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Adds a new attribute (from the POLL string) to the VM template. It replaces the

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attribute if it already exists. 


git-svn-id: http://svn.opennebula.org/trunk@65 3034c82b-c49b-4eb3-8279-a7acafdc01c0
This commit is contained in:
Rubén S. Montero 2008-07-20 22:41:20 +00:00
parent 537a7058d5
commit a08d1c2d06
5 changed files with 111 additions and 3 deletions
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8
include/TemplateSQL.h
View File

@ -85,6 +85,14 @@ protected:
* @param db pointer to the database.
*/
int drop(SqliteDB *db);
/**
* Removes a template attribute from the DB (ONLY SINGLE ATTRIBUTES)
* @param db pointer to the database.
* @param name of the attribute.
* @param value of the new attribute.
*/
int replace_attribute(SqliteDB * db, string& name, string& value);
};
/* -------------------------------------------------------------------------- */

16
include/VirtualMachine.h
View File

@ -750,6 +750,22 @@ private:
return -1;
};
/**
* Updates the template of a VM, adding a new attribute (replacing it if
* already defined), the vm's mutex SHOULD be locked
* @param vm pointer to the virtual machine object
* @param name of the new attribute
* @param value of the new attribute
* @return 0 on success
*/
int update_template_attribute(
SqliteDB * db,
string& name,
string& value)
{
return vm_template.replace_attribute(db,name,value);
}
protected:
//**************************************************************************

16
include/VirtualMachinePool.h
View File

@ -86,6 +86,22 @@ public:
// Virtual Machine DB access functions
//--------------------------------------------------------------------------
/**
* Updates the template of a VM, adding a new attribute (replacing it if
* already defined), the vm's mutex SHOULD be locked
* @param vm pointer to the virtual machine object
* @param name of the new attribute
* @param value of the new attribute
* @return 0 on success
*/
int update_template_attribute(
VirtualMachine * vm,
string& name,
string& value)
{
return vm->update_template_attribute(db,name,value);
}
/**
* Updates the history record of a VM, the vm's mutex SHOULD be locked
* @param vm pointer to the virtual machine object

61
src/template/TemplateSQL.cc
View File

@ -241,3 +241,64 @@ int TemplateSQL::drop(SqliteDB * db)
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
int TemplateSQL::replace_attribute(
SqliteDB * db,
string& name,
string& value)
{
ostringstream oss;
int rc;
multimap<string, Attribute *>::const_iterator i;
Attribute * attribute;
if ( id == -1 || name.empty() || name.empty() )
{
return -1;
}
i = attributes.find(name);
if ( i != attributes.end() ) //attribute exists
{
string * attr = i->second->marshall();
if ( attr != 0 )
{
oss << "DELETE FROM " << table << " WHERE id=" << id
<< " AND name='" << name << "' AND value='" << *attr << "'";
delete attr;
}
else
{
oss << "DELETE FROM " << table << " WHERE id=" << id
<< " AND name='" << name << "'";
}
rc = db->exec(oss);
if ( rc != 0 )
{
return rc;
}
attributes.erase(name);
}
attribute = new SingleAttribute(name,value);
attributes.insert(make_pair(attribute->name(),attribute));
oss.str("");
oss << "INSERT INTO " << table << " " << db_names
<< " VALUES (" << id << ",'" << name << "'," <<
Attribute::SIMPLE <<",'" << value << "')";
return db->exec(oss);
}
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */

9
src/vmm/VirtualMachineManagerDriver.cc
View File

@ -467,10 +467,17 @@ void VirtualMachineManagerDriver::protocol(
}
else
{
string val;
os.str("");
os << "Unknown monitoring attribute (ignored): " << tmp;
os << "Unknown monitoring attribute (adding/updating"
<< " template): " << tmp;
vm->log("VMM",Log::WARNING,os);
tiss >> val;
vmpool->update_template_attribute(vm,var,val);
}
}