""""
This is thread that interacts with a VIM. It processes TASKs sequentially against a single VIM.
The tasks are stored at database in table vim_actions
-The task content is:
+The task content are (M: stored at memory, D: stored at database):
MD instance_action_id: reference a global action over an instance-scenario: database instance_actions
MD task_index: index number of the task. This with the previous are a key
MD datacenter_vim_id: should contain the uuid of the VIM managed by this thread
MD vim_id: id of the vm,net,etc at VIM
- MD action: CREATE, DELETE, LOOK, TODO: LOOK_CREATE
+ MD action: CREATE, DELETE, FIND
MD item: database table name, can be instance_vms, instance_nets, TODO: datacenter_flavors, datacenter_images
MD item_id: uuid of the referenced entry in the preious table
MD status: SCHEDULED,BUILD,DONE,FAILED,SUPERSEDED
MD extra: text with yaml format at database, dict at memory with:
- params: list with the params to be sent to the VIM for CREATE or LOOK. For DELETE the vim_id is taken from other related tasks
+ params: list with the params to be sent to the VIM for CREATE or FIND. For DELETE the vim_id is taken from other related tasks
+ find: (only for CREATE tasks) if present it should FIND before creating and use if existing. Contains the FIND params
depends_on: list with the 'task_index'es of tasks that must be completed before. e.g. a vm depends on a net
sdn_net_id: used for net.
tries:
iface_id: uuid of intance_interfaces
sdn_port_id:
sdn_net_id:
+ created_items: dictionary with extra elements created that need to be deleted. e.g. ports, volumes,...
created: False if the VIM element is not created by other actions, and it should not be deleted
vim_status: VIM status of the element. Stored also at database in the instance_XXX
M depends: dict with task_index(from depends_on) to task class
pass
+class VimThreadExceptionNotFound(VimThreadException):
+ pass
+
+
class vim_thread(threading.Thread):
REFRESH_BUILD = 5 # 5 seconds
REFRESH_ACTIVE = 60 # 1 minute
for to_supersede in self.grouped_tasks.get(action_key, ()):
if to_supersede["action"] == "FIND" and to_supersede.get("vim_id"):
task["vim_id"] = to_supersede["vim_id"]
- if to_supersede["action"] == "CREATE" and to_supersede.get("vim_id"):
+ if to_supersede["action"] == "CREATE" and to_supersede.get("vim_id") and \
+ to_supersede["extra"].get("created", True):
need_delete_action = True
task["vim_id"] = to_supersede["vim_id"]
if to_supersede["extra"].get("sdn_vim_id"):
task["extra"]["sdn_vim_id"] = to_supersede["extra"]["sdn_vim_id"]
if to_supersede["extra"].get("interfaces"):
task["extra"]["interfaces"] = to_supersede["extra"]["interfaces"]
+ if to_supersede["extra"].get("created_items"):
+ if not task["extra"].get("created_items"):
+ task["extra"]["created_items"] = {}
+ task["extra"]["created_items"].update(to_supersede["extra"]["created_items"])
# Mark task as SUPERSEDED.
# If task is in self.pending_tasks, it will be removed and database will be update
# If task is in self.refresh_tasks, it will be removed
return error_text[:max_length//2-3] + " ... " + error_text[-max_length//2+3:]
return error_text
- def new_net(self, task):
- try:
- task_id = task["instance_action_id"] + "." + str(task["task_index"])
- params = task["params"]
- vim_net_id = self.vim.new_network(*params)
-
- net_name = params[0]
- net_type = params[1]
-
- network = None
- sdn_net_id = None
- sdn_controller = self.vim.config.get('sdn-controller')
- if sdn_controller and (net_type == "data" or net_type == "ptp"):
- network = {"name": net_name, "type": net_type, "region": self.vim["config"]["datacenter_id"]}
-
- vim_net = self.vim.get_network(vim_net_id)
- if vim_net.get('encapsulation') != 'vlan':
- raise vimconn.vimconnException(
- "net '{}' defined as type '{}' has not vlan encapsulation '{}'".format(
- net_name, net_type, vim_net['encapsulation']))
- network["vlan"] = vim_net.get('segmentation_id')
- try:
- with self.db_lock:
- sdn_net_id = self.ovim.new_network(network)
- except (ovimException, Exception) as e:
- self.logger.error("task=%s cannot create SDN network vim_net_id=%s input='%s' ovimException='%s'",
- str(task_id), vim_net_id, str(network), str(e))
- task["status"] = "DONE"
- task["extra"]["vim_info"] = {}
- task["extra"]["sdn_net_id"] = sdn_net_id
- task["error_msg"] = None
- task["vim_id"] = vim_net_id
- instance_element_update = {"vim_net_id": vim_net_id, "sdn_net_id": sdn_net_id, "status": "BUILD", "error_msg": None}
- return True, instance_element_update
- except vimconn.vimconnException as e:
- self.logger.error("Error creating NET, task=%s: %s", str(task_id), str(e))
- task["status"] = "FAILED"
- task["vim_id"] = None
- task["error_msg"] = self._format_vim_error_msg(str(e))
- instance_element_update = {"vim_net_id": None, "sdn_net_id": None, "status": "VIM_ERROR", "error_msg": task["error_msg"]}
- return False, instance_element_update
-
def new_vm(self, task):
try:
params = task["params"]
"Cannot create VM because depends on a network not created or found: " +
str(task_net["error_msg"]))
net["net_id"] = network_id
- vim_vm_id = self.vim.new_vminstance(*params)
+ vim_vm_id, created_items = self.vim.new_vminstance(*params)
# fill task_interfaces. Look for snd_net_id at database for each interface
task_interfaces = {}
task["vim_info"] = {}
task["vim_interfaces"] = {}
task["extra"]["interfaces"] = task_interfaces
+ task["extra"]["created"] = True
+ task["extra"]["created_items"] = created_items
task["error_msg"] = None
task["status"] = "DONE"
task["vim_id"] = vim_vm_id
iface["sdn_port_id"], vm_vim_id) + str(e), exc_info=True)
# TODO Set error_msg at instance_nets
- self.vim.delete_vminstance(vm_vim_id)
+ self.vim.delete_vminstance(vm_vim_id, task["extra"].get("created_items"))
task["status"] = "DONE"
task["error_msg"] = None
return True, None
task["status"] = "FAILED"
return False, None
+ def _get_net_internal(self, task, filter_param):
+ """
+ Common code for get_net and new_net. It looks for a network on VIM with the filter_params
+ :param task: task for this find or find-or-create action
+ :param filter_param: parameters to send to the vimconnector
+ :return: a dict with the content to update the instance_nets database table. Raises an exception on error, or
+ when network is not found or found more than one
+ """
+ vim_nets = self.vim.get_network_list(filter_param)
+ if not vim_nets:
+ raise VimThreadExceptionNotFound("Network not found with this criteria: '{}'".format(filter))
+ elif len(vim_nets) > 1:
+ raise VimThreadException("More than one network found with this criteria: '{}'".format(filter))
+ vim_net_id = vim_nets[0]["id"]
+
+ # Discover if this network is managed by a sdn controller
+ sdn_net_id = None
+ with self.db_lock:
+ result = self.db.get_rows(SELECT=('sdn_net_id',), FROM='instance_nets',
+ WHERE={'vim_net_id': vim_net_id, 'instance_scenario_id': None,
+ 'datacenter_tenant_id': self.datacenter_tenant_id})
+ if result:
+ sdn_net_id = result[0]['sdn_net_id']
+
+ task["status"] = "DONE"
+ task["extra"]["vim_info"] = {}
+ task["extra"]["created"] = False
+ task["extra"]["sdn_net_id"] = sdn_net_id
+ task["error_msg"] = None
+ task["vim_id"] = vim_net_id
+ instance_element_update = {"vim_net_id": vim_net_id, "created": False, "status": "BUILD",
+ "error_msg": None}
+ return instance_element_update
+
+ def get_net(self, task):
+ try:
+ task_id = task["instance_action_id"] + "." + str(task["task_index"])
+ params = task["params"]
+ filter_param = params[0]
+ instance_element_update = self._get_net_internal(task, filter_param)
+ return True, instance_element_update
+
+ except (vimconn.vimconnException, VimThreadException) as e:
+ self.logger.error("Error looking for NET, task=%s: %s", str(task_id), str(e))
+ task["status"] = "FAILED"
+ task["vim_id"] = None
+ task["error_msg"] = self._format_vim_error_msg(str(e))
+ instance_element_update = {"vim_net_id": None, "status": "VIM_ERROR",
+ "error_msg": task["error_msg"]}
+ return False, instance_element_update
+
+ def new_net(self, task):
+ try:
+ task_id = task["instance_action_id"] + "." + str(task["task_index"])
+ # FIND
+ if task["extra"].get("find"):
+ action_text = "finding"
+ filter_param = task["extra"]["find"][0]
+ try:
+ instance_element_update = self._get_net_internal(task, filter_param)
+ return True, instance_element_update
+ except VimThreadExceptionNotFound:
+ pass
+ # CREATE
+ params = task["params"]
+ action_text = "creating"
+ vim_net_id = self.vim.new_network(*params)
+
+ net_name = params[0]
+ net_type = params[1]
+
+ sdn_net_id = None
+ sdn_controller = self.vim.config.get('sdn-controller')
+ if sdn_controller and (net_type == "data" or net_type == "ptp"):
+ network = {"name": net_name, "type": net_type, "region": self.vim["config"]["datacenter_id"]}
+
+ vim_net = self.vim.get_network(vim_net_id)
+ if vim_net.get('encapsulation') != 'vlan':
+ raise vimconn.vimconnException(
+ "net '{}' defined as type '{}' has not vlan encapsulation '{}'".format(
+ net_name, net_type, vim_net['encapsulation']))
+ network["vlan"] = vim_net.get('segmentation_id')
+ try:
+ with self.db_lock:
+ sdn_net_id = self.ovim.new_network(network)
+ except (ovimException, Exception) as e:
+ self.logger.error("task=%s cannot create SDN network vim_net_id=%s input='%s' ovimException='%s'",
+ str(task_id), vim_net_id, str(network), str(e))
+ task["status"] = "DONE"
+ task["extra"]["vim_info"] = {}
+ task["extra"]["sdn_net_id"] = sdn_net_id
+ task["extra"]["created"] = True
+ task["error_msg"] = None
+ task["vim_id"] = vim_net_id
+ instance_element_update = {"vim_net_id": vim_net_id, "sdn_net_id": sdn_net_id, "status": "BUILD",
+ "created": True, "error_msg": None}
+ return True, instance_element_update
+ except vimconn.vimconnException as e:
+ self.logger.error("Error {} NET, task=%s: %s", action_text, str(task_id), str(e))
+ task["status"] = "FAILED"
+ task["vim_id"] = None
+ task["error_msg"] = self._format_vim_error_msg(str(e))
+ instance_element_update = {"vim_net_id": None, "sdn_net_id": None, "status": "VIM_ERROR",
+ "error_msg": task["error_msg"]}
+ return False, instance_element_update
+
def del_net(self, task):
net_vim_id = task["vim_id"]
sdn_net_id = task["extra"].get("sdn_net_id")
return True, None
task["status"] = "FAILED"
return False, None
-
- def get_net(self, task):
- try:
- task_id = task["instance_action_id"] + "." + str(task["task_index"])
- params = task["params"]
- filter = params[0]
- vim_nets = self.vim.get_network_list(filter)
- if not vim_nets:
- raise VimThreadException("Network not found with this criteria: '{}'".format(filter))
- elif len(vim_nets) > 1:
- raise VimThreadException("More than one network found with this criteria: '{}'".format(filter))
- vim_net_id = vim_nets[0]["id"]
-
- # Discover if this network is managed by a sdn controller
- sdn_net_id = None
- with self.db_lock:
- result = self.db.get_rows(SELECT=('sdn_net_id',), FROM='instance_nets',
- WHERE={'vim_net_id': vim_net_id, 'instance_scenario_id': None,
- 'datacenter_tenant_id': self.datacenter_tenant_id})
- if result:
- sdn_net_id = result[0]['sdn_net_id']
-
- task["status"] = "DONE"
- task["extra"]["vim_info"] = {}
- task["extra"]["created"] = False
- task["extra"]["sdn_net_id"] = sdn_net_id
- task["error_msg"] = None
- task["vim_id"] = vim_net_id
- instance_element_update = {"vim_net_id": vim_net_id, "created": False, "status": "BUILD",
- "error_msg": None}
- return True, instance_element_update
- except (vimconn.vimconnException, VimThreadException) as e:
- self.logger.error("Error looking for NET, task=%s: %s", str(task_id), str(e))
- task["status"] = "FAILED"
- task["vim_id"] = None
- task["error_msg"] = self._format_vim_error_msg(str(e))
- instance_element_update = {"vim_net_id": None, "status": "VIM_ERROR",
- "error_msg": task["error_msg"]}
- return False, instance_element_update
projects / osm / RO.git / blobdiff