Hadoop Yarn ResourceManager Check

Check the health of the ResourceManager(s).

module.exports = header: 'YARN RM Check', handler: ({options}) ->

Wait

Wait for the ResourceManager.

  @call once: true, 'ryba/hadoop/yarn_rm/wait', options.wait

Check Health

Connect to the provided ResourceManager to check its health. This command yarn rmadmin -checkHealth {serviceId} return 0 if the ResourceManager is healthy, non-zero otherwise. This check only apply to High Availability mode.

  @system.execute
    header: 'HA Health'
    if: options.yarn_site['yarn.resourcemanager.ha.enabled'] is 'true'
    cmd: mkcmd.hdfs options.hdfs_krb5_user, "yarn --config #{options.conf_dir} rmadmin -checkHealth #{options.hostname}"
    retry: 3
    wait: 5000

Dependencies

mkcmd = require '../../lib/mkcmd'