PCSStatus - command pcs status

This module provides the classs PCSStatus which processes /usr/sbin/pcs status command output. Typical output of the pcs status command looks like:

Cluster name: mycluster
Last updated: Thu Dec  1 02:33:50 2016              Last change: Wed Aug  3 03:47:11 2016 by root via cibadmin on nodea.example.com
Stack: corosync
Current DC: nodea.example.com (version 1.1.13-10.el7-44eb2dd) - partition WITHOUT quorum
3 nodes and 3 resources configured

Online: [ nodea.example.com ]
OFFLINE: [ nodeb.example.com nodec.example.com ]

Full list of resources:
    myfence (stonith:fence_xvm):    Stopped
    Resource Group: myweb
        webVIP      (ocf::heartbeat:IPaddr2):       Stopped
        webserver   (ocf::heartbeat:apache):        Stopped
PCSD Status:
    nodea.example.com: Online
    nodeb.example.com: Offline
    nodec.example.com: Offline
Daemon Status:
    corosync: active/enabled
    pacemaker: active/enabled
    pcsd: active/enabled

The class PCSStatus has one attribute nodes whick is a list containing all node names that from PCSD Status section.

Examples

>>> pcsstatus_content = '''
... Cluster name: openstack
... Last updated: Fri Oct 14 15:45:32 2016
... Last change: Thu Oct 13 20:02:27 2016
... Stack: corosync
... Current DC: myhost15 (1) - partition with quorum
... Version: 1.1.12-a14efad
... 3 Nodes configured
... 143 Resources configured
... online: [ myhost15 myhost16 myhost17 ]
... Full list of resources:
... stonith-ipmilan-10.24.221.172   (stonith:fence_ipmilan):        Started myhost15
... stonith-ipmilan-10.24.221.171   (stonith:fence_ipmilan):        Started myhost16
... stonith-ipmilan-10.24.221.173   (stonith:fence_ipmilan):        Started myhost15
... PCSD Status:
...     myhost15: Online
...     myhost17: Online
...     myhost16: Online
... Daemon Status:
...    corosync: active/enabled
...    pacemaker: active/enabled
...    pcsd: active/enabled
... '''.strip()
>>> from insights.tests import context_wrap
>>> shared = {PCSStatus: PCSStatus(context_wrap(pcsstatus_content))}
>>> pcsstatus_info = shared[PCSStatus]
>>> pcsstatus_info.get("Cluster name")
'openstack'
>>> pcsstatus_info.get("Stack")
'corosync'
>>> pcsstatus_info.get("Nodes configured")
'3'
>>> pcsstatus_info.get("Resources configured")
'143'
>>> pcsstatus_info.nodes
['myhost15', 'myhost17', 'myhost16']
>>> len(pcsstatus_info.get("Full list of resources"))
3
class insights.parsers.pcs_status.PCSStatus(context, extra_bad_lines=None)[source]

Bases: insights.core.CommandParser, dict

Class to process the output of pcs status command.

Sample Output:

{
    "Resources configured": "143",
    "PCSD Status": [
        "myhost15: Online",
        "myhost17: Online",
        "myhost16: Online"
    ],
    "Current DC": "myhost15 (1) - partition with quorum",
    "Full list of resources": [
        "stonith-ipmilan-10.24.221.172  (stonith:fence_ipmilan):        Started myhost15",
        "stonith-ipmilan-10.24.221.171  (stonith:fence_ipmilan):        Started myhost16",
        "stonith-ipmilan-10.24.221.173  (stonith:fence_ipmilan):        Started myhost15",
    ],
    "Daemon Status": [
        "corosync: active/enabled",
        "pacemaker: active/enabled",
        "pcsd: active/enabled"
    ],
    "Nodes configured": "3",
    "Online": "[ myhost15 myhost16 myhost17 ]",
    "Cluster name": "openstack",
    "Stack": "corosync"
}
nodes

A list containing all node names according “PCSD Status” section

Type

list

parse_content(content)[source]

This method must be implemented by classes based on this class.