QEMU: ifname compilation and vm port activation

1 files changed, 256 insertions, 0 deletions

diff --git a/tools/democonf2rumba.py b/tools/democonf2rumba.py
new file mode 100755
index 0000000..d9ea8e7
--- /dev/null
+++ b/tools/democonf2rumba.py
@@ -0,0 +1,256 @@
+#!/usr/bin/env python
+
+import argparse
+import re
+
+import rumba.model as mod
+
+
+def make_experiment(filename, experiment_class, experiment_kwargs,
+                    testbed_class, testbed_kwargs):
+    """
+    :type filename str
+    :param filename: path to the .conf file
+    :param experiment_class: subclass of mod.Experiment
+    :param experiment_kwargs: args dict for experiment constructor
+    (nodes will be overwritten)
+    :param testbed_class: subclass of mod.Testbed
+    :param testbed_kwargs: args dict for experiment constructor
+    (nodes will be overwritten)
+    """
+    shims = {}
+    nodes = {}
+    difs = {}
+
+    print('Reading file %s.' % (filename,))
+
+    with open(filename, 'r') as conf:
+
+        line_cnt = 0
+
+        while 1:
+            line = conf.readline()
+            if line == '':
+                break
+            line_cnt += 1
+
+            line = line.replace('\n', '').strip()
+
+            if line.startswith('#') or line == "":
+                continue
+
+            m = re.match(r'\s*eth\s+([\w-]+)\s+(\d+)([GMK])bps\s+(\w.*)$', line)
+            if m:
+                shim = m.group(1)
+                speed = int(m.group(2))
+                speed_unit = m.group(3).lower()
+                vm_list = m.group(4).split()
+
+                if shim in shims or shim in difs:
+                    print('Error: Line %d: shim %s already defined'
+                          % (line_cnt, shim))
+                    continue
+
+                if speed_unit == 'K':
+                    speed = speed // 1000
+                if speed_unit == 'G':
+                    speed = speed * 1000
+
+                shims[shim] = {'name': shim,
+                               'speed': speed,
+                               'type': 'eth'}
+
+                for vm in vm_list:
+                    nodes.setdefault(vm, {'name': vm, 'difs': [],
+                                          'dif_registrations': {},
+                                          'registrations': {}})
+                    nodes[vm]['difs'].append(shim)
+                continue
+
+            m = re.match(r'\s*dif\s+([\w-]+)\s+([\w-]+)\s+(\w.*)$', line)
+            if m:
+                dif = m.group(1)
+                vm = m.group(2)
+                dif_list = m.group(3).split()
+
+                if dif in shims:
+                    print('Error: Line %d: dif %s already defined as shim'
+                          % (line_cnt, dif))
+                    continue
+
+                difs.setdefault(dif, {
+                    'name': dif})  # Other dict contents might be policies.
+
+                if vm in nodes and dif in nodes[vm]['dif_registrations']:
+                    print('Error: Line %d: vm %s in dif %s already specified'
+                          % (line_cnt, vm, dif))
+                    continue
+
+                nodes.setdefault(vm, {'name': vm, 'difs': [],
+                                      'dif_registrations': {},
+                                      'registrations': {}})
+                nodes[vm]['difs'].append(dif)
+                nodes[vm]['dif_registrations'] \
+                         [dif] = dif_list
+                # It is not defined yet, per check above.
+
+                continue
+
+            # No match, spit a warning
+            print('Warning: Line %d unrecognized and ignored' % line_cnt)
+
+    # File parsed
+
+    parsed_difs = {}
+
+    for shim_name, shim in shims.items():
+        parsed_difs[shim_name] = (mod.ShimEthDIF(shim_name,
+                                                 link_speed=shim['speed']))
+
+    for dif_name, dif in difs.items():
+        parsed_difs[dif_name] = (mod.NormalDIF(dif_name))
+
+    parsed_nodes = []
+    for node, node_data in nodes.items():
+        name = node_data['name']
+        difs = [parsed_difs[x] for x in node_data['difs']]
+        dif_registrations = {parsed_difs[x]: [parsed_difs[y] for y in l]
+                             for x, l in node_data['dif_registrations']
+                             .items()}
+        parsed_nodes.append(mod.Node(name, difs, dif_registrations))
+
+    testbed = testbed_class(**testbed_kwargs)
+
+    experiment_kwargs['testbed'] = testbed
+    experiment_kwargs['nodes'] = parsed_nodes
+
+    return experiment_class(**experiment_kwargs).run()
+
+
+def setup_testbed_common_args(t_p):
+
+    t_p.add_argument('-E', '--exp_name', metavar='EXP_NAME', type=str,
+                     required=True,
+                     help='Experiment name')
+    t_p.add_argument('-U', '--username', metavar='USERNAME', type=str,
+                     required=True,
+                     help='Testbed user name')
+    t_p.add_argument('-P', '--proj_name', metavar='PROJECT_NAME', type=str,
+                     help='Project name')
+    t_p.add_argument('-W', '--password', metavar='PASSWORD', type=str,
+                     help='Testbed password')
+
+
+if __name__ == '__main__':
+    description = "Demonstrator config file to rumba script converter"
+    epilog = "2017 Marco Capitani <m.capitani@nextworks.it>"
+
+    parser = argparse.ArgumentParser(description=description,
+                                     epilog=epilog)
+
+    parser.add_argument('-P', '--prototype', type=str, required=True,
+                        choices=['irati', 'ouroboros', 'rlite'],
+                        help='The kind of prototype plugin to use to run'
+                             ' the experiment.')
+
+    parser.add_argument('-C', '--conf', metavar='CONFIG', type=str,
+                        required=True,
+                        help='Path to the config file to parse')
+
+    subparsers = parser.add_subparsers(dest='testbed')
+    emulab_p = subparsers.add_parser('emulab', help='Use emulab testbed')
+    jfed_p = subparsers.add_parser('jfed', help='Use jfed testbed')
+    qemu_p = subparsers.add_parser('qemu', help='Use qemu testbed')
+    fake_p = subparsers.add_parser('fake', help='Use fake testbed')
+
+    for t in [emulab_p, jfed_p, qemu_p, fake_p]:
+        setup_testbed_common_args(t)
+
+    qemu_p.add_argument('-B', '--bzimage', metavar='BZIMAGE', type=str,
+                        required=True,
+                        help='path to the bzImage file to use')
+    qemu_p.add_argument('-I', '--initramfs', metavar='INITRAMFS', type=str,
+                        required=True,
+                        help='path to the initramfs file to use')
+    qemu_p.add_argument('-V', '--use_vhost', action='store_true',
+                        default=False, help='Use vhost')
+    qemu_p.add_argument('-Q', '--qemu_logs_dir', metavar='QEMU_LOGS', type=str,
+                        default=None, help='path to the folder for qemu logs')
+
+    emulab_p.add_argument('-R', '--url', metavar='URL', type=str,
+                          default="wall2.ilabt.iminds.be",
+                          help='Url')
+    emulab_p.add_argument('-I', '--image', metavar='IMG', type=str,
+                          default="UBUNTU14-64-STD",
+                          help='Ubuntu image')
+
+    jfed_p.add_argument('-C', '--cert_file', metavar='CERT', type=str,
+                        required=True,
+                        help='Certificate file')
+    jfed_p.add_argument('-J', '--jar', metavar='JAR', type=str,
+                        required=True,
+                        help='Jfed jar')
+    jfed_p.add_argument('-H', '--exp_hours', metavar='HOURS', type=int,
+                        default=2, help='Experiment hours')
+    jfed_p.add_argument('-A', '--authority', metavar='AUTH', type=str,
+                        default="wall2.ilabt.iminds.be",
+                        help='Authority')
+
+    args = parser.parse_args()
+
+    if args.testbed == 'emulab':
+        import rumba.testbeds.emulab as emulab
+        test_class = emulab.Testbed
+        testbed_args = {a.dest: getattr(args, a.dest)
+                        for a in emulab_p._actions
+                        if a.dest != 'help'
+                        and getattr(args, a.dest) is not None}
+    elif args.testbed == 'jfed':
+        import rumba.testbeds.jfed as jfed
+        test_class = jfed.Testbed
+        testbed_args = {a.dest: getattr(args, a.dest)
+                        for a in jfed_p._actions
+                        if a.dest != 'help'
+                        and getattr(args, a.dest) is not None}
+    elif args.testbed == 'qemu':
+        import rumba.testbeds.qemu as qemu
+        test_class = qemu.Testbed
+        testbed_args = {a.dest: getattr(args, a.dest)
+                        for a in qemu_p._actions
+                        if a.dest != 'help'
+                        and getattr(args, a.dest) is not None}
+    elif args.testbed == 'fake':
+        import rumba.testbeds.faketestbed as fake
+        test_class = fake.Testbed
+        testbed_args = {a.dest: getattr(args, a.dest)
+                        for a in fake_p._actions
+                        if a.dest != 'help'
+                        and getattr(args, a.dest) is not None}
+    else:
+        if args.testbed is None:
+            print('Testbed type must be specified!')
+            print(parser.format_help())
+            exit(1)
+        raise ValueError('Unexpected testbed: %s.' % args.testbed)
+
+    if args.prototype == 'irati':
+        import rumba.prototypes.irati as irati
+        exp_class = irati.Experiment
+    elif args.prototype == 'ouroboros':
+        import rumba.prototypes.ouroboros as ouroboros
+        exp_class = ouroboros.Experiment
+    elif args.prototype == 'rlite':
+        import rumba.prototypes.rlite as rlite
+        exp_class = rlite.Experiment
+    else:
+        raise ValueError('Unexpected prototype: %s.' % args.testbed)
+
+    try:
+        make_experiment(args.conf,
+                        experiment_class=exp_class,
+                        experiment_kwargs={},
+                        testbed_class=test_class,
+                        testbed_kwargs=testbed_args)
+
+    except KeyboardInterrupt:
+        print("Interrupted. Closing down.")