# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# 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
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# 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.

category: db
app: postgresql
name:
  zh-CN: PostgreSQL数据库
  en-US: PostgreSQL DB
params:
  - field: host
    name:
      zh-CN: 主机Host
      en-US: Host
    type: host
    required: true
  - field: port
    name:
      zh-CN: 端口
      en-US: Port
    type: number
    range: '[0,65535]'
    required: true
    defaultValue: 5432
  - field: timeout
    name:
      zh-CN: 查询超时时间(ms)
      en-US: Query Timeout(ms)
    type: number
    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
metrics:
  - name: basic
    # 指标组调度优先级(0-127)越小优先级越高,优先级低的指标组会等优先级高的指标组采集完成后才会被调度,相同优先级的指标组会并行调度采集
    # 优先级为0的指标组为可用性指标组,即它会被首先调度,采集成功才会继续调度其它指标组,采集失败则中断调度
    priority: 0
    # 指标组中的具体监控指标
    fields:
      # 指标信息 包括 field名称   type字段类型:0-number数字,1-string字符串   instance是否为实例主键   unit:指标单位
      - field: server_version
        type: 1
        instance: true
      - field: port
        type: 1
      - field: server_encoding
        type: 1
      - field: data_directory
        type: 1
      - field: max_connections
        type: 0
    protocol: jdbc
    jdbc:
      # 主机host: ipv4 ipv6 域名
      host: ^_^host^_^
      # 端口
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      # SQL查询方式： 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';
      url: ^_^url^_^

  - name: state
    priority: 1
    fields:
      # 指标信息 包括 field名称   type字段类型:0-number数字,1-string字符串   instance是否为实例主键   unit:指标单位
      - field: db_name
        type: 1
        instance: 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:
      # 主机host: ipv4 ipv6 域名
      host: ^_^host^_^
      # 端口
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      # SQL查询方式： oneRow, multiRow, columns
      queryType: multiRow
      # sql
      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:
      # 指标信息 包括 field名称   type字段类型:0-number数字,1-string字符串   instance是否为实例主键   unit:指标单位
      - field: running
        type: 0
        unit: sbc
    protocol: jdbc
    jdbc:
      # 主机host: ipv4 ipv6 域名
      host: ^_^host^_^
      # 端口
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      # SQL查询方式： oneRow, multiRow, columns
      queryType: oneRow
      # sql
      sql: SELECT count(*) as running FROM pg_stat_activity WHERE NOT pid=pg_backend_pid();
      url: ^_^url^_^

  - name: resource_config
    priority: 1
    fields:
      # 指标信息 包括 field名称   type字段类型:0-number数字,1-string字符串   instance是否为实例主键   unit:指标单位
      - field: shared_buffers
        type: 0
        unit: MB
      - 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:
      # 主机host: ipv4 ipv6 域名
      host: ^_^host^_^
      # 端口
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      # SQL查询方式： oneRow, multiRow, columns
      queryType: columns
      # sql
      sql: show all;
      url: ^_^url^_^

  - name: connection
    priority: 1
    fields:
      # 指标信息 包括 field名称   type字段类型:0-number数字,1-string字符串   instance是否为实例主键   unit:指标单位
      - field: active
        type: 0
    protocol: jdbc
    jdbc:
      # 主机host: ipv4 ipv6 域名
      host: ^_^host^_^
      # 端口
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      # SQL查询方式： oneRow, multiRow, columns
      queryType: oneRow
      # sql
      sql: select count(1) as active from pg_stat_activity;
      url: ^_^url^_^

  - name: connection_state
    priority: 1
    fields:
      # 指标信息 包括 field名称   type字段类型:0-number数字,1-string字符串   instance是否为实例主键   unit:指标单位
      - field: state
        type: 1
        instance: true
      - field: num
        type: 0
    protocol: jdbc
    jdbc:
      # 主机host: ipv4 ipv6 域名
      host: ^_^host^_^
      # 端口
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      # SQL查询方式： oneRow, multiRow, columns
      queryType: multiRow
      # sql
      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:
      # 指标信息 包括 field名称   type字段类型:0-number数字,1-string字符串   instance是否为实例主键   unit:指标单位
      - field: db_name
        type: 1
        instance: true
      - field: active
        type: 0
    protocol: jdbc
    jdbc:
      # 主机host: ipv4 ipv6 域名
      host: ^_^host^_^
      # 端口
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      # SQL查询方式： oneRow, multiRow, columns
      queryType: multiRow
      # sql
      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:
      # 指标信息 包括 field名称   type字段类型:0-number数字,1-string字符串   instance是否为实例主键   unit:指标单位
      - field: fetched
        type: 0
      - field: returned
        type: 0
      - field: inserted
        type: 0
      - field: updated
        type: 0
      - field: deleted
        type: 0
    protocol: jdbc
    jdbc:
      # 主机host: ipv4 ipv6 域名
      host: ^_^host^_^
      # 端口
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      # SQL查询方式： oneRow, multiRow, columns
      queryType: multiRow
      # sql
      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:
      # 指标信息 包括 field名称   type字段类型:0-number数字,1-string字符串   instance是否为实例主键   unit:指标单位
      - field: db_name
        type: 1
        instance: true
      - field: num
        type: 0
      - field: size
        type: 0
        unit: B
    protocol: jdbc
    jdbc:
      # 主机host: ipv4 ipv6 域名
      host: ^_^host^_^
      # 端口
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      # SQL查询方式： oneRow, multiRow, columns
      queryType: multiRow
      # sql
      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:
      # 指标信息 包括 field名称   type字段类型:0-number数字,1-string字符串   instance是否为实例主键   unit:指标单位
      - field: db_name
        type: 1
        instance: true
      - field: conflicts
        type: 0
        unit: times
      - field: deadlocks
        type: 0
        unit: times
    protocol: jdbc
    jdbc:
      # 主机host: ipv4 ipv6 域名
      host: ^_^host^_^
      # 端口
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      # SQL查询方式： oneRow, multiRow, columns
      queryType: multiRow
      # sql
      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:
      # 指标信息 包括 field名称   type字段类型:0-number数字,1-string字符串   instance是否为实例主键   unit:指标单位
      - field: sql_text
        type: 1
        instance: 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
    # (非必须)指标计算表达式,与上面的别名一起作用,计算出最终需要的指标值
    # eg: cores=core1+core2, usage=usage, waitTime=allTime-runningTime
    calculates:
      - sql_text=query
      - avg_time=mean_exec_time
      - total_time=total_exec_time
    protocol: jdbc
    jdbc:
      # 主机host: ipv4 ipv6 域名
      host: ^_^host^_^
      # 端口
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      # SQL查询方式： oneRow, multiRow, columns
      queryType: multiRow
      # sql
      sql: select * from pg_stat_statements;
      url: ^_^url^_^

  - name: transaction
    priority: 2
    fields:
      - field: db_name
        type: 1
        instance: true
      - field: commits
        type: 0
        unit: times
      - field: rollbacks
        type: 0
        unit: times
    protocol: jdbc
    jdbc:
      # 主机host: ipv4 ipv6 域名
      host: ^_^host^_^
      # 端口
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      # SQL查询方式： oneRow, multiRow, columns
      queryType: multiRow
      # sql
      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
        instance: true
      - field: tablespace
        type: 0
      - field: lock
        type: 0
      - field: snapshot
        type: 0
      - field: bufferpin
        type: 0
      - field: deadlock
        type: 0
    protocol: jdbc
    jdbc:
      # 主机host: ipv4 ipv6 域名
      host: ^_^host^_^
      # 端口
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      # SQL查询方式： oneRow, multiRow, columns
      queryType: multiRow
      # sql
      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
        instance: true
      - field: ratio
        type: 0
        unit: '%'
    aliasFields:
      - blks_hit
      - blks_read
      - db_name
    # (非必须)指标计算表达式,与上面的别名一起作用,计算出最终需要的指标值
    # eg: cores=core1+core2, usage=usage, waitTime=allTime-runningTime
    calculates:
      - ratio=(blks_hit + 1) / (blks_read + blks_hit + 1) * 100
    protocol: jdbc
    jdbc:
      # 主机host: ipv4 ipv6 域名
      host: ^_^host^_^
      # 端口
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      # SQL查询方式： oneRow, multiRow, columns
      queryType: multiRow
      # sql
      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:
      # 主机host: ipv4 ipv6 域名
      host: ^_^host^_^
      # 端口
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      # SQL查询方式： oneRow, multiRow, columns
      queryType: oneRow
      # sql
      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:
      # 主机host: ipv4 ipv6 域名
      host: ^_^host^_^
      # 端口
      port: ^_^port^_^
      timeout: ^_^timeout^_^
      platform: postgresql
      username: ^_^username^_^
      password: ^_^password^_^
      database: ^_^database^_^
      # SQL查询方式： oneRow, multiRow, columns
      queryType: oneRow
      # sql
      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^_^