runner: let user delete unused software releases

slapos/runner/templates/instanceInspect.html

@@ -144,9 +144,29 @@
         </div><!-- end tab4 -->
       <div id="tab5" class="tabContents">
         <div class="clear"></div>
+	<h2>List of unused Software Releases</h2>
+    <p></p>
+    <p>Request here the deletion of Software Releases.</p>
+    <p>A Software Release won't be deleted from disk until Build&amp;Run is executed. If you requested a Software Release removal by mistake, and Build&amp;Run didn't run yet, it is still possible to request it again.</p>
+    <div class="clear"></div>
+    <table width="100%">
+      <tr>
+        <th>Software Release URI</th><th>Ask Deletion</th>
+      </tr>
 	{% for software_release_uri in software_release_uri_list %}
-	<p>{{ software_release_uri }}</p>
+      <tr>
+        <td>
+          {{ software_release_uri }}
+        </td>
+        <td>
+	      <form action="/destroySoftwareRelease" method="POST">
+                <input type="hidden" name="uri" value="{{ software_release_uri }}" />
+                <input type="submit" class="button" title="Remove this software" value="Remove" />
+	      </form>
+        </td>
+	  </tr>
 	{% endfor %}
+    </table>
       </div><!-- end tab5 -->
     </div>
 </div>

slapos/runner/utils.py

@@ -218,6 +218,30 @@ def supplySoftwareRelease(config, sr_path):
   if not getCurrentUsedSoftwareReleaseProfile(config):
     setCurrentSoftwareRelease(config, sr_path)
 
+def destroySoftwareRelease(config, uri):
+  available_sr_list = getAvailableSoftwareReleaseURIList(config)
+  for available_sr in available_sr_list:
+    if os.path.realpath(available_sr) == os.path.realpath(uri):
+      real_uri = available_sr
+      break
+  else:
+    return False
+  slap = slapos.slap.slap()
+  slap.initializeConnection(config['master_url'])
+  try:
+    software_release, = [
+      x for x in slap.registerComputer(config['computer_id']).getSoftwareReleaseList()
+      if x.getURI() == real_uri
+    ]
+  except ValueError:
+    return False
+  slap.registerSupply().supply(
+    real_uri,
+    computer_guid=config['computer_id'],
+    state='destroyed',
+  )
+  return True
+
 
 def updateProxy(config):
   """
@@ -867,7 +891,7 @@ def relativepath(config, path):
     'runner_workdir',
   )
   for virtual_path in virtual_path_list:
-    if path.startswith(config[virtual_path]):
+    if os.path.realpath(path).startswith(os.path.realpath(config[virtual_path])):
       return path.replace(os.path.realpath(config[virtual_path]), virtual_path)
   return ''
 

slapos/runner/views.py

@@ -831,6 +831,15 @@ def getMiniShellHistory():
   return json.dumps(history)
 
 
+def destroySoftwareRelease():
+  software_release_uri = request.form['uri']
+  if utils.destroySoftwareRelease(app.config, realpath(app.config, software_release_uri)):
+    flash('Software Release deleted.')
+  else:
+    flash('Error: Software Release not found')
+  return redirect(url_for('inspectInstance'))
+
+
 #Setup List of URLs
 app.add_url_rule('/', 'home', home)
 app.add_url_rule('/browseWorkspace', 'browseWorkspace', browseWorkspace)
@@ -920,3 +929,4 @@ app.add_url_rule('/addUser', 'addUser', addUser, methods=['POST'])
 app.add_url_rule('/getSlapgridParameters', 'getSlapgridParameters', getSlapgridParameters, methods=['GET'])
 app.add_url_rule('/runCommand', 'runCommand', runCommand, methods=['POST'])
 app.add_url_rule("/getMiniShellHistory", 'getMiniShellHistory', getMiniShellHistory, methods=['GET'])
+app.add_url_rule("/destroySoftwareRelease", "destroySoftwareRelease", destroySoftwareRelease, methods=['POST'])