title: gpsscli.yaml

gpsscli configuration file.

Synopsis

DATABASE: <db_name>
USER: <user_name>
PASSWORD: <password>
HOST: <coordinator_host>
PORT: <greenplum_port>
VERSION: <version_number>

<DATASOURCE>
  <DATASOURCE_specific_properties>

[SCHEDULE:
   RETRY_INTERVAL: <retry_time>
   MAX_RETRIES: <num_retries>
   RUNNING_DURATION: <run_time>
   AUTO_STOP_RESTART_INTERVAL: <restart_time>
   MAX_RESTART_TIMES: <num_restarts>
   QUIT_AT_EOF_AFTER: <clock_time>]

[ALERT:
   COMMAND: <command_to_run>
   WORKDIR: <directory>
   TIMEOUT: <alert_time>]

Where you may specify any property value with a template variable that GPSS substitutes at runtime using the following syntax:

<PROPERTY:> {{<template_var>}}

Description

You specify the configuration parameters for a Greenplum Streaming Server (GPSS) job in a YAML-formatted configuration file that you provide to the gpsscli submit command. There are two types of configuration parameters in this file - Greenplum Database connection parameters, and parameters specific to the data source from which you will load data into Greenplum.

This reference page uses the name gpsscli.yaml to refer to this file; you may choose your own name for the file.

Note
GPSS currently supports loading data from Kafka and file data sources. Refer to Loading Kafka Data into Greenplum and Loading File Data into Greenplum for detailed information about using GPSS to load data into Greenplum Database.

The gpsscli utility processes the YAML configuration file in order, using indentation (spaces) to determine the document hierarchy and the relationships between the sections. The use of white space in the file is significant, and keywords are case-sensitive.

Keywords and Values

Greenplum Database Options

DATABASE: db_name: The name of the Greenplum database.
USER: user_name: The name of the Greenplum Database user/role. This user_name must have permissions as described in Configuring Greenplum Database Role Privileges.
PASSWORD: password: The password for the Greenplum Database user/role. By default, the GPSS client passes the password to the GPSS server in clear text. When the password has a SHADOW: prefix, it represents a shadowed password string, and GPSS uses the Shadow:Key specified in its gpss.json configuration file, or a default key, to decode the password.
HOST: coordinator_host: The host name or IP address of the Greenplum Database coordinator host.
PORT: greenplum_port: The port number of the Greenplum Database server on the coordinator host.
VERSION: version_number: The version of the gpsscli configuration file. GPSS supports versions 1 and 2 of this format.

DATASOURCE: Options

DATASOURCE

The data source. GPSS currently supports KAFKA and FILE data sources; refer to gpkafka-v2.yaml and filesource-v2.yaml for configuration file format and parameters.

DATASOURCE_specific_parameters: Parameters specific to the datasource.

Job SCHEDULE: Options

SCHEDULE:

Controls the frequency and interval of restarting jobs.

RETRY_INTERVAL: retry_time: The period of time that GPSS waits before retrying a failed job. You can specify the time interval in day ( d), hour ( h), minute ( m), second ( s), or millisecond ( ms) integer units; do not mix units. The default retry interval is 5m (5 minutes).
MAX_RETRIES: num_retries: The maximum number of times that GPSS attempts to retry a failed job. The default is 0, do not retry. If you specify a negative value, GPSS retries the job indefinitely.
RUNNING_DURATION: run_time: The amount of time after which GPSS automatically stops a job. GPSS does not automatically stop a job by default.
AUTO_STOP_RESTART_INTERVAL: restart_time: The amount of time after which GPSS restarts a job that it stopped due to reaching RUNNING_DURATION.
MAX_RESTART_TIMES: num_restarts: The maximum number of times that GPSS restarts a job that it stopped due to reaching RUNNING_DURATION. The default is 0, do not restart the job.
QUIT_AT_EOF_AFTER: clock_time: The clock time after which GPSS stops a job every day when it encounters an EOF. By default, GPSS does not automatically stop a job that reaches EOF. GPSS never stops a job when the current time is before clock_time, even when GPSS encounters an EOF.

Job ALERT: Options

Controls notification when a job is stopped for any reason (success, completion, error, user-initiated stop).

COMMAND: command_to_run: The program that the GPSS server runs on the GPSS server host, including arguments. The command must be executable by GPSS.; command_to_run has access to job-related environment variables that GPSS sets, including: $GPSSJOB_NAME, $GPSSJOB_STATUS, and $GPSSJOB_DETAIL.
WORKDIR: directory: The working directory for command_to_run. The default working directory is the directory from which you started the GPSS server process. If you specify a relative path, it is relative to the directory from which you started the GPSS server process.
TIMEOUT: alert_time: The amount of time after a job stops, prompting GPSS to trigger the alert (and run command_to_run). You can specify the time interval in day ( d), hour ( h), minute ( m), or second ( s) integer units; do not mix units. The default alert timeout is -1s (no timeout).

Template Variables

GPSS supports using template variables to specify property values in the load configuration file.

You specify a template variable value in the load configuration file as follows:

<PROPERTY>: {{<template_var>}}

For example:

MAX_RETRIES: {{numretries}}

GPSS substitutes the template variable with a value that you specify via the -p | --property <template_var=value> option to the gpsscli dryrun, gpsscli submit, gpsscli load, or gpkafka load command.

For example, if the command line specifies:

--property numretries=10

GPSS substitutes occurrences of {{numretries}} in the load configuration file with the value 10 before submitting the job, and uses that value while the job is running.

Examples

Submit a job to load data into Greenplum Database as defined in the load configuration file named loadit.yaml:

$ gpsscli submit loadit.yaml

Example Greenplum Database configuration parameters in loadit.yaml:

DATABASE: ops
USER: gpadmin
PASSWORD: changeme
HOST: mdw-1
PORT: 15432
<DATASOURCE_block> ...