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Date: Thu, 30 Nov 2017 08:38:01 +0000 (UTC)
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Subject: [jira] [Commented] (CLOUDSTACK-9586) When using local storage with
 Xenserver prepareTemplate does not work with multiple primary store
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archived-at: Thu, 30 Nov 2017 08:38:08 -0000


    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9586?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16272355#comment-16272355 ] 

ASF GitHub Bot commented on CLOUDSTACK-9586:
--------------------------------------------

rhtyd closed pull request #2342: CLOUDSTACK-9586: Adding local storage test
URL: https://github.com/apache/cloudstack/pull/2342
 
 
This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:

As this is a foreign pull request (from a fork), the diff is supplied
below (as it won't show otherwise due to GitHub magic):

diff --git a/test/integration/component/test_secsr_mount.py b/test/integration/component/test_secsr_mount.py
new file mode 100644
index 00000000000..d19c36bf631
--- /dev/null
+++ b/test/integration/component/test_secsr_mount.py
@@ -0,0 +1,191 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+from __builtin__ import False
+""" Tests for Secondary Storage with Local Storage
+"""
+
+# Import Local Modules
+from marvin.cloudstackTestCase import *
+from marvin.cloudstackAPI import *
+from marvin.lib.utils import *
+from marvin.lib.base import *
+from marvin.lib.common import *
+from nose.plugins.attrib import attr
+
+_multiprocess_shared_ = False
+
+
+class TestSecSRMount(cloudstackTestCase):
+
+    def setUp(self):
+        self.logger = logging.getLogger('TestSecSRMount')
+        self.stream_handler = logging.StreamHandler()
+        self.logger.setLevel(logging.DEBUG)
+        self.logger.addHandler(self.stream_handler)
+        self.apiclient = self.testClient.getApiClient()
+        self.hypervisor = self.testClient.getHypervisorInfo()
+        self.dbclient = self.testClient.getDbConnection()
+        self.services = self.testClient.getParsedTestDataConfig()
+        self.zone = get_zone(self.apiclient, self.testClient.getZoneForTests())
+        self.pod = get_pod(self.apiclient, self.zone.id)
+        self.cleanup = []
+        self.services = {
+                            "service_offering_local": {
+                                "name": "Ultra Tiny Local Instance",
+                                "displaytext": "Ultra Tiny Local Instance",
+                                "cpunumber": 1,
+                                "cpuspeed": 100,
+                                "memory": 128,
+                                "storagetype": "local"
+                            },
+                            "vm": {
+                                "username": "root",
+                                "password": "password",
+                                "ssh_port": 22,
+                                # Hypervisor type should be same as
+                                # hypervisor type of cluster
+                                "privateport": 22,
+                                "publicport": 22,
+                                "protocol": 'TCP',
+                            },
+                         "ostype": 'CentOS 5.3 (64-bit)',
+                         "sleep": 30,
+                         "timeout": 10,
+                         }
+
+    def tearDown(self):
+        try:
+            # Clean up, terminate the created templates
+            cleanup_resources(self.apiclient, self.cleanup)
+
+        except Exception as e:
+            raise Exception("Warning: Exception during cleanup : %s" % e)
+
+        return
+
+    def isOnlyLocalStorageAvailable(self):
+        if not self.zone.localstorageenabled:
+            self.skipTest("Local Storage not enabled")
+        
+        storage_pools = StoragePool.list(
+                   self.apiclient,
+                   zoneid=self.zone.id,
+                   listall=True
+                    )
+        self.assertEqual(
+                           isinstance(storage_pools, list),
+                           True,
+                           "Check if listStoragePools returns a valid response"
+                           )
+        for storage_pool in storage_pools:
+            if storage_pool.type == u'NetworkFilesystem':
+                return False
+            
+        return True
+
+    def download(self, apiclient, template_id, retries=12, interval=5):
+        """Check if template download will finish in 1 minute"""
+        while retries > -1:
+            time.sleep(interval)
+            template_response = Template.list(
+                apiclient,
+                id=template_id,
+                zoneid=self.zone.id,
+                templatefilter='self'
+            )
+
+            if isinstance(template_response, list):
+                template = template_response[0]
+                if not hasattr(template, 'status') or not template or not template.status:
+                    retries = retries - 1
+                    continue
+
+                # If template is ready,
+                # template.status = Download Complete
+                # Downloading - x% Downloaded
+                # if Failed
+                # Error - Any other string
+                if 'Failed' in template.status:
+                    raise Exception(
+                        "Failed to download template: status - %s" %
+                        template.status)
+
+                elif template.status == 'Download Complete' and template.isready:
+                    return
+
+                elif 'Downloaded' in template.status:
+                    retries = retries - 1
+                    continue
+
+                elif 'Installing' not in template.status:
+                    if retries >= 0:
+                        retries = retries - 1
+                        continue
+                    raise Exception(
+                        "Error in downloading template: status - %s" %
+                        template.status)
+
+            else:
+                retries = retries - 1
+        raise Exception("Template download failed exception.")
+
+    @attr(
+        tags=[
+            "advanced",
+            "xenserver"],
+        required_hardware="true")
+    def test_01_prepare_template_local_storage(self):
+    
+        if not self.isOnlyLocalStorageAvailable():
+            self.skipTest("Skipping this test as this is for Local storage on only.")
+        
+        listHost = Host.list(
+            self.apiclient,
+            type='Routing',
+            zoneid=self.zone.id,
+            podid=self.pod.id,
+        )
+        for host in listHost:
+            self.logger.debug('Host id %s, hypervisor %s, localstorage %s' % (host.id, host.hypervisor, host.islocalstorageactive))
+                  
+        if len(listHost) < 2:
+            self.logger.debug("Prepare secondary storage race condition can be tested with two or more host only %s, found" % len(listHost));
+            self.skipTest("Prepare secondary storage can be tested with two host only %s, found" % len(listHost))
+        
+        list_template_response = Template.list(
+                                            self.apiclient,
+                                            templatefilter='all',
+                                            zoneid=self.zone.id)
+        
+        template_response = list_template_response[0]
+        
+        self.logger.debug('Template id %s is Ready %s' % (template_response.id, template_response.isready))
+        
+        if template_response.isready != True:
+            self.skipTest('Template id %s is Not Ready' % (template_response.id))
+
+        try:
+            cmd = prepareTemplate.prepareTemplateCmd()
+            cmd.zoneid = self.zone.id
+            cmd.templateid = template_response.id
+            result = self.apiclient.prepareTemplate(cmd)
+            self.logger.debug('Prepare Template result %s' % result)
+        except Exception as e:
+           raise Exception("Warning: Exception during prepare template : %s" % e)
+
+        self.download(self.apiclient, template_response.id)
+        return


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> When using local storage with Xenserver prepareTemplate does not work with multiple primary store
> -------------------------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-9586
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9586
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Secondary Storage, XenServer
>    Affects Versions: 4.5.2
>         Environment: XenServer 6.5 SP1
> Local Storage
>            Reporter: Abhinandan Prateek
>            Assignee: Abhinandan Prateek
>            Priority: Critical
>             Fix For: 4.9.1.0, 4.8.2.0, 4.10.1.0
>
>
> 2016-11-09 15:05:15,876 DEBUG [c.c.h.x.r.XenServerStorageProcessor] (DirectAgent-29:ctx-8d890b55) Failed to destroy pbd
> SR_BACKEND_FAILURE_40The SR scan failed  [opterr=['INTERNAL_ERROR', 'Db_exn.Uniqueness_constraint_violation("VDI", "uuid", "703f59ca-6e5e-38d3-bbef-707b5b14c704")']]
> 	at com.xensource.xenapi.Types.checkResponse(Types.java:2021)
> 	at com.xensource.xenapi.Connection.dispatch(Connection.java:395)
> 	at com.cloud.hypervisor.xenserver.resource.XenServerConnectionPool$XenServerConnection.dispatch(XenServerConnectionPool.java:462)
> 	at com.xensource.xenapi.SR.scan(SR.java:1257)
> 	at com.cloud.hypervisor.xenserver.resource.Xenserver625StorageProcessor.createFileSR(Xenserver625StorageProcessor.java:113)
> 	at com.cloud.hypervisor.xenserver.resource.Xenserver625StorageProcessor.createFileSr(Xenserver625StorageProcessor.java:139)
> 	at com.cloud.hypervisor.xenserver.resource.Xenserver625StorageProcessor.copyTemplateToPrimaryStorage(Xenserver625StorageProcessor.java:173)
> Root Cause: CloudPlatform creates a SR on each host, which points to the template location on the secondary storage (secondary_Storage/template/tmpl/<account_id>/<template_id>). This causes the database unique constraint violation when each XenServer tries to scan the SR created on each host. The host that scans the SR last, throws the exception because VDI was recognized already from the SR scan of the first host.


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