1 |
+ |
/* |
2 |
+ |
* i-scream central monitoring system |
3 |
+ |
* Copyright (C) 2000-2002 i-scream |
4 |
+ |
* |
5 |
+ |
* This program is free software; you can redistribute it and/or |
6 |
+ |
* modify it under the terms of the GNU General Public License |
7 |
+ |
* as published by the Free Software Foundation; either version 2 |
8 |
+ |
* of the License, or (at your option) any later version. |
9 |
+ |
* |
10 |
+ |
* This program is distributed in the hope that it will be useful, |
11 |
+ |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 |
+ |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 |
+ |
* GNU General Public License for more details. |
14 |
+ |
* |
15 |
+ |
* You should have received a copy of the GNU General Public License |
16 |
+ |
* along with this program; if not, write to the Free Software |
17 |
+ |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
18 |
+ |
*/ |
19 |
+ |
|
20 |
|
//---PACKAGE DECLARATION--- |
21 |
< |
package uk.ac.ukc.iscream.core; |
21 |
> |
package uk.org.iscream.cms.server.core; |
22 |
|
|
23 |
|
//---IMPORTS--- |
24 |
< |
import uk.ac.ukc.iscream.util.*; |
25 |
< |
import uk.ac.ukc.iscream.componentmanager.*; |
24 |
> |
import uk.org.iscream.cms.server.util.*; |
25 |
> |
import uk.org.iscream.cms.server.componentmanager.*; |
26 |
> |
import java.net.InetAddress; |
27 |
> |
import java.net.UnknownHostException; |
28 |
|
import java.util.*; |
29 |
|
import java.io.*; |
30 |
|
|
39 |
|
* |
40 |
|
* It also relies on the System.properties to set internal values. |
41 |
|
* |
21 |
– |
* ### |
22 |
– |
* A point to note is that this class does NOT yet manage |
23 |
– |
* created configurations which may cause memory problems! |
24 |
– |
* ### |
25 |
– |
* |
42 |
|
* @author $Author$ |
43 |
|
* @version $Id$ |
44 |
|
*/ |
61 |
|
*/ |
62 |
|
ConfigurationManagerServant() { |
63 |
|
// assign some local variables |
64 |
< |
_configPath = System.getProperty("uk.ac.ukc.iscream.ConfigurationLocation"); |
65 |
< |
_systemConfigFile = System.getProperty("uk.ac.ukc.iscream.SystemConfigurationFile"); |
64 |
> |
_configPath = System.getProperty("uk.org.iscream.cms.server.ConfigurationLocation"); |
65 |
> |
_systemConfigFile = System.getProperty("uk.org.iscream.cms.server.SystemConfigurationFile"); |
66 |
|
|
67 |
|
// load the system config |
68 |
|
loadSystemConfig(); |
106 |
|
} |
107 |
|
|
108 |
|
// search config for group membership |
109 |
< |
LinkedList groups = getGroupMembership(source); |
110 |
< |
|
109 |
> |
// and obain a list of groups by name |
110 |
> |
LinkedList nameGroups = getGroupMembership(source); |
111 |
|
// add the hosts individual config to the start of the list |
112 |
< |
groups.addFirst(source); |
112 |
> |
nameGroups.addFirst(source); |
113 |
> |
|
114 |
> |
// this list will be used to compile the groupings |
115 |
> |
LinkedList groups = new LinkedList(); |
116 |
> |
|
117 |
> |
// if we are dealing with a Host.<hostname> request, then we also |
118 |
> |
// want to look for ip address details, as configuration entries may relate to it |
119 |
> |
// if we can't resolve it, we don't look. |
120 |
> |
LinkedList ipGroups = null; |
121 |
> |
if (source.startsWith("Host.")) { |
122 |
> |
// hostname is after Host. |
123 |
> |
String hostname = source.substring(5); |
124 |
> |
try { |
125 |
> |
String ip = "Host." + InetAddress.getByName(hostname).getHostAddress(); |
126 |
> |
ipGroups = getGroupMembership(ip); |
127 |
> |
ipGroups.addFirst(ip); |
128 |
> |
// add to our list of groups |
129 |
> |
groups.addAll(ipGroups); |
130 |
> |
} catch (UnknownHostException e) { |
131 |
> |
_logger.write(toString(), Logger.ERROR, "could not resolve hostname - " + hostname); |
132 |
> |
} |
133 |
> |
} |
134 |
> |
|
135 |
> |
// add the rest of the groups to the end |
136 |
> |
groups.addAll(nameGroups); |
137 |
|
|
138 |
|
Iterator i = groups.iterator(); |
139 |
|
String fileList = ""; |
203 |
|
* Overrides the {@link java.lang.Object#toString() Object.toString()} |
204 |
|
* method to provide clean logging (every class should have this). |
205 |
|
* |
206 |
< |
* This uses the uk.ac.ukc.iscream.util.FormatName class |
206 |
> |
* This uses the uk.org.iscream.cms.server.util.FormatName class |
207 |
|
* to format the toString() |
208 |
|
* |
209 |
|
* @return the name of this class and its CVS revision |
321 |
|
* @return the list of groups that this source is a member of |
322 |
|
*/ |
323 |
|
private LinkedList getGroupMembership(String source) { |
324 |
+ |
_logger.write(toString(), Logger.DEBUG, "searching groups for - " + source); |
325 |
|
LinkedList groupMembership = new LinkedList(); |
326 |
|
Iterator i = new TreeSet(_systemConfigHolder.keySet()).iterator(); |
327 |
|
while(i.hasNext()) { |
328 |
|
String key = (String) i.next(); |
329 |
+ |
// look for a key that's a group entry |
330 |
|
if (key.startsWith("group.")) { |
331 |
+ |
// get the list of hosts in the group |
332 |
|
String group = _systemConfig.getProperty(key); |
333 |
< |
if (group.indexOf(source) != -1) { |
333 |
> |
if(groupMatch(source, group)) { |
334 |
|
groupMembership.add(key.substring(6)); |
335 |
+ |
_logger.write(toString(), Logger.DEBUG, "group match found for - " + source + " in group - " + key); |
336 |
|
} |
337 |
|
} |
338 |
|
} |
339 |
|
return groupMembership; |
340 |
< |
} |
340 |
> |
} |
341 |
> |
|
342 |
> |
/** |
343 |
> |
* Checks that a given source is matched within the |
344 |
> |
* given list of hosts. For example:<br> |
345 |
> |
* <br> |
346 |
> |
* Given "stue5de.ukc.ac.uk"<br> |
347 |
> |
* And "raptor.ukc.ac.uk;stue*.ukc.ac.uk<br> |
348 |
> |
* <br> |
349 |
> |
* This method would return true as there is a match. |
350 |
> |
* |
351 |
> |
* This method will also match if the source is exactly |
352 |
> |
* matched within the group of hosts (ie. no wildcard). |
353 |
> |
* |
354 |
> |
* @param source the string to look for |
355 |
> |
* @param group the group to search for a match |
356 |
> |
* |
357 |
> |
* @return if there is a match |
358 |
> |
*/ |
359 |
> |
public static boolean groupMatch(String source, String group) { |
360 |
> |
StringTokenizer st = new StringTokenizer(group, ";"); |
361 |
> |
// go through all the hosts in the group |
362 |
> |
while (st.hasMoreTokens()) { |
363 |
> |
String host = st.nextToken(); |
364 |
> |
if(StringUtils.wildcardMatch(source, host)) { |
365 |
> |
return true; |
366 |
> |
} |
367 |
> |
} |
368 |
> |
// not had a match |
369 |
> |
return false; |
370 |
> |
} |
371 |
|
|
372 |
|
/** |
373 |
|
* Build the properties as a Configuration to be |