runner: allow user to change the software release of the instance on "Inspect Instance" page

slapos/runner/static/js/scripts/inspectInstance.js

@@ -81,6 +81,7 @@ $(document).ready(function () {
         var xml = '<?xml version="1.0" encoding="utf-8"?>\n',
             software_type = '',
             software_type_input_value = $('input#software_type').val(),
+            software_release = $('#software_release').val(),
             size = $('#partitionParameter > tbody > tr').length,
             i;
 
@@ -102,7 +103,11 @@ $(document).ready(function () {
         $.ajax({
             type: 'POST',
             url: $SCRIPT_ROOT + '/saveParameterXml',
-            data: {software_type: software_type, parameter: xml},
+            data: {
+              software_type: software_type,
+              software_release: software_release,
+              parameter: xml
+            },
             success: function (data) {
                 if (data.code === 1) {
                     $('#error').Popup('Instance parameters has been updated, please run your instance now!', {type: 'confirm', duration: 5000});

slapos/runner/templates/instanceInspect.html

@@ -94,6 +94,16 @@
       {%endif%}
         </div><!-- end tab2 -->
       <div id="tab3" class="tabContents">
+      <div id="softwareRelease">
+        <h2 class='title'>Software Release of main instance</h2>
+        <select style="margin-top:5px;" name="software_release", id="software_release">
+          <option value="{{ current_software_release_uri }}">{{ current_software_release_uri }}</option>
+          {% for sr_uri in software_release_uri_list %}
+          <option value="{{ sr_uri }}">{{ sr_uri }}</option>
+          {% endfor %}
+        </select>
+      </div>
+      <br/>
       <div id="softwareType">
         <h2 class='title'>Software Type of main instance</h2>
         <input style="margin-top:5px;" type="text" name="software_type" id="software_type" size="35" value="Software Type here..." />

slapos/runner/utils.py

@@ -122,6 +122,16 @@ def createNewUser(config, name, passwd):
     return False
   return True
 
+
+def getAvailableSoftwareReleaseURIList(config):
+  slap = slapos.slap.slap()
+  slap.initializeConnection(config['master_url'])
+  return [
+    x.getURI() for x in \
+    slap.registerComputer(config['computer_id']).getSoftwareReleaseList()
+  ]
+
+
 def getCurrentSoftwareReleaseProfile(config):
   """
   Returns used Software Release profile as a string.
@@ -856,6 +866,21 @@ def realpath(config, path, check_exist=True):
     return path
 
 
+def relativepath(config, path):
+  # Sorted by less generic to more generic
+  path = os.path.realpath(path)
+  virtual_path_list = (
+    'software_root',
+    'instance_root',
+    'workspace',
+    'software_link',
+    'runner_workdir',
+  )
+  for virtual_path in virtual_path_list:
+    if path.startswith(config[virtual_path]):
+      return path.replace(os.path.realpath(config[virtual_path]), virtual_path)
+  return ''
+
 def readParameters(path):
   """Read Instance parameters stored into a local file.
 

slapos/runner/views.py

@@ -184,6 +184,10 @@ def inspectInstance():
   else:
     file_path = ''
     supervisor = []
+  current_sr = utils.relativepath(app.config, utils.getCurrentSoftwareReleaseProfile(app.config))
+  available_sr_list = [utils.relativepath(app.config, x) for x in utils.getAvailableSoftwareReleaseURIList(app.config)]
+  if current_sr in available_sr_list:
+    available_sr_list.remove(current_sr)
   if "application/json" in request.accept_mimetypes.best:
     result_list = []
     for service in supervisor:
@@ -192,11 +196,15 @@ def inspectInstance():
         'status': service[1],
       })
     return jsonify(result_list)
-  return render_template('instanceInspect.html',
+  return render_template(
+    'instanceInspect.html',
     file_path=file_path,
     supervisor=supervisor,
     slap_status=getSlapStatus(app.config),
-                         partition_amount=app.config['partition_amount'])
+    partition_amount=app.config['partition_amount'],
+    current_software_release_uri=current_sr,
+    software_release_uri_list=available_sr_list
+  )
 
 def getConnectionParameter(partition_reference):
   """
@@ -558,8 +566,13 @@ def saveParameterXml():
   Update instance parameter into a local xml file.
   """
   project = os.path.join(app.config['etc_dir'], ".project")
-  if not os.path.exists(project):
+  current_software_release = utils.getCurrentSoftwareReleaseProfile(config)
+  if not current_software_release:
     return jsonify(code=0, result="Please first open a Software Release")
+  software_release = request.form['software_release']
+  if current_software_release != software_release:
+    utils.setCurrentSoftwareRelease(app.config, software_release)
+
   content = request.form['parameter'].encode("utf-8")
   param_path = os.path.join(app.config['etc_dir'], ".parameter.xml")
   try: