diff options
Diffstat (limited to 'cloudinit/config/cc_power_state_change.py')
| -rw-r--r-- | cloudinit/config/cc_power_state_change.py | 58 |
1 files changed, 37 insertions, 21 deletions
diff --git a/cloudinit/config/cc_power_state_change.py b/cloudinit/config/cc_power_state_change.py index 5780a7e9..d4eb68c0 100644 --- a/cloudinit/config/cc_power_state_change.py +++ b/cloudinit/config/cc_power_state_change.py @@ -58,9 +58,8 @@ import re import subprocess import time +from cloudinit import subp, util from cloudinit.settings import PER_INSTANCE -from cloudinit import subp -from cloudinit import util frequency = PER_INSTANCE @@ -75,9 +74,9 @@ def givecmdline(pid): # PID COMM ARGS # 1 init /bin/init -- if util.is_FreeBSD(): - (output, _err) = subp.subp(['procstat', '-c', str(pid)]) + (output, _err) = subp.subp(["procstat", "-c", str(pid)]) line = output.splitlines()[1] - m = re.search(r'\d+ (\w|\.|-)+\s+(/\w.+)', line) + m = re.search(r"\d+ (\w|\.|-)+\s+(/\w.+)", line) return m.group(2) else: return util.load_file("/proc/%s/cmdline" % pid) @@ -106,8 +105,9 @@ def check_condition(cond, log=None): return False else: if log: - log.warning(pre + "unexpected exit %s. " % ret + - "do not apply change.") + log.warning( + pre + "unexpected exit %s. " % ret + "do not apply change." + ) return False except Exception as e: if log: @@ -138,16 +138,24 @@ def handle(_name, cfg, cloud, log, _args): devnull_fp = open(os.devnull, "w") - log.debug("After pid %s ends, will execute: %s" % (mypid, ' '.join(args))) + log.debug("After pid %s ends, will execute: %s" % (mypid, " ".join(args))) - util.fork_cb(run_after_pid_gone, mypid, cmdline, timeout, log, - condition, execmd, [args, devnull_fp]) + util.fork_cb( + run_after_pid_gone, + mypid, + cmdline, + timeout, + log, + condition, + execmd, + [args, devnull_fp], + ) def load_power_state(cfg, distro): # returns a tuple of shutdown_command, timeout # shutdown_command is None if no config found - pstate = cfg.get('power_state') + pstate = cfg.get("power_state") if pstate is None: return (None, None, None) @@ -155,22 +163,25 @@ def load_power_state(cfg, distro): if not isinstance(pstate, dict): raise TypeError("power_state is not a dict.") - modes_ok = ['halt', 'poweroff', 'reboot'] + modes_ok = ["halt", "poweroff", "reboot"] mode = pstate.get("mode") if mode not in distro.shutdown_options_map: raise TypeError( - "power_state[mode] required, must be one of: %s. found: '%s'." % - (','.join(modes_ok), mode)) + "power_state[mode] required, must be one of: %s. found: '%s'." + % (",".join(modes_ok), mode) + ) - args = distro.shutdown_command(mode=mode, - delay=pstate.get("delay", "now"), - message=pstate.get("message")) + args = distro.shutdown_command( + mode=mode, + delay=pstate.get("delay", "now"), + message=pstate.get("message"), + ) try: - timeout = float(pstate.get('timeout', 30.0)) + timeout = float(pstate.get("timeout", 30.0)) except ValueError as e: raise ValueError( - "failed to convert timeout '%s' to float." % pstate['timeout'] + "failed to convert timeout '%s' to float." % pstate["timeout"] ) from e condition = pstate.get("condition", True) @@ -186,8 +197,12 @@ def doexit(sysexit): def execmd(exe_args, output=None, data_in=None): ret = 1 try: - proc = subprocess.Popen(exe_args, stdin=subprocess.PIPE, - stdout=output, stderr=subprocess.STDOUT) + proc = subprocess.Popen( + exe_args, + stdin=subprocess.PIPE, + stdout=output, + stderr=subprocess.STDOUT, + ) proc.communicate(data_in) ret = proc.returncode except Exception: @@ -230,7 +245,7 @@ def run_after_pid_gone(pid, pidcmdline, timeout, log, condition, func, args): except Exception as e: fatal("Unexpected Exception: %s" % e) - time.sleep(.25) + time.sleep(0.25) if not msg: fatal("Unexpected error in run_after_pid_gone") @@ -246,4 +261,5 @@ def run_after_pid_gone(pid, pidcmdline, timeout, log, condition, func, args): func(*args) + # vi: ts=4 expandtab |