def main():
# Notable difference between c implementation is using exception mechanism for open handling unexpected events.
# Here it is useful because `Connection`, `Session` and `Subscribe` could throw an exception.
try:
module_name = sys.argv[1]
logger.info(f"Application will watch for changes in {module_name}")
# connect to sysrepo
conn = sr.Connection(module_name)
# start session
sess = sr.Session(conn)
# subscribe for changes in running config */
subscribe = sr.Subscribe(sess)
subscribe.module_change_subscribe(module_name, module_change_cb)
try:
print_current_config(sess, module_name)
except Exception as e:
logger.error(e)
logger.info("========== STARTUP CONFIG APPLIED AS RUNNING ==========")
sr.global_loop()
logger.info("Application exit requested, exiting.")
except Exception as e:
logger.error(e)
def main():
# Notable difference between c implementation is using exception mechanism for open handling unexpected events.
# Here it is useful because `Conenction`, `Session` and `Subscribe` could throw an exception.
try:
module_name = "ietf-interfaces"
if len(sys.argv) > 1:
module_name = sys.argv[1]
else:
print("\nYou can pass the module name to be subscribed as the first argument")
# connect to sysrepo
conn = sr.Connection("example_application")
# start session
sess = sr.Session(conn)
# subscribe for changes in running config */
subscribe = sr.Subscribe(sess)
subscribe.module_change_subscribe(module_name, module_change_cb, None, 0, sr.SR_SUBSCR_DEFAULT | sr.SR_SUBSCR_APPLY_ONLY)
print("\n\n ========== READING STARTUP CONFIG: ==========\n")
try:
print_current_config(sess, module_name)
except Exception as e:
print(e)
print("\n\n ========== STARTUP CONFIG APPLIED AS RUNNING ==========\n")
sr.global_loop()
print("Application exit requested, exiting.\n")
except Exception as e:
print(e)
def init(self):
self.print_banner()
self.logger.info("Initializing cassini dataplane")
self.logger.info("Discovering Sysrepo repository")
s = self.sess.list_schemas()
if s is None:
self.logger.error("Sysrepo not found")
self.logger.info("The dataplane application is existing")
exit(2)
else:
self.logger.info("Sysrepo was found")
self.logger.info("Retrieving data of repository")
self.add_phy_interfaces()
self.add_logical_interfaces()
self.logger.info("Registering events")
try:
self.subscribe.module_change_subscribe(self.MOD_PLATAFORM,
self.module_cb)
self.subscribe.module_change_subscribe(self.MOD_TERM_DEV,
self.module_cb)
self.logger.info("Waiting events")
sr.global_loop()
self.logger.warning("Application exit requested, exiting.\n")
finally:
self.delete_phy_interfaces()
def connect(self):
self.conn = sr.Connection("provider_%s" % (self.MODULE_NAME))
self.session = sr.Session(self.conn)
self.subscribe = sr.Subscribe(self.session)
self.subscribe.module_change_subscribe(self.MODULE_NAME, self.callback)
sr.global_loop()
def connect_oper(self, path):
self.conn = sr.Connection("oper_%s" % (self.MODULE_NAME))
self.session = sr.Session(self.conn)
self.subscribe = sr.Subscribe(self.session)
self.last_oper_refresh = 0
self.oper_val_dict = {}
self.oper_module_path = path
self.subscribe.dp_get_items_subscribe(path, self.callback_for_oper)
sr.global_loop()
def start():
""" main function to create connection based on moudule name. """
try:
module_name = "pnf-subscriptions"
conn = sr.Connection(module_name)
sess = sr.Session(conn)
subscribe = sr.Subscribe(sess)
subscribe.module_change_subscribe(module_name, module_change_cb)
sr.global_loop()
print("Application exit requested, exiting.")
except Exception as error:
print(error)
def start():
""" main function to create connection based on module name. """
try:
module_name = 'pnf-subscriptions'
conn = sr.Connection(module_name)
sess = sr.Session(conn)
subscribe = sr.Subscribe(sess)
subscribe.module_change_subscribe(module_name, module_change_cb)
sr.global_loop()
logger.info('Application exit requested, exiting.')
except Exception as error:
logger.error(error, exc_info=True)
def main():
try:
conn = sr.Connection(YANG_MODULE_NAME)
sess = sr.Session(conn)
subscribe = sr.Subscribe(sess)
subscribe.module_change_subscribe(YANG_MODULE_NAME, module_change_cb, conn)
try:
print_current_config(sess, YANG_MODULE_NAME)
except Exception as e:
logger.error(e)
sr.global_loop()
logger.info("Application exit requested, exiting.")
except Exception as e:
logger.error(e)
def main():
module_name = 'dns-server-amended-with-zone'
log.debug("connecting to sysrepo")
# connect to sysrepo
conn = sr.Connection("pdns")
log.info("connected to sysrepo")
log.debug("starting session")
# start session
session = sr.Session(conn)
log.info("session started")
sub = sr.Subscribe(session)
# module_change_subscribe API docs:
# https://www.sysrepo.org/static/doc/html/group__cl.html#ga35341cf4bf9584127f7c5a79405a878f
sub.module_change_subscribe(module_name, change_cb, None,
sr.SR_SUBSCR_DEFAULT | sr.SR_SUBSCR_APPLY_ONLY)
sr.global_loop()
else:
print ("\nYou can pass the module name to be subscribed as the first argument")
print ("Application will watch for changes in " + module_name + "\n")
# connect to sysrepo
conn = sr.Connection("example_application")
# start session
sess = sr.Session(conn)
# subscribe for changes in running config */
subscribe = sr.Subscribe(sess)
subscribe.module_change_subscribe(module_name, module_change_cb)
print ("\n\n ========== READING STARTUP CONFIG: ==========\n")
try:
print_current_config(sess, module_name);
except Exception as e:
print (e)
print ("\n\n ========== STARTUP CONFIG APPLIED AS RUNNING ==========\n")
sr.global_loop()
print ("Application exit requested, exiting.\n")
except Exception as e:
print (e)
# connect to sysrepo
conn = sr.Connection(sr.SR_CONN_DEFAULT)
# start session
sess = sr.Session(conn)
# subscribe for changes in running config */
subscribe = sr.Subscribe(sess)
subscribe.module_change_subscribe(module_name, module_change_cb, None, None, 0, sr.SR_SUBSCR_DONE_ONLY)
print ("\n\n ========== READING RUNNING CONFIG: ==========\n")
try:
print_current_config(sess, module_name)
except Exception as e:
print (e)
sr.global_loop()
subscribe.unsubscribe()
sess.session_stop()
conn=None
print ("Application exit requested, exiting.\n")
except Exception as e:
print (e)
