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-rw-r--r--.scripts/adv_graphgen/README28
-rwxr-xr-x.scripts/adv_graphgen/parse.py85
-rwxr-xr-x.scripts/adv_graphgen/sanitize.sh13
3 files changed, 126 insertions, 0 deletions
diff --git a/.scripts/adv_graphgen/README b/.scripts/adv_graphgen/README
new file mode 100644
index 00000000..082e0f2b
--- /dev/null
+++ b/.scripts/adv_graphgen/README
@@ -0,0 +1,28 @@
+The folder contains a number of scripts which provide a convenient way to
+generate advanced graphs from the SIGUSR2 output of tinc.
+
+it currently contains the following files:
+
+sanitize.sh:
+ wrapper arond parse.py which filters the syslog file for all tinc
+ related lines and removes the status informations:
+ this means that
+ <code>
+ May 19 20:40:44 servarch dnsmasq[5382]: reading /etc/resolv.conf
+ May 19 20:41:38 servarch tinc.retiolum[4780]: Error looking up pa-sharepoint.informatik.ba-stuttgart.de port 655: Name or service not known
+ </code>
+ becomes
+ <code>
+ Error looking up pa-sharepoint.informatik.ba-stuttgart.de port 655: Name or service not known
+ </code>
+ and so on.
+ It also provides a wrapper around graphviz which automagically
+ generates graphs from the produced graph file
+
+parse.py:
+ reads from stdin the sanitized syslog file and prints a valid dot file
+ from the given output.
+ The parser module may also produce any other output (e.g. for dns
+ entries and so on) you will need to actually read and modify the source
+ in order to be able to do this. ~May the source be with you~
+
diff --git a/.scripts/adv_graphgen/parse.py b/.scripts/adv_graphgen/parse.py
new file mode 100755
index 00000000..27fe3a99
--- /dev/null
+++ b/.scripts/adv_graphgen/parse.py
@@ -0,0 +1,85 @@
+#!/usr/bin/python2
+
+import sys
+""" TODO: Refactoring needed to pull the edges out of the node structures again,
+it should be easier to handle both structures"""
+
+def write_digraph(nodes):
+ """
+ writes the complete digraph in dot format
+ """
+ print ('digraph retiolum {')
+ print (' node[shape=box,style=filled,fillcolor=grey]')
+ generate_stats(nodes)
+ merge_edges(nodes)
+ for k,v in nodes.iteritems():
+ write_node(k,v)
+ print ('}')
+def generate_stats(nodes):
+ """ Generates some statistics of the network and nodes
+ """
+ for k,v in nodes.iteritems():
+ v['num_conns'] = len(v.get('to',[]))
+
+def merge_edges(nodes):
+ """ merge back and forth edges into one
+ DESTRUCTS the current structure by deleting "connections" in the nodes
+
+ """
+ for k,v in nodes.iteritems():
+ for con in v.get('to',[]):
+ for i,secon in enumerate(nodes[con['name']].get('to',[])):
+ if k == secon['name']:
+ del (nodes[con['name']]['to'][i])
+ con['bidirectional'] = True
+
+
+def write_node(k,v):
+ """ writes a single node and its edges """
+ node = " "+k+"[label=\""
+ node += k+"\\l"
+ node += "external:"+v['external-ip']+":"+v['external-port']+"\\l"
+ if v.has_key('num_conns'):
+ node += "Num Connects:"+str(v['num_conns'])+"\\l"
+ node += "internal:"+v['internal-ip']+"\\l\""
+ if v['external-ip'] == "MYSELF":
+ node += ",fillcolor=steelblue1"
+ node += "]"
+ print (node)
+ for con in v.get('to',[]):
+ edge = " "+k+ " -> " +con['name'] + "[weight="+str(10/float(con['weight']))
+ if con.get('bidirectional',False):
+ edge += ",dir=both"
+ edge += "]"
+ print edge
+def parse_input():
+ nodes={}
+ for line in sys.stdin:
+ line = line.replace('\n','')
+ if line == 'Nodes:':
+ nodes={}
+ for line in sys.stdin:
+ if line == 'End of nodes.\n':
+ break
+ l = line.replace('\n','').split() #TODO unhack me
+ nodes[l[0]]= { 'external-ip': l[2], 'external-port' : l[4] }
+ if line == 'Subnet list:':
+ for line in sys.stdin:
+ if line == 'End of subnet list.\n':
+ break
+ l = line.replace('\n','').split()
+ nodes[l[2]]['internal-ip'] = l[0].split('#')[0]
+ if line == 'Edges:':
+ edges = {}
+ for line in sys.stdin:
+ if line == 'End of edges.\n':
+ break
+ l = line.replace('\n','').split()
+
+ if not nodes[l[0]].has_key('to') :
+ nodes[l[0]]['to'] = []
+ nodes[l[0]]['to'].append(
+ {'name':l[2],'addr':l[4],'port':l[6],'weight' : l[10] })
+ return nodes
+nodes = parse_input()
+write_digraph(nodes)
diff --git a/.scripts/adv_graphgen/sanitize.sh b/.scripts/adv_graphgen/sanitize.sh
new file mode 100755
index 00000000..88591b67
--- /dev/null
+++ b/.scripts/adv_graphgen/sanitize.sh
@@ -0,0 +1,13 @@
+GRAPH_SETTER1=dot
+GRAPH_SETTER2=circo
+LOG_FILE=/var/log/everything.log
+OPENER=/bin/true
+
+sudo pkill -USR2 tincd
+sudo sed -n '/tinc.retiolum/{s/.*tinc.retiolum\[[0-9]*\]: //gp}' $LOG_FILE |\
+ ./parse.py > retiolum.dot
+
+$GRAPH_SETTER1 -Tpng -o $1retiolum_1.png retiolum.dot
+$GRAPH_SETTER2 -Tpng -o $1retiolum_2.png retiolum.dot
+$OPENER retiolum_1.png &>/dev/null
+rm retiolum.dot