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"""Module for doing process related tasks such as ps info."""
from openshiftstoragelibs.openshift_ops import (
cmd_run_on_gluster_pod_or_node,
)
def get_process_info_on_gluster_pod_or_node(
master, g_node, process, fields):
"""Get the info of the running process in the gluster node or pod.
Args:
master (str): master node of ocp cluster.
g_node (str): ip or hostname of gluster node.
process (str): name of the process.
e.g. 'glusterfsd'
fields (list): field names of the process.
e.g. ['pid', 'rss', 'vsz', '%cpu']
Returns:
list: [
{field1: val, field2: val},
{field1: val, field2: val}
]
"""
cmd = "ps -C {} -o {} --no-headers".format(process, ','.join(fields))
out = cmd_run_on_gluster_pod_or_node(master, cmd, g_node)
return [
dict(list(zip(fields, prc.strip().split()))) for prc in out.split('\n')
]
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