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#!/usr/bin/env python
# vim: set fileencoding=UTF-8:
# Copyright 2013 Red Hat, Inc.
# Author: Jan Pokorný <jpokorny at redhat dot com>
# Distributed under GPLv2+; generated content under CC-BY-SA 3.0
# (to view a copy, visit http://creativecommons.org/licenses/by-sa/3.0/)
"""Model of cman-based cluster capturing deployment, communication, etc.
By default, output is a PDF file named as per this script modulo extension.
Generally, you can specify arbitrary format/extension supported by graphviz
as a first parameter and you'll get what you ask for, including original
'.dot' file for further utilization.
If you generate mere dot file (./overview.py dot), you can view it
conveniently using XDot: http://code.google.com/p/jrfonseca/wiki/XDot
"""
# TODO: integrate ^^^? http://code.google.com/p/jrfonseca/wiki/XDot#Embedding
from sys import argv
from os.path import splitext
from lib import *
FONT = 'Inconsolata'
FONTDEF = map(lambda switch: '-' + switch + 'fontname=' + FONT, "GNE")
BLACKLIST = ()
#BLACKLIST = (Daemon,)
OUTPUT = splitext(__file__)[0]
graph = lambda: \
LibDot('Cluster.conf-related tools',
overlap='scalexy',
compound='true',
splines='yes',
# , ranksep='1.2',
_subgraphs=[
# management client
LibSubgraph('cluster-climgmt',
label='management client',
_nodes=[
Program('luci'),
Program('ccs'),
]
),
# other monitoring
LibSubgraph('cluster-monitor',
label='other monitoring',
_nodes=[
Program('snmpwalk'),
Program('wbemcli'),
]
),
# nodes
LibSubgraph('cluster-nodes',
style='invis',
_subgraphs=[
# node a
GraphNode('cluster-node_a',
label='NODE A',
_subgraphs=[
# node a - management
GraphSubnode('cluster-node_a-conga',
label='management (incomplete)',
_nodes=[
Daemon('node_a-ricci',
label='ricci'),
Daemon('node_a-modclusterd',
label='modclusterd'),
]
)
]
),
# node b
GraphNode('cluster-node_b',
label='NODE B',
_subgraphs=[
# node b - management
GraphSubnode('cluster-node_b-conga',
label='management',
_nodes=[
Agent('node_b-libClusterMonitorSnmp.so', label='libClusterMonitorSnmp.so'),
Agent('node_b-libRedHatClusterProvider.so', label='libRedHatClusterProvider.so'),
Artefact('node_b-clumond.sock', label='/var/run/clumond.sock'),
Daemon('node_b-ricci', label='ricci'),
Daemon('node_b-modclusterd', label='modclusterd'),
Program('node_b-modcluster', label='modcluster'),
],
_edges=[
Consume('node_b-libClusterMonitorSnmp.so', 'node_b-clumond.sock'),
Consume('node_b-libRedHatClusterProvider.so', 'node_b-clumond.sock'),
Consume('node_b-modcluster', 'node_b-clumond.sock'),
Produce('node_b-modclusterd', 'node_b-clumond.sock'),
]
),
# node b - core
GraphSubnode('cluster-node_b-core',
label='core',
_nodes=[
LibNode('node_b-libccsconfdb', label='libccsconfdb'),
Daemon('node_b-rgmanager', label='rgmanager'),
Program('node_b-clustat', label='clustat'),
Artefact('node_b-rgmanager.sk', label='/var/run/cluster/rgmanager.sk'),
],
_edges=[
Consume('node_b-clustat', 'node_b-rgmanager.sk'),
Consume('node_b-rgmanager', 'node_b-libccsconfdb'),
Produce('node_b-rgmanager', 'node_b-rgmanager.sk'),
]
)
],
_nodes=[
Artefact('node_b-cluster.conf', label='/etc/cluster/cluster.conf'),
Daemon('node_b-snmpd', label='snmpd'),
Daemon('node_b-cimserver', label='cimserver'),
],
_edges=[
Consume('node_b-modcluster', 'node_b-cluster.conf', label='version?'),
Consume('node_b-modclusterd', 'node_b-cluster.conf', label='version?'),
Consume('node_b-libccsconfdb', 'node_b-cluster.conf', label='version?'),
Consume('node_b-ricci', 'node_b-cluster.conf', label='clustername\nclusteralias'),
Consume('node_b-snmpd', 'node_b-libClusterMonitorSnmp.so'),
Consume('node_b-cimserver', 'node_b-libRedHatClusterProvider.so'),
DelegateOddjobExec('node_b-ricci', 'node_b-modcluster'),
]
),
# node c - general
GraphNode('cluster-node_c',
label='NODE C',
_subgraphs=[
# node c - management
GraphSubnode('cluster-node_c-conga',
label='management (incomplete)',
_nodes=[
Daemon('node_c-ricci',
label='ricci'),
Daemon('node_c-modclusterd',
label='modclusterd')
]
)
]
)
]
),
],
_nodes=[
Program('firefox')
],
_edges=[
DelegateRICCIRPC('luci', 'node_a-ricci', ltail='cluster-climgmt', constraint='false'),
DelegateRICCIRPC('luci', 'node_b-ricci', ltail='cluster-climgmt'),
DelegateRICCIRPC('luci', 'node_c-ricci', ltail='cluster-climgmt', constraint='false'),
DelegateLuciHTTPS('firefox', 'luci'),
DelegateSNMP('snmpwalk', 'node_b-snmpd'),
DelegateCIM('wbemcli', 'node_b-cimserver'),
Exchange('node_a-modclusterd', 'node_b-modclusterd', label='port 16851 (either direction)', constraint='false'),
Exchange('node_a-modclusterd', 'node_c-modclusterd', label='port 16851 (either direction)', constraint='false'),
Exchange('node_b-modclusterd', 'node_c-modclusterd', label='port 16851 (either direction)', constraint='false'),
]
)
###
if __name__ == '__main__':
main(graph, argv, *FONTDEF, blacklist=BLACKLIST, output=OUTPUT)
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