/******************************************************************************
* *
* Function: op_group_del *
* *
* Purpose: delete group from discovered host *
* *
* Parameters: event - [IN] event data *
* groupid - [IN] group identificator from database *
* *
* Author: Alexei Vladishev *
* *
******************************************************************************/
void op_group_del(DB_EVENT *event, zbx_uint64_t groupid)
{
const char *__function_name = "op_group_del";
zbx_uint64_t hostid;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
if (event->source != EVENT_SOURCE_DISCOVERY)
return;
if (event->object != EVENT_OBJECT_DHOST && event->object != EVENT_OBJECT_DSERVICE)
return;
if (0 == (hostid = select_discovered_host(event)))
return;
DBexecute(
"delete from hosts_groups"
" where hostid=" ZBX_FS_UI64
" and groupid=" ZBX_FS_UI64,
hostid,
groupid);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: op_host_del *
* *
* Purpose: delete host *
* *
* Author: Eugene Grigorjev *
* *
******************************************************************************/
void op_host_del(const DB_EVENT *event)
{
const char *__function_name = "op_host_del";
zbx_vector_uint64_t hostids;
zbx_uint64_t hostid;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
if (event->source != EVENT_SOURCE_DISCOVERY)
return;
if (event->object != EVENT_OBJECT_DHOST && event->object != EVENT_OBJECT_DSERVICE)
return;
if (0 == (hostid = select_discovered_host(event)))
return;
zbx_vector_uint64_create(&hostids);
zbx_vector_uint64_append(&hostids, hostid);
DBdelete_hosts(&hostids);
zbx_vector_uint64_destroy(&hostids);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: op_groups_del *
* *
* Purpose: delete groups from discovered host *
* *
* Parameters: event - [IN] event data *
* groupids - [IN] IDs of groups to delete *
* *
* Author: Alexei Vladishev *
* *
******************************************************************************/
void op_groups_del(const DB_EVENT *event, zbx_vector_uint64_t *groupids)
{
const char *__function_name = "op_groups_del";
DB_RESULT result;
zbx_uint64_t hostid;
char *sql = NULL;
size_t sql_alloc = 256, sql_offset = 0;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
if (event->source != EVENT_SOURCE_DISCOVERY)
return;
if (event->object != EVENT_OBJECT_DHOST && event->object != EVENT_OBJECT_DSERVICE)
return;
if (0 == (hostid = select_discovered_host(event)))
return;
sql = zbx_malloc(sql, sql_alloc);
/* make sure host belongs to at least one hostgroup */
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset,
"select groupid"
" from hosts_groups"
" where hostid=" ZBX_FS_UI64
" and not",
hostid);
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "groupid", groupids->values, groupids->values_num);
result = DBselectN(sql, 1);
if (NULL == DBfetch(result))
{
zabbix_log(LOG_LEVEL_WARNING, "cannot remove host \"%s\" from all host groups:"
" it must belong to at least one", zbx_host_string(hostid));
}
else
{
sql_offset = 0;
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset,
"delete from hosts_groups"
" where hostid=" ZBX_FS_UI64
" and",
hostid);
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "groupid", groupids->values, groupids->values_num);
DBexecute("%s", sql);
}
DBfree_result(result);
zbx_free(sql);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: op_template_del *
* *
* Purpose: unlink and clear host from template *
* *
* Parameters: event - [IN] event data *
* templateid - [IN] host template identificator from database *
* *
* Author: Eugene Grigorjev *
* *
******************************************************************************/
void op_template_del(DB_EVENT *event, zbx_uint64_t templateid)
{
const char *__function_name = "op_template_del";
zbx_uint64_t hostid;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
if (event->source != EVENT_SOURCE_DISCOVERY)
return;
if (event->object != EVENT_OBJECT_DHOST && event->object != EVENT_OBJECT_DSERVICE)
return;
if (0 == (hostid = select_discovered_host(event)))
return;
DBdelete_template_elements(hostid, templateid);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
