xoxys/drone-cleanup-agents
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add dryrun flag

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This commit is contained in:
Robert Kaussow 2019-12-19 10:24:26 +01:00
parent 3cb946056a
commit 34bab35b34
1 changed files with 20 additions and 7 deletions
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27
cleanupagents/Cli.py
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@ -33,6 +33,8 @@ class AgentCleanup:
description=("Cleanup outdated and faulty drone agents")) description=("Cleanup outdated and faulty drone agents"))
parser.add_argument("-v", dest="log_level", action="append_const", const=-1, parser.add_argument("-v", dest="log_level", action="append_const", const=-1,
help="increase log level") help="increase log level")
parser.add_argument("-d", "--dry-run", dest="dry_run", action="store_true", default=False,
help="dry run without modifications")
parser.add_argument("-q", dest="log_level", action="append_const", parser.add_argument("-q", dest="log_level", action="append_const",
const=1, help="decrease log level") const=1, help="decrease log level")
parser.add_argument("--version", action="version", version="%(prog)s {}".format(__version__)) parser.add_argument("--version", action="version", version="%(prog)s {}".format(__version__))
@ -62,6 +64,8 @@ class AgentCleanup:
if not os.path.exists(os.path.dirname(config["logfile"])): if not os.path.exists(os.path.dirname(config["logfile"])):
os.makedirs(os.path.dirname(config["logfile"])) os.makedirs(os.path.dirname(config["logfile"]))
config["dry_run"] = self.args["dry_run"]
# Override correct log level from argparse # Override correct log level from argparse
levels = ["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"] levels = ["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"]
log_level = levels.index(config["log_level"]) log_level = levels.index(config["log_level"])
@ -79,10 +83,16 @@ class AgentCleanup:
def _clean(self): def _clean(self):
pending = self.config["pending"] pending = self.config["pending"]
control = defaultdict(dict) control = defaultdict(dict)
dry = self.config["dry_run"]
dryrun_msg = ""
if dry:
dryrun_msg = "[DRYRUN] "
for scaler in self.config["drone_scaler"]: for scaler in self.config["drone_scaler"]:
error = [] error = []
self.logger.info("Cleanup agents for scaler '{}'".format(scaler)) self.logger.info("{dryrun_msg}Cleanup agents for scaler '{scaler}'".format(
scaler=scaler, dryrun_msg=dryrun_msg))
res = run_command("drone -s {server} -t {token} --autoscaler {scaler} server ls --format '{{{{ . | jsonify }}}}'".format( res = run_command("drone -s {server} -t {token} --autoscaler {scaler} server ls --format '{{{{ . | jsonify }}}}'".format(
server=self.config["drone_server"], token=self.config["drone_token"], scaler=scaler)) server=self.config["drone_server"], token=self.config["drone_token"], scaler=scaler))
@ -110,14 +120,17 @@ class AgentCleanup:
self.logger.info("Stopping '{agent}' ({triage}/3) {force}".format( self.logger.info("Stopping '{agent}' ({triage}/3) {force}".format(
agent=e, triage=control[e] or 3, force=force_msg)) agent=e, triage=control[e] or 3, force=force_msg))
res = run_command("drone -s {server} -t {token} --autoscaler {scaler} server destroy {force} {agent}".format(
server=self.config["drone_server"], token=self.config["drone_token"], scaler=scaler, agent=e, force=force))
if res.returncode > 0: if not dry:
self.log.sysexit_with_message("Command error:\n{}".format(humanize(res.stdout))) res = run_command("drone -s {server} -t {token} --autoscaler {scaler} server destroy {force} {agent}".format(
server=self.config["drone_server"], token=self.config["drone_token"], scaler=scaler, agent=e, force=force))
with open(self.config["statefile"], "wb") as json_file: if res.returncode > 0:
pickle.dump(control, json_file) # nosec self.log.sysexit_with_message("Command error:\n{}".format(humanize(res.stdout)))
if not dry:
with open(self.config["statefile"], "wb") as json_file:
pickle.dump(control, json_file) # nosec
def run(self): def run(self):
try: try: