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# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
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#     http://www.apache.org/licenses/LICENSE-2.0
#
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# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# The monitoring type category：service-application service monitoring db-database monitoring custom-custom monitoring os-operating system monitoring
category: db
# The monitoring type eg: linux windows tomcat mysql aws...
app: postgresql
# The monitoring i18n name
name:
  zh-CN: PostgreSQL数据库
  en-US: PostgreSQL DB
# The description and help of this monitoring type
help:
  zh-CN: HertzBeat 使用 <a class='help_module_content' href='https://hertzbeat.apache.org/docs/advanced/extend-jdbc'> JDBC 协议</a> 通过配置 SQL 对 PostgreSQL 数据库的通用性能指标 (basic、state、activity etc) 进行采集监控，支持版本为 PostgreSQL10+。<br>您可以点击“<i>新建 PostgreSQL 数据库</i>”并进行配置，或者选择“<i>更多操作</i>”，导入已有配置。
  en-US: HertzBeat uses <a class='help_module_content' href='https://hertzbeat.apache.org/docs/advanced/extend-jdbc'> JDBC Protocol</a> to configure SQL for collecting general metrics of PostgreSQL database  (basic、state、activity etc). Supported version is PostgreSQL10+. <br>You can click "<i>New PostgreSQL Database</i>" and configure it, or select "<i>More Action</i>" to import the existing configuration.
  zh-TW: HertzBeat 使用 <a class='help_module_content' href='https://hertzbeat.apache.org/docs/advanced/extend-jdbc'> JDBC 協議</a> 通過配置 SQL 對 PostgreSQL 數據庫的通用性能指標 (basic、state、activity etc)進行采集監控，支持版本爲 PostgreSQL10+。<br>您可以點擊“<i>新建 PostgreSQL 數據庫</i>”並進行配置，或者選擇“<i>更多操作</i>”，導入已有配置。
helpLink:
  zh-CN: https://hertzbeat.apache.org/zh-cn/docs/help/postgresql
  en-US: https://hertzbeat.apache.org/docs/help/postgresql
# Input params define for monitoring(render web ui by the definition)
params:
  # field-param field key
  - field: host
    # name-param field display i18n name
    name:
      zh-CN: 目标Host
      en-US: Target Host
    # type-param field type(most mapping the html input type)
    type: host
    # required-true or false
    required: true
  # field-param field key
  - field: port
    # name-param field display i18n name
    name:
      zh-CN: 端口
      en-US: Port
    # type-param field type(most mapping the html input type)
    type: number
    # when type is number, range is required
    range: '[0,65535]'
    # required-true or false
    required: true
    # default value
    defaultValue: 5432
  - field: timeout
    name:
      zh-CN: 查询超时时间(ms)
      en-US: Query Timeout(ms)
    type: number
    range: '[400,200000]'
    required: false
    hide: true
    defaultValue: 6000
  - field: database
    name:
      zh-CN: 数据库名称
      en-US: Database Name
    type: text
    defaultValue: postgres
    required: false
  - field: username
    name:
      zh-CN: 用户名
      en-US: Username
    type: text
    limit: 20
    required: false
  - field: password
    name:
      zh-CN: 密码
      en-US: Password
    type: password
    required: false
  - field: url
    name:
      zh-CN: URL
      en-US: URL
    type: text
    required: false
    hide: true

# collect metrics config list
metrics:
  # metrics - basic
  - name: basic
    # metrics scheduling priority(0->127)->(high->low), metrics with the same priority will be scheduled in parallel
    # priority 0's metrics is availability metrics, it will be scheduled first, only availability metrics collect success will the scheduling continue
    priority: 0
    # collect metrics content
    fields:
      # field-metric name, type-metric type(0-number,1-string), unit-metric unit('%','ms','MB'), label-whether it is a metrics label field
      - field: server_version
        type: 1
        label: true
      - field: port
        type: 1
      - field: server_encoding
        type: 1
      - field: data_directory
        type: 1
      - field: max_connections
        type: 0
    # the protocol used for monitoring, eg: sql, ssh, http, telnet, wmi, snmp, sdk
    protocol: jdbc
    # the config content when protocol is jdbc
    jdbc:
      # host: ipv4 ipv6 host
      host: ^_^host^_^
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      # database platform name
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      # SQL Query Method：oneRow, multiRow, columns
      queryType: columns
      # sql
      sql: select name, setting as value from pg_settings where name = 'max_connections' or name = 'server_version' or name = 'server_encoding' or name = 'port' or name = 'data_directory';
      # JDBC url
      url: ^_^url^_^

  - name: state
    priority: 1
    fields:
      - field: db_name
        type: 1
        label: true
      - field: conflicts
        type: 0
        unit: times
      - field: deadlocks
        type: 0
        unit: times
      - field: blks_read
        type: 0
        unit: blocks per second
      - field: blks_hit
        type: 0
        unit: blocks per second
      - field: blk_read_time
        type: 0
        unit: ms
      - field: blk_write_time
        type: 0
        unit: ms
      - field: stats_reset
        type: 1
    protocol: jdbc
    jdbc:
      host: ^_^host^_^
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      queryType: multiRow
      sql: SELECT COALESCE(datname,'shared-object') as db_name, conflicts, deadlocks, blks_read, blks_hit, blk_read_time, blk_write_time, stats_reset from pg_stat_database where (datname != 'template1' and datname != 'template0') or datname is null;
      url: ^_^url^_^

  - name: activity
    priority: 2
    fields:
      - field: running
        type: 0
        unit: sbc
    protocol: jdbc
    jdbc:
      host: ^_^host^_^
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      queryType: oneRow
      sql: SELECT count(*) as running FROM pg_stat_activity WHERE NOT pid=pg_backend_pid();
      url: ^_^url^_^

  - name: resource_config
    priority: 1
    fields:
      - field: work_mem
        type: 0
        unit: MB
      - field: shared_buffers
        type: 0
        unit: MB
      - field: autovacuum
        type: 1
      - field: max_connections
        type: 0
      - field: effective_cache_size
        type: 0
        unit: MB
      - field: wal_buffers
        type: 0
        unit: MB
    protocol: jdbc
    jdbc:
      host: ^_^host^_^
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      queryType: columns
      sql: show all;
      url: ^_^url^_^

  - name: connection
    priority: 1
    fields:
      - field: active
        type: 0
    protocol: jdbc
    jdbc:
      host: ^_^host^_^
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      queryType: oneRow
      sql: select count(1) as active from pg_stat_activity;
      url: ^_^url^_^

  - name: connection_state
    priority: 1
    fields:
      - field: state
        type: 1
        label: true
      - field: num
        type: 0
    protocol: jdbc
    jdbc:
      host: ^_^host^_^
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      queryType: multiRow
      sql: select COALESCE(state, 'other') as state, count(*) as num from pg_stat_activity group by state;
      url: ^_^url^_^

  - name: connection_db
    priority: 1
    fields:
      - field: db_name
        type: 1
        label: true
      - field: active
        type: 0
    protocol: jdbc
    jdbc:
      host: ^_^host^_^
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      queryType: multiRow
      sql: select count(*) as active, COALESCE(datname, 'other') as db_name from pg_stat_activity group by datname;
      url: ^_^url^_^

  - name: tuple
    priority: 1
    fields:
      - field: fetched
        type: 0
      - field: returned
        type: 0
      - field: inserted
        type: 0
      - field: updated
        type: 0
      - field: deleted
        type: 0
    protocol: jdbc
    jdbc:
      host: ^_^host^_^
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      queryType: multiRow
      sql: select sum(tup_fetched) as fetched, sum(tup_updated) as updated, sum(tup_deleted) as deleted, sum(tup_inserted) as inserted, sum(tup_returned) as returned from pg_stat_database;
      url: ^_^url^_^

  - name: temp_file
    priority: 1
    fields:
      - field: db_name
        type: 1
        label: true
      - field: num
        type: 0
      - field: size
        type: 0
        unit: B
    protocol: jdbc
    jdbc:
      host: ^_^host^_^
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      queryType: multiRow
      sql: select COALESCE(datname, 'other') as db_name, sum(temp_files) as num, sum(temp_bytes) as size from pg_stat_database group by datname;
      url: ^_^url^_^

  - name: lock
    priority: 1
    fields:
      - field: db_name
        type: 1
        label: true
      - field: conflicts
        type: 0
        unit: times
      - field: deadlocks
        type: 0
        unit: times
    protocol: jdbc
    jdbc:
      host: ^_^host^_^
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      queryType: multiRow
      sql: SELECT COALESCE(datname,'shared-object') as db_name, conflicts, deadlocks from pg_stat_database where (datname != 'template1' and datname != 'template0') or datname is null;
      url: ^_^url^_^

  - name: slow_sql
    priority: 1
    fields:
      - field: sql_text
        type: 1
        label: true
      - field: calls
        type: 0
      - field: rows
        type: 0
      - field: avg_time
        type: 0
        unit: ms
      - field: total_time
        type: 0
        unit: ms
    aliasFields:
      - query
      - calls
      - rows
      - total_exec_time
      - mean_exec_time
    calculates:
      - sql_text=query
      - avg_time=mean_exec_time
      - total_time=total_exec_time
    protocol: jdbc
    jdbc:
      host: ^_^host^_^
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      queryType: multiRow
      sql: select * from pg_stat_statements;
      url: ^_^url^_^

  - name: transaction
    priority: 2
    fields:
      - field: db_name
        type: 1
        label: true
      - field: commits
        type: 0
        unit: times
      - field: rollbacks
        type: 0
        unit: times
    protocol: jdbc
    jdbc:
      host: ^_^host^_^
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      queryType: multiRow
      sql: select COALESCE(datname, 'other') as db_name, sum(xact_commit) as commits, sum(xact_rollback) as rollbacks from pg_stat_database group by datname;
      url: ^_^url^_^

  - name: conflicts
    priority: 2
    fields:
      - field: db_name
        type: 1
        label: true
      - field: tablespace
        type: 0
      - field: lock
        type: 0
      - field: snapshot
        type: 0
      - field: bufferpin
        type: 0
      - field: deadlock
        type: 0
    protocol: jdbc
    jdbc:
      host: ^_^host^_^
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      queryType: multiRow
      sql: select datname as db_name, confl_tablespace as tablespace, confl_lock as lock, confl_snapshot as snapshot, confl_bufferpin as bufferpin, confl_deadlock as deadlock from pg_stat_database_conflicts;
      url: ^_^url^_^

  - name: cache_hit_ratio
    priority: 2
    fields:
      - field: db_name
        type: 1
        label: true
      - field: ratio
        type: 0
        unit: '%'
    aliasFields:
      - blks_hit
      - blks_read
      - db_name
    calculates:
      - ratio=(blks_hit + 1) / (blks_read + blks_hit + 1) * 100
    protocol: jdbc
    jdbc:
      host: ^_^host^_^
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      queryType: multiRow
      sql: select datname as db_name, blks_hit, blks_read from pg_stat_database;
      url: ^_^url^_^

  - name: checkpoint
    priority: 2
    fields:
      - field: checkpoint_sync_time
        type: 0
        unit: ms
      - field: checkpoint_write_time
        type: 0
        unit: ms
    protocol: jdbc
    jdbc:
      host: ^_^host^_^
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      queryType: oneRow
      sql: select checkpoint_sync_time, checkpoint_write_time from pg_stat_bgwriter;
      url: ^_^url^_^

  - name: buffer
    priority: 2
    fields:
      - field: allocated
        type: 0
      - field: fsync_calls_by_backend
        type: 0
      - field: written_directly_by_backend
        type: 0
      - field: written_by_background_writer
        type: 0
      - field: written_during_checkpoints
        type: 0
    protocol: jdbc
    jdbc:
      host: ^_^host^_^
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      queryType: oneRow
      sql: select buffers_alloc as allocated, buffers_backend_fsync as fsync_calls_by_backend, buffers_backend as written_directly_by_backend, buffers_clean as written_by_background_writer, buffers_checkpoint as written_during_checkpoints from pg_stat_bgwriter;
      url: ^_^url^_^