1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
|
package org.openslx.taskmanager.tasks;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import org.apache.logging.log4j.util.Strings;
import org.openslx.satserver.util.MessageSink;
import org.openslx.satserver.util.Util;
import org.openslx.satserver.util.WakeOnLanExecutor;
import org.openslx.taskmanager.api.AbstractTask;
import org.openslx.taskmanager.tasks.RemoteExec.Output;
import org.openslx.taskmanager.tasks.RemoteExec.Result;
import com.google.gson.annotations.Expose;
public class WakeOnLan extends AbstractTask
{
/**
* List of clients to wake up
*/
@Expose
private List<Machine> clients;
/**
* SHH data (key, command) for waking via another host
*/
@Expose
private Map<String, SshData> ssh;
/**
* UDP port to send WOL packets to
*/
@Expose
private int port;
private StatusObject status;
@Override
protected boolean initTask()
{
status = new StatusObject();
this.setStatusObject( status );
if ( clients == null ) {
status.addMsg( "Clients null" );
} else {
// Clean
for ( Iterator<Machine> it = this.clients.iterator(); it.hasNext(); ) {
Machine client = it.next();
if ( client == null || Util.isEmpty( client.mac ) || Util.isEmpty( client.ip )
|| client.methods == null || client.methods.isEmpty() ) {
it.remove();
}
}
if ( clients.isEmpty() ) {
status.addMsg( "Clients empty" );
}
}
if ( ssh == null ) {
ssh = new HashMap<>( 1 );
}
if ( !Util.isEmpty( status.messages ) )
return false;
return true;
}
@Override
protected boolean execute()
{
// Loop over clients until they all were handled (i.e. methods is empty)
ExecutorService tp = Executors.newFixedThreadPool( Math.max( 1, Math.min( 4, ssh.size() ) ) );
Map<String, ArrayList<String>> byMethod;
int jobIdCounter = 0;
do {
byMethod = new HashMap<>();
// Fetch next method for all clients
for ( Machine client : clients ) {
if ( client.methods.isEmpty() )
continue;
// Group by method and destination IP address
String method = client.methods.remove( 0 ) + "//" + client.ip
+ "//" + ( client.password == null ? "" : client.password );
ArrayList<String> list = byMethod.get( method );
if ( list == null ) {
list = new ArrayList<>();
byMethod.put( method, list );
}
list.add( client.mac );
}
if ( byMethod.isEmpty() )
break;
status.addMsg( "Starting job distribution..." );
// Execute
List<Future<?>> waitList = new ArrayList<>();
for ( Entry<String, ArrayList<String>> it : byMethod.entrySet() ) {
final String[] parts = it.getKey().split( "//" );
final String method = parts[0];
final List<String> macs = it.getValue();
final String macString = Strings.join( macs.iterator(), ' ' );
final String broadcastIp = parts[1];
final String password = parts.length >= 3 ? parts[2] : "";
final int jobId = ++jobIdCounter;
if ( method.equalsIgnoreCase( "DIRECT" ) ) {
// Directly from server
waitList.add( tp.submit( () -> {
status.addMsg( jobId + ": Waking directly from server: " + macString );
WakeOnLanExecutor wol = new WakeOnLanExecutor( password );
String[] success = wol.execute( status, macs, broadcastIp, this.port );
markSuccess( Arrays.asList( success ) );
if ( success.length == macs.size() ) {
status.addMsg( jobId + ": Done" );
} else {
status.addMsg( jobId + ": Some failed" );
}
} ) );
} else if ( this.ssh.containsKey( method ) ) {
// Via SSH
waitList.add( tp.submit( () -> {
SshData sshData = this.ssh.get( method );
status.addMsg( jobId + ": Waking via SSH from " + sshData.ip + " to " + broadcastIp + ": " + macString );
String command = sshData.command.replace( "%MACS%", macString )
.replace( "%IP%", broadcastIp )
.replace( "%PASSWORD%", password );
RemoteExec.Client c = new RemoteExec.Client( null, sshData.ip, sshData.port, sshData.username );
RemoteExec task = new RemoteExec( new RemoteExec.Client[] { c }, sshData.sshkey, sshData.port, command, 5 );
task.execute();
Output s = task.getStatusObject();
if ( s == null ) {
status.addMsg( jobId + ": Task status is null, considering failed" );
} else {
if ( !Util.isEmpty( s.error ) ) {
status.addMsg( s.error );
}
if ( s.result != null && s.result.containsKey( sshData.ip ) && s.result.get( sshData.ip ).exitCode == 0 ) {
markSuccess( macs );
status.addMsg( jobId + ": Done" );
} else {
if ( s.result != null ) {
for ( Result sshClient : s.result.values() ) {
if ( sshClient == null )
continue;
status.addMsg( jobId + ": stdout: " + sshClient.stdout + "\n"
+ jobId + ": stderr: " + sshClient.stderr );
}
}
status.addMsg( jobId + ": Non-zero exit code, considering failed" );
}
}
} ) );
} else {
status.addMsg( "Ignoring unknown SSH method '" + method + "'" );
}
}
// Wait for all jobs
for ( Future<?> f : waitList ) {
try {
f.get();
} catch ( InterruptedException e ) {
status.addMsg( "Threadpool got interrupted" );
Thread.currentThread().interrupt();
return false;
} catch ( ExecutionException e ) {
status.addMsg( "A treadpool job threw an exception" );
e.printStackTrace();
}
}
} while ( true );
status.addMsg( "Mainloop done" );
if ( this.clients.isEmpty() )
return true;
status.addMsg( "Failed clients:" );
for ( Machine c : clients ) {
status.addMsg( c.ip );
}
return false;
}
private void markSuccess( Collection<String> macs )
{
synchronized ( this.clients ) {
for ( Iterator<Machine> it = this.clients.iterator(); it.hasNext(); ) {
Machine client = it.next();
if ( macs.contains( client.mac ) ) {
it.remove();
}
}
}
}
static class Machine
{
/**
* Destination IP (for directed broadcast)
*/
@Expose
String ip;
/**
* Destination MAC
*/
@Expose
String mac;
/**
* Desired WOL modes, from most to least preferred. either a key to the top level ssh map,
* or "DIRECT" for sending a WOL packet directly from the server
*/
@Expose
List<String> methods;
/**
* WOL password
*/
@Expose
private String password;
}
static class SshData
{
@Expose
String username;
@Expose
String sshkey;
@Expose
String ip;
@Expose
int port;
@Expose
String command;
}
/*
*
*/
/**
* Return any messages about progress and status
*/
static class StatusObject implements MessageSink
{
private String messages = "";
public synchronized void addMsg( String str )
{
messages = messages + "\n" + str;
}
}
}
|
