class LogEcho(threading.Thread):
def __init__(self, user, server, filename, target_lines=None, filters=[]):
self.logfile = filename
threading.Thread.__init__(self)
self.remote = RemoteConnection(user, server)
self.count = 0
self.target_lines = target_lines
self.show_progress_bar = self.target_lines is not None
self.process = None
self.finished = False
self.filters = filters
def stop(self):
print
try:
self.process.kill()
except:
print padded_log('An error occurred when stopping logger')
def run(self):
def tail_log(line, stdin, process):
# At first line reception, store echo logger process
# and instantiate progress bar if needed
if self.process is None:
self.process = process
if self.show_progress_bar:
self.pacman = Pacman(text=' Progress')
# Determine if we want to count/print the line based on filters setting
matched_filter = re.search(r'({})'.format('|'.join(self.filters)), line)
this_line_is_good = matched_filter or self.filters == []
# If line is good and we're not reached the 100%
if this_line_is_good and not self.finished:
# Update progress bar if in progressbar mode
if self.show_progress_bar:
self.count += 1
percent = (100 * self.count) / self.target_lines
percent = percent if percent <= 100 else 100
self.finished = percent == 100
self.pacman.progress(percent)
# or print line
else:
print ' ' + line.rstrip()
try:
code, stdout = self.remote.execute(
'tail -F -n0 {}'.format(self.logfile),
_out=tail_log
)
except:
pass
def tail_log(line, stdin, process):
# At first line reception, store echo logger process
# and instantiate progress bar if needed
if self.process is None:
self.process = process
if self.show_progress_bar:
self.pacman = Pacman(text=' Progress')
# Determine if we want to count/print the line based on filters setting
matched_filter = re.search(r'({})'.format('|'.join(self.filters)), line)
this_line_is_good = matched_filter or self.filters == []
# If line is good and we're not reached the 100%
if this_line_is_good and not self.finished:
# Update progress bar if in progressbar mode
if self.show_progress_bar:
self.count += 1
percent = (100 * self.count) / self.target_lines
percent = percent if percent <= 100 else 100
self.finished = percent == 100
self.pacman.progress(percent)
# or print line
else:
print ' ' + line.rstrip()
