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  • Prerequisites
  • Configuration
  • Usage
  • Query Request
  • Exec Request
  • Transaction Request

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  1. Configuration
  2. Connectors
  3. KubeMQ Targets
  4. Standalone

Percona

Kubemq percona target connector allows services using kubemq server to access percona database services.

Prerequisites

The following are required to run the percona target connector:

  • kubemq cluster

  • percona server

  • kubemq-targets deployment

Configuration

percona target connector configuration properties:

Properties Key

Required

Description

Example

connection

yes

percona connection string address

"root:percona@(localhost:3306)/store?charset=utf8&parseTime=True&loc=Local"

max_idle_connections

no

set max idle connections

"10"

max_open_connections

no

set max open connections

"100"

connection_max_lifetime_seconds

no

set max lifetime for connections in seconds

"3600"

Example:

bindings:
- name: percona
  source:
    kind: kubemq.query
    properties:
      address: localhost:50000
      channel: query.percona
  target:
    kind: stores.percona
    properties:
      connection: root:root@(localhost:3306)/percona?charset=utf8&parseTime=True&loc=Local
  properties: {}

Usage

Query Request

Query request metadata setting:

Metadata Key

Required

Description

Possible values

method

yes

set type of request

"query"

Query request data setting:

Data Key

Required

Description

Possible values

data

yes

query string

base64 bytes array

Example:

Query string: SELECT id,title,content,bignumber,boolvalue FROM post;

{
  "metadata": {
    "method": "query"
  },
  "data": "U0VMRUNUIGlkLHRpdGxlLGNvbnRlbnQsYmlnbnVtYmVyLGJvb2x2YWx1ZSBGUk9NIHBvc3Q7"
}

Exec Request

Exec request metadata setting:

Metadata Key

Required

Description

Possible values

method

yes

set type of request

"exec"

isolation_level

no

set isolation level for exec operation

""

"read_uncommitted"

"read_committed"

"repeatable_read"

"serializable"

Exec request data setting:

Data Key

Required

Description

Possible values

data

yes

exec string

base64 bytes array

Example:

Exec string:

INSERT INTO post(ID,TITLE,CONTENT,BIGNUMBER,BOOLVALUE) VALUES
                           (0,NULL,'Content One',1231241241231231123,true),
                           (1,'Title Two','Content Two',123125241231231123,false);
{
  "metadata": {
    "method": "exec",
    "isolation_level": "read_uncommitted"
  },
  "data": "SU5TRVJUIElOVE8gcG9zdChJRCxUSVRMRSxDT05URU5ULEJJR05VTUJFUixCT09MVkFMVUUpIFZBTFVFUwoJICAgICAgICAgICAgICAgICAgICAgICAoMCxOVUxMLCdDb250ZW50IE9uZScsMTIzMTI0MTI0MTIzMTIzMTEyMyx0cnVlKSwKCSAgICAgICAgICAgICAgICAgICAgICAgKDEsJ1RpdGxlIFR3bycsJ0NvbnRlbnQgVHdvJywxMjMxMjUyNDEyMzEyMzExMjMsZmFsc2UpOw==" 
}

Transaction Request

Transaction request metadata setting:

Metadata Key

Required

Description

Possible values

method

yes

set type of request

"transaction"

isolation_level

no

set isolation level for exec operation

""

"read_uncommitted"

"read_committed"

"repeatable_read"

"serializable"

Transaction request data setting:

Data Key

Required

Description

Possible values

data

yes

string string

base64 bytes array

Example:

Transaction string:

DROP TABLE IF EXISTS post;
CREATE TABLE post (
         ID bigint,
         TITLE varchar(40),
         CONTENT varchar(255),
         BIGNUMBER bigint,
         BOOLVALUE boolean,
         CONSTRAINT pk_post PRIMARY KEY(ID)
       );
{
  "metadata": {
    "key": "your-percona-key",
    "method": "delete"
  },
  "data": "RFJPUCBUQUJMRSBJRiBFWElTVFMgcG9zdDsKCSAgICAgICBDUkVBVEUgVEFCTEUgcG9zdCAoCgkgICAgICAgICBJRCBiaWdpbnQsCgkgICAgICAgICBUSVRMRSB2YXJjaGFyKDQwKSwKCSAgICAgICAgIENPTlRFTlQgdmFyY2hhcigyNTUpLAoJCQkgQklHTlVNQkVSIGJpZ2ludCwKCQkJIEJPT0xWQUxVRSBib29sZWFuLAoJICAgICAgICAgQ09OU1RSQUlOVCBwa19wb3N0IFBSSU1BUlkgS0VZKElEKQoJICAgICAgICk7"
}
PreviousMSSqlNextAerospike

Last updated 4 years ago

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