def read_temp(self):
"""Collectd first calls register_read. At that time default interval is taken,
hence temporary function is made to call, the read callback is unregistered
and read() is called again with interval obtained from conf by register_config callback."""
collectd.unregister_read(self.read_temp)
collectd.register_read(self.collect_jmx_data,
interval=int(self.interval))
def init():
global sht21, lock_file, lock_handle
if lock_file:
# Try to open lock file, in case of failure proceed without locking
try:
lock_handle = open(lock_file, 'w')
except IOError as e:
collectd.error('sht21 plugin: Could not open lock file: %s' % e)
collectd.error('Proceeding without locking')
try:
sht21 = SHT21(1)
collectd.info('sht21 user-mode plugin initialized')
except IOError as e:
collectd.error('sht21 plugin: Could not initialize: %s' % e)
collectd.unregister_read(read)
def read_temp(self):
collectd.unregister_read(self.read_temp)
collectd.register_read(self.read, interval=int(self.interval))
