root / src / com / rackspacecloud / android / AddMoreNodesActivity.java @ 403bb53b
History | View | Annotate | Download (13.1 kB)
1 |
package com.rackspacecloud.android; |
---|---|
2 |
|
3 |
import java.util.ArrayList; |
4 |
|
5 |
import org.apache.http.HttpResponse; |
6 |
|
7 |
import com.rackspace.cloud.loadbalancer.api.client.LoadBalancer; |
8 |
import com.rackspace.cloud.loadbalancer.api.client.Node; |
9 |
import com.rackspace.cloud.loadbalancer.api.client.NodeManager; |
10 |
import com.rackspace.cloud.servers.api.client.CloudServersException; |
11 |
import com.rackspace.cloud.servers.api.client.Server; |
12 |
import com.rackspace.cloud.servers.api.client.ServerManager; |
13 |
import com.rackspace.cloud.servers.api.client.http.HttpBundle; |
14 |
|
15 |
import android.app.Activity; |
16 |
import android.content.Intent; |
17 |
import android.os.AsyncTask; |
18 |
import android.os.Bundle; |
19 |
import android.util.Log; |
20 |
import android.view.LayoutInflater; |
21 |
import android.view.View; |
22 |
import android.view.View.OnClickListener; |
23 |
import android.view.ViewGroup; |
24 |
import android.widget.ArrayAdapter; |
25 |
import android.widget.Button; |
26 |
import android.widget.CheckBox; |
27 |
import android.widget.CompoundButton; |
28 |
import android.widget.LinearLayout; |
29 |
import android.widget.ListView; |
30 |
import android.widget.CompoundButton.OnCheckedChangeListener; |
31 |
import android.widget.TextView; |
32 |
|
33 |
public class AddMoreNodesActivity extends CloudListActivity { |
34 |
|
35 |
private static final int ADD_NODE_CODE = 178; |
36 |
private static final int ADD_EXTERNAL_NODE_CODE = 188; |
37 |
private ArrayList<Server> servers; |
38 |
private int lastCheckedPos; |
39 |
private ArrayList<Node> nodes; |
40 |
private ArrayList<Node> nodesToAdd; |
41 |
private LoadBalancer loadBalancer;
|
42 |
|
43 |
@SuppressWarnings("unchecked") |
44 |
@Override
|
45 |
public void onCreate(Bundle savedInstanceState) { |
46 |
super.onCreate(savedInstanceState);
|
47 |
nodes = (ArrayList<Node>) this.getIntent().getExtras().get("nodes"); |
48 |
loadBalancer = (LoadBalancer) this.getIntent().getExtras().get("loadBalancer"); |
49 |
setContentView(R.layout.addnodes); |
50 |
restoreState(savedInstanceState); |
51 |
} |
52 |
|
53 |
@Override
|
54 |
protected void onSaveInstanceState(Bundle outState) { |
55 |
super.onSaveInstanceState(outState);
|
56 |
|
57 |
outState.putSerializable("nodes", nodes);
|
58 |
outState.putSerializable("loadBalancer", loadBalancer);
|
59 |
outState.putSerializable("nodesToAdd", nodesToAdd);
|
60 |
outState.putSerializable("servers", servers);
|
61 |
} |
62 |
|
63 |
@SuppressWarnings("unchecked") |
64 |
protected void restoreState(Bundle state) { |
65 |
super.restoreState(state);
|
66 |
|
67 |
if (state != null && state.containsKey("nodes")){ |
68 |
nodes = (ArrayList<Node>) state.getSerializable("nodes"); |
69 |
if(nodes == null){ |
70 |
nodes = new ArrayList<Node>(); |
71 |
} |
72 |
} |
73 |
|
74 |
if (state != null && state.containsKey("loadBalancer")){ |
75 |
loadBalancer = (LoadBalancer) state.getSerializable("loadBalancer");
|
76 |
if(loadBalancer == null){ |
77 |
loadBalancer = new LoadBalancer();
|
78 |
} |
79 |
} |
80 |
|
81 |
if (state != null && state.containsKey("nodesToAdd")){ |
82 |
nodesToAdd = (ArrayList<Node>) state.getSerializable("nodesToAdd"); |
83 |
} |
84 |
else{
|
85 |
nodesToAdd = new ArrayList<Node>(); |
86 |
} |
87 |
|
88 |
if (state != null && state.containsKey("servers") && state.getSerializable("servers") != null) { |
89 |
servers = (ArrayList<Server>) state.getSerializable("servers"); |
90 |
if (servers.size() == 0) { |
91 |
displayNoServersCell(); |
92 |
} else {
|
93 |
getListView().setDividerHeight(1); // restore divider lines |
94 |
setListAdapter(new ServerAdapter());
|
95 |
} |
96 |
} else {
|
97 |
loadServers(); |
98 |
} |
99 |
|
100 |
Button submitNodes = (Button) findViewById(R.id.submit_nodes_button); |
101 |
submitNodes.setOnClickListener(new OnClickListener() {
|
102 |
|
103 |
@Override
|
104 |
public void onClick(View v) { |
105 |
if(nodesToAdd.size() == 0){ |
106 |
finish(); |
107 |
} else {
|
108 |
new AddNodesTask().execute();
|
109 |
} |
110 |
} |
111 |
}); |
112 |
|
113 |
Button addExternalNode = (Button) findViewById(R.id.add_external_node); |
114 |
addExternalNode.setOnClickListener(new OnClickListener() {
|
115 |
|
116 |
@Override
|
117 |
public void onClick(View v) { |
118 |
Intent viewIntent = new Intent(getContext(), AddExternalNodeActivity.class);
|
119 |
viewIntent.putExtra("weighted", false); |
120 |
startActivityForResult(viewIntent, ADD_EXTERNAL_NODE_CODE); |
121 |
} |
122 |
}); |
123 |
} |
124 |
|
125 |
@Override
|
126 |
public void onBackPressed(){ |
127 |
setResult(RESULT_CANCELED); |
128 |
finish(); |
129 |
} |
130 |
|
131 |
private void displayNoServersCell() { |
132 |
String a[] = new String[1]; |
133 |
a[0] = "No Servers"; |
134 |
setListAdapter(new ArrayAdapter<String>(this, R.layout.noserverscell, R.id.no_servers_label, a)); |
135 |
getListView().setTextFilterEnabled(true);
|
136 |
getListView().setDividerHeight(0); // hide the dividers so it won't look like a list row |
137 |
getListView().setItemsCanFocus(false);
|
138 |
} |
139 |
|
140 |
private void setServerList(ArrayList<Server> servers) { |
141 |
if (servers == null) { |
142 |
servers = new ArrayList<Server>(); |
143 |
} |
144 |
|
145 |
for(int i = 0; i < servers.size(); i++) { |
146 |
/*
|
147 |
* if all the IP's of a server are
|
148 |
* already used as nodes, we do not
|
149 |
* need to display that server
|
150 |
*/
|
151 |
if(!notAllIpsNodes(servers.get(i))){
|
152 |
servers.remove(i); |
153 |
} |
154 |
} |
155 |
|
156 |
String[] serverNames = new String[servers.size()]; |
157 |
this.servers = new ArrayList<Server>(); |
158 |
|
159 |
for(int i = 0; i < servers.size(); i++){ |
160 |
serverNames[i] = servers.get(i).getName(); |
161 |
this.servers.add(i, servers.get(i));
|
162 |
} |
163 |
|
164 |
if (serverNames.length == 0) { |
165 |
displayNoServersCell(); |
166 |
} else {
|
167 |
getListView().setDividerHeight(1); // restore divider lines |
168 |
setListAdapter(new ServerAdapter());
|
169 |
} |
170 |
} |
171 |
|
172 |
/*
|
173 |
* determine if all the IP's of a server are
|
174 |
* already used as nodes
|
175 |
*/
|
176 |
private boolean notAllIpsNodes(Server server){ |
177 |
for(String address : server.getPrivateIpAddresses()){ |
178 |
if(!nodeHasAddress(address)){
|
179 |
return true; |
180 |
} |
181 |
} |
182 |
for(String address : server.getPublicIpAddresses()){ |
183 |
if(!nodeHasAddress(address)){
|
184 |
return true; |
185 |
} |
186 |
} |
187 |
return false; |
188 |
} |
189 |
|
190 |
/*
|
191 |
* determine is an existing node has IP Address,
|
192 |
* address
|
193 |
*/
|
194 |
private boolean nodeHasAddress(String address){ |
195 |
for(Node n : nodes){
|
196 |
if(n.getAddress().equals(address)){
|
197 |
return true; |
198 |
} |
199 |
} |
200 |
return false; |
201 |
} |
202 |
|
203 |
private void loadServers() { |
204 |
new LoadServersTask().execute((Void[]) null); |
205 |
} |
206 |
|
207 |
// * Adapter/
|
208 |
class ServerAdapter extends ArrayAdapter<Server> { |
209 |
ServerAdapter() { |
210 |
super(AddMoreNodesActivity.this, R.layout.listservernodecell, servers);
|
211 |
} |
212 |
|
213 |
public View getView(int position, View convertView, ViewGroup parent) { |
214 |
|
215 |
final Server server = servers.get(position);
|
216 |
LayoutInflater inflater = getLayoutInflater(); |
217 |
View row = inflater.inflate(R.layout.listservernodecell, parent, false); |
218 |
|
219 |
TextView label = (TextView) row.findViewById(R.id.label); |
220 |
label.setText(server.getName()); |
221 |
|
222 |
TextView sublabel = (TextView) row.findViewById(R.id.sublabel); |
223 |
if(server.getName().equals("External Node")){ |
224 |
sublabel.setText(server.getPrivateIpAddresses()[0]);
|
225 |
} else {
|
226 |
sublabel.setText(server.getFlavor().getName() + " - " + server.getImage().getName());
|
227 |
} |
228 |
|
229 |
String[] publicIp = server.getPublicIpAddresses(); |
230 |
String[] privateIp = server.getPrivateIpAddresses(); |
231 |
|
232 |
if(publicIp == null){ |
233 |
publicIp = new String[0]; |
234 |
} |
235 |
|
236 |
if(privateIp == null){ |
237 |
privateIp = new String[0]; |
238 |
} |
239 |
|
240 |
ArrayList<String> ipAddressList = new ArrayList<String>(); |
241 |
for(int i = 0; i < privateIp.length; i++){ |
242 |
if(!nodeHasAddress(privateIp[i])){
|
243 |
ipAddressList.add(privateIp[i]); |
244 |
} |
245 |
} |
246 |
for(int i = 0; i < publicIp.length; i++){ |
247 |
if(!nodeHasAddress(publicIp[i])){
|
248 |
ipAddressList.add(publicIp[i]); |
249 |
} |
250 |
} |
251 |
|
252 |
final String[] ipAddresses = ipAddressList.toArray(new String[ipAddressList.size()]); |
253 |
final int pos = position; |
254 |
CheckBox add = (CheckBox) row.findViewById(R.id.add_node_checkbox); |
255 |
|
256 |
if(inToAddList(server)){
|
257 |
add.setChecked(true);
|
258 |
} |
259 |
|
260 |
add.setOnCheckedChangeListener(new OnCheckedChangeListener() {
|
261 |
|
262 |
@Override
|
263 |
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { |
264 |
if(isChecked){
|
265 |
lastCheckedPos = pos; |
266 |
Intent viewIntent = new Intent(getContext(), AddNodeActivity.class);
|
267 |
viewIntent.putExtra("ipAddresses", ipAddresses);
|
268 |
viewIntent.putExtra("name", server.getName());
|
269 |
viewIntent.putExtra("weighted", loadBalancer.getAlgorithm().contains("WEIGHTED")); |
270 |
startActivityForResult(viewIntent, ADD_NODE_CODE); |
271 |
} |
272 |
else{
|
273 |
removeNodeFromList(server); |
274 |
if(server.getName().equals("External Node")){ |
275 |
servers.remove(server); |
276 |
setServerList(servers); |
277 |
} |
278 |
} |
279 |
} |
280 |
}); |
281 |
|
282 |
return(row);
|
283 |
} |
284 |
|
285 |
/*
|
286 |
* need to remove by id because that is
|
287 |
* what is unique
|
288 |
*/
|
289 |
private void removeNodeFromList(Server server){ |
290 |
for(int i = 0; i < nodesToAdd.size(); i++){ |
291 |
Node node = nodesToAdd.get(i); |
292 |
if(serverHasIp(server, node.getAddress())){
|
293 |
nodesToAdd.remove(i); |
294 |
break;
|
295 |
} |
296 |
} |
297 |
} |
298 |
} |
299 |
private boolean serverHasIp(Server server, String address){ |
300 |
String[] addresses = server.getPrivateIpAddresses(); |
301 |
for(int i = 0; i < addresses.length; i++){ |
302 |
Log.d("info", "server address: " + addresses[i] + " node address: " + address); |
303 |
if(addresses[i].equals(address)){
|
304 |
return true; |
305 |
} |
306 |
} |
307 |
addresses = server.getPublicIpAddresses(); |
308 |
for(int i = 0; i < addresses.length; i++){ |
309 |
if(addresses[i].equals(address)){
|
310 |
return true; |
311 |
} |
312 |
} |
313 |
return false; |
314 |
} |
315 |
|
316 |
private boolean inToAddList(Server server){ |
317 |
for(Node node : nodesToAdd){
|
318 |
if(serverHasIp(server, node.getAddress())){
|
319 |
return true; |
320 |
} |
321 |
} |
322 |
return false; |
323 |
} |
324 |
|
325 |
|
326 |
private class AddNodesTask extends AsyncTask<Void, Void, HttpBundle> { |
327 |
private CloudServersException exception;
|
328 |
|
329 |
protected void onPreExecute(){ |
330 |
showDialog(); |
331 |
} |
332 |
|
333 |
@Override
|
334 |
protected HttpBundle doInBackground(Void... arg0) { |
335 |
HttpBundle bundle = null;
|
336 |
try {
|
337 |
bundle = (new NodeManager(getContext())).add(loadBalancer, nodesToAdd);
|
338 |
} catch (CloudServersException e) {
|
339 |
exception = e; |
340 |
} |
341 |
return bundle;
|
342 |
} |
343 |
|
344 |
@Override
|
345 |
protected void onPostExecute(HttpBundle bundle) { |
346 |
hideDialog(); |
347 |
HttpResponse response = bundle.getResponse(); |
348 |
if (response != null) { |
349 |
int statusCode = response.getStatusLine().getStatusCode();
|
350 |
if (statusCode == 202) { |
351 |
setResult(Activity.RESULT_OK); |
352 |
finish(); |
353 |
} else {
|
354 |
CloudServersException cse = parseCloudServersException(response); |
355 |
if ("".equals(cse.getMessage())) { |
356 |
showError("There was a problem creating your load balancer.", bundle);
|
357 |
} else {
|
358 |
//if container with same name already exists
|
359 |
showError("There was a problem creating your load balancer: " + cse.getMessage() + "\n See details for more information", bundle); |
360 |
} |
361 |
} |
362 |
} else if (exception != null) { |
363 |
showError("There was a problem creating your container: " + exception.getMessage()+"\n See details for more information.", bundle); |
364 |
} |
365 |
finish(); |
366 |
} |
367 |
} |
368 |
|
369 |
private class LoadServersTask extends AsyncTask<Void, Void, ArrayList<Server>> { |
370 |
private CloudServersException exception;
|
371 |
|
372 |
@Override
|
373 |
protected void onPreExecute(){ |
374 |
showDialog(); |
375 |
} |
376 |
|
377 |
@Override
|
378 |
protected ArrayList<Server> doInBackground(Void... arg0) { |
379 |
ArrayList<Server> servers = null; |
380 |
try {
|
381 |
servers = (new ServerManager()).createList(true, getContext()); |
382 |
} catch (CloudServersException e) {
|
383 |
exception = e; |
384 |
} |
385 |
return servers;
|
386 |
} |
387 |
|
388 |
@Override
|
389 |
protected void onPostExecute(ArrayList<Server> result) { |
390 |
hideDialog(); |
391 |
if (exception != null) { |
392 |
showAlert("Error", exception.getMessage());
|
393 |
} |
394 |
setServerList(result); |
395 |
} |
396 |
} |
397 |
|
398 |
private String getNameFromIp(String address){ |
399 |
for(Server s: servers){
|
400 |
if(serverHasIp(s, address)){
|
401 |
return s.getName();
|
402 |
} |
403 |
} |
404 |
return ""; |
405 |
} |
406 |
|
407 |
private boolean isCloudServerIp(String address){ |
408 |
for(Server s : servers){
|
409 |
if(serverHasIp(s, address)){
|
410 |
return true; |
411 |
} |
412 |
} |
413 |
return false; |
414 |
} |
415 |
|
416 |
protected void onActivityResult(int requestCode, int resultCode, Intent data){ |
417 |
int pos = lastCheckedPos;
|
418 |
if(requestCode == ADD_NODE_CODE && resultCode == RESULT_OK){
|
419 |
Node node = new Node();
|
420 |
node.setAddress(data.getStringExtra("nodeIp"));
|
421 |
node.setCondition(data.getStringExtra("nodeCondition"));
|
422 |
node.setName(servers.get(pos).getName()); |
423 |
node.setPort(data.getStringExtra("nodePort"));
|
424 |
Log.d("info", "setting the weight in addmore to " + data.getStringExtra("nodeWeight")); |
425 |
node.setWeight(data.getStringExtra("nodeWeight"));
|
426 |
nodesToAdd.add(node); |
427 |
} |
428 |
else if(requestCode == ADD_NODE_CODE && resultCode == RESULT_CANCELED){ |
429 |
//uncheck the node at lastCheckedPos
|
430 |
LinearLayout linear = (LinearLayout) findViewById(R.id.nodes_linear_layout); |
431 |
ListView serversList = (ListView) linear.findViewById(android.R.id.list); |
432 |
View row = serversList.getChildAt(pos);
|
433 |
CheckBox checkBox = (CheckBox)row.findViewById(R.id.add_node_checkbox); |
434 |
checkBox.setChecked(false);
|
435 |
} |
436 |
else if(requestCode == ADD_EXTERNAL_NODE_CODE && resultCode == RESULT_OK){ |
437 |
Node node = new Node();
|
438 |
node.setAddress(data.getStringExtra("nodeIp"));
|
439 |
node.setCondition(data.getStringExtra("nodeCondition"));
|
440 |
node.setName("External Node");
|
441 |
node.setPort(data.getStringExtra("nodePort"));
|
442 |
node.setWeight(data.getStringExtra("nodeWeight"));
|
443 |
|
444 |
/*
|
445 |
* If the ip is from a cloud server, alert to user
|
446 |
* so they can select it from there
|
447 |
*/
|
448 |
if(!isCloudServerIp(node.getAddress())){
|
449 |
nodesToAdd.add(node); |
450 |
//Add it to server list so it display in the listview
|
451 |
Server server = new Server();
|
452 |
server.setName("External Node");
|
453 |
String[] ip = {data.getStringExtra("nodeIp")}; |
454 |
server.setPrivateIpAddresses(ip); |
455 |
servers.add(server); |
456 |
setServerList(servers); |
457 |
} else {
|
458 |
showAlert("Error", "This IP belongs to a cloud server: \"" + getNameFromIp(node.getAddress()) |
459 |
+ "\", please select it from the list.");
|
460 |
} |
461 |
} |
462 |
} |
463 |
} |