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node.name, |
remote_host, |
key="{}-{}".format(remote_port, port), |
headport=remote_port, |
tailport=port) |
else: |
G.add_edge(node.name, remote_host, |
key="{}-{}".format(remote_port, port)) |
edge = G.get_edge( |
node.name, remote_host, key="{}-{}".format( |
remote_port, port)) |
if topology[remote_host]['node_type'] == 'hca': |
edge.attr['color'] = HCA_Edge_Color |
if useClusters: |
if Subgraph_For_Current_Switch is None: |
Subgraph_For_Current_Switch = G.subgraph( |
remote_host, 'cluster{}'.format( |
global_cluster_id)) |
Subgraph_For_Current_Switch.graph_attr[ |
'fillcolor'] = Cluster_Color |
Subgraph_For_Current_Switch.graph_attr[ |
'style'] = 'filled' |
global_cluster_id = global_cluster_id + 1 |
else: |
Subgraph_For_Current_Switch.add_node( |
remote_host) |
else: |
# Else the node connects two switches. |
edge.attr['color'] = Switch_Edge_Color |
if exportGexf: |
gephi_edge_id += 1 |
edge_node = et.SubElement( |
edges_node, 'edge', |
attrib={'id': str(gephi_edge_id), |
'source': node.name, |
'target': remote_host, |
'label': "{} -- {}".format( |
node.name, remote_host)}) |
r, g, b = hex_to_rgb(edge.attr['color']) |
et.SubElement( |
edge_node, 'viz:color', attrib={ |
'r': str(r), 'g': str(g), 'b': str(b)}) |
node.attr['label'] = label |
# print(G.string()) |
LOG.info(("Total number of nodes: %d\n" |
"Total number of Switches: %d\n" |
"Total number of HCAs: %d\n" |
"Total number of Edges: %d"), |
num_of_hcas + num_of_switches, |
num_of_switches, |
num_of_hcas, |
len(G.edges())) |
output_filename = os.path.basename(topology_file) |
dot_filename = "{}.dot".format(output_filename) |
G.write(dot_filename) |
LOG.info( |
"The dot file has been saved in the file '%s'.", dot_filename) |
if options.render_file: |
# twopi, gvcolor, wc, ccomps, tred, sccmap, fdp, circo, neato, acyclic, |
# nop, gvpr, dot, sfdp |
drawing_args = '' |
G.layout(prog='neato', args=drawing_args) |
# 'canon', 'cmap', 'cmapx', 'cmapx_np', 'dia', 'dot', |
# 'fig', 'gd', 'gd2', 'gif', 'hpgl', 'imap', 'imap_np', |
# 'ismap', 'jpe', 'jpeg', 'jpg', 'mif', 'mp', 'pcl', 'pdf', |
# 'pic', 'plain', 'plain-ext', 'png', 'ps', 'ps2', 'svg', |
# 'svgz', 'vml', 'vmlz', 'vrml', 'vtx', 'wbmp', 'xdot', 'xlib' |
render_filename = "{}.pdf".format(output_filename) |
G.draw(render_filename) |
LOG.info("The rendered file has been saved in the file '%s'.", |
render_filename) |
# Use command line to debug long executing drawings: |
# dot -Tpdf -Gnslimit=1000 k-18-n-3.topology.dot -v -O |
if exportGexf: |
gexf_filename = "{}.gexf".format(output_filename) |
xml_ugly = et.tostring(root_node, encoding='UTF-8', method='xml') |
xml = md.parseString(xml_ugly) |
with open(gexf_filename, 'wb') as f: |
f.write(xml.toprettyxml(indent=" ", newl="\n", encoding='UTF-8')) |
LOG.info( |
"The gexf file has been saved in the file '%s'.", gexf_filename) |
LOG.info(("\nIf you want to generate a beautiful graph with Gephi," |
" follow the following steps:\n" |
" 1. Load the file '%s' in Gephi.\n" |
" 2. Go to the 'Overview' tab and choose a placement layout" |
" (I like the results of 'ForceAtlas 2' algorithm).\n" |
" 3. Tune as needed and run the layout until you are" |
" satisfied with the placement and press stop.\n" |
" 4. Go to the 'Preview' tab and press the 'Refresh'" |
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