call")].backend_count'
+              master_item:
+                key: 'pgmon_connection_states[{#DBNAME}]'
+              tags:
+                - tag: Application
+                  value: PostgreSQL
+                - tag: Database
+                  value: '{#DBNAME}'
+            - uuid: 92e2366a56424bc18a88606417eae6e4
+              name: 'Max connection age: idle on {#DBNAME}'
+              type: DEPENDENT
+              key: 'pgmon_connection_states[idle,age,{#DBNAME}]'
+              delay: '0'
+              history: 90d
+              value_type: FLOAT
+              description: 'Number of disk blocks read in this database'
+              preprocessing:
+                - type: JSONPATH
+                  parameters:
+                    - '$[?(@.state == "idle")].max_state_time'
+              master_item:
+                key: 'pgmon_connection_states[{#DBNAME}]'
+              tags:
+                - tag: Application
+                  value: PostgreSQL
+                - tag: Database
+                  value: '{#DBNAME}'
+            - uuid: 505bbbb4c7b745d8bab8f3b33705b76b
+              name: 'Connection count: idle on {#DBNAME}'
+              type: DEPENDENT
+              key: 'pgmon_connection_states[idle,count,{#DBNAME}]'
+              delay: '0'
+              history: 90d
+              description: 'Number of disk blocks read in this database'
+              preprocessing:
+                - type: JSONPATH
+                  parameters:
+                    - '$[?(@.state == "idle")].backend_count'
+              master_item:
+                key: 'pgmon_connection_states[{#DBNAME}]'
+              tags:
+                - tag: Application
+                  value: PostgreSQL
+                - tag: Database
+                  value: '{#DBNAME}'
+            - uuid: 282494d5900c4c2e8abd298160c7cbb6
+              name: 'Max connection age: idle in transaction (aborted) on {#DBNAME}'
+              type: DEPENDENT
+              key: 'pgmon_connection_states[idle_aborted,age,{#DBNAME}]'
+              delay: '0'
+              history: 90d
+              value_type: FLOAT
+              description: 'Number of disk blocks read in this database'
+              preprocessing:
+                - type: JSONPATH
+                  parameters:
+                    - '$[?(@.state == "idle in transaction (aborted)")].max_state_time'
+              master_item:
+                key: 'pgmon_connection_states[{#DBNAME}]'
+              tags:
+                - tag: Application
+                  value: PostgreSQL
+                - tag: Database
+                  value: '{#DBNAME}'
+            - uuid: 0da5075d79234602836fc7967a31f1cc
+              name: 'Connection count: idle in transaction (aborted) on {#DBNAME}'
+              type: DEPENDENT
+              key: 'pgmon_connection_states[idle_aborted,count,{#DBNAME}]'
+              delay: '0'
+              history: 90d
+              description: 'Number of disk blocks read in this database'
+              preprocessing:
+                - type: JSONPATH
+                  parameters:
+                    - '$[?(@.state == "idle in transaction (aborted)")].backend_count'
+              master_item:
+                key: 'pgmon_connection_states[{#DBNAME}]'
+              tags:
+                - tag: Application
+                  value: PostgreSQL
+                - tag: Database
+                  value: '{#DBNAME}'
+            - uuid: 47aa3f7f4ff1473aae425b4c89472ab4
+              name: 'Max connection age: idle in transaction on {#DBNAME}'
+              type: DEPENDENT
+              key: 'pgmon_connection_states[idle_transaction,age,{#DBNAME}]'
+              delay: '0'
+              history: 90d
+              value_type: FLOAT
+              description: 'Number of disk blocks read in this database'
+              preprocessing:
+                - type: JSONPATH
+                  parameters:
+                    - '$[?(@.state == "idle in transaction")].max_state_time'
+              master_item:
+                key: 'pgmon_connection_states[{#DBNAME}]'
+              tags:
+                - tag: Application
+                  value: PostgreSQL
+                - tag: Database
+                  value: '{#DBNAME}'
+            - uuid: 95519bf0aefd49799601e1bbb488ec90
+              name: 'Connection count: idle in transaction on {#DBNAME}'
+              type: DEPENDENT
+              key: 'pgmon_connection_states[idle_transaction,count,{#DBNAME}]'
+              delay: '0'
+              history: 90d
+              description: 'Number of disk blocks read in this database'
+              preprocessing:
+                - type: JSONPATH
+                  parameters:
+                    - '$[?(@.state == "idle in transaction")].backend_count'
+              master_item:
+                key: 'pgmon_connection_states[{#DBNAME}]'
+              tags:
+                - tag: Application
+                  value: PostgreSQL
+                - tag: Database
+                  value: '{#DBNAME}'
+            - uuid: b2ae38a5733d49ceb1a31e774c11785b
+              name: 'Max connection age: starting on {#DBNAME}'
+              type: DEPENDENT
+              key: 'pgmon_connection_states[starting,age,{#DBNAME}]'
+              delay: '0'
+              history: 90d
+              value_type: FLOAT
+              description: 'Number of disk blocks read in this database'
+              preprocessing:
+                - type: JSONPATH
+                  parameters:
+                    - '$[?(@.state == "starting")].max_state_time'
+              master_item:
+                key: 'pgmon_connection_states[{#DBNAME}]'
+              tags:
+                - tag: Application
+                  value: PostgreSQL
+                - tag: Database
+                  value: '{#DBNAME}'
+            - uuid: c1890f2d7ce84a7ebaaadf266d3ffc51
+              name: 'Connection count: starting on {#DBNAME}'
+              type: DEPENDENT
+              key: 'pgmon_connection_states[starting,count,{#DBNAME}]'
+              delay: '0'
+              history: 90d
+              description: 'Number of disk blocks read in this database'
+              preprocessing:
+                - type: JSONPATH
+                  parameters:
+                    - '$[?(@.state == "starting")].backend_count'
+              master_item:
+                key: 'pgmon_connection_states[{#DBNAME}]'
+              tags:
+                - tag: Application
+                  value: PostgreSQL
+                - tag: Database
+                  value: '{#DBNAME}'
+            - uuid: 131653f883f448a7b861b16bc4366dfd
+              name: 'Database Connection States for {#DBNAME}'
+              type: HTTP_AGENT
+              key: 'pgmon_connection_states[{#DBNAME}]'
+              history: '0'
+              value_type: TEXT
+              trends: '0'
+              url: 'http://localhost:{$AGENT_PORT}/activity'
+              query_fields:
+                - name: dbname
+                  value: '{#DBNAME}'
+              tags:
+                - tag: Application
+                  value: PostgreSQL
+                - tag: Database
+                  value: '{#DBNAME}'
+                - tag: Type
+                  value: Raw
             - uuid: a30babe4a6f4440bba2a3ee46eff7ce2
               name: 'Time spent executing statements on {#DBNAME}'
               type: DEPENDENT