Postgres
Kubemq azure-postgres target connector allows services using kubemq server to access azure-postgres database services.
The following are required to run the azure-postgres target connector:
- kubemq cluster
- azure-postgres server
- kubemq-targets deployment
azure-postgres target connector configuration properties:
Properties Key | Required | Description | Example |
connection | yes | azure-postgres connection string address | "host=zzz user=yyy password=rrr dbname=nnn sslmode=disable" |
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: kubemq-query-azure-postgres
source:
kind: kubemq.query
name: kubemq-query
properties:
address: "kubemq-cluster:50000"
client_id: "kubemq-query-azure-postgres-connector"
auth_token: ""
channel: "azure.stores.azure.postgres"
group: ""
auto_reconnect: "true"
reconnect_interval_seconds: "1"
max_reconnects: "0"
target:
kind: azure.stores.postgres
name: azure-stores-postgres
properties:
connection: "host=zzz user=yyy password=rrr dbname=nnn sslmode=disable"
max_idle_connections: "10"
max_open_connections: "100"
connection_max_lifetime_seconds: "3600"
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 FROM post;{
"metadata": {
"method": "query"
},
"data": "U0VMRUNUIGlkLHRpdGxlLGNvbnRlbnQgRlJPTSBwb3N0Ow=="
}
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) VALUES (1,NULL,'Content One'),(2,'Title Two','Content Two');
{
"metadata": {
"method": "exec",
"isolation_level": "read_uncommitted"
},
"data": "SU5TRVJUIElOVE8gcG9zdChJRCxUSVRMRSxDT05URU5UKSBWQUxVRVMKCSAgICAgICAgICAgICAgICAgICAgICAgKDEsTlVMTCwnQ29udGVudCBPbmUnKSwKCSAgICAgICAgICAgICAgICAgICAgICAgKDIsJ1RpdGxlIFR3bycsJ0NvbnRlbnQgVHdvJyk7"
}
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 serial,
TITLE varchar(40),
CONTENT varchar(255),
CONSTRAINT pk_post PRIMARY KEY(ID)
);
INSERT INTO post(ID,TITLE,CONTENT) VALUES
(1,NULL,'Content One'),
(2,'Title Two','Content Two');
{
"metadata": {
"key": "your-azure-postgres-key",
"method": "delete"
},
"data": "CURST1AgVEFCTEUgSUYgRVhJU1RTIHBvc3Q7CiAgICBDUkVBVEUgVEFCTEUgcG9zdCAoCgkgICAgICAgICBJRCBzZXJpYWwsCgkgICAgICAgICBUSVRMRSB2YXJjaGFyKDQwKSwKCSAgICAgICAgIENPTlRFTlQgdmFyY2hhcigyNTUpLAoJICAgICAgICAgQ09OU1RSQUlOVCBwa19wb3N0IFBSSU1BUlkgS0VZKElEKQoJICAgICAgICk7CiAgICBJTlNFUlQgSU5UTyBwb3N0KElELFRJVExFLENPTlRFTlQpIFZBTFVFUwoJICAgICAgICAgICAgICAgICAgICAgICAoMSxOVUxMLCdDb250ZW50IE9uZScpLAoJICAgICAgICAgICAgICAgICAgICAgICAoMiwnVGl0bGUgVHdvJywnQ29udGVudCBUd28nKTs="
}
Last modified 2yr ago