def count_stacks(self, cnxt, filters=None):
"""
Return the number of stacks that match the given filters
:param ctxt: RPC context.
:param filters: a dict of ATTR:VALUE to match agains stacks
:returns: a integer representing the number of matched stacks
"""
return db_api.stack_count_all_by_tenant(cnxt, filters=filters)
def count_stacks(self, cnxt, filters=None):
"""
Return the number of stacks that match the given filters
:param ctxt: RPC context.
:param filters: a dict of ATTR:VALUE to match agains stacks
:returns: a integer representing the number of matched stacks
"""
return db_api.stack_count_all_by_tenant(cnxt, filters=filters)
def create_stack(self, cnxt, stack_name, template, params, files, args):
"""
The create_stack method creates a new stack using the template
provided.
Note that at this stage the template has already been fetched from the
heat-api process if using a template-url.
:param cnxt: RPC context.
:param stack_name: Name of the stack you want to create.
:param template: Template of stack you want to create.
:param params: Stack Input Params
:param files: Files referenced from the template
(currently provider templates).
:param args: Request parameters/args passed from API
"""
logger.info('template is %s' % template)
def _stack_create(stack):
# Create the stack, and create the periodic task if successful
stack.create()
if stack.action == stack.CREATE and stack.status == stack.COMPLETE:
# Schedule a periodic watcher task for this stack
self._start_watch_task(stack.id, cnxt)
else:
logger.warning("Stack create failed, status %s" % stack.status)
if db_api.stack_get_by_name(cnxt, stack_name):
raise exception.StackExists(stack_name=stack_name)
tenant_limit = cfg.CONF.max_stacks_per_tenant
if db_api.stack_count_all_by_tenant(cnxt) >= tenant_limit:
message = _("You have reached the maximum stacks per tenant, %d."
" Please delete some stacks.") % tenant_limit
raise exception.RequestLimitExceeded(message=message)
tmpl = parser.Template(template, files=files)
if len(tmpl[tpl.RESOURCES]) > cfg.CONF.max_resources_per_stack:
raise exception.StackResourceLimitExceeded()
# Extract the common query parameters
common_params = api.extract_args(args)
env = environment.Environment(params)
stack = parser.Stack(cnxt, stack_name, tmpl,
env, **common_params)
self._validate_deferred_auth_context(cnxt, stack)
stack.validate()
# Creates a trust and sets the trust_id and trustor_user_id in
# the current context, before we store it in stack.store()
# Does nothing if deferred_auth_method is 'password'
stack.clients.keystone().create_trust_context()
stack_id = stack.store()
self._start_in_thread(stack_id, _stack_create, stack)
return dict(stack.identifier())
def create_stack(self, cnxt, stack_name, template, params, files, args):
"""
The create_stack method creates a new stack using the template
provided.
Note that at this stage the template has already been fetched from the
heat-api process if using a template-url.
:param cnxt: RPC context.
:param stack_name: Name of the stack you want to create.
:param template: Template of stack you want to create.
:param params: Stack Input Params
:param files: Files referenced from the template
:param args: Request parameters/args passed from API
"""
logger.info(_('template is %s') % template)
def _stack_create(stack):
# Create the stack, and create the periodic task if successful
stack.create()
if stack.action == stack.CREATE and stack.status == stack.COMPLETE:
# Schedule a periodic watcher task for this stack
self._start_watch_task(stack.id, cnxt)
else:
logger.warning(
_("Stack create failed, status %s") % stack.status)
if db_api.stack_get_by_name(cnxt, stack_name):
raise exception.StackExists(stack_name=stack_name)
tenant_limit = cfg.CONF.max_stacks_per_tenant
if db_api.stack_count_all_by_tenant(cnxt) >= tenant_limit:
message = _("You have reached the maximum stacks per tenant, %d."
" Please delete some stacks.") % tenant_limit
raise exception.RequestLimitExceeded(message=message)
tmpl = parser.Template(template, files=files)
if len(tmpl[tpl.RESOURCES]) > cfg.CONF.max_resources_per_stack:
raise exception.RequestLimitExceeded(
message=exception.StackResourceLimitExceeded.msg_fmt)
# Extract the common query parameters
common_params = api.extract_args(args)
env = environment.Environment(params)
stack = parser.Stack(cnxt, stack_name, tmpl, env, **common_params)
self._validate_deferred_auth_context(cnxt, stack)
stack.validate()
stack_id = stack.store()
self._start_in_thread(stack_id, _stack_create, stack)
return dict(stack.identifier())
def _validate_new_stack(self, cnxt, stack_name, parsed_template):
if db_api.stack_get_by_name(cnxt, stack_name):
raise exception.StackExists(stack_name=stack_name)
tenant_limit = cfg.CONF.max_stacks_per_tenant
if db_api.stack_count_all_by_tenant(cnxt) >= tenant_limit:
message = _("You have reached the maximum stacks per tenant, %d."
" Please delete some stacks.") % tenant_limit
raise exception.RequestLimitExceeded(message=message)
num_resources = len(parsed_template[parsed_template.RESOURCES])
if num_resources > cfg.CONF.max_resources_per_stack:
message = exception.StackResourceLimitExceeded.msg_fmt
raise exception.RequestLimitExceeded(message=message)
def create_stack(self, cnxt, stack_name, template, params, files, args):
"""
The create_stack method creates a new stack using the template
provided.
Note that at this stage the template has already been fetched from the
heat-api process if using a template-url.
:param cnxt: RPC context.
:param stack_name: Name of the stack you want to create.
:param template: Template of stack you want to create.
:param params: Stack Input Params
:param files: Files referenced from the template
:param args: Request parameters/args passed from API
"""
logger.info(_('template is %s') % template)
def _stack_create(stack):
# Create/Adopt a stack, and create the periodic task if successful
if stack.adopt_stack_data:
stack.adopt()
else:
stack.create()
if (stack.action in (stack.CREATE, stack.ADOPT)
and stack.status == stack.COMPLETE):
# Schedule a periodic watcher task for this stack
self._start_watch_task(stack.id, cnxt)
else:
logger.warning(_("Stack create failed, status %s") %
stack.status)
if db_api.stack_get_by_name(cnxt, stack_name):
raise exception.StackExists(stack_name=stack_name)
tenant_limit = cfg.CONF.max_stacks_per_tenant
if db_api.stack_count_all_by_tenant(cnxt) >= tenant_limit:
message = _("You have reached the maximum stacks per tenant, %d."
" Please delete some stacks.") % tenant_limit
raise exception.RequestLimitExceeded(message=message)
tmpl = parser.Template(template, files=files)
if len(tmpl[tpl.RESOURCES]) > cfg.CONF.max_resources_per_stack:
raise exception.RequestLimitExceeded(
message=exception.StackResourceLimitExceeded.msg_fmt)
# Extract the common query parameters
common_params = api.extract_args(args)
env = environment.Environment(params)
stack = parser.Stack(cnxt, stack_name, tmpl,
env, **common_params)
self._validate_deferred_auth_context(cnxt, stack)
stack.validate()
stack.store()
self.thread_group_mgr.start_with_lock(cnxt, stack, self.engine_id,
_stack_create, stack)
return dict(stack.identifier())
