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[Cluster-devel] conga/luci site/luci/Extensions/StorageReport. ...



CVSROOT:	/cvs/cluster
Module name:	conga
Changes by:	kupcevic sourceware org	2006-10-16 07:39:27

Modified files:
	luci/site/luci/Extensions: StorageReport.py Variable.py 
	                           ricci_communicator.py 
	luci/storage   : form-macros 
Added files:
	luci/storage   : check-batch 

Log message:
	luci storage:
	- use async calls to commit storage changes
	- detailed error reporting during commits

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/conga/luci/site/luci/Extensions/StorageReport.py.diff?cvsroot=cluster&r1=1.17&r2=1.18
http://sourceware.org/cgi-bin/cvsweb.cgi/conga/luci/site/luci/Extensions/Variable.py.diff?cvsroot=cluster&r1=1.3&r2=1.4
http://sourceware.org/cgi-bin/cvsweb.cgi/conga/luci/site/luci/Extensions/ricci_communicator.py.diff?cvsroot=cluster&r1=1.8&r2=1.9
http://sourceware.org/cgi-bin/cvsweb.cgi/conga/luci/storage/check-batch.diff?cvsroot=cluster&r1=NONE&r2=1.1
http://sourceware.org/cgi-bin/cvsweb.cgi/conga/luci/storage/form-macros.diff?cvsroot=cluster&r1=1.14&r2=1.15

--- conga/luci/site/luci/Extensions/StorageReport.py	2006/10/15 22:34:54	1.17
+++ conga/luci/site/luci/Extensions/StorageReport.py	2006/10/16 07:39:27	1.18
@@ -10,7 +10,7 @@
 from conga_storage_constants import *
 from HelperFunctions import *
 
-from ricci_communicator import get_ricci_communicator
+from ricci_communicator import get_ricci_communicator, batch_status, extract_module_status
 
 
 
@@ -811,14 +811,10 @@
     return [valid, var_name, msg]
 
 
-# TODO: implement
-def apply(self, ricci, storage_report, request, main_URL):
+
+def apply(self, ricci, storage_report, request):
     if validate(self, storage_report, request) != 'OK':
-        return 'Internal error: input not validated!!!'
-    
-    #return 'size has to be within limits'
-    #return request
-    #return main_URL
+        raise 'Internal error: input not validated!!!'
     
     session = request.SESSION
     
@@ -833,6 +829,8 @@
         path = request[PT_PATH]
     
     
+    batch_id = ''
+    
     if object_type == 'bd':
         bd_data = get_bd_data(self, storage_report, mapper_id, path)
         bd_xml = bd_data['xml'].cloneNode(True)
@@ -853,11 +851,8 @@
             module.appendChild(req)
             batch.appendChild(module)
             
-            res = ricci.process_batch(batch, False)
-            if res.getAttribute('status') != '0':
-                invalidate_storage_report(request.SESSION, storagename)
-                err_msg = 'Error removing ' + path + '\n' + res.toprettyxml()
-                return err_msg
+            res = ricci.process_batch(batch, True)
+            batch_id = res.getAttribute('batch_id')
             pass
         
         
@@ -978,51 +973,10 @@
             module.appendChild(req)
             batch.appendChild(module)
             
-            res = ricci.process_batch(batch, False)
-            if res.getAttribute('status') != '0':
-                invalidate_storage_report(request.SESSION, storagename)
-                err_msg = 'Error modifying ' + path + '\n' + res.toprettyxml()
-                return err_msg
-            module_r = None
-            for node in res.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == 'module':
-                        module_r = node
-            if module_r == None:
-                raise 'missing <module/> in <batch/>'
-            if module_r.getAttribute('status') != '0':
-                raise 'error retrieving storage report'
-            resp_r = None
-            for node in module_r.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == RESPONSE_TAG:
-                        resp_r = node
-            if resp_r == None:
-                raise 'missing <response/> in <module/>'
-            fr_r = None
-            for node in resp_r.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == FUNC_RESP_TAG:
-                        fr_r = node
-            if fr_r == None:
-                raise 'missing <function_response/> in <response/>'
-            bd_var = None
-            for node in fr_r.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == VARIABLE_TAG:
-                        if node.getAttribute('name') == 'bd':
-                            bd_var = node
-            if bd_var == None:
-                raise 'missing <var name="bd"/> in <function_response/>'
-            bd_xml = None
-            for node in bd_var.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == BD_TYPE:
-                        bd_xml = node.cloneNode(True)
-            path = bd_xml.getAttribute('path')
+            res = ricci.process_batch(batch, True)
+            batch_id = res.getAttribute('batch_id')
             pass
-        pass
-    
+        
     
     
     elif object_type == 'bd_template':
@@ -1149,51 +1103,10 @@
             module.appendChild(req)
             batch.appendChild(module)
             
-            res = ricci.process_batch(batch, False)
-            if res.getAttribute('status') != '0':
-                invalidate_storage_report(request.SESSION, storagename)
-                err_msg = 'Error creating new ' + path + '\n' + res.toprettyxml()
-                return err_msg
-            module_r = None
-            for node in res.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == 'module':
-                        module_r = node
-            if module_r == None:
-                raise 'missing <module/> in <batch/>'
-            if module_r.getAttribute('status') != '0':
-                raise 'error retrieving storage report'
-            resp_r = None
-            for node in module_r.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == RESPONSE_TAG:
-                        resp_r = node
-            if resp_r == None:
-                raise 'missing <response/> in <module/>'
-            fr_r = None
-            for node in resp_r.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == FUNC_RESP_TAG:
-                        fr_r = node
-            if fr_r == None:
-                raise 'missing <function_response/> in <response/>'
-            bd_var = None
-            for node in fr_r.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == VARIABLE_TAG:
-                        if node.getAttribute('name') == 'bd':
-                            bd_var = node
-            if bd_var == None:
-                raise 'missing <var name="bd"/> in <function_response/>'
-            bd_xml = None
-            for node in bd_var.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == BD_TYPE:
-                        bd_xml = node.cloneNode(True)
-            path = bd_xml.getAttribute('path')
+            res = ricci.process_batch(batch, True)
+            batch_id = res.getAttribute('batch_id')
             pass
-        pass
-    
+        
     
     
     elif object_type == 'mapper':
@@ -1217,13 +1130,11 @@
             module.appendChild(req)
             batch.appendChild(module)
             
-            res = ricci.process_batch(batch, False)
-            if res.getAttribute('status') != '0':
-                invalidate_storage_report(request.SESSION, storagename)
-                err_msg = 'Error removing ' + mapper_id + '\n' + res.toprettyxml()
-                return err_msg
+            res = ricci.process_batch(batch, True)
+            batch_id = res.getAttribute('batch_id')
             pass
         
+        
         elif action_type == 'Apply':
             # props
             props_xml = None
@@ -1274,51 +1185,10 @@
             module.appendChild(req)
             batch.appendChild(module)
             
-            res = ricci.process_batch(batch, False)
-            if res.getAttribute('status') != '0':
-                invalidate_storage_report(request.SESSION, storagename)
-                err_msg = 'Error modifying ' + mapper_id + '\n' + res.toprettyxml()
-                return err_msg
-            module_r = None
-            for node in res.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == 'module':
-                        module_r = node
-            if module_r == None:
-                raise 'missing <module/> in <batch/>'
-            if module_r.getAttribute('status') != '0':
-                raise 'error retrieving storage report'
-            resp_r = None
-            for node in module_r.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == RESPONSE_TAG:
-                        resp_r = node
-            if resp_r == None:
-                raise 'missing <response/> in <module/>'
-            fr_r = None
-            for node in resp_r.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == FUNC_RESP_TAG:
-                        fr_r = node
-            if fr_r == None:
-                raise 'missing <function_response/> in <response/>'
-            mapper_var = None
-            for node in fr_r.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == VARIABLE_TAG:
-                        if node.getAttribute('name') == 'mapper':
-                            mapper_var = node
-            if mapper_var == None:
-                raise 'missing <var name="mapper"/> in <function_response/>'
-            mapper_xml = None
-            for node in mapper_var.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == MAPPER_TYPE:
-                        mapper_xml = node.cloneNode(True)
-            path = mapper_xml.getAttribute('mapper_id')
+            res = ricci.process_batch(batch, True)
+            batch_id = res.getAttribute('batch_id')
             pass
-        pass
-    
+        
     
     
     elif object_type == 'mapper_template':
@@ -1388,51 +1258,10 @@
             module.appendChild(req)
             batch.appendChild(module)
             
-            res = ricci.process_batch(batch, False)
-            if res.getAttribute('status') != '0':
-                invalidate_storage_report(request.SESSION, storagename)
-                err_msg = 'Error creating new ' + mapper_type + '\n' + res.toprettyxml()
-                return err_msg
-            module_r = None
-            for node in res.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == 'module':
-                        module_r = node
-            if module_r == None:
-                raise 'missing <module/> in <batch/>'
-            if module_r.getAttribute('status') != '0':
-                raise 'error retrieving storage report'
-            resp_r = None
-            for node in module_r.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == RESPONSE_TAG:
-                        resp_r = node
-            if resp_r == None:
-                raise 'missing <response/> in <module/>'
-            fr_r = None
-            for node in resp_r.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == FUNC_RESP_TAG:
-                        fr_r = node
-            if fr_r == None:
-                raise 'missing <function_response/> in <response/>'
-            mapper_var = None
-            for node in fr_r.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == VARIABLE_TAG:
-                        if node.getAttribute('name') == 'mapper':
-                            mapper_var = node
-            if mapper_var == None:
-                raise 'missing <var name="mapper"/> in <function_response/>'
-            mapper_xml = None
-            for node in mapper_var.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == 'mapper':
-                        mapper_xml = node.cloneNode(True)
-            mapper_id = mapper_xml.getAttribute('mapper_id')
+            res = ricci.process_batch(batch, True)
+            batch_id = res.getAttribute('batch_id')
             pass
-        pass
-    
+        
     
     
     
@@ -1470,88 +1299,129 @@
             module.appendChild(req)
             batch.appendChild(module)
             
-            #return batch.toprettyxml()
-            
-            res = ricci.process_batch(batch, False)
-            if res.getAttribute('status') != '0':
-                invalidate_storage_report(request.SESSION, storagename)
-                err_msg = 'Error adding sources to ' + mapper_type + ' ' + mapper_id + '\n' + res.toprettyxml()
-                return err_msg
-            module_r = None
-            for node in res.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == 'module':
-                        module_r = node
-            if module_r == None:
-                raise 'missing <module/> in <batch/>'
-            if module_r.getAttribute('status') != '0':
-                raise 'error retrieving storage report'
-            resp_r = None
-            for node in module_r.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == RESPONSE_TAG:
-                        resp_r = node
-            if resp_r == None:
-                raise 'missing <response/> in <module/>'
-            fr_r = None
-            for node in resp_r.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == FUNC_RESP_TAG:
-                        fr_r = node
-            if fr_r == None:
-                raise 'missing <function_response/> in <response/>'
-            mapper_var = None
-            for node in fr_r.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == VARIABLE_TAG:
-                        if node.getAttribute('name') == 'mapper':
-                            mapper_var = node
-            if mapper_var == None:
-                raise 'missing <var name="mapper"/> in <function_response/>'
-            mapper_xml = None
-            for node in mapper_var.childNodes:
-                if node.nodeType == xml.dom.Node.ELEMENT_NODE:
-                    if node.nodeName == 'mapper':
-                        mapper_xml = node.cloneNode(True)
-            mapper_id = mapper_xml.getAttribute('mapper_id')
+            res = ricci.process_batch(batch, True)
+            batch_id = res.getAttribute('batch_id')
             pass
         pass
     
     
-    
-    
-    
-    
-    invalidate_storage_report(request.SESSION, storagename)
-    
-    goto_url = main_URL + '?storagename=' + storagename
-    if object_type == 'bd_template':
-        goto_url += '&pagetype=' + VIEW_BD
-        goto_url += '&' + PT_PATH + '=' + path
-    elif object_type == 'bd':
-        if action_type == 'Remove':
-            goto_url += '&pagetype=' + VIEW_MAPPER
-        else:
-            goto_url += '&pagetype=' + VIEW_BD
-            goto_url += '&' + PT_PATH + '=' + request[PT_PATH]
-    elif object_type == 'mapper':
-        if action_type == 'Remove':
-            goto_url += '&pagetype=' + VIEW_MAPPERS
+    if batch_id == '':
+        raise 'unsupported function'
+    else:
+        invalidate_storage_report(request.SESSION, storagename)
+        return batch_id;
+
+
+def get_storage_batch_result(self, 
+                             storagename, 
+                             ricci, 
+                             index_html_URL, 
+                             batch_id):
+    error     = True               # ricci reported failure or no ricci
+    completed = False              # no batch, or batch done (defined if no error)
+    url       = index_html_URL     # redirect URL
+    msg       = 'Unknown error occured'
+    
+    if ricci == None:
+        # ricci down
+        error   = True
+        url     = url
+        msg     = 'Unable to contact ' + storagename
+    else:
+        batch = 'no batch'
+        try:
+            batch = ricci.batch_report(batch_id)
+        except:
+            pass
+        if batch == 'no batch':
+            error = True
+            url   = url
+            msg   = 'Ricci on ' + storagename + ' responded with error. No detailed info available.'
+        elif batch == None:
+            # no such batch
+            error     = False
+            completed = True
+            url      += '?' + STONAME + '=' + storagename + '&' + PAGETYPE + '=' + STORAGE
+            msg       = 'No such batch'
         else:
-            goto_url += '&pagetype=' + VIEW_MAPPER
-    elif object_type == 'mapper_template':
-        goto_url += '&pagetype=' + VIEW_MAPPER
-    elif object_type == 'add_sources':
-        goto_url += '&pagetype=' + VIEW_MAPPER
-    goto_url += '&' + PT_MAPPER_TYPE  + '=' + mapper_type
-    goto_url += '&' + PT_MAPPER_ID  + '=' + mapper_id
-    redirect_html = '<head>\n'
-    redirect_html += ' <meta http-equiv="Refresh" content="0;url=' + goto_url + '"/>\n'
-    redirect_html += '</head>\n'
-    redirect_html += '<body>\n'
-    #redirect_html += 'Reloading Storage Info...\n'
-    redirect_html += '</body>'
-    return redirect_html
+            DEFAULT_ERROR = 'extract_module_status() failed'
+            code, err_msg = DEFAULT_ERROR, ''
+            try:
+                code, err_msg = extract_module_status(batch, 1)
+            except:
+                pass
+            if code == DEFAULT_ERROR:
+                error = True
+                url  += '?' + STONAME + '=' + storagename + '&' + PAGETYPE + '=' + STORAGE
+                msg   = 'Ricci on ' + storagename + ' sent malformed response'
+            elif code == -101 or code == -102:
+                # in progress
+                error     = False
+                completed = False
+                msg   = 'Task still in progress'
+            elif code == -103:
+                # module removed from scheduler
+                error = True
+                url  += '?' + STONAME + '=' + storagename + '&' + PAGETYPE + '=' + STORAGE
+                msg   = 'Ricci on ' + storagename + ' removed request from scheduler. File bug report against ricci.' 
+            elif code == -104:
+                # module failure
+                error = True
+                url  += '?' + STONAME + '=' + storagename + '&' + PAGETYPE + '=' + STORAGE
+                msg   = 'Ricci on ' + storagename + ' failed to execute storage module; reinstall it.'
+            elif code == -2:
+                # API error
+                error = True
+                url  += '?' + STONAME + '=' + storagename + '&' + PAGETYPE + '=' + STORAGE
+                msg   = 'Luci server used invalid API to communicate with ' + storagename + '. File a bug report against luci.'
+            elif code == -1:
+                # undefined error
+                error = True
+                url  += '?' + STONAME + '=' + storagename + '&' + PAGETYPE + '=' + STORAGE
+                msg   = 'Reason for failure (as reported by ' + storagename + '): ' + err_msg
+            elif code == 0:
+                # no error
+                error     = False
+                completed = True
+                # TODO: implement proper redirect
+                url       = get_commit_redirect(url,
+                                                storagename,
+                                                batch)
+                msg       = 'Done successfully'
+            elif code == 1:
+                # mid-air
+                error  = True
+                url   += '?' + STONAME + '=' + storagename + '&' + PAGETYPE + '=' + STORAGE
+                msg    = 'Mid-Air collision (storage on ' + storagename + ' has changed since last probe). '
+            elif code == 2:
+                # validation error
+                error  = True
+                url   += '?' + STONAME + '=' + storagename + '&' + PAGETYPE + '=' + STORAGE
+                msg    = 'Validation error. File bug report against Luci.'
+            elif code == 3:
+                # unmount error
+                error  = True
+                url   += '?' + STONAME + '=' + storagename + '&' + PAGETYPE + '=' + STORAGE
+                msg    = 'Unmount failure: ' + err_msg
+            elif code == 4:
+                # clvmd error
+                error  = True
+                url   += '?' + STONAME + '=' + storagename + '&' + PAGETYPE + '=' + STORAGE
+                msg    = 'clvmd (clustered LVM daemon) is not running on ' + storagename + '. Start it and try again.'
+            elif code == 5:
+                # not quorate
+                error  = True
+                url   += '?' + STONAME + '=' + storagename + '&' + PAGETYPE + '=' + STORAGE
+                msg    = 'Cluster quorum is required, and yet cluster is not quorate. Start cluster, and try again.'
+            elif code > 5:
+                error  = True
+                url   += '?' + STONAME + '=' + storagename + '&' + PAGETYPE + '=' + STORAGE
+                msg    = err_msg
+    
+    return {'error'        : error,
+            'completed'    : completed,
+            'redirect_url' : url,
+            'msg'          : msg}
 
 
 
@@ -1561,6 +1431,74 @@
 
 
 
+def get_commit_redirect(main_url, 
+                        storagename, 
+                        batch_xml):
+    module_r = None
+    for node in batch_xml.childNodes:
+        if node.nodeType == xml.dom.Node.ELEMENT_NODE:
+            if node.nodeName == 'module':
+                module_r = node
+    if module_r == None:
+        raise 'missing <module/> in <batch/>'
+    resp_r = None
+    for node in module_r.childNodes:
+        if node.nodeType == xml.dom.Node.ELEMENT_NODE:
+            if node.nodeName == RESPONSE_TAG:
+                resp_r = node
+    if resp_r == None:
+        raise 'missing <response/> in <module/>'
+    fr_r = None
+    for node in resp_r.childNodes:
+        if node.nodeType == xml.dom.Node.ELEMENT_NODE:
+            if node.nodeName == FUNC_RESP_TAG:
+                fr_r = node
+    if fr_r == None:
+        raise 'missing <function_response/> in <response/>'
+    vars = {}
+    for node in fr_r.childNodes:
+        try:
+            var = parse_variable(node)
+            vars[var.get_name()] = var
+        except:
+            pass
+        pass
+    
+    
+    mapper_id   = ''
+    mapper_type = ''
+    bd_path     = ''
+    if 'mapper' in vars:
+        mapper      = vars['mapper'].get_value()
+        mapper_type = mapper.getAttribute('mapper_type')
+        mapper_id   = mapper.getAttribute('mapper_id')
+    if 'bd' in vars:
+        bd          = vars['bd'].get_value()
+        bd_path     = bd.getAttribute('path')
+        mapper_type = bd.getAttribute('mapper_type')
+        mapper_id   = bd.getAttribute('mapper_id')
+    
+    url  = main_url + '?'
+    url += STONAME + '=' + storagename
+    if mapper_type != '':
+        url += '&' + PT_MAPPER_TYPE + '=' + mapper_type
+    if mapper_id != '':
+        url += '&' + PT_MAPPER_ID + '=' + mapper_id
+    if bd_path != '':
+        url += '&' + PT_PATH + '=' + bd_path
+    
+    if mapper_type == '':
+        url += '&' + PAGETYPE + '=' + STORAGE
+    elif bd_path != '':
+        url += '&' + PAGETYPE + '=' + VIEW_BD
+    else:
+        url += '&' + PAGETYPE + '=' + VIEW_MAPPER
+    
+    return url
+                        
+                        
+
+
 def get_bd_data_internal(session, bd_xml, mapper_xml):
     data = {}
     
--- conga/luci/site/luci/Extensions/Variable.py	2006/10/16 04:26:19	1.3
+++ conga/luci/site/luci/Extensions/Variable.py	2006/10/16 07:39:27	1.4
@@ -49,12 +49,12 @@
         value = []
         for kid in node.childNodes:
             if kid.nodeType == xml.dom.Node.ELEMENT_NODE:
-                value.append(kid)
+                value.append(kid.cloneNode(True))
         return VariableList(attrs_dir['name'], value, mods, VARIABLE_TYPE_LIST_XML)
     elif attrs_dir['type'] == VARIABLE_TYPE_XML:
         for kid in node.childNodes:
             if kid.nodeType == xml.dom.Node.ELEMENT_NODE:
-                value = kid
+                value = kid.cloneNode(True)
                 break
     elif attrs_dir['type'] == VARIABLE_TYPE_INT:
         value = int(attrs_dir['value'])
--- conga/luci/site/luci/Extensions/ricci_communicator.py	2006/10/16 04:26:19	1.8
+++ conga/luci/site/luci/Extensions/ricci_communicator.py	2006/10/16 07:39:27	1.9
@@ -297,7 +297,7 @@
 #          -102 - scheduled
 #          -103 - removed from schedule
 #          -104 - failed to execute module
-#
+# 
 #          >-3  - module executed. Following codes are defined:
 #             -2   - API error
 #             -1   - undefined error occured (msg not necesarily very informative)
/cvs/cluster/conga/luci/storage/check-batch,v  -->  standard output
revision 1.1
--- conga/luci/storage/check-batch
+++ -	2006-10-16 07:39:28.551973000 +0000
@@ -0,0 +1,60 @@
+<span tal:omit-tag="" 
+      tal:define="global storagename request/storagename; 
+                  global batch_id    request/batch_id"/>
+<span tal:omit-tag="" 
+      tal:define="stosystemss                   context/systems/storage/objectItems; 
+                  global allowed_systems        python:here.allowed_systems(user, stosystemss); 
+                  global access_to_host_allowed python:here.access_to_host_allowed(storagename, allowed_systems)"/>
+<span tal:omit-tag="" 
+      tal:define="global ricci  python:here.get_ricci_communicator(storagename, allowed_systems)"/>
+
+
+
+<span tal:omit-tag=""
+      tal:condition="not: access_to_host_allowed">
+FAILURE
+<span tal:replace="structure context/storage/index_html/absolute_url"/>
+You are not authorized to modify storage system <span tal:replace="structure storagename"/>!!!
+</span>
+
+
+<span tal:omit-tag=""
+      tal:condition="access_to_host_allowed">
+ <span tal:omit-tag=""
+       tal:define="index_html_URL   context/storage/index_html/absolute_url;
+                   dummy            python:here.get_storage_batch_result(storagename, ricci, index_html_URL, batch_id);
+                   error            dummy/error; 
+                   completed        dummy/completed; 
+                   redirect_url     dummy/redirect_url; 
+                   msg              dummy/msg">
+  
+  <span tal:omit-tag=""
+        tal:condition="not: error">
+   <span tal:omit-tag=""
+         tal:condition="completed">
+DONE
+<span tal:replace="structure redirect_url"/>
+<span tal:replace="structure msg"/>
+   </span>
+
+   <span tal:omit-tag=""
+         tal:condition="not: completed">
+NOT_DONE
+<span tal:replace="structure redirect_url"/>
+<span tal:replace="structure msg"/>
+   </span>
+  </span>
+
+
+  <span tal:omit-tag=""
+        tal:condition="error">
+FAILURE
+<span tal:replace="structure redirect_url"/>
+<span tal:replace="structure msg"/>
+  </span>
+
+
+
+
+ </span>
+</span>
--- conga/luci/storage/form-macros	2006/10/15 22:34:54	1.14
+++ conga/luci/storage/form-macros	2006/10/16 07:39:27	1.15
@@ -99,6 +99,87 @@
 
 
 <div metal:define-macro="commit-changes">
+   <span tal:omit-tag="" 
+        tal:define="batch_id     python:here.apply(ricci, storage_report, request); 
+                    check_URL    context/storage/check-batch/absolute_url; 
+                    check_url    python:check_URL + '?storagename=' + storagename + '&batch_id=' + batch_id">
+   <div metal:use-macro="here/form-macros/macros/display-commiting-changes"/>
+   <form id="urls_form">
+    <input tal:attributes="type  string:hidden;
+                           name  string:check_url;
+                           value check_url"/>
+   </form>
+  </span>
+
+
+<script language="javascript" type="text/javascript">
+
+function strip_left(txt) {
+   for (i=0; i<txt.length; i++) {
+      if (txt[i] == " " || txt[i] == "\n")
+         continue;
+      return txt.substr(i);
+   }
+   return txt;
+}
+function check_batch_callback() {
+  if (xmlHttp_object.readyState == 4) {
+    var err_url = (window.location + '').split("?")[1].split("&");
+    for (i=0; i<err_url.length; i++) {
+      var t = err_url[i];
+      if (t.indexOf("storagename=") == 0) {
+        err_url = './?' + t + '&pagetype=44';
+        break;
+      }
+    }
+    if (xmlHttp_object.status == 200) {
+      var msg = xmlHttp_object.responseText;
+      msg = strip_left(msg);
+      var res = msg.split('\n');
+      if (res[0] == "DONE") {
+         window.location = res[1];
+      } else if (res[0] == "NOT_DONE") {
+         setTimeout("initiate_check_batch()", 3000);
+      } else {
+         var m = '';
+         if (res[0] == "FAILURE") {
+           err_url = res[1];
+           m = res[2];
+         } else {
+           m = msg;
+         }
+         alert('An error has occured while commiting changes:\n\n' + m);
+         window.location = err_url;
+      }
+    } else {
+      alert("Error retrieving data from Luci server:\n\nTransfer error:\nStorage server might (not) have completed successfuly.\nVerify by yourself.");
+      window.location = err_url;
+    }
+  }
+}
+function initiate_check_batch() {
+  form = document.getElementById("urls_form");
+  for (i=0; i<form.length; i++) {
+    elem = form.elements[i];
+    name = elem.name;
+    value = elem.value;
+    if (name == 'check_url') {
+      initiate_async_get(value, check_batch_callback);
+      return;
+    }
+  }
+}
+setTimeout("initiate_check_batch()", 1000);
+
+</script>
+
+</div>
+
+
+
+
+
+<div metal:define-macro="display-commiting-changes">
    <table style="width: 100%;">
     <tr>
      <td align="center">
@@ -111,11 +192,6 @@
      </td>
     </tr>
    </table>
-
-  <span tal:define="main_URL context/storage/index_html/absolute_url" 
-        tal:replace="structure python:here.apply(ricci, storage_report, request, main_URL)">
-   here.apply() response
-  </span>
 </div>
 
 


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