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101 lines
3.2 KiB
101 lines
3.2 KiB
#!/usr/local/bin/python3
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"""
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console_port.py - change console port of one or more nodes
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"""
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import os
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import sys
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import gns3api
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from qt_widgets import SimpleWidgets
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widget = SimpleWidgets()
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def die(text):
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""" terminate program with error message """
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widget.alert(None, text)
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sys.exit(text)
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def set_console(argv):
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""" parse command line, retrieve nodes and set console port """
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# get arguments
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if len(argv) < 4:
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die("usage:\nconsole_port version parameter-file project-id [sel-item ...]")
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try:
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with open(argv[2], "r") as file:
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cntl_url, cntl_user, cntl_passwd, *_ = file.read(512).splitlines()
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if argv[2].endswith(".tmp"):
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os.remove(argv[2])
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except (OSError, ValueError) as err:
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sys.exit("Can't get controller connection params: {}".format(err))
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project_id = argv[3]
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sel_items = argv[4:]
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# connect to GNS3 controller
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try:
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api = gns3api.GNS3Api(cntl_url, cntl_user, cntl_passwd)
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except gns3api.GNS3ApiException as err:
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die("Can't connect to GNS3 controller: {}".format(err))
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# get node information
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nodes = {}
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try:
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for node in api.request('GET', ('/v2/projects', project_id, 'nodes')):
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nodes[node['node_id']] = node
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except gns3api.GNS3ApiException as err:
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die("Can't get node information: {}".format(err))
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if not nodes:
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die("No node in project")
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# get selected nodes
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if not sel_items:
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msg_type = "in project"
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sel_nodes = list(nodes.keys())
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else:
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msg_type = "selected"
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sel_nodes = [item[6:] for item in sel_items
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if item.startswith("nodes/")]
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if not sel_nodes:
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die("No node selected")
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sel_nodes = [node_id for node_id in sel_nodes
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if nodes[node_id]['console']]
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if not sel_nodes:
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die("No node with console port " + msg_type)
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sel_nodes.sort(key=lambda k: nodes[k]['name'].lower())
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# New console port
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min_port = 5000
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max_port = 10000
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console_port = widget.get_int(None, "Console port", min_port,
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min_port, max_port)
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if console_port is None:
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return
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# update console port of selected nodes
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for node_id in sel_nodes:
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if nodes[node_id]['node_type'] == 'ethernet_switch':
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continue
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try:
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node = api.request('PUT',
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('/v2/projects', project_id, "nodes", node_id),
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{"console": console_port})
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except gns3api.GNS3ApiException as err:
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if isinstance(err, gns3api.HTTPError) and err.args[0] == 409:
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widget.info(None, "{}: {}"
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.format(nodes[node_id]['name'], err.args[1]))
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else:
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die("Can't update node information: {}".format(err))
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else:
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if node['console'] != console_port:
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widget.info(None, "{}: Can't update console port, using {}"
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.format(nodes[node_id]['name'], node['console']))
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console_port += 1
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if console_port > max_port:
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console_port = min_port
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try:
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set_console(sys.argv)
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except KeyboardInterrupt:
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sys.stderr.write("Aborted\n")
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