Liran Zelkha has uploaded a new change for review.

Change subject: restapi: Remove dynamic search from VmPool
......................................................................

restapi: Remove dynamic search from VmPool

Dynamic search is extremely slow. This patch removes the usage of
dynamic search from the VmPool Rest API.

Change-Id: Ife6adfdca7d32aee3eba6a7e7da49d718ddee60f
Signed-off-by: [email protected] <[email protected]>
---
A 
backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/GetVmDataByPoolNameQuery.java
M 
backend/manager/modules/common/src/main/java/org/ovirt/engine/core/common/queries/VdcQueryType.java
M 
backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VmPoolDAO.java
M 
backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VmPoolDAODbFacadeImpl.java
M 
backend/manager/modules/restapi/jaxrs/src/main/java/org/ovirt/engine/api/restapi/resource/BackendVmPoolsResource.java
M packaging/dbscripts/vm_pools_sp.sql
6 files changed, 73 insertions(+), 7 deletions(-)


  git pull ssh://gerrit.ovirt.org:29418/ovirt-engine refs/changes/66/26066/1

diff --git 
a/backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/GetVmDataByPoolNameQuery.java
 
b/backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/GetVmDataByPoolNameQuery.java
new file mode 100644
index 0000000..4173449
--- /dev/null
+++ 
b/backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/GetVmDataByPoolNameQuery.java
@@ -0,0 +1,28 @@
+package org.ovirt.engine.core.bll;
+
+import org.ovirt.engine.core.common.businessentities.VM;
+import org.ovirt.engine.core.common.queries.NameQueryParameters;
+import org.ovirt.engine.core.dal.dbbroker.DbFacade;
+
+
+public class GetVmDataByPoolNameQuery<P extends NameQueryParameters> extends 
QueriesCommandBase<P> {
+
+    public GetVmDataByPoolNameQuery(P parameters) {
+        super(parameters);
+    }
+
+    @Override
+    protected void executeQueryCommand() {
+        VM vm = DbFacade.getInstance()
+                .getVmPoolDao()
+                .getVmDataFromPoolByPoolName(getParameters().getName(), 
getUserID(), getParameters().isFiltered());
+
+        if (vm != null) {
+            VmHandler.updateVmInitFromDB(vm.getStaticData(), true);
+        }
+
+        getQueryReturnValue().setReturnValue(vm);
+
+
+    }
+}
diff --git 
a/backend/manager/modules/common/src/main/java/org/ovirt/engine/core/common/queries/VdcQueryType.java
 
b/backend/manager/modules/common/src/main/java/org/ovirt/engine/core/common/queries/VdcQueryType.java
index 3a42d45..7b9c47a 100644
--- 
a/backend/manager/modules/common/src/main/java/org/ovirt/engine/core/common/queries/VdcQueryType.java
+++ 
b/backend/manager/modules/common/src/main/java/org/ovirt/engine/core/common/queries/VdcQueryType.java
@@ -144,6 +144,7 @@
     GetAllVmsAndVmPools(VdcQueryAuthType.User),
     IsVmPoolWithSameNameExists,
     GetVmDataByPoolId(VdcQueryAuthType.User),
+    GetVmDataByPoolName(VdcQueryAuthType.User),
 
     // Tags queries
     GetAllTags,
diff --git 
a/backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VmPoolDAO.java
 
b/backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VmPoolDAO.java
index b334bde..f51fbac 100644
--- 
a/backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VmPoolDAO.java
+++ 
b/backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VmPoolDAO.java
@@ -117,4 +117,16 @@
      * @return a single VM from the pool
      */
     VM getVmDataFromPoolByPoolGuid(Guid vmPoolId, Guid userID, boolean 
isFiltered);
+
+    /**
+     * Returns a single VM from the vm pool with the specified name, with 
optional filtering.
+     * @param vmPoolName
+     *            the vm pool name
+     * @param userID
+     *            the ID of the user requesting the information
+     * @param isFiltered
+     *            Whether the results should be filtered according to the 
user's permissions
+     * @return a single VM from the pool
+     */
+    VM getVmDataFromPoolByPoolName(String vmPoolNam, Guid userID, boolean 
isFiltered);
 }
diff --git 
a/backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VmPoolDAODbFacadeImpl.java
 
b/backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VmPoolDAODbFacadeImpl.java
index 524993a..ce86f5d 100644
--- 
a/backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VmPoolDAODbFacadeImpl.java
+++ 
b/backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VmPoolDAODbFacadeImpl.java
@@ -213,4 +213,11 @@
                 .addValue("pool_id", vmPoolId).addValue("user_id", 
userID).addValue("is_filtered", isFiltered);
         return getCallsHandler().executeRead("GetVmDataFromPoolByPoolId", 
VMRowMapper.instance, parameterSource);
     }
+
+    @Override
+    public VM getVmDataFromPoolByPoolName(String vmPoolNam, Guid userID, 
boolean isFiltered) {
+        MapSqlParameterSource parameterSource = 
getCustomMapSqlParameterSource()
+                .addValue("pool_name", vmPoolNam).addValue("user_id", 
userID).addValue("is_filtered", isFiltered);
+        return getCallsHandler().executeRead("GetVmDataFromPoolByPoolName", 
VMRowMapper.instance, parameterSource);
+    }
 }
diff --git 
a/backend/manager/modules/restapi/jaxrs/src/main/java/org/ovirt/engine/api/restapi/resource/BackendVmPoolsResource.java
 
b/backend/manager/modules/restapi/jaxrs/src/main/java/org/ovirt/engine/api/restapi/resource/BackendVmPoolsResource.java
index 794ae88..537531c 100644
--- 
a/backend/manager/modules/restapi/jaxrs/src/main/java/org/ovirt/engine/api/restapi/resource/BackendVmPoolsResource.java
+++ 
b/backend/manager/modules/restapi/jaxrs/src/main/java/org/ovirt/engine/api/restapi/resource/BackendVmPoolsResource.java
@@ -13,7 +13,6 @@
 import org.ovirt.engine.core.common.action.AddVmPoolWithVmsParameters;
 import org.ovirt.engine.core.common.action.VdcActionType;
 import org.ovirt.engine.core.common.action.VmPoolParametersBase;
-import org.ovirt.engine.core.common.businessentities.VDSGroup;
 import org.ovirt.engine.core.common.businessentities.VM;
 import org.ovirt.engine.core.common.businessentities.VmDynamic;
 import org.ovirt.engine.core.common.businessentities.VmPoolType;
@@ -23,6 +22,7 @@
 import org.ovirt.engine.core.common.interfaces.SearchType;
 import org.ovirt.engine.core.common.queries.GetVmTemplateParameters;
 import org.ovirt.engine.core.common.queries.IdQueryParameters;
+import org.ovirt.engine.core.common.queries.NameQueryParameters;
 import org.ovirt.engine.core.common.queries.VdcQueryParametersBase;
 import org.ovirt.engine.core.common.queries.VdcQueryType;
 import org.ovirt.engine.core.compat.Guid;
@@ -110,7 +110,10 @@
                          new IdQueryParameters(asGuid(model.getId())),
                          model.getId());
         }
-        return getEntity(VM.class, SearchType.VM, "Vms: pool=" + 
model.getName());
+        return getEntity(VM.class,
+                VdcQueryType.GetVmDataByPoolName,
+                new NameQueryParameters(model.getName()),
+                "Vms: pool=" + model.getName());
     }
 
     protected VM mapToVM(VmPool model, VmTemplate template) {
@@ -135,9 +138,10 @@
     }
 
     protected String getClusterId(VmPool pool) {
-        return getEntity(VDSGroup.class,
-                         SearchType.Cluster,
-                         "Cluster: name=" + 
pool.getCluster().getName()).getId().toString();
+        return getEntity(VM.class,
+                VdcQueryType.GetVdsGroupByName,
+                new NameQueryParameters(pool.getCluster().getName()),
+                "Cluster: name=" + 
pool.getCluster().getName()).getId().toString();
     }
 
     protected boolean namedTemplate(VmPool pool) {
@@ -152,8 +156,9 @@
                              pool.getTemplate().getId());
         } else {
             return getEntity(VmTemplate.class,
-                             SearchType.VmTemplate,
-                             "Template: name=" + pool.getTemplate().getName());
+                    VdcQueryType.GetVmTemplate,
+                    new GetVmTemplateParameters(pool.getTemplate().getName()),
+                    "Template: name=" + pool.getTemplate().getName());
         }
     }
 
diff --git a/packaging/dbscripts/vm_pools_sp.sql 
b/packaging/dbscripts/vm_pools_sp.sql
index e70d5f3..70c2c41 100644
--- a/packaging/dbscripts/vm_pools_sp.sql
+++ b/packaging/dbscripts/vm_pools_sp.sql
@@ -248,3 +248,16 @@
 END; $procedure$
 LANGUAGE plpgsql;
 
+CREATE OR REPLACE FUNCTION GetVmDataFromPoolByPoolName(v_pool_name 
VARCHAR(4000), v_user_id uuid, v_is_filtered boolean)
+  RETURNS SETOF vms STABLE AS $procedure$
+BEGIN
+     RETURN QUERY SELECT vms.*
+     FROM vms WHERE vm_pool_name = v_pool_name
+     AND (NOT v_is_filtered OR EXISTS (SELECT 1
+                                       FROM   user_vm_pool_permissions_view
+                                       WHERE  user_id = v_user_id AND 
entity_id = v_pool_id))
+     -- Limiting results to 1 since we only need a single VM from the pool to 
retrieve the pool data
+     LIMIT 1;
+END; $procedure$
+LANGUAGE plpgsql;
+


-- 
To view, visit http://gerrit.ovirt.org/26066
To unsubscribe, visit http://gerrit.ovirt.org/settings

Gerrit-MessageType: newchange
Gerrit-Change-Id: Ife6adfdca7d32aee3eba6a7e7da49d718ddee60f
Gerrit-PatchSet: 1
Gerrit-Project: ovirt-engine
Gerrit-Branch: master
Gerrit-Owner: Liran Zelkha <[email protected]>
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