root / snf-deploy / snfdeploy / lib.py @ 7aa13555
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1 | ad76b118 | Dimitris Aragiorgis | #!/usr/bin/python
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2 | ad76b118 | Dimitris Aragiorgis | |
3 | ad76b118 | Dimitris Aragiorgis | import json |
4 | ad76b118 | Dimitris Aragiorgis | import time |
5 | ad76b118 | Dimitris Aragiorgis | import ipaddr |
6 | ad76b118 | Dimitris Aragiorgis | import os |
7 | ad76b118 | Dimitris Aragiorgis | import signal |
8 | ad76b118 | Dimitris Aragiorgis | import ConfigParser |
9 | ad76b118 | Dimitris Aragiorgis | import sys |
10 | ad76b118 | Dimitris Aragiorgis | import re |
11 | ad76b118 | Dimitris Aragiorgis | import random |
12 | ad76b118 | Dimitris Aragiorgis | import subprocess |
13 | ad76b118 | Dimitris Aragiorgis | import shutil |
14 | ad76b118 | Dimitris Aragiorgis | import imp |
15 | ad76b118 | Dimitris Aragiorgis | import tempfile |
16 | ad76b118 | Dimitris Aragiorgis | from snfdeploy import massedit |
17 | ad76b118 | Dimitris Aragiorgis | |
18 | ad76b118 | Dimitris Aragiorgis | |
19 | b7c00e75 | Dionysis Grigoropoulos | HEADER = '\033[95m'
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20 | b7c00e75 | Dionysis Grigoropoulos | OKBLUE = '\033[94m'
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21 | b7c00e75 | Dionysis Grigoropoulos | OKGREEN = '\033[92m'
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22 | b7c00e75 | Dionysis Grigoropoulos | WARNING = '\033[93m'
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23 | b7c00e75 | Dionysis Grigoropoulos | FAIL = '\033[91m'
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24 | b7c00e75 | Dionysis Grigoropoulos | ENDC = '\033[0m'
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25 | b7c00e75 | Dionysis Grigoropoulos | |
26 | b7c00e75 | Dionysis Grigoropoulos | |
27 | b7c00e75 | Dionysis Grigoropoulos | def disable_color(): |
28 | 248ae1d1 | Erethon | global HEADER
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29 | 248ae1d1 | Erethon | global OKBLUE
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30 | 248ae1d1 | Erethon | global OKGREEN
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31 | 248ae1d1 | Erethon | global WARNING
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32 | 248ae1d1 | Erethon | global FAIL
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33 | 248ae1d1 | Erethon | global ENDC
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34 | 248ae1d1 | Erethon | |
35 | b7c00e75 | Dionysis Grigoropoulos | HEADER = ''
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36 | b7c00e75 | Dionysis Grigoropoulos | OKBLUE = ''
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37 | b7c00e75 | Dionysis Grigoropoulos | OKGREEN = ''
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38 | b7c00e75 | Dionysis Grigoropoulos | WARNING = ''
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39 | b7c00e75 | Dionysis Grigoropoulos | FAIL = ''
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40 | b7c00e75 | Dionysis Grigoropoulos | ENDC = ''
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41 | b7c00e75 | Dionysis Grigoropoulos | |
42 | b7c00e75 | Dionysis Grigoropoulos | |
43 | b7c00e75 | Dionysis Grigoropoulos | if not sys.stdout.isatty(): |
44 | b7c00e75 | Dionysis Grigoropoulos | disable_color() |
45 | ad76b118 | Dimitris Aragiorgis | |
46 | 4c09a54a | Dionysis Grigoropoulos | |
47 | ad76b118 | Dimitris Aragiorgis | class Host(object): |
48 | f9b1abe8 | Dimitris Aragiorgis | def __init__(self, hostname, ip, mac, domain, os): |
49 | ad76b118 | Dimitris Aragiorgis | self.hostname = hostname
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50 | ad76b118 | Dimitris Aragiorgis | self.ip = ip
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51 | ad76b118 | Dimitris Aragiorgis | self.mac = mac
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52 | ad76b118 | Dimitris Aragiorgis | self.domain = domain
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53 | f9b1abe8 | Dimitris Aragiorgis | self.os = os
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54 | ad76b118 | Dimitris Aragiorgis | |
55 | ad76b118 | Dimitris Aragiorgis | @property
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56 | ad76b118 | Dimitris Aragiorgis | def fqdn(self): |
57 | ad76b118 | Dimitris Aragiorgis | return self.hostname + "." + self.domain |
58 | ad76b118 | Dimitris Aragiorgis | |
59 | ad76b118 | Dimitris Aragiorgis | @property
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60 | ad76b118 | Dimitris Aragiorgis | def arecord(self): |
61 | ad76b118 | Dimitris Aragiorgis | return self.hostname + " IN A " + self.ip + "\n" |
62 | ad76b118 | Dimitris Aragiorgis | |
63 | ad76b118 | Dimitris Aragiorgis | @property
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64 | ad76b118 | Dimitris Aragiorgis | def ptrrecord(self): |
65 | ad76b118 | Dimitris Aragiorgis | return ".".join(raddr(self.ip)) + " IN PTR " + self.fqdn + ".\n" |
66 | ad76b118 | Dimitris Aragiorgis | |
67 | ad76b118 | Dimitris Aragiorgis | |
68 | ad76b118 | Dimitris Aragiorgis | class Alias(Host): |
69 | ad76b118 | Dimitris Aragiorgis | def __init__(self, host, alias): |
70 | 4c09a54a | Dionysis Grigoropoulos | super(Alias, self).__init__(host.hostname, host.ip, host.mac, |
71 | f9b1abe8 | Dimitris Aragiorgis | host.domain, host.os) |
72 | ad76b118 | Dimitris Aragiorgis | self.alias = alias
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73 | ad76b118 | Dimitris Aragiorgis | |
74 | ad76b118 | Dimitris Aragiorgis | @property
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75 | ad76b118 | Dimitris Aragiorgis | def cnamerecord(self): |
76 | 4c09a54a | Dionysis Grigoropoulos | return (self.alias + " IN CNAME " + self.hostname + "." + |
77 | 4c09a54a | Dionysis Grigoropoulos | self.domain + ".\n") |
78 | ad76b118 | Dimitris Aragiorgis | |
79 | ad76b118 | Dimitris Aragiorgis | @property
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80 | ad76b118 | Dimitris Aragiorgis | def fqdn(self): |
81 | ad76b118 | Dimitris Aragiorgis | return self.alias + "." + self.domain |
82 | ad76b118 | Dimitris Aragiorgis | |
83 | ad76b118 | Dimitris Aragiorgis | |
84 | ad76b118 | Dimitris Aragiorgis | class Env(object): |
85 | ad76b118 | Dimitris Aragiorgis | |
86 | e083e94c | Dimitris Aragiorgis | def update_packages(self, os): |
87 | e083e94c | Dimitris Aragiorgis | for section in self.conf.files[os]: |
88 | e083e94c | Dimitris Aragiorgis | self.evaluate(os, section)
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89 | e083e94c | Dimitris Aragiorgis | |
90 | ad76b118 | Dimitris Aragiorgis | def evaluate(self, filename, section): |
91 | ad76b118 | Dimitris Aragiorgis | for k, v in self.conf.get_section(filename, section): |
92 | ad76b118 | Dimitris Aragiorgis | setattr(self, k, v) |
93 | ad76b118 | Dimitris Aragiorgis | |
94 | ad76b118 | Dimitris Aragiorgis | def __init__(self, conf): |
95 | ad76b118 | Dimitris Aragiorgis | self.conf = conf
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96 | ad76b118 | Dimitris Aragiorgis | for f, sections in conf.files.iteritems(): |
97 | ad76b118 | Dimitris Aragiorgis | for s in sections: |
98 | ad76b118 | Dimitris Aragiorgis | self.evaluate(f, s)
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99 | ad76b118 | Dimitris Aragiorgis | |
100 | ad76b118 | Dimitris Aragiorgis | self.node2hostname = dict(conf.get_section("nodes", "hostnames")) |
101 | ad76b118 | Dimitris Aragiorgis | self.node2ip = dict(conf.get_section("nodes", "ips")) |
102 | ad76b118 | Dimitris Aragiorgis | self.node2mac = dict(conf.get_section("nodes", "macs")) |
103 | f9b1abe8 | Dimitris Aragiorgis | self.node2os = dict(conf.get_section("nodes", "os")) |
104 | 4c09a54a | Dionysis Grigoropoulos | self.hostnames = [self.node2hostname[n] |
105 | 4c09a54a | Dionysis Grigoropoulos | for n in self.nodes.split(",")] |
106 | 4c09a54a | Dionysis Grigoropoulos | |
107 | 4c09a54a | Dionysis Grigoropoulos | self.ips = [self.node2ip[n] |
108 | 4c09a54a | Dionysis Grigoropoulos | for n in self.nodes.split(",")] |
109 | 4c09a54a | Dionysis Grigoropoulos | |
110 | 4c09a54a | Dionysis Grigoropoulos | self.cluster_hostnames = [self.node2hostname[n] |
111 | 4c09a54a | Dionysis Grigoropoulos | for n in self.cluster_nodes.split(",")] |
112 | 4c09a54a | Dionysis Grigoropoulos | |
113 | 4c09a54a | Dionysis Grigoropoulos | self.cluster_ips = [self.node2ip[n] |
114 | 4c09a54a | Dionysis Grigoropoulos | for n in self.cluster_nodes.split(",")] |
115 | ad76b118 | Dimitris Aragiorgis | |
116 | ad76b118 | Dimitris Aragiorgis | self.net = ipaddr.IPNetwork(self.subnet) |
117 | ad76b118 | Dimitris Aragiorgis | |
118 | ad76b118 | Dimitris Aragiorgis | self.nodes_info = {}
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119 | ad76b118 | Dimitris Aragiorgis | self.hosts_info = {}
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120 | ad76b118 | Dimitris Aragiorgis | self.ips_info = {}
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121 | ad76b118 | Dimitris Aragiorgis | for node in self.nodes.split(","): |
122 | 4c09a54a | Dionysis Grigoropoulos | host = Host(self.node2hostname[node],
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123 | 4c09a54a | Dionysis Grigoropoulos | self.node2ip[node],
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124 | f9b1abe8 | Dimitris Aragiorgis | self.node2mac[node], self.domain, self.node2os[node]) |
125 | ad76b118 | Dimitris Aragiorgis | |
126 | ad76b118 | Dimitris Aragiorgis | self.nodes_info[node] = host
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127 | ad76b118 | Dimitris Aragiorgis | self.hosts_info[host.hostname] = host
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128 | ad76b118 | Dimitris Aragiorgis | self.ips_info[host.ip] = host
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129 | ad76b118 | Dimitris Aragiorgis | |
130 | 4c09a54a | Dionysis Grigoropoulos | self.cluster = Host(self.cluster_name, self.cluster_ip, None, |
131 | 4baa4696 | Dimitris Aragiorgis | self.domain, None) |
132 | ad76b118 | Dimitris Aragiorgis | self.master = self.nodes_info[self.master_node] |
133 | ad76b118 | Dimitris Aragiorgis | |
134 | ad76b118 | Dimitris Aragiorgis | self.roles = {}
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135 | ad76b118 | Dimitris Aragiorgis | for role, node in conf.get_section("synnefo", "roles"): |
136 | ad76b118 | Dimitris Aragiorgis | self.roles[role] = Alias(self.nodes_info[node], role) |
137 | ad76b118 | Dimitris Aragiorgis | setattr(self, role, self.roles[role]) |
138 | ad76b118 | Dimitris Aragiorgis | |
139 | 4c09a54a | Dionysis Grigoropoulos | |
140 | ad76b118 | Dimitris Aragiorgis | class Conf(object): |
141 | ad76b118 | Dimitris Aragiorgis | |
142 | ad76b118 | Dimitris Aragiorgis | files = { |
143 | 4c09a54a | Dionysis Grigoropoulos | "nodes": ["network", "info"], |
144 | 8ed8742f | Christos Stavrakakis | "deploy": ["dirs", "packages", "keys", "options"], |
145 | 4baa4696 | Dimitris Aragiorgis | "vcluster": ["cluster", "image", "network"], |
146 | 4c09a54a | Dionysis Grigoropoulos | "synnefo": ["cred", "synnefo", "roles"], |
147 | 4c09a54a | Dionysis Grigoropoulos | "packages": ["debian", "ganeti", "synnefo", "other"], |
148 | e083e94c | Dimitris Aragiorgis | "squeeze": ["debian", "ganeti", "synnefo", "other"], |
149 | e083e94c | Dimitris Aragiorgis | "wheezy": ["debian", "ganeti", "synnefo", "other"], |
150 | 4c09a54a | Dionysis Grigoropoulos | "ganeti": [],
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151 | ad76b118 | Dimitris Aragiorgis | } |
152 | ad76b118 | Dimitris Aragiorgis | |
153 | ad76b118 | Dimitris Aragiorgis | def __init__(self, confdir, cluster_name): |
154 | ad76b118 | Dimitris Aragiorgis | self.confdir = confdir
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155 | ad76b118 | Dimitris Aragiorgis | self.files["ganeti"] = [cluster_name] |
156 | ad76b118 | Dimitris Aragiorgis | for f in self.files.keys(): |
157 | ad76b118 | Dimitris Aragiorgis | setattr(self, f, self.read_config(f)) |
158 | ad76b118 | Dimitris Aragiorgis | |
159 | ad76b118 | Dimitris Aragiorgis | def read_config(self, f): |
160 | ad76b118 | Dimitris Aragiorgis | config = ConfigParser.ConfigParser() |
161 | ad76b118 | Dimitris Aragiorgis | config.optionxform = str
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162 | ad76b118 | Dimitris Aragiorgis | filename = os.path.join(self.confdir, f) + ".conf" |
163 | ad76b118 | Dimitris Aragiorgis | config.read(filename) |
164 | ad76b118 | Dimitris Aragiorgis | return config
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165 | ad76b118 | Dimitris Aragiorgis | |
166 | ad76b118 | Dimitris Aragiorgis | def set(self, conf, section, option, value): |
167 | ad76b118 | Dimitris Aragiorgis | c = getattr(self, conf) |
168 | ad76b118 | Dimitris Aragiorgis | c.set(section, option, value) |
169 | ad76b118 | Dimitris Aragiorgis | |
170 | ad76b118 | Dimitris Aragiorgis | def get(self, conf, section, option): |
171 | ad76b118 | Dimitris Aragiorgis | c = getattr(self, conf) |
172 | ad76b118 | Dimitris Aragiorgis | return c.get(section, option, True) |
173 | ad76b118 | Dimitris Aragiorgis | |
174 | ad76b118 | Dimitris Aragiorgis | def get_section(self, conf, section): |
175 | ad76b118 | Dimitris Aragiorgis | c = getattr(self, conf) |
176 | ad76b118 | Dimitris Aragiorgis | return c.items(section, True) |
177 | ad76b118 | Dimitris Aragiorgis | |
178 | ad76b118 | Dimitris Aragiorgis | def print_config(self): |
179 | ad76b118 | Dimitris Aragiorgis | for f in self.files.keys(): |
180 | ad76b118 | Dimitris Aragiorgis | getattr(self, f).write(sys.stdout) |
181 | ad76b118 | Dimitris Aragiorgis | |
182 | ad76b118 | Dimitris Aragiorgis | def _configure(self, args): |
183 | ad76b118 | Dimitris Aragiorgis | for f, sections in self.files.iteritems(): |
184 | ad76b118 | Dimitris Aragiorgis | for s in sections: |
185 | ad76b118 | Dimitris Aragiorgis | for k, v in self.get_section(f, s): |
186 | ad76b118 | Dimitris Aragiorgis | if getattr(args, k, None): |
187 | ad76b118 | Dimitris Aragiorgis | self.set(f, s, k, getattr(args, k)) |
188 | ad76b118 | Dimitris Aragiorgis | |
189 | ad76b118 | Dimitris Aragiorgis | @classmethod
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190 | ad76b118 | Dimitris Aragiorgis | def configure(cls, confdir="/etc/snf-deploy", |
191 | ad76b118 | Dimitris Aragiorgis | cluster_name="ganeti1", args=None, autoconf=False): |
192 | ad76b118 | Dimitris Aragiorgis | |
193 | ad76b118 | Dimitris Aragiorgis | conf = cls(confdir, cluster_name) |
194 | ad76b118 | Dimitris Aragiorgis | if args:
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195 | ad76b118 | Dimitris Aragiorgis | conf._configure(args) |
196 | ad76b118 | Dimitris Aragiorgis | if autoconf:
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197 | ad76b118 | Dimitris Aragiorgis | conf.autoconf() |
198 | ad76b118 | Dimitris Aragiorgis | |
199 | ad76b118 | Dimitris Aragiorgis | return conf
|
200 | ad76b118 | Dimitris Aragiorgis | |
201 | ad76b118 | Dimitris Aragiorgis | def autoconf(self): |
202 | ad76b118 | Dimitris Aragiorgis | #domain = get_domain()
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203 | ad76b118 | Dimitris Aragiorgis | #if domain:
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204 | ad76b118 | Dimitris Aragiorgis | # self.nodes.set("network", "domain", get_domain())
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205 | 4baa4696 | Dimitris Aragiorgis | # self.nodes.set("network", "subnet", "/".join(get_netinfo()))
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206 | 4baa4696 | Dimitris Aragiorgis | # self.nodes.set("network", "gateway", get_default_route()[0])
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207 | ad76b118 | Dimitris Aragiorgis | self.nodes.set("hostnames", "node1", get_hostname()) |
208 | ad76b118 | Dimitris Aragiorgis | self.nodes.set("ips", "node1", get_netinfo()[0]) |
209 | ad76b118 | Dimitris Aragiorgis | self.nodes.set("info", "nodes", "node1") |
210 | ad76b118 | Dimitris Aragiorgis | self.nodes.set("info", "public_iface", get_default_route()[1]) |
211 | ad76b118 | Dimitris Aragiorgis | |
212 | ad76b118 | Dimitris Aragiorgis | |
213 | e083e94c | Dimitris Aragiorgis | |
214 | ad76b118 | Dimitris Aragiorgis | def debug(host, msg): |
215 | ad76b118 | Dimitris Aragiorgis | |
216 | b7c00e75 | Dionysis Grigoropoulos | print HEADER + host + \
|
217 | 4c09a54a | Dionysis Grigoropoulos | OKBLUE + ": " + msg + ENDC
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218 | ad76b118 | Dimitris Aragiorgis | |
219 | ad76b118 | Dimitris Aragiorgis | |
220 | ad76b118 | Dimitris Aragiorgis | def check_pidfile(pidfile): |
221 | ad76b118 | Dimitris Aragiorgis | print("Checking pidfile " + pidfile)
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222 | ad76b118 | Dimitris Aragiorgis | try:
|
223 | ad76b118 | Dimitris Aragiorgis | f = open(pidfile, "r") |
224 | ad76b118 | Dimitris Aragiorgis | pid = f.readline() |
225 | ad76b118 | Dimitris Aragiorgis | os.kill(int(pid), signal.SIGKILL)
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226 | ad76b118 | Dimitris Aragiorgis | f.close() |
227 | ad76b118 | Dimitris Aragiorgis | os.remove(pidfile) |
228 | ad76b118 | Dimitris Aragiorgis | time.sleep(5)
|
229 | ad76b118 | Dimitris Aragiorgis | except:
|
230 | ad76b118 | Dimitris Aragiorgis | pass
|
231 | ad76b118 | Dimitris Aragiorgis | |
232 | ad76b118 | Dimitris Aragiorgis | |
233 | ad76b118 | Dimitris Aragiorgis | def randomMAC(): |
234 | 4c09a54a | Dionysis Grigoropoulos | mac = [0x52, 0x54, 0x56, |
235 | 4c09a54a | Dionysis Grigoropoulos | random.randint(0x00, 0xff), |
236 | 4c09a54a | Dionysis Grigoropoulos | random.randint(0x00, 0xff), |
237 | 4c09a54a | Dionysis Grigoropoulos | random.randint(0x00, 0xff)] |
238 | ad76b118 | Dimitris Aragiorgis | return ':'.join(map(lambda x: "%02x" % x, mac)) |
239 | ad76b118 | Dimitris Aragiorgis | |
240 | ad76b118 | Dimitris Aragiorgis | |
241 | ad76b118 | Dimitris Aragiorgis | def create_dir(d, clean=False): |
242 | ad76b118 | Dimitris Aragiorgis | os.system("mkdir -p " + d)
|
243 | ad76b118 | Dimitris Aragiorgis | if clean:
|
244 | ad76b118 | Dimitris Aragiorgis | try:
|
245 | ad76b118 | Dimitris Aragiorgis | os.system("rm -f %s/*" % d)
|
246 | ad76b118 | Dimitris Aragiorgis | except:
|
247 | ad76b118 | Dimitris Aragiorgis | pass
|
248 | ad76b118 | Dimitris Aragiorgis | |
249 | ad76b118 | Dimitris Aragiorgis | |
250 | ad76b118 | Dimitris Aragiorgis | def get_netinfo(): |
251 | ad76b118 | Dimitris Aragiorgis | _, pdev = get_default_route() |
252 | ad76b118 | Dimitris Aragiorgis | r = re.compile(".*inet (\S+)/(\S+).*")
|
253 | 4c09a54a | Dionysis Grigoropoulos | s = subprocess.Popen(['ip', 'addr', 'show', 'dev', pdev], |
254 | 4c09a54a | Dionysis Grigoropoulos | stdout=subprocess.PIPE) |
255 | 4c09a54a | Dionysis Grigoropoulos | |
256 | ad76b118 | Dimitris Aragiorgis | for line in s.stdout.readlines(): |
257 | ad76b118 | Dimitris Aragiorgis | match = r.search(line) |
258 | ad76b118 | Dimitris Aragiorgis | if match:
|
259 | ad76b118 | Dimitris Aragiorgis | ip, size = match.groups() |
260 | ad76b118 | Dimitris Aragiorgis | break
|
261 | ad76b118 | Dimitris Aragiorgis | |
262 | ad76b118 | Dimitris Aragiorgis | return ip, size
|
263 | ad76b118 | Dimitris Aragiorgis | |
264 | ad76b118 | Dimitris Aragiorgis | |
265 | ad76b118 | Dimitris Aragiorgis | def get_hostname(): |
266 | ad76b118 | Dimitris Aragiorgis | s = subprocess.Popen(['hostname', '-s'], stdout=subprocess.PIPE) |
267 | ad76b118 | Dimitris Aragiorgis | return s.stdout.readline().strip()
|
268 | ad76b118 | Dimitris Aragiorgis | |
269 | ad76b118 | Dimitris Aragiorgis | |
270 | ad76b118 | Dimitris Aragiorgis | def get_domain(): |
271 | ad76b118 | Dimitris Aragiorgis | s = subprocess.Popen(['hostname', '-d'], stdout=subprocess.PIPE) |
272 | ad76b118 | Dimitris Aragiorgis | return s.stdout.readline().strip()
|
273 | ad76b118 | Dimitris Aragiorgis | |
274 | ad76b118 | Dimitris Aragiorgis | |
275 | ad76b118 | Dimitris Aragiorgis | def get_default_route(): |
276 | ad76b118 | Dimitris Aragiorgis | r = re.compile("default via (\S+) dev (\S+)")
|
277 | ad76b118 | Dimitris Aragiorgis | s = subprocess.Popen(['ip', 'route'], stdout=subprocess.PIPE) |
278 | ad76b118 | Dimitris Aragiorgis | for line in s.stdout.readlines(): |
279 | ad76b118 | Dimitris Aragiorgis | match = r.search(line) |
280 | ad76b118 | Dimitris Aragiorgis | if match:
|
281 | ad76b118 | Dimitris Aragiorgis | gw, dev = match.groups() |
282 | ad76b118 | Dimitris Aragiorgis | break
|
283 | ad76b118 | Dimitris Aragiorgis | |
284 | ad76b118 | Dimitris Aragiorgis | return (gw, dev)
|
285 | ad76b118 | Dimitris Aragiorgis | |
286 | ad76b118 | Dimitris Aragiorgis | |
287 | ad76b118 | Dimitris Aragiorgis | def import_conf_file(filename, directory): |
288 | ad76b118 | Dimitris Aragiorgis | return imp.load_module(filename, *imp.find_module(filename, [directory]))
|
289 | ad76b118 | Dimitris Aragiorgis | |
290 | ad76b118 | Dimitris Aragiorgis | |
291 | ad76b118 | Dimitris Aragiorgis | def raddr(addr): |
292 | 4c09a54a | Dionysis Grigoropoulos | return list(reversed(addr.replace("/", "-").split("."))) |