root / snf-deploy / snfdeploy / lib.py @ c6e90126
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1 | 0ac84a9a | Dimitris Aragiorgis | #!/usr/bin/python
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2 | 0ac84a9a | Dimitris Aragiorgis | |
3 | 0ac84a9a | Dimitris Aragiorgis | import time |
4 | 0ac84a9a | Dimitris Aragiorgis | import ipaddr |
5 | 0ac84a9a | Dimitris Aragiorgis | import os |
6 | 0ac84a9a | Dimitris Aragiorgis | import signal |
7 | 0ac84a9a | Dimitris Aragiorgis | import ConfigParser |
8 | 0ac84a9a | Dimitris Aragiorgis | import sys |
9 | 0ac84a9a | Dimitris Aragiorgis | import re |
10 | 0ac84a9a | Dimitris Aragiorgis | import random |
11 | 0ac84a9a | Dimitris Aragiorgis | import subprocess |
12 | 0ac84a9a | Dimitris Aragiorgis | import imp |
13 | 0ac84a9a | Dimitris Aragiorgis | |
14 | 0ac84a9a | Dimitris Aragiorgis | |
15 | 1bc6d467 | Dionysis Grigoropoulos | HEADER = '\033[95m'
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16 | 1bc6d467 | Dionysis Grigoropoulos | OKBLUE = '\033[94m'
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17 | 1bc6d467 | Dionysis Grigoropoulos | OKGREEN = '\033[92m'
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18 | 1bc6d467 | Dionysis Grigoropoulos | WARNING = '\033[93m'
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19 | 1bc6d467 | Dionysis Grigoropoulos | FAIL = '\033[91m'
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20 | 1bc6d467 | Dionysis Grigoropoulos | ENDC = '\033[0m'
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21 | 1bc6d467 | Dionysis Grigoropoulos | |
22 | 1bc6d467 | Dionysis Grigoropoulos | |
23 | 1bc6d467 | Dionysis Grigoropoulos | def disable_color(): |
24 | eaae0a32 | Erethon | global HEADER
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25 | eaae0a32 | Erethon | global OKBLUE
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26 | eaae0a32 | Erethon | global OKGREEN
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27 | eaae0a32 | Erethon | global WARNING
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28 | eaae0a32 | Erethon | global FAIL
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29 | eaae0a32 | Erethon | global ENDC
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30 | eaae0a32 | Erethon | |
31 | 1bc6d467 | Dionysis Grigoropoulos | HEADER = ''
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32 | 1bc6d467 | Dionysis Grigoropoulos | OKBLUE = ''
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33 | 1bc6d467 | Dionysis Grigoropoulos | OKGREEN = ''
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34 | 1bc6d467 | Dionysis Grigoropoulos | WARNING = ''
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35 | 1bc6d467 | Dionysis Grigoropoulos | FAIL = ''
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36 | 1bc6d467 | Dionysis Grigoropoulos | ENDC = ''
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37 | 1bc6d467 | Dionysis Grigoropoulos | |
38 | 1bc6d467 | Dionysis Grigoropoulos | |
39 | 1bc6d467 | Dionysis Grigoropoulos | if not sys.stdout.isatty(): |
40 | 1bc6d467 | Dionysis Grigoropoulos | disable_color() |
41 | 0ac84a9a | Dimitris Aragiorgis | |
42 | 7d6fed3a | Dionysis Grigoropoulos | |
43 | 0ac84a9a | Dimitris Aragiorgis | class Host(object): |
44 | f1b4fdfc | Dimitris Aragiorgis | def __init__(self, hostname, ip, mac, domain, os): |
45 | 0ac84a9a | Dimitris Aragiorgis | self.hostname = hostname
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46 | 0ac84a9a | Dimitris Aragiorgis | self.ip = ip
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47 | 0ac84a9a | Dimitris Aragiorgis | self.mac = mac
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48 | 0ac84a9a | Dimitris Aragiorgis | self.domain = domain
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49 | f1b4fdfc | Dimitris Aragiorgis | self.os = os
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50 | 0ac84a9a | Dimitris Aragiorgis | |
51 | 0ac84a9a | Dimitris Aragiorgis | @property
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52 | 0ac84a9a | Dimitris Aragiorgis | def fqdn(self): |
53 | 0ac84a9a | Dimitris Aragiorgis | return self.hostname + "." + self.domain |
54 | 0ac84a9a | Dimitris Aragiorgis | |
55 | 0ac84a9a | Dimitris Aragiorgis | @property
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56 | 0ac84a9a | Dimitris Aragiorgis | def arecord(self): |
57 | 0ac84a9a | Dimitris Aragiorgis | return self.hostname + " IN A " + self.ip + "\n" |
58 | 0ac84a9a | Dimitris Aragiorgis | |
59 | 0ac84a9a | Dimitris Aragiorgis | @property
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60 | 0ac84a9a | Dimitris Aragiorgis | def ptrrecord(self): |
61 | 0ac84a9a | Dimitris Aragiorgis | return ".".join(raddr(self.ip)) + " IN PTR " + self.fqdn + ".\n" |
62 | 0ac84a9a | Dimitris Aragiorgis | |
63 | 0ac84a9a | Dimitris Aragiorgis | |
64 | 0ac84a9a | Dimitris Aragiorgis | class Alias(Host): |
65 | 0ac84a9a | Dimitris Aragiorgis | def __init__(self, host, alias): |
66 | 7d6fed3a | Dionysis Grigoropoulos | super(Alias, self).__init__(host.hostname, host.ip, host.mac, |
67 | f1b4fdfc | Dimitris Aragiorgis | host.domain, host.os) |
68 | 0ac84a9a | Dimitris Aragiorgis | self.alias = alias
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69 | 0ac84a9a | Dimitris Aragiorgis | |
70 | 0ac84a9a | Dimitris Aragiorgis | @property
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71 | 0ac84a9a | Dimitris Aragiorgis | def cnamerecord(self): |
72 | 7d6fed3a | Dionysis Grigoropoulos | return (self.alias + " IN CNAME " + self.hostname + "." + |
73 | 7d6fed3a | Dionysis Grigoropoulos | self.domain + ".\n") |
74 | 0ac84a9a | Dimitris Aragiorgis | |
75 | 0ac84a9a | Dimitris Aragiorgis | @property
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76 | 0ac84a9a | Dimitris Aragiorgis | def fqdn(self): |
77 | 0ac84a9a | Dimitris Aragiorgis | return self.alias + "." + self.domain |
78 | 0ac84a9a | Dimitris Aragiorgis | |
79 | 0ac84a9a | Dimitris Aragiorgis | |
80 | 0ac84a9a | Dimitris Aragiorgis | class Env(object): |
81 | 0ac84a9a | Dimitris Aragiorgis | |
82 | 24dc98e2 | Dimitris Aragiorgis | def update_packages(self, os): |
83 | 24dc98e2 | Dimitris Aragiorgis | for section in self.conf.files[os]: |
84 | ca1de37b | Ilias Tsitsimpis | self.evaluate(os, section)
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85 | 24dc98e2 | Dimitris Aragiorgis | |
86 | 0ac84a9a | Dimitris Aragiorgis | def evaluate(self, filename, section): |
87 | 0ac84a9a | Dimitris Aragiorgis | for k, v in self.conf.get_section(filename, section): |
88 | 0ac84a9a | Dimitris Aragiorgis | setattr(self, k, v) |
89 | 0ac84a9a | Dimitris Aragiorgis | |
90 | 0ac84a9a | Dimitris Aragiorgis | def __init__(self, conf): |
91 | 0ac84a9a | Dimitris Aragiorgis | self.conf = conf
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92 | 0ac84a9a | Dimitris Aragiorgis | for f, sections in conf.files.iteritems(): |
93 | 0ac84a9a | Dimitris Aragiorgis | for s in sections: |
94 | 0ac84a9a | Dimitris Aragiorgis | self.evaluate(f, s)
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95 | 0ac84a9a | Dimitris Aragiorgis | |
96 | 0ac84a9a | Dimitris Aragiorgis | self.node2hostname = dict(conf.get_section("nodes", "hostnames")) |
97 | 0ac84a9a | Dimitris Aragiorgis | self.node2ip = dict(conf.get_section("nodes", "ips")) |
98 | 0ac84a9a | Dimitris Aragiorgis | self.node2mac = dict(conf.get_section("nodes", "macs")) |
99 | f1b4fdfc | Dimitris Aragiorgis | self.node2os = dict(conf.get_section("nodes", "os")) |
100 | 7d6fed3a | Dionysis Grigoropoulos | self.hostnames = [self.node2hostname[n] |
101 | 7d6fed3a | Dionysis Grigoropoulos | for n in self.nodes.split(",")] |
102 | 7d6fed3a | Dionysis Grigoropoulos | |
103 | 7d6fed3a | Dionysis Grigoropoulos | self.ips = [self.node2ip[n] |
104 | 7d6fed3a | Dionysis Grigoropoulos | for n in self.nodes.split(",")] |
105 | 7d6fed3a | Dionysis Grigoropoulos | |
106 | 7d6fed3a | Dionysis Grigoropoulos | self.cluster_hostnames = [self.node2hostname[n] |
107 | 7d6fed3a | Dionysis Grigoropoulos | for n in self.cluster_nodes.split(",")] |
108 | 7d6fed3a | Dionysis Grigoropoulos | |
109 | 7d6fed3a | Dionysis Grigoropoulos | self.cluster_ips = [self.node2ip[n] |
110 | 7d6fed3a | Dionysis Grigoropoulos | for n in self.cluster_nodes.split(",")] |
111 | 0ac84a9a | Dimitris Aragiorgis | |
112 | 0ac84a9a | Dimitris Aragiorgis | self.net = ipaddr.IPNetwork(self.subnet) |
113 | 0ac84a9a | Dimitris Aragiorgis | |
114 | 0ac84a9a | Dimitris Aragiorgis | self.nodes_info = {}
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115 | 0ac84a9a | Dimitris Aragiorgis | self.hosts_info = {}
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116 | 0ac84a9a | Dimitris Aragiorgis | self.ips_info = {}
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117 | 0ac84a9a | Dimitris Aragiorgis | for node in self.nodes.split(","): |
118 | 7d6fed3a | Dionysis Grigoropoulos | host = Host(self.node2hostname[node],
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119 | 7d6fed3a | Dionysis Grigoropoulos | self.node2ip[node],
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120 | f1b4fdfc | Dimitris Aragiorgis | self.node2mac[node], self.domain, self.node2os[node]) |
121 | 0ac84a9a | Dimitris Aragiorgis | |
122 | 0ac84a9a | Dimitris Aragiorgis | self.nodes_info[node] = host
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123 | 0ac84a9a | Dimitris Aragiorgis | self.hosts_info[host.hostname] = host
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124 | 0ac84a9a | Dimitris Aragiorgis | self.ips_info[host.ip] = host
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125 | 0ac84a9a | Dimitris Aragiorgis | |
126 | 7d6fed3a | Dionysis Grigoropoulos | self.cluster = Host(self.cluster_name, self.cluster_ip, None, |
127 | 9f93a6fb | Dimitris Aragiorgis | self.domain, None) |
128 | 0ac84a9a | Dimitris Aragiorgis | self.master = self.nodes_info[self.master_node] |
129 | 0ac84a9a | Dimitris Aragiorgis | |
130 | 0ac84a9a | Dimitris Aragiorgis | self.roles = {}
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131 | 0ac84a9a | Dimitris Aragiorgis | for role, node in conf.get_section("synnefo", "roles"): |
132 | 0ac84a9a | Dimitris Aragiorgis | self.roles[role] = Alias(self.nodes_info[node], role) |
133 | 0ac84a9a | Dimitris Aragiorgis | setattr(self, role, self.roles[role]) |
134 | 0ac84a9a | Dimitris Aragiorgis | |
135 | 7d6fed3a | Dionysis Grigoropoulos | |
136 | 0ac84a9a | Dimitris Aragiorgis | class Conf(object): |
137 | 0ac84a9a | Dimitris Aragiorgis | |
138 | 0ac84a9a | Dimitris Aragiorgis | files = { |
139 | 7d6fed3a | Dionysis Grigoropoulos | "nodes": ["network", "info"], |
140 | bd9b6f21 | Christos Stavrakakis | "deploy": ["dirs", "packages", "keys", "options"], |
141 | 9f93a6fb | Dimitris Aragiorgis | "vcluster": ["cluster", "image", "network"], |
142 | 7d6fed3a | Dionysis Grigoropoulos | "synnefo": ["cred", "synnefo", "roles"], |
143 | 24dc98e2 | Dimitris Aragiorgis | "squeeze": ["debian", "ganeti", "synnefo", "other"], |
144 | 24dc98e2 | Dimitris Aragiorgis | "wheezy": ["debian", "ganeti", "synnefo", "other"], |
145 | 0ac84a9a | Dimitris Aragiorgis | } |
146 | 3bae85da | Dimitris Aragiorgis | confdir = "/etc/snf-deploy"
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147 | 0ac84a9a | Dimitris Aragiorgis | |
148 | 3bae85da | Dimitris Aragiorgis | def get_ganeti(self, cluster_name): |
149 | 0ac84a9a | Dimitris Aragiorgis | self.files["ganeti"] = [cluster_name] |
150 | 3bae85da | Dimitris Aragiorgis | |
151 | 3bae85da | Dimitris Aragiorgis | def __init__(self, args): |
152 | 3bae85da | Dimitris Aragiorgis | self.confdir = args.confdir
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153 | 3bae85da | Dimitris Aragiorgis | self.get_ganeti(args.cluster_name)
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154 | 0ac84a9a | Dimitris Aragiorgis | for f in self.files.keys(): |
155 | 0ac84a9a | Dimitris Aragiorgis | setattr(self, f, self.read_config(f)) |
156 | 3bae85da | Dimitris Aragiorgis | for f, sections in self.files.iteritems(): |
157 | 3bae85da | Dimitris Aragiorgis | for s in sections: |
158 | 3bae85da | Dimitris Aragiorgis | for k, v in self.get_section(f, s): |
159 | 3bae85da | Dimitris Aragiorgis | if getattr(args, k, None): |
160 | 3bae85da | Dimitris Aragiorgis | self.set(f, s, k, getattr(args, k)) |
161 | 3bae85da | Dimitris Aragiorgis | if args.autoconf:
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162 | 3bae85da | Dimitris Aragiorgis | self.autoconf()
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163 | 3bae85da | Dimitris Aragiorgis | |
164 | 3bae85da | Dimitris Aragiorgis | def autoconf(self): |
165 | 3bae85da | Dimitris Aragiorgis | #domain = get_domain()
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166 | 3bae85da | Dimitris Aragiorgis | #if domain:
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167 | 3bae85da | Dimitris Aragiorgis | # self.nodes.set("network", "domain", get_domain())
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168 | 3bae85da | Dimitris Aragiorgis | # self.nodes.set("network", "subnet", "/".join(get_netinfo()))
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169 | 3bae85da | Dimitris Aragiorgis | # self.nodes.set("network", "gateway", get_default_route()[0])
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170 | 3bae85da | Dimitris Aragiorgis | self.nodes.set("hostnames", "node1", get_hostname()) |
171 | 3bae85da | Dimitris Aragiorgis | self.nodes.set("ips", "node1", get_netinfo()[0]) |
172 | 3bae85da | Dimitris Aragiorgis | self.nodes.set("info", "nodes", "node1") |
173 | 3bae85da | Dimitris Aragiorgis | self.nodes.set("info", "public_iface", get_default_route()[1]) |
174 | 0ac84a9a | Dimitris Aragiorgis | |
175 | 0ac84a9a | Dimitris Aragiorgis | def read_config(self, f): |
176 | 0ac84a9a | Dimitris Aragiorgis | config = ConfigParser.ConfigParser() |
177 | 0ac84a9a | Dimitris Aragiorgis | config.optionxform = str
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178 | 0ac84a9a | Dimitris Aragiorgis | filename = os.path.join(self.confdir, f) + ".conf" |
179 | 0ac84a9a | Dimitris Aragiorgis | config.read(filename) |
180 | 0ac84a9a | Dimitris Aragiorgis | return config
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181 | 0ac84a9a | Dimitris Aragiorgis | |
182 | 0ac84a9a | Dimitris Aragiorgis | def set(self, conf, section, option, value): |
183 | 0ac84a9a | Dimitris Aragiorgis | c = getattr(self, conf) |
184 | 0ac84a9a | Dimitris Aragiorgis | c.set(section, option, value) |
185 | 0ac84a9a | Dimitris Aragiorgis | |
186 | 0ac84a9a | Dimitris Aragiorgis | def get(self, conf, section, option): |
187 | 0ac84a9a | Dimitris Aragiorgis | c = getattr(self, conf) |
188 | 0ac84a9a | Dimitris Aragiorgis | return c.get(section, option, True) |
189 | 0ac84a9a | Dimitris Aragiorgis | |
190 | 0ac84a9a | Dimitris Aragiorgis | def get_section(self, conf, section): |
191 | 0ac84a9a | Dimitris Aragiorgis | c = getattr(self, conf) |
192 | 0ac84a9a | Dimitris Aragiorgis | return c.items(section, True) |
193 | 0ac84a9a | Dimitris Aragiorgis | |
194 | 0ac84a9a | Dimitris Aragiorgis | def print_config(self): |
195 | 0ac84a9a | Dimitris Aragiorgis | for f in self.files.keys(): |
196 | 0ac84a9a | Dimitris Aragiorgis | getattr(self, f).write(sys.stdout) |
197 | 0ac84a9a | Dimitris Aragiorgis | |
198 | 24dc98e2 | Dimitris Aragiorgis | |
199 | 0ac84a9a | Dimitris Aragiorgis | def debug(host, msg): |
200 | 0ac84a9a | Dimitris Aragiorgis | |
201 | 1bc6d467 | Dionysis Grigoropoulos | print HEADER + host + \
|
202 | 7d6fed3a | Dionysis Grigoropoulos | OKBLUE + ": " + msg + ENDC
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203 | 0ac84a9a | Dimitris Aragiorgis | |
204 | 0ac84a9a | Dimitris Aragiorgis | |
205 | 0ac84a9a | Dimitris Aragiorgis | def check_pidfile(pidfile): |
206 | 0ac84a9a | Dimitris Aragiorgis | print("Checking pidfile " + pidfile)
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207 | 0ac84a9a | Dimitris Aragiorgis | try:
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208 | 0ac84a9a | Dimitris Aragiorgis | f = open(pidfile, "r") |
209 | 0ac84a9a | Dimitris Aragiorgis | pid = f.readline() |
210 | 0ac84a9a | Dimitris Aragiorgis | os.kill(int(pid), signal.SIGKILL)
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211 | 0ac84a9a | Dimitris Aragiorgis | f.close() |
212 | 0ac84a9a | Dimitris Aragiorgis | os.remove(pidfile) |
213 | 0ac84a9a | Dimitris Aragiorgis | time.sleep(5)
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214 | 0ac84a9a | Dimitris Aragiorgis | except:
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215 | 0ac84a9a | Dimitris Aragiorgis | pass
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216 | 0ac84a9a | Dimitris Aragiorgis | |
217 | 0ac84a9a | Dimitris Aragiorgis | |
218 | ca1de37b | Ilias Tsitsimpis | def random_mac(): |
219 | 7d6fed3a | Dionysis Grigoropoulos | mac = [0x52, 0x54, 0x56, |
220 | 7d6fed3a | Dionysis Grigoropoulos | random.randint(0x00, 0xff), |
221 | 7d6fed3a | Dionysis Grigoropoulos | random.randint(0x00, 0xff), |
222 | 7d6fed3a | Dionysis Grigoropoulos | random.randint(0x00, 0xff)] |
223 | 0ac84a9a | Dimitris Aragiorgis | return ':'.join(map(lambda x: "%02x" % x, mac)) |
224 | 0ac84a9a | Dimitris Aragiorgis | |
225 | 0ac84a9a | Dimitris Aragiorgis | |
226 | 0ac84a9a | Dimitris Aragiorgis | def create_dir(d, clean=False): |
227 | 0ac84a9a | Dimitris Aragiorgis | os.system("mkdir -p " + d)
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228 | 0ac84a9a | Dimitris Aragiorgis | if clean:
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229 | 0ac84a9a | Dimitris Aragiorgis | try:
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230 | 0ac84a9a | Dimitris Aragiorgis | os.system("rm -f %s/*" % d)
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231 | 0ac84a9a | Dimitris Aragiorgis | except:
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232 | 0ac84a9a | Dimitris Aragiorgis | pass
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233 | 0ac84a9a | Dimitris Aragiorgis | |
234 | 0ac84a9a | Dimitris Aragiorgis | |
235 | 0ac84a9a | Dimitris Aragiorgis | def get_netinfo(): |
236 | 0ac84a9a | Dimitris Aragiorgis | _, pdev = get_default_route() |
237 | 0ac84a9a | Dimitris Aragiorgis | r = re.compile(".*inet (\S+)/(\S+).*")
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238 | 7d6fed3a | Dionysis Grigoropoulos | s = subprocess.Popen(['ip', 'addr', 'show', 'dev', pdev], |
239 | 7d6fed3a | Dionysis Grigoropoulos | stdout=subprocess.PIPE) |
240 | 7d6fed3a | Dionysis Grigoropoulos | |
241 | 0ac84a9a | Dimitris Aragiorgis | for line in s.stdout.readlines(): |
242 | 0ac84a9a | Dimitris Aragiorgis | match = r.search(line) |
243 | 0ac84a9a | Dimitris Aragiorgis | if match:
|
244 | 0ac84a9a | Dimitris Aragiorgis | ip, size = match.groups() |
245 | 0ac84a9a | Dimitris Aragiorgis | break
|
246 | 0ac84a9a | Dimitris Aragiorgis | |
247 | 0ac84a9a | Dimitris Aragiorgis | return ip, size
|
248 | 0ac84a9a | Dimitris Aragiorgis | |
249 | 0ac84a9a | Dimitris Aragiorgis | |
250 | 0ac84a9a | Dimitris Aragiorgis | def get_hostname(): |
251 | 0ac84a9a | Dimitris Aragiorgis | s = subprocess.Popen(['hostname', '-s'], stdout=subprocess.PIPE) |
252 | 0ac84a9a | Dimitris Aragiorgis | return s.stdout.readline().strip()
|
253 | 0ac84a9a | Dimitris Aragiorgis | |
254 | 0ac84a9a | Dimitris Aragiorgis | |
255 | 0ac84a9a | Dimitris Aragiorgis | def get_domain(): |
256 | 0ac84a9a | Dimitris Aragiorgis | s = subprocess.Popen(['hostname', '-d'], stdout=subprocess.PIPE) |
257 | 0ac84a9a | Dimitris Aragiorgis | return s.stdout.readline().strip()
|
258 | 0ac84a9a | Dimitris Aragiorgis | |
259 | 0ac84a9a | Dimitris Aragiorgis | |
260 | 0ac84a9a | Dimitris Aragiorgis | def get_default_route(): |
261 | 0ac84a9a | Dimitris Aragiorgis | r = re.compile("default via (\S+) dev (\S+)")
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262 | 0ac84a9a | Dimitris Aragiorgis | s = subprocess.Popen(['ip', 'route'], stdout=subprocess.PIPE) |
263 | 0ac84a9a | Dimitris Aragiorgis | for line in s.stdout.readlines(): |
264 | 0ac84a9a | Dimitris Aragiorgis | match = r.search(line) |
265 | 0ac84a9a | Dimitris Aragiorgis | if match:
|
266 | 0ac84a9a | Dimitris Aragiorgis | gw, dev = match.groups() |
267 | 0ac84a9a | Dimitris Aragiorgis | break
|
268 | 0ac84a9a | Dimitris Aragiorgis | |
269 | 0ac84a9a | Dimitris Aragiorgis | return (gw, dev)
|
270 | 0ac84a9a | Dimitris Aragiorgis | |
271 | 0ac84a9a | Dimitris Aragiorgis | |
272 | 0ac84a9a | Dimitris Aragiorgis | def import_conf_file(filename, directory): |
273 | 0ac84a9a | Dimitris Aragiorgis | return imp.load_module(filename, *imp.find_module(filename, [directory]))
|
274 | 0ac84a9a | Dimitris Aragiorgis | |
275 | 0ac84a9a | Dimitris Aragiorgis | |
276 | 0ac84a9a | Dimitris Aragiorgis | def raddr(addr): |
277 | 7d6fed3a | Dionysis Grigoropoulos | return list(reversed(addr.replace("/", "-").split("."))) |