def ns_exec(pid, event):
script = os.path.join(Config.home(), 'events', event.name.split(';')[0])
cmd = ['nsenter',
'-F',
'-m',
'-u',
'-i',
'-n',
'-p',
'-t', str(pid),
'--', script]
marshaller = get_type(MARSHALLER)
input = marshaller.to_string(event)
data = None
env = {}
#in come customized docker like alidocker use with open('/host/proc/{}/environ'.format(pid)) as f:
with open('/proc/{}/environ'.format(pid)) as f:
for line in f.read().split('\0'):
if not len(line):
continue
kv = line.split('=', 1)
if kv[0].startswith('CATTLE'):
env[kv[0]] = kv[1]
env['PATH'] = os.environ['PATH']
env['CATTLE_CONFIG_URL'] = Config.config_url()
for i in range(3):
p = popen(cmd,
env=env,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
output, error = p.communicate(input=input)
retcode = p.poll()
if retcode == 0:
break
exists_cmd = cmd[:-1] + ['/usr/bin/test', '-e', script]
if popen(exists_cmd, env=env).wait() == 0:
break
# Sleep and try again if missing
time.sleep(1)
if retcode:
return retcode, output, None
text = []
for line in output.splitlines():
if line.startswith('{'):
data = marshaller.from_string(line)
break
text.append(line)
return retcode, ''.join(text), data
def ns_exec(pid, event):
script = os.path.join(Config.home(), 'events', event.name.split(';')[0])
cmd = ['nsenter',
'-F',
'-m',
'-u',
'-i',
'-n',
'-p',
'-t', str(pid),
'--', script]
marshaller = get_type(MARSHALLER)
input = marshaller.to_string(event)
data = None
env = {}
with open('/proc/{}/environ'.format(pid)) as f:
for line in f.read().split('\0'):
if not len(line):
continue
kv = line.split('=', 1)
if kv[0].startswith('CATTLE'):
env[kv[0]] = kv[1]
env['PATH'] = os.environ['PATH']
env['CATTLE_CONFIG_URL'] = Config.config_url()
for i in range(3):
p = popen(cmd,
env=env,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
output, error = p.communicate(input=input)
retcode = p.poll()
if retcode == 0:
break
exists_cmd = cmd[:-1] + ['/usr/bin/test', '-e', script]
if popen(exists_cmd, env=env).wait() == 0:
break
# Sleep and try again if missing
time.sleep(1)
if retcode:
return retcode, output, None
text = []
for line in output.splitlines():
if line.startswith('{'):
data = marshaller.from_string(line)
break
text.append(line)
return retcode, ''.join(text), data
def ns_exec(pid, event):
script = os.path.join(Config.home(), 'events', event.name.split(';')[0])
cmd = ['nsenter',
'-F',
'-m',
'-u',
'-i',
'-n',
'-p',
'-t', str(pid),
'--', script]
marshaller = get_type(MARSHALLER)
input = marshaller.to_string(event)
data = None
env = {}
with open('/proc/{}/environ'.format(pid)) as f:
for line in f.read().split('\0'):
if not len(line):
continue
kv = line.split('=', 1)
if kv[0].startswith('CATTLE'):
env[kv[0]] = kv[1]
env['PATH'] = os.environ['PATH']
p = popen(cmd,
env=env,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
output, error = p.communicate(input=input)
retcode = p.poll()
if retcode:
return retcode, output, None
text = []
for line in output.splitlines():
if line.startswith('{'):
data = marshaller.from_string(line)
break
text.append(line)
return retcode, ''.join(text), data
def ns_exec(pid, event):
script = os.path.join(Config.home(), 'events', event.name.split(';')[0])
cmd = [
'nsenter', '-F', '-m', '-u', '-i', '-n', '-p', '-t',
str(pid), '--', script
]
marshaller = get_type(MARSHALLER)
input = marshaller.to_string(event)
data = None
env = {}
with open('/proc/{}/environ'.format(pid)) as f:
for line in f.read().split('\0'):
if not len(line):
continue
kv = line.split('=', 1)
if kv[0].startswith('CATTLE'):
env[kv[0]] = kv[1]
env['PATH'] = os.environ['PATH']
p = popen(cmd,
env=env,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
output, error = p.communicate(input=input)
retcode = p.poll()
if retcode:
return retcode, output, None
text = []
for line in output.splitlines():
if line.startswith('{'):
data = marshaller.from_string(line)
break
text.append(line)
return retcode, ''.join(text), data