From f6ef7d04a2505a5fc3f7af6c5113455134aec94a Mon Sep 17 00:00:00 2001
From: Chad Kerner <ckerner@illinois.edu>
Date: Fri, 26 Jan 2018 00:17:34 -0600
Subject: [PATCH] Added logic to get the name of the node that is the cluster
master. It sets the Cluster.cluster_manager variable to True if so, else
False.
---
setup.py | 2 +-
ssapi.py | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 54 insertions(+), 1 deletion(-)
diff --git a/setup.py b/setup.py
index 60b81ed..ccca809 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
from distutils.core import setup
setup( name = 'ssapi',
- version = '0.9',
+ version = '1.00',
py_modules = [ 'ssapi' ],
)
diff --git a/ssapi.py b/ssapi.py
index 5d36e46..4893782 100755
--- a/ssapi.py
+++ b/ssapi.py
@@ -28,6 +28,7 @@ from subprocess import Popen, PIPE
import sys
import shlex
import time
+import socket
def run_cmd( cmdstr=None ):
@@ -154,9 +155,61 @@ class Cluster:
def __init__( self ):
self.debug = 0
self.get_cluster_info()
+ self.is_node_cluster_manager()
self.nsds = Nsds()
self.gpfsdevs = self.nsds.return_gpfs_devices()
+ def get_manager_info( self ):
+ """
+ This routine parses the mmlsmgr command.
+ """
+ self.manager_info = {}
+ cmd_out = run_cmd("/usr/lpp/mmfs/bin/mmlsmgr")
+
+ def get_cluster_manager( self ):
+ """
+ This routine parses the mmlsmgr command.
+ """
+ self.cluster_manager = {}
+ cmd_out = run_cmd("/usr/lpp/mmfs/bin/mmlsmgr -c")
+ for line in cmd_out.splitlines():
+ line.rstrip()
+
+ # Ignore blank lines
+ if not line:
+ continue
+
+ if 'Cluster manager node' in line:
+ line = line.translate(None, '()')
+ ipaddr = line.split()[3]
+ nodename = line.split()[4]
+ self.cluster_manager['node'] = nodename
+ self.cluster_manager['ip'] = ipaddr
+
+ def is_node_cluster_manager( self ):
+ """
+ Check to see if this node is the cluster manager.
+ """
+ self.cluster_manager = {}
+ cmd_out = run_cmd("/usr/lpp/mmfs/bin/mmlsmgr -c")
+ for line in cmd_out.splitlines():
+ line.rstrip()
+
+ # Ignore blank lines
+ if not line:
+ continue
+
+ if 'Cluster manager node' in line:
+ line = line.translate(None, '()')
+ ipaddr = line.split()[3]
+ nodename = line.split()[4]
+ local_host = socket.gethostname()
+ if nodename in local_host:
+ self.cluster_manager = True
+ else:
+ self.cluster_manager = False
+
+
def get_cluster_info( self ):
"""
This routine parses the mmlscluster command.
--
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