def run(self):
try:
#
# - first turn off the pods
# - keep track of the indices
#
def _query(zk):
replies = fire(zk, self.cluster, 'control/off', subset=self.indices)
return [seq for _, (seq, _, code) in replies.items() if code == 200]
pods = run(self.proxy, _query)
#
# - then turn those pod back on
#
def _query(zk):
replies = fire(zk, self.cluster, 'control/on', subset=pods)
return [seq for _, (seq, _, code) in replies.items() if code == 200]
assert pods == run(self.proxy, _query), 'one or more pods failed to switch back on'
self.out['reset'] = pods
self.out['ok'] = True
except AssertionError as failure:
logger.debug('%s : failed to reset -> %s' % (self.cluster, failure))
except Exception as failure:
logger.debug('%s : failed to reset -> %s' % (self.cluster, diagnostic(failure)))
def run(self):
try:
def _query(zk):
replies = fire(zk, self.cluster, 'control/off', subset=self.subset)
return [seq for _, (seq, _, code) in replies.items() if code == 200]
js = run(self.proxy, _query)
def _query(zk):
replies = fire(zk, self.cluster, 'reset', subset=self.subset)
return [seq for _, (seq, _, code) in replies.items() if code == 200]
assert js == run(self.proxy, _query), 'one or more pods did not respond'
def _query(zk):
replies = fire(zk, self.cluster, 'control/on', subset=self.subset)
return [seq for _, (seq, _, code) in replies.items() if code == 200]
assert js == run(self.proxy, _query), 'one or more pods did not respond'
self.out['reset'] = js
self.out['ok'] = True
except AssertionError as failure:
logger.debug('%s : failed to reset -> %s' % (self.cluster, failure))
except Exception as failure:
logger.debug('%s : failed to reset -> %s' % (self.cluster, diagnostic(failure)))
def run(self):
try:
#
# - first turn the pod off
#
def _query(zk):
replies = fire(zk,
self.cluster,
'control/off',
subset=self.indices)
return [
seq for _, (seq, _, code) in replies.items() if code == 200
]
js = run(self.proxy, _query)
#
# - reset it
# - this will force a reconnection to zookeeper
#
def _query(zk):
replies = fire(zk, self.cluster, 'reset', subset=self.indices)
return [
seq for _, (seq, _, code) in replies.items() if code == 200
]
assert js == run(self.proxy,
_query), 'one or more pods did not respond'
#
# - then turn the pod back on
#
def _query(zk):
replies = fire(zk,
self.cluster,
'control/on',
subset=self.indices)
return [
seq for _, (seq, _, code) in replies.items() if code == 200
]
assert js == run(self.proxy,
_query), 'one or more pods did not respond'
self.out['reset'] = js
self.out['ok'] = True
except AssertionError as failure:
logger.debug('%s : failed to reset -> %s' %
(self.cluster, failure))
except Exception as failure:
logger.debug('%s : failed to reset -> %s' %
(self.cluster, diagnostic(failure)))
def run(self):
try:
#
# - first turn off the pods
# - keep track of the indices
#
def _query(zk):
replies = fire(zk,
self.cluster,
'control/off',
subset=self.indices,
timeout=self.timeout)
return [
seq for _, (seq, _, code) in replies.items() if code == 200
]
pods = run(self.proxy, _query)
#
# - then turn those pod back on
#
def _query(zk):
replies = fire(zk,
self.cluster,
'control/on',
subset=pods,
timeout=self.timeout)
return [
seq for _, (seq, _, code) in replies.items() if code == 200
]
assert pods == run(
self.proxy,
_query), 'one or more pods failed to switch back on'
self.out['reset'] = pods
self.out['ok'] = True
except AssertionError as failure:
logger.debug('%s : failed to reset -> %s' %
(self.cluster, failure))
except Exception as failure:
logger.debug('%s : failed to reset -> %s' %
(self.cluster, diagnostic(failure)))
def body(self, args, unknown, proxy):
assert args.force or args.indices, 'you must specify --force if -i is not set'
if unknown is not None:
args.cmdline += unknown
files = {}
headers = {'X-Shell': ' '.join(args.cmdline)}
for token in args.cmdline:
if path.isfile(token):
with open(token, 'rb') as f:
files[token] = f.read()
def _query(zk):
replies = fire(zk, args.clusters[0], 'exec', subset=args.indices, headers=headers, files=files, timeout=args.timeout)
return len(replies), {key: js for key, (_, js, code) in replies.items() if code == 200}
total, js = run(proxy, _query)
pct = ((len(js) * 100) / total) if total else 0
if args.json:
logger.info(json.dumps(js))
elif js:
logger.info('<%s> -> %d%% replies (%d pods total) ->\n' % (args.clusters[0], pct, len(js)))
for key, log in js.items():
suffix = '\n\n %s\n' % '\n '.join(log['stdout']) if log['stdout'] else ''
logger.info('- %s (exit code %d)%s' % (key, log['code'], suffix))
return 0 if pct == 100 else 1
def body(self, args, unknown, proxy):
port = str(args.port[0])
def _query(zk):
replies = fire(zk, args.clusters, 'info')
return len(replies), [[key, '|', hints['ip'], '|', hints['public'], '|', str(hints['ports'][port])] for key, (_, hints, code) in sorted(replies.items()) if code == 200 and port in hints['ports']]
total, js = run(proxy, _query)
pct = (len(js) * 100) / total if total else 0
if args.json:
out = {item[0]: {'ip': item[2], 'public': item[4], 'ports': item[6]} for item in js}
logger.info(json.dumps(out))
elif js:
#
# - justify & format the whole thing in a nice set of columns
#
logger.info('<%s> -> %d%% replies (%d pods total) ->\n' % (args.clusters, pct, len(js)))
rows = [['pod', '|', 'pod IP', '|', 'public IP', '|', 'port'], ['', '|', '', '|', '', '|', '']] + js
widths = [max(map(len, col)) for col in zip(*rows)]
for row in rows:
logger.info(' '.join((val.ljust(width) for val, width in zip(row, widths))))
return 0
def body(self, args, proxy):
outs = {}
for token in args.clusters:
def _query(zk):
replies = fire(zk, token, 'info')
return len(replies), [[key, '|', hints['ip'], '|', hints['node'], '|', hints['process'], '|', hints['state']]
for key, (_, hints, code) in sorted(replies.items()) if code == 200]
total, js = run(proxy, _query)
outs.update({item[0]: {'ip': item[2], 'node': item[4], 'process': item[6], 'state': item[8]} for item in js})
if js and not args.json:
#
# - justify & format the whole thing in a nice set of columns
#
pct = (len(js) * 100) / total
logger.info('<%s> -> %d%% replies (%d pods total) ->\n' % (token, pct, len(js)))
rows = [['pod', '|', 'pod IP', '|', 'node', '|', 'process', '|', 'state'], ['', '|', '', '|', '', '|', '', '|', '']] + js
widths = [max(map(len, col)) for col in zip(*rows)]
for row in rows:
logger.info(' '.join((val.ljust(width) for val, width in zip(row, widths))))
if args.json:
logger.info(json.dumps(outs))
def body(self, args, unknown, proxy):
port = str(args.port[0])
def _query(zk):
replies = fire(zk, args.clusters, 'info')
return len(replies), [[key, '|', hints['ip'], '|', hints['public'], '|', str(hints['ports'][port])] for key, (_, hints, code) in sorted(replies.items()) if code == 200 and port in hints['ports']]
total, js = run(proxy, _query)
pct = (len(js) * 100) / total if total else 0
if args.json:
out = {item[0]: {'ip': item[2], 'public': item[4], 'ports': item[6]} for item in js}
logger.info(json.dumps(out))
elif js:
#
# - justify & format the whole thing in a nice set of columns
#
logger.info('<%s> -> %d%% replies (%d pods total) ->\n' % (args.clusters, pct, len(js)))
rows = [['pod', '|', 'pod IP', '|', 'public IP', '|', 'TCP'], ['', '|', '', '|', '', '|', '']] + js
widths = [max(map(len, col)) for col in zip(*rows)]
for row in rows:
logger.info(' '.join((val.ljust(width) for val, width in zip(row, widths))))
return 0
def run(self):
try:
def _query(zk):
replies = fire(zk,
self.cluster,
'control/on',
subset=self.indices,
timeout=self.timeout)
return len(replies), [
seq for seq, (_, _, code) in replies.items() if code == 200
]
total, js = run(self.proxy, _query)
assert len(js) == total, '1 or more pod failed to stop'
self.out['on'] = js
self.out['ok'] = True
except AssertionError as failure:
logger.debug('%s : failed to switch on -> %s' %
(self.cluster, failure))
except Exception as failure:
logger.debug('%s : failed to switch on -> %s' %
(self.cluster, diagnostic(failure)))
def body(self, args, proxy):
for token in args.clusters:
def _query(zk):
replies = fire(zk, token, 'info')
return len(replies), \
[[key, '|', hints['ip'], '|', hints['process'], '|', hints['state']] for key, (_, hints, code) in replies.items() if code == 200]
total, js = run(proxy, _query)
if not total:
logger.info('\n<%s> -> no pods found' % token)
else:
#
# - justify & format the whole thing in a nice set of columns
#
pct = (len(js) * 100) / total
logger.info('\n<%s> -> %d%% replies (%d pods total) ->\n' % (token, pct, total))
rows = [['cluster', '|', 'pod IP', '|', 'process', '|', 'state'], ['', '|', '', '|', '', '|', '']] + js
widths = [max(map(len, col)) for col in zip(*rows)]
for row in rows:
logger.info(" ".join((val.ljust(width) for val, width in zip(row, widths))))
def body(self, args, proxy):
#
# - grab the user metrics returned in sanity_check()
# - those are returned via a POST /info
#
outs = {}
for token in args.clusters:
def _query(zk):
replies = fire(zk, token, 'info')
return len(replies), {key: hints['metrics'] for key, (index, hints, code) in replies.items() if code == 200 and 'metrics' in hints}
total, js = run(proxy, _query)
outs.update(js)
#
# - prettify if not asked for a json string
#
if js and not args.json:
pct = (len(js) * 100) / total
logger.info('%d pods, %d%% replies ->\n' % (len(js), pct))
rows = [['pod', '|', 'metrics'], ['', '|', '']] + sorted([[key, '|', json.dumps(val)] for key, val in js.iteritems()])
widths = [max(map(len, col)) for col in zip(*rows)]
for row in rows:
logger.info(' '.join((val.ljust(width) for val, width in zip(row, widths))))
if args.json:
logger.info(json.dumps(outs))
def body(self, args, _, proxy):
def _query(zk):
replies = fire(zk, args.clusters, 'info')
return len(replies), {
key: hints['metrics']
for key, (index, hints, code) in replies.items()
if code == 200 and 'metrics' in hints
}
total, js = run(proxy, _query)
pct = ((len(js) * 100) / total) if total else 0
if args.json:
logger.info(json.dumps(js))
elif js:
#
# - justify & format the whole thing in a nice set of columns
#
logger.info('<%s> -> %d%% replies (%d pods total) ->\n' %
(args.clusters, pct, len(js)))
rows = [['pod', '|', 'metrics'], ['', '|', '']] + sorted(
[[key, '|', json.dumps(val)]
for key, val in js.iteritems()])
widths = [max(map(len, col)) for col in zip(*rows)]
for row in rows:
logger.info(' '.join(
(val.ljust(width) for val, width in zip(row, widths))))
return 0
def body(self, args, proxy):
try:
with open(args.yaml[0], 'r') as f:
payload = yaml.load(f)
total = 0
merged = {}
for token in args.clusters:
def _query(zk):
replies = fire(zk, token, 'control/signal', js=json.dumps(payload))
return len(replies), {key: data for key, (_, data, code) in replies.items() if code == 200}
pods, js = run(proxy, _query)
merged.update(js)
total += pods
pct = (len(merged) * 100) / total if total else 0
logger.info(json.dumps(merged) if args.json else '%d%% replies, pinged %d pods' % (pct, len(merged)))
except IOError:
logger.info('unable to load %s' % args.yaml[0])
except YAMLError as failure:
if hasattr(failure, 'problem_mark'):
mark = failure.problem_mark
assert 0, '%s is invalid (line %s, column %s)' % (args.yaml, mark.line+1, mark.column+1)
def body(self, args, proxy):
for token in args.clusters:
def _query(zk):
replies = fire(zk, token, 'info')
return len(replies), {
key: hints
for key, (_, hints, code) in replies.items()
if code == 200
}
total, js = run(proxy, _query)
if not total:
logger.info('\n<%s> -> no pods found' % token)
else:
#
# - justify & format the whole thing in a nice set of columns
#
pct = (len(js) * 100) / total
unrolled = [
'%s\n%s\n' %
(k, json.dumps(js[k], indent=4,
separators=(',', ': ')))
for k in sorted(js.keys())
]
logger.info(
'\n<%s> -> %d%% replies (%d pods total) ->\n\n- %s' %
(token, pct, total, '\n- '.join(unrolled)))
def _spin():
def _query(zk):
replies = fire(zk, self.cluster, 'info')
return [(hints['process'], seq) for seq, hints, _ in replies.values() if hints['process'] in target]
js = run(self.proxy, _query)
assert len(js) == capacity, 'not all pods running yet'
return js
def _spin():
def _query(zk):
replies = fire(zk, self.cluster, 'info')
return [seq for seq, _, _ in replies.values()]
js = run(self.proxy, _query)
assert len(js) == target, 'not all pods running yet'
return js
def _spin():
def _query(zk):
replies = fire(zk, self.cluster, 'info')
return [seq for seq, _, _ in replies.values()]
js = run(self.proxy, _query)
assert len(js) == target, 'not all pods running yet'
return js
def _spin():
def _query(zk):
replies = fire(zk, qualified, 'info')
return [(hints['process'], seq) for seq, hints, _ in replies.values()
if hints['application'] == application and hints['process'] in target]
js = run(self.proxy, _query)
assert len(js) == self.pods, 'not all pods running yet'
return js
def _spin():
def _query(zk):
replies = fire(zk, self.cluster, 'info')
return [(hints['process'], seq)
for seq, hints, _ in replies.values()
if hints['process'] in target]
js = run(self.proxy, _query)
assert len(js) == capacity, 'not all pods running yet'
return js
def _spin():
def _query(zk):
replies = fire(zk, qualified, 'info')
return [(hints['process'], seq)
for seq, hints, _ in replies.values()
if hints['application'] == application
and hints['process'] in target]
js = run(self.proxy, _query)
assert len(js) == self.pods, 'not all pods running yet'
return js
def run(self):
try:
#
# - first turn the pod off
#
def _query(zk):
replies = fire(zk, self.cluster, 'control/off', subset=self.indices)
return [seq for _, (seq, _, code) in replies.items() if code == 200]
js = run(self.proxy, _query)
#
# - reset it
# - this will force a reconnection to zookeeper
#
def _query(zk):
replies = fire(zk, self.cluster, 'reset', subset=self.indices)
return [seq for _, (seq, _, code) in replies.items() if code == 200]
assert js == run(self.proxy, _query), 'one or more pods did not respond'
#
# - then turn the pod back on
#
def _query(zk):
replies = fire(zk, self.cluster, 'control/on', subset=self.indices)
return [seq for _, (seq, _, code) in replies.items() if code == 200]
assert js == run(self.proxy, _query), 'one or more pods did not respond'
self.out['reset'] = js
self.out['ok'] = True
except AssertionError as failure:
logger.debug('%s : failed to reset -> %s' % (self.cluster, failure))
except Exception as failure:
logger.debug('%s : failed to reset -> %s' % (self.cluster, diagnostic(failure)))
def body(self, args, proxy):
for token in args.clusters:
def _query(zk):
return fire(zk, token, 'log')
js = run(proxy, _query)
for pod in sorted(js.keys()):
_, log, code = js[pod]
if code == 200:
logger.info('\n%s ->\n\n- %s' % (pod, '- '.join(log[-64:])))
def body(self, args, proxy):
for token in args.clusters:
def _query(zk):
replies = fire(zk, token, 'control/on', subset=args.indices)
return len(replies), [pod for pod, (_, _, code) in replies.items() if code == 200]
total, js = run(proxy, _query)
if js:
pct = (len(js) * 100) / total
logger.info('<%s> -> %d%% replies, %d pods on' % (token, pct, len(js)))
def _spin():
def _query(zk):
replies = fire(zk, self.cluster, 'info')
return [(seq, hints['application'], hints['task']) for (seq, hints, _) in replies.values()]
js = run(self.proxy, _query)
if self.group is not None:
nb_pods = sum(1 for (_, key, _) in js if key == app)
else:
nb_pods = len(js)
assert nb_pods == target, 'not all pods running yet'
return js
def body(self, args, proxy):
def _query(zk):
responses = fire(zk, '*', 'info')
return {key: hints['process'] for key, (_, hints, code) in responses.items() if code == 200}
js = run(proxy, _query)
if not js:
logger.info('\n0 pods')
else:
running = [pod for pod, state in js.items() if state == 'running']
pct = int((100 * len(running)) / len(js))
logger.info('\n%d pods, %d%% running ->\n - %s' % (len(js), pct, '\n - '.join(sorted(running))))
def body(self, args, proxy):
for token in args.clusters:
def _query(zk):
return fire(zk, token, 'log')
js = run(proxy, _query)
for pod in sorted(js.keys()):
_, log, code = js[pod]
if code == 200:
logger.info('\n%s ->\n\n- %s' %
(pod, '- '.join(log[-64:])))
def body(self, args, proxy):
for token in args.clusters:
def _query(zk):
replies = fire(zk, token, 'log', subset=args.indices)
return len(replies), {key: log for key, (_, log, code) in replies.items() if code == 200}
total, js = run(proxy, _query)
if js:
pct = ((len(js) * 100) / total)
unrolled = ['- %s\n\n %s' % (key, ' '.join(log if args.long else log[-16:])) for key, log in js.items()]
logger.info('<%s> -> %d%% replies (%d pods total) ->\n%s' % (token, pct, len(js), '\n'.join(unrolled)))
def body(self, args, proxy):
for token in args.clusters:
def _query(zk):
replies = fire(zk, token, 'log', subset=args.indices)
return len(replies), {key: log for key, (_, log, code) in replies.items() if code == 200}
total, js = run(proxy, _query)
if js:
pct = ((len(js) * 100) / total)
unrolled = ['- %s\n\n %s' % (key, ' '.join(log if args.long else log[-16:])) for key, log in js.items()]
logger.info('<%s> -> %d%% replies (%d pods total) ->\n%s' % (token, pct, len(js), '\n'.join(unrolled)))
def _spin():
def _query(zk):
replies = fire(zk, self.cluster, 'control/kill', subset=self.indices, timeout=self.timeout)
return [(code, seq) for seq, _, code in replies.values()]
#
# - fire the request one or more pods
# - wait for every pod to report back a HTTP 410 (GONE)
# - this means the ochopod state-machine is now idling (e.g dead)
#
js = run(self.proxy, _query)
gone = sum(1 for code, _ in js if code == 410)
assert gone == len(js), 'at least one pod is still running'
return [seq for _, seq in js]
def body(self, args, proxy):
assert args.force or args.subset, 'you must specify --force if -i is not set'
for token in args.clusters:
def _query(zk):
replies = fire(zk, token, 'control/off', subset=args.subset)
return len(replies), [pod for pod, (_, _, code) in replies.items() if code == 200]
total, js = run(proxy, _query)
if js:
pct = (len(js) * 100) / total
logger.info('<%s> -> %d%% replies, %d pods off' % (token, pct, len(js)))
def _spin():
def _query(zk):
replies = fire(zk, self.cluster, 'control/kill', timeout=self.timeout)
return [(code, seq) for seq, _, code in replies.values()]
#
# - fire the request one or more pods
# - wait for every pod to report back a HTTP 410 (GONE)
# - this means the ochopod state-machine is now idling (e.g dead)
#
js = run(self.proxy, _query)
gone = sum(1 for code, _ in js if code == 410)
assert gone == len(js), 'at least one pod is still running'
return
def body(self, args, proxy):
for token in args.clusters:
def _query(zk):
replies = fire(zk, token, 'control/off')
return len(replies), [pod for pod, (_, hints, code) in replies.items() if code == 200]
total, js = run(proxy, _query)
if not total:
logger.info("\n<%s> -> no pods found" % token)
else:
pct = (len(js) * 100) / total
logger.info('\n<%s> -> %d%% replies, %d pods off' % (token, pct, len(js)))
def body(self, args, proxy):
outs = {}
for token in args.clusters:
def _query(zk):
replies = fire(zk, token, 'info')
return len(replies), [[
key, '|', hints['ip'], '|', hints['node'], '|',
hints['process'], '|', hints['state']
] for key, (_, hints, code) in sorted(replies.items())
if code == 200]
total, js = run(proxy, _query)
outs.update({
item[0]: {
'ip': item[2],
'node': item[4],
'process': item[6],
'state': item[8]
}
for item in js
})
if js and not args.json:
#
# - justify & format the whole thing in a nice set of columns
#
pct = (len(js) * 100) / total
logger.info('<%s> -> %d%% replies (%d pods total) ->\n' %
(token, pct, len(js)))
rows = [[
'pod', '|', 'pod IP', '|', 'node', '|', 'process', '|',
'state'
], ['', '|', '', '|', '', '|', '', '|', '']] + js
widths = [max(map(len, col)) for col in zip(*rows)]
for row in rows:
logger.info(' '.join(
(val.ljust(width)
for val, width in zip(row, widths))))
if args.json:
logger.info(json.dumps(outs))
def body(self, args, _, proxy):
def _query(zk):
replies = fire(zk, '*', 'info')
return len(replies), {
key: hints
for key, (_, hints, code) in replies.items() if code == 200
}
out = {}
total, js = run(proxy, _query)
pct = ((len(js) * 100) / total) if total else 0
for key, hints in js.items():
qualified = key.split(' ')[0]
if not qualified in out:
out[qualified] = \
{
'total': 0,
'running': 0,
'status': ''
}
item = out[qualified]
item['total'] += 1
if hints['process'] == 'running':
item['running'] += 1
if 'status' in hints and hints['status']:
item['status'] = hints['status']
if args.json:
logger.info(json.dumps(out))
elif js:
logger.info('%d pods, %d%% replies ->\n' % (len(js), pct))
unrolled = [[
key, '|',
'%d/%d' % (item['running'], item['total']), '|',
item['status']
] for key, item in sorted(out.items())]
rows = [['cluster', '|', 'ok', '|', 'status'],
['', '|', '', '|', '']] + unrolled
widths = [max(map(len, col)) for col in zip(*rows)]
for row in rows:
logger.info(' '.join(
(val.ljust(width) for val, width in zip(row, widths))))
return 0
def body(self, args, _, proxy):
def _query(zk):
replies = fire(zk, args.clusters, 'log', subset=args.indices)
return len(replies), {key: log for key, (_, log, code) in replies.items() if code == 200}
total, js = run(proxy, _query)
pct = ((len(js) * 100) / total) if total else 0
if js:
#
# - justify & format the whole thing
#
unrolled = ['- %s\n\n %s' % (key, ' '.join(log if args.long else log[-16:])) for key, log in js.items()]
logger.info('<%s> -> %d%% replies (%d pods total) ->\n%s' % (args.clusters, pct, len(js), '\n'.join(unrolled)))
return 0
def body(self, args, proxy):
for token in args.clusters:
def _query(zk):
replies = fire(zk,
token,
'control/on',
subset=args.indices)
return len(replies), [
pod for pod, (_, _, code) in replies.items()
if code == 200
]
total, js = run(proxy, _query)
if js:
pct = (len(js) * 100) / total
logger.info('<%s> -> %d%% replies, %d pods on' %
(token, pct, len(js)))
def body(self, args, unknown, proxy):
assert args.force or args.indices, 'you must specify --force if -i is not set'
if unknown is not None:
args.cmdline += unknown
files = {}
headers = {'X-Shell': ' '.join(args.cmdline)}
for token in args.cmdline:
if path.isfile(token):
with open(token, 'rb') as f:
files[token] = f.read()
def _query(zk):
replies = fire(zk,
args.clusters[0],
'exec',
subset=args.indices,
headers=headers,
files=files,
timeout=args.timeout)
return len(replies), {
key: js
for key, (_, js, code) in replies.items() if code == 200
}
total, js = run(proxy, _query)
pct = ((len(js) * 100) / total) if total else 0
if args.json:
logger.info(json.dumps(js))
elif js:
logger.info('<%s> -> %d%% replies (%d pods total) ->\n' %
(args.clusters[0], pct, len(js)))
for key, log in js.items():
suffix = '\n\n %s\n' % '\n '.join(
log['stdout']) if log['stdout'] else ''
logger.info('- %s (exit code %d)%s' %
(key, log['code'], suffix))
return 0 if pct == 100 else 1
def body(self, args, proxy):
def _query(zk):
replies = fire(zk, '*', 'info')
return len(replies), [hints['node'] for _, (_, hints, code) in replies.items() if code == 200]
total, js = run(proxy, _query)
if js:
rollup = {key: 0 for key in set(js)}
for node in js:
rollup[node] += 1
pct = (100 * len(js)) / total
logger.info('%d pods, %d%% replies ->\n' % (len(js), pct))
unrolled = [[key, '|', '%d%%' % ((100 * n) / total)] for key, n in sorted(rollup.items())]
rows = [['node', '|', 'load'], ['', '|', '']] + unrolled
widths = [max(map(len, col)) for col in zip(*rows)]
for row in rows:
logger.info(' '.join((val.ljust(width) for val, width in zip(row, widths))))
def run(self):
try:
def _query(zk):
replies = fire(zk, self.cluster, 'control/on', subset=self.indices, timeout=self.timeout)
return len(replies), [seq for seq, (_, _, code) in replies.items() if code == 200]
total, js = run(self.proxy, _query)
assert len(js) == total, '1 or more pod failed to stop'
self.out['on'] = js
self.out['ok'] = True
except AssertionError as failure:
logger.debug('%s : failed to switch on -> %s' % (self.cluster, failure))
except Exception as failure:
logger.debug('%s : failed to switch on -> %s' % (self.cluster, diagnostic(failure)))
def body(self, args, proxy):
try:
with open(args.yaml[0], 'r') as f:
payload = yaml.load(f)
total = 0
merged = {}
for token in args.clusters:
def _query(zk):
replies = fire(zk,
token,
'control/signal',
js=json.dumps(payload))
return len(replies), {
key: data
for key, (_, data, code) in replies.items()
if code == 200
}
pods, js = run(proxy, _query)
merged.update(js)
total += pods
pct = (len(merged) * 100) / total if total else 0
logger.info(
json.dumps(merged) if args.
json else '%d%% replies, pinged %d pods' %
(pct, len(merged)))
except IOError:
logger.info('unable to load %s' % args.yaml[0])
except YAMLError as failure:
if hasattr(failure, 'problem_mark'):
mark = failure.problem_mark
assert 0, '%s is invalid (line %s, column %s)' % (
args.yaml, mark.line + 1, mark.column + 1)
def body(self, args, proxy):
port = str(args.port[0])
for cluster in args.clusters:
def _query(zk):
replies = fire(zk, cluster, 'info')
return len(replies), [[key, '|', hints['ip'], '|', hints['public'], '|', str(hints['ports'][port])] for key, (_, hints, code) in sorted(replies.items()) if code == 200 and port in hints['ports']]
total, js = run(proxy, _query)
if js:
#
# - justify & format the whole thing in a nice set of columns
#
pct = (len(js) * 100) / total
logger.info('<%s> -> %d%% replies (%d pods total) ->\n' % (cluster, pct, len(js)))
rows = [['pod', '|', 'pod IP', '|', 'public IP', '|', 'TCP'], ['', '|', '', '|', '']] + js
widths = [max(map(len, col)) for col in zip(*rows)]
for row in rows:
logger.info(' '.join((val.ljust(width) for val, width in zip(row, widths))))
def body(self, args, proxy):
for token in args.clusters:
def _query(zk):
replies = fire(zk, token, 'info')
return len(replies), {key: hints for key, (_, hints, code) in replies.items() if code == 200}
total, js = run(proxy, _query)
if not total:
logger.info('\n<%s> -> no pods found' % token)
else:
#
# - justify & format the whole thing in a nice set of columns
#
pct = (len(js) * 100) / total
unrolled = ['%s\n%s\n' % (k, json.dumps(js[k], indent=4, separators=(',', ': '))) for k in sorted(js.keys())]
logger.info('\n<%s> -> %d%% replies (%d pods total) ->\n\n- %s' % (token, pct, total, '\n- '.join(unrolled)))
def body(self, args, proxy):
assert args.force or args.indices, 'you must specify --force if -i is not set'
for token in args.clusters:
def _query(zk):
replies = fire(zk,
token,
'control/off',
subset=args.indices)
return len(replies), [
pod for pod, (_, _, code) in replies.items()
if code == 200
]
total, js = run(proxy, _query)
if js:
pct = (len(js) * 100) / total
logger.info('<%s> -> %d%% replies, %d pods off' %
(token, pct, len(js)))
def body(self, args, proxy):
def _query(zk):
replies = fire(zk, '*', 'info')
return len(replies), {key: hints for key, (_, hints, code) in replies.items() if code == 200}
total, js = run(proxy, _query)
if js:
out = {}
for key, hints in js.items():
qualified = key.split(' ')[0]
if not qualified in out:
out[qualified] = \
{
'total': 0,
'running': 0,
'status': ''
}
item = out[qualified]
item['total'] += 1
if hints['process'] == 'running':
item['running'] += 1
if 'status' in hints and hints['status']:
item['status'] = hints['status']
if args.json:
logger.info(json.dumps(out))
else:
pct = (100 * len(js)) / total
logger.info('%d pods, %d%% replies ->\n' % (len(js), pct))
unrolled = [[key, '|', '%d/%d' % (item['running'], item['total']), '|', item['status']] for key, item in sorted(out.items())]
rows = [['cluster', '|', 'ok', '|', 'status'], ['', '|', '', '|', '']] + unrolled
widths = [max(map(len, col)) for col in zip(*rows)]
for row in rows:
logger.info(' '.join((val.ljust(width) for val, width in zip(row, widths))))
def body(self, args, _, proxy):
def _query(zk):
replies = fire(zk, args.clusters, 'info')
return len(replies), {key: hints['metrics'] for key, (index, hints, code) in replies.items() if code == 200 and 'metrics' in hints}
total, js = run(proxy, _query)
pct = ((len(js) * 100) / total) if total else 0
if args.json:
logger.info(json.dumps(js))
elif js:
#
# - justify & format the whole thing in a nice set of columns
#
logger.info('<%s> -> %d%% replies (%d pods total) ->\n' % (args.clusters, pct, len(js)))
rows = [['pod', '|', 'metrics'], ['', '|', '']] + sorted([[key, '|', json.dumps(val)] for key, val in js.iteritems()])
widths = [max(map(len, col)) for col in zip(*rows)]
for row in rows:
logger.info(' '.join((val.ljust(width) for val, width in zip(row, widths))))
return 0
def body(self, args, proxy):
def _query(zk):
replies = fire(zk, '*', 'info')
return len(replies), [
hints['node'] for _, (_, hints, code) in replies.items()
if code == 200
]
total, js = run(proxy, _query)
if js:
rollup = {key: 0 for key in set(js)}
for node in js:
rollup[node] += 1
pct = (100 * len(js)) / total
logger.info('%d pods, %d%% replies ->\n' % (len(js), pct))
unrolled = [[key, '|', '%d%%' % ((100 * n) / total)]
for key, n in sorted(rollup.items())]
rows = [['node', '|', 'load'], ['', '|', '']] + unrolled
widths = [max(map(len, col)) for col in zip(*rows)]
for row in rows:
logger.info(' '.join(
(val.ljust(width) for val, width in zip(row, widths))))
def body(self, args, _, proxy):
def _query(zk):
replies = fire(zk, args.clusters, 'log', subset=args.indices)
return len(replies), {
key: log
for key, (_, log, code) in replies.items() if code == 200
}
total, js = run(proxy, _query)
pct = ((len(js) * 100) / total) if total else 0
if js:
#
# - justify & format the whole thing
#
unrolled = [
'- %s\n\n %s' %
(key, ' '.join(log if args.long else log[-16:]))
for key, log in js.items()
]
logger.info('<%s> -> %d%% replies (%d pods total) ->\n%s' %
(args.clusters, pct, len(js), '\n'.join(unrolled)))
return 0
def body(self, args, proxy):
outs = {}
port = str(args.port[0])
for cluster in args.clusters:
def _query(zk):
replies = fire(zk, cluster, "info")
return (
len(replies),
[
[key, "|", hints["ip"], "|", hints["public"], "|", str(hints["ports"][port])]
for key, (_, hints, code) in sorted(replies.items())
if code == 200 and port in hints["ports"]
],
)
total, js = run(proxy, _query)
outs.update({item[0]: {"ip": item[2], "public": item[4], "ports": item[6]} for item in js})
if js and not args.json:
#
# - justify & format the whole thing in a nice set of columns
#
pct = (len(js) * 100) / total
logger.info("<%s> -> %d%% replies (%d pods total) ->\n" % (cluster, pct, len(js)))
rows = [["pod", "|", "pod IP", "|", "public IP", "|", "TCP"], ["", "|", "", "|", "", "|", ""]] + js
widths = [max(map(len, col)) for col in zip(*rows)]
for row in rows:
logger.info(" ".join((val.ljust(width) for val, width in zip(row, widths))))
if args.json:
logger.info(json.dumps(outs))
def run(self):
try:
#
# - we need to pass the framework master IPs around (ugly)
#
assert 'MARATHON_MASTER' in os.environ, '$MARATHON_MASTER not specified (check your portal pod)'
master = choice(os.environ['MARATHON_MASTER'].split(','))
headers = \
{
'content-type': 'application/json',
'accept': 'application/json'
}
#
# - first peek and see what pods we have
# - they should all map to one single marathon application (abort if not)
# - we'll use the application identifier to retrieve the configuration json later on
#
def _query(zk):
replies = fire(zk, self.cluster, 'info')
return [
hints['application'] for (_, hints, _) in replies.values()
]
js = run(self.proxy, _query)
assert len(
set(js)
) == 1, '%s is mapping to 2+ marathon applications' % self.cluster
app = js[0]
#
# - fetch the various versions for our app
# - we want to get hold of the most recent configuration
#
url = 'http://%s/v2/apps/%s/versions' % (master, app)
reply = get(url, headers=headers)
code = reply.status_code
logger.debug('-> %s (HTTP %d)' % (url, code))
assert code == 200 or code == 201, 'delete failed (HTTP %d)' % code
js = reply.json()
#
# - retrieve the latest one
# - keep the docker container configuration and the # of tasks around
#
last = js['versions'][0]
url = 'http://%s/v2/apps/%s/versions/%s' % (master, app, last)
reply = get(url, headers=headers)
code = reply.status_code
logger.debug('-> %s (HTTP %d)' % (url, code))
assert code == 200 or code == 201, 'delete failed (HTTP %d)' % code
js = reply.json()
spec = js['container']
tag = spec['docker']['image']
capacity = js['instances']
#
# - kill all the pods using a POST /control/kill
# - wait for them to be dead
#
@retry(timeout=self.timeout, pause=0)
def _spin():
def _query(zk):
replies = fire(zk,
self.cluster,
'control/kill',
timeout=self.timeout)
return [(code, seq) for seq, _, code in replies.values()]
#
# - fire the request one or more pods
# - wait for every pod to report back a HTTP 410 (GONE)
# - this means the ochopod state-machine is now idling (e.g dead)
#
js = run(self.proxy, _query)
gone = sum(1 for code, _ in js if code == 410)
assert gone == len(js), 'at least one pod is still running'
return
_spin()
#
# - grab the docker image
# - just add a :<version> suffix (or replace it) but don't change the image proper
# - update the image and PUT the new configuration back
# - marathon will then kill & re-start all the tasks
#
tokens = tag.split(':')
spec['docker']['image'] = \
'%s:%s' % (tag, self.version) if len(tokens) < 2 else '%s:%s' % (tokens[0], self.version)
js = \
{
'container': spec
}
url = 'http://%s/v2/apps/%s' % (master, app)
reply = put(url, data=json.dumps(js), headers=headers)
code = reply.status_code
logger.debug('-> %s (HTTP %d)' % (url, code))
logger.debug(reply.text)
assert code == 200 or code == 201, 'update failed (HTTP %d)' % code
#
# - the pods should now be starting
# - wait for all the pods to be in the 'running' mode (they are 'dead' right now)
# - the sequence counters allocated to our new pods are returned as well
#
target = ['running'] if self.strict else ['stopped', 'running']
@retry(timeout=self.timeout, pause=3, default={})
def _spin():
def _query(zk):
replies = fire(zk, self.cluster, 'info')
return [(hints['process'], seq)
for seq, hints, _ in replies.values()
if hints['process'] in target]
js = run(self.proxy, _query)
assert len(js) == capacity, 'not all pods running yet'
return js
js = _spin()
up = [seq for _, seq in js]
assert len(up) == capacity, '1+ pods still not up (%d/%d)' % (
len(up), capacity)
self.out['up'] = up
self.out['ok'] = True
logger.debug('%s : %d pods updated to version "%s"' %
(self.cluster, capacity, self.version))
except AssertionError as failure:
logger.debug('%s : failed to bump -> %s' % (self.cluster, failure))
except Exception as failure:
logger.debug('%s : failed to bump -> %s' %
(self.cluster, diagnostic(failure)))
def run(self):
try:
#
# - we need to pass the framework master IPs around (ugly)
#
assert 'MARATHON_MASTER' in os.environ, '$MARATHON_MASTER not specified (check your portal pod)'
master = choice(os.environ['MARATHON_MASTER'].split(','))
headers = \
{
'content-type': 'application/json',
'accept': 'application/json'
}
#
# - first peek and see what pods we have
#
def _query(zk):
replies = fire(zk, self.cluster, 'info')
return [(seq, hints['application'], hints['task']) for (seq, hints, _) in replies.values()]
#
# - remap a bit differently and get an ordered list of task identifiers
# - we'll use that to kill the newest pods
#
js = run(self.proxy, _query)
total = len(js)
if self.group is not None:
#
# - if -g was specify apply the scaling to the underlying marathon application containing that pod
# - be careful to update the task list and total # of pods
#
keys = {seq: key for (seq, key, _) in js}
assert self.group in keys, '#%d is not a valid pod index' % self.group
app = keys[self.group]
tasks = [(seq, task) for (seq, key, task) in sorted(js, key=(lambda _: _[0])) if key == app]
total = sum(1 for (_, key, _) in js if key == app)
else:
#
# - check and make sure all our pods map to one single marathon application
#
keys = set([key for (_, key, _) in js])
assert len(keys) == 1, '%s maps to more than one application, you must specify -g' % self.cluster
tasks = [(seq, task) for (seq, _, task) in sorted(js, key=(lambda _: _[0]))]
app = keys.pop()
#
# - infer the target # of pods based on the user-defined factor
#
operator = self.factor[0]
assert operator in ['@', 'x'], 'invalid operator'
n = float(self.factor[1:])
target = n if operator == '@' else total * n
#
# - clip the target # of pods down to 1
#
target = max(1, int(target))
self.out['delta'] = target - total
if target > total:
#
# - scale the application capacity up
#
js = \
{
'instances': target
}
url = 'http://%s/v2/apps/%s' % (master, app)
reply = put(url, data=json.dumps(js), headers=headers)
code = reply.status_code
logger.debug('-> %s (HTTP %d)' % (url, code))
assert code == 200 or code == 201, 'update failed (HTTP %d)' % code
#
# - wait for all our new pods to be there
#
@retry(timeout=self.timeout, pause=3, default={})
def _spin():
def _query(zk):
replies = fire(zk, self.cluster, 'info')
return [seq for seq, _, _ in replies.values()]
js = run(self.proxy, _query)
assert len(js) == target, 'not all pods running yet'
return js
_spin()
elif target < total:
#
# - if the fifo switch is on make sure to pick the oldest pods for deletion
#
tasks = tasks[:total - target] if self.fifo else tasks[target:]
#
# - kill all (or part of) the pods using a POST /control/kill
# - wait for them to be dead
#
@retry(timeout=self.timeout, pause=0)
def _spin():
def _query(zk):
indices = [seq for (seq, _) in tasks]
replies = fire(zk, self.cluster, 'control/kill', subset=indices, timeout=self.timeout)
return [(code, seq) for seq, _, code in replies.values()]
#
# - fire the request one or more pods
# - wait for every pod to report back a HTTP 410 (GONE)
# - this means the ochopod state-machine is now idling (e.g dead)
#
js = run(self.proxy, _query)
gone = sum(1 for code, _ in js if code == 410)
assert gone == len(js), 'at least one pod is still running'
return
_spin()
#
# - delete all the underlying tasks at once using POST v2/tasks/delete
#
js = \
{
'ids': [task for (_, task) in tasks]
}
url = 'http://%s/v2/tasks/delete?scale=true' % master
reply = post(url, data=json.dumps(js), headers=headers)
code = reply.status_code
logger.debug('-> %s (HTTP %d)' % (url, code))
assert code == 200 or code == 201, 'delete failed (HTTP %d)' % code
self.out['ok'] = True
except AssertionError as failure:
logger.debug('%s : failed to scale -> %s' % (self.cluster, failure))
except Exception as failure:
logger.debug('%s : failed to scale -> %s' % (self.cluster, diagnostic(failure)))
def run(self):
try:
#
# - we need to pass the framework master IPs around (ugly)
#
assert 'MARATHON_MASTER' in os.environ, '$MARATHON_MASTER not specified (check your portal pod)'
master = choice(os.environ['MARATHON_MASTER'].split(','))
headers = \
{
'content-type': 'application/json',
'accept': 'application/json'
}
#
# - first peek and see what pods we have
#
def _query(zk):
replies = fire(zk, self.cluster, 'info')
return [(seq, hints['application'], hints['task'])
for (seq, hints, _) in replies.values()]
#
# - remap a bit differently and get an ordered list of task identifiers
# - we'll use that to kill the newest pods
#
js = run(self.proxy, _query)
total = len(js)
if self.group is not None:
#
# - if -g was specify apply the scaling to the underlying marathon application containing that pod
# - be careful to update the task list and total # of pods
#
keys = {seq: key for (seq, key, _) in js}
assert self.group in keys, '#%d is not a valid pod index' % self.group
app = keys[self.group]
tasks = [(seq, task)
for (seq, key,
task) in sorted(js, key=(lambda _: _[0]))
if key == app]
total = sum(1 for (_, key, _) in js if key == app)
else:
#
# - check and make sure all our pods map to one single marathon application
#
keys = set([key for (_, key, _) in js])
assert len(
keys
) == 1, '%s maps to more than one application, you must specify -g' % self.cluster
tasks = [(seq, task)
for (seq, _, task) in sorted(js, key=(lambda _: _[0]))
]
app = keys.pop()
#
# - infer the target # of pods based on the user-defined factor
#
operator = self.factor[0]
assert operator in ['@', 'x'], 'invalid operator'
n = float(self.factor[1:])
target = n if operator == '@' else total * n
#
# - clip the target # of pods down to 1
#
target = max(1, int(target))
self.out['delta'] = target - total
if target > total:
#
# - scale the application capacity up
#
js = \
{
'instances': target
}
url = 'http://%s/v2/apps/%s' % (master, app)
reply = put(url, data=json.dumps(js), headers=headers)
code = reply.status_code
logger.debug('-> %s (HTTP %d)' % (url, code))
assert code == 200 or code == 201, 'update failed (HTTP %d)' % code
#
# - wait for all our new pods to be there
#
@retry(timeout=self.timeout, pause=3, default={})
def _spin():
def _query(zk):
replies = fire(zk, self.cluster, 'info')
return [seq for seq, _, _ in replies.values()]
js = run(self.proxy, _query)
assert len(js) == target, 'not all pods running yet'
return js
_spin()
elif target < total:
#
# - if the fifo switch is on make sure to pick the oldest pods for deletion
#
tasks = tasks[:total - target] if self.fifo else tasks[target:]
#
# - kill all (or part of) the pods using a POST /control/kill
# - wait for them to be dead
#
@retry(timeout=self.timeout, pause=0)
def _spin():
def _query(zk):
indices = [seq for (seq, _) in tasks]
replies = fire(zk,
self.cluster,
'control/kill',
subset=indices,
timeout=self.timeout)
return [(code, seq)
for seq, _, code in replies.values()]
#
# - fire the request one or more pods
# - wait for every pod to report back a HTTP 410 (GONE)
# - this means the ochopod state-machine is now idling (e.g dead)
#
js = run(self.proxy, _query)
gone = sum(1 for code, _ in js if code == 410)
assert gone == len(js), 'at least one pod is still running'
return
_spin()
#
# - delete all the underlying tasks at once using POST v2/tasks/delete
#
js = \
{
'ids': [task for (_, task) in tasks]
}
url = 'http://%s/v2/tasks/delete?scale=true' % master
reply = post(url, data=json.dumps(js), headers=headers)
code = reply.status_code
logger.debug('-> %s (HTTP %d)' % (url, code))
assert code == 200 or code == 201, 'delete failed (HTTP %d)' % code
self.out['ok'] = True
except AssertionError as failure:
logger.debug('%s : failed to scale -> %s' %
(self.cluster, failure))
except Exception as failure:
logger.debug('%s : failed to scale -> %s' %
(self.cluster, diagnostic(failure)))
def run(self):
try:
#
# - we need to pass the framework master IPs around (ugly)
#
assert 'MARATHON_MASTER' in os.environ, '$MARATHON_MASTER not specified (check your portal pod)'
master = choice(os.environ['MARATHON_MASTER'].split(','))
headers = \
{
'content-type': 'application/json',
'accept': 'application/json'
}
#
# - kill all (or part of) the pods using a POST /control/kill
# - wait for them to be dead
# - warning, /control/kill will block (hence the 5 seconds timeout)
#
@retry(timeout=self.timeout, pause=0)
def _spin():
def _query(zk):
replies = fire(zk,
self.cluster,
'control/kill',
subset=self.indices,
timeout=self.timeout)
return [(code, seq) for seq, _, code in replies.values()]
#
# - fire the request one or more pods
# - wait for every pod to report back a HTTP 410 (GONE)
# - this means the ochopod state-machine is now idling (e.g dead)
#
js = run(self.proxy, _query)
gone = sum(1 for code, _ in js if code == 410)
assert gone == len(js), 'at least one pod is still running'
return [seq for _, seq in js]
down = _spin()
self.out['down'] = down
assert down, 'the cluster is either invalid or empty'
logger.debug('%s : %d dead pods -> %s' %
(self.cluster, len(down), ', '.join(
['#%d' % seq for seq in down])))
#
# - now peek and see what pods we have
# - we want to know what the underlying marathon application & task are
#
def _query(zk):
replies = fire(zk, self.cluster, 'info', subset=self.indices)
return [(hints['application'], hints['task'])
for _, hints, _ in replies.values()]
js = run(self.proxy, _query)
rollup = {key: [] for key in set([key for key, _ in js])}
for app, task in js:
rollup[app] += [task]
#
# - go through each application
# - query the it and check how many tasks it currently has
# - the goal is to check if we should nuke the whole application or not
#
for app, tasks in rollup.items():
url = 'http://%s/v2/apps/%s/tasks' % (master, app)
reply = get(url, headers=headers)
code = reply.status_code
logger.debug('%s : -> %s (HTTP %d)' %
(self.cluster, url, code))
assert code == 200, 'task lookup failed (HTTP %d)' % code
js = reply.json()
if len(tasks) == len(js['tasks']):
#
# - all the containers running for that application were reported as dead
# - issue a DELETE /v2/apps to nuke the whole thing
#
url = 'http://%s/v2/apps/%s' % (master, app)
reply = delete(url, headers=headers)
code = reply.status_code
logger.debug('%s : -> %s (HTTP %d)' %
(self.cluster, url, code))
assert code == 200 or code == 204, 'application deletion failed (HTTP %d)' % code
else:
#
# - we killed a subset of that application's pods
# - cherry pick the underlying tasks and delete them at once using POST v2/tasks/delete
#
js = \
{
'ids': tasks
}
url = 'http://%s/v2/tasks/delete?scale=true' % master
reply = post(url, data=json.dumps(js), headers=headers)
code = reply.status_code
logger.debug('-> %s (HTTP %d)' % (url, code))
assert code == 200 or code == 201, 'delete failed (HTTP %d)' % code
self.out['ok'] = True
except AssertionError as failure:
logger.debug('%s : failed to kill -> %s' % (self.cluster, failure))
except Exception as failure:
logger.debug('%s : failed to kill -> %s' %
(self.cluster, diagnostic(failure)))
def run(self):
try:
#
# - we need to pass the framework master IPs around (ugly)
#
assert 'MARATHON_MASTER' in os.environ, '$MARATHON_MASTER not specified (check your portal pod)'
master = choice(os.environ['MARATHON_MASTER'].split(','))
headers = \
{
'content-type': 'application/json',
'accept': 'application/json'
}
#
# - first peek and see what pods we have
# - they should all map to one single marathon application (abort if not)
# - we'll use the application identifier to retrieve the configuration json later on
#
def _query(zk):
replies = fire(zk, self.cluster, 'info')
return [hints['application'] for (_, hints, _) in replies.values()]
js = run(self.proxy, _query)
assert len(set(js)) == 1, '%s is mapping to 2+ marathon applications' % self.cluster
app = js[0]
#
# - fetch the various versions for our app
# - we want to get hold of the most recent configuration
#
url = 'http://%s/v2/apps/%s/versions' % (master, app)
reply = get(url, headers=headers)
code = reply.status_code
logger.debug('-> %s (HTTP %d)' % (url, code))
assert code == 200 or code == 201, 'delete failed (HTTP %d)' % code
js = reply.json()
#
# - retrieve the latest one
# - keep the docker container configuration and the # of tasks around
#
last = js['versions'][0]
url = 'http://%s/v2/apps/%s/versions/%s' % (master, app, last)
reply = get(url, headers=headers)
code = reply.status_code
logger.debug('-> %s (HTTP %d)' % (url, code))
assert code == 200 or code == 201, 'delete failed (HTTP %d)' % code
js = reply.json()
spec = js['container']
tag = spec['docker']['image']
capacity = js['instances']
#
# - kill all the pods using a POST /control/kill
# - wait for them to be dead
#
@retry(timeout=self.timeout, pause=0)
def _spin():
def _query(zk):
replies = fire(zk, self.cluster, 'control/kill', timeout=self.timeout)
return [(code, seq) for seq, _, code in replies.values()]
#
# - fire the request one or more pods
# - wait for every pod to report back a HTTP 410 (GONE)
# - this means the ochopod state-machine is now idling (e.g dead)
#
js = run(self.proxy, _query)
gone = sum(1 for code, _ in js if code == 410)
assert gone == len(js), 'at least one pod is still running'
return
_spin()
#
# - grab the docker image
# - just add a :<version> suffix (or replace it) but don't change the image proper
# - update the image and PUT the new configuration back
# - marathon will then kill & re-start all the tasks
#
tokens = tag.split(':')
spec['docker']['image'] = \
'%s:%s' % (tag, self.version) if len(tokens) < 2 else '%s:%s' % (tokens[0], self.version)
js = \
{
'container': spec
}
url = 'http://%s/v2/apps/%s' % (master, app)
reply = put(url, data=json.dumps(js), headers=headers)
code = reply.status_code
logger.debug('-> %s (HTTP %d)' % (url, code))
logger.debug(reply.text)
assert code == 200 or code == 201, 'update failed (HTTP %d)' % code
#
# - the pods should now be starting
# - wait for all the pods to be in the 'running' mode (they are 'dead' right now)
# - the sequence counters allocated to our new pods are returned as well
#
target = ['running'] if self.strict else ['stopped', 'running']
@retry(timeout=self.timeout, pause=3, default={})
def _spin():
def _query(zk):
replies = fire(zk, self.cluster, 'info')
return [(hints['process'], seq) for seq, hints, _ in replies.values() if hints['process'] in target]
js = run(self.proxy, _query)
assert len(js) == capacity, 'not all pods running yet'
return js
js = _spin()
up = [seq for _, seq in js]
assert len(up) == capacity, '1+ pods still not up (%d/%d)' % (len(up), capacity)
self.out['up'] = up
self.out['ok'] = True
logger.debug('%s : %d pods updated to version "%s"' % (self.cluster, capacity, self.version))
except AssertionError as failure:
logger.debug('%s : failed to bump -> %s' % (self.cluster, failure))
except Exception as failure:
logger.debug('%s : failed to bump -> %s' % (self.cluster, diagnostic(failure)))
def run(self):
try:
#
# - workaround to fetch the master IP and credentials as there does not seem to
# be a way to use 10.0.0.2 from within the pod
#
assert 'KUBERNETES_MASTER' in os.environ, '$KUBERNETES_MASTER not specified (check your portal pod)'
assert 'KUBERNETES_USER' in os.environ, '$KUBERNETES_USER not specified (check your portal pod)'
assert 'KUBERNETES_PWD' in os.environ, '$KUBERNETES_PWD not specified (check your portal pod)'
auth = HTTPBasicAuth(os.environ['KUBERNETES_USER'], os.environ['KUBERNETES_PWD'])
def _query(zk):
replies = fire(zk, self.cluster, 'info')
return len(replies), {key: hints for key, (_, hints, code) in replies.items() if code == 200}
#
# - each pod refers to its controller via the 'application' hint
#
total, js = run(self.proxy, _query)
assert total == len(js), 'failure to communicate with one or more pods'
for key in set([hints['application'] for hints in js.values()]):
#
# - HTTP DELETE the controller via the master API
#
url = 'https://%s/api/v1beta3/namespaces/default/replicationcontrollers/%s' % (os.environ['KUBERNETES_MASTER'], key)
reply = requests.delete(url, auth=auth,verify=False)
code = reply.status_code
logger.debug('-> DELETE %s (HTTP %d)' % (url, code))
assert code == 200 or code == 201, 'replication controller deletion failed (HTTP %d)' % code
#
# - the 'task' hint is the pod's identifier
#
for key, hints in js.items():
#
# - HTTP DELETE the pod via the master API
#
url = 'https://%s/api/v1beta3/namespaces/default/pods/%s' % (os.environ['KUBERNETES_MASTER'], hints['task'])
reply = requests.delete(url, auth=auth,verify=False)
code = reply.status_code
logger.debug('-> DELETE %s (HTTP %d)' % (url, code))
assert code == 200 or code == 201, 'pod deletion failed (HTTP %d)' % code
self.killed = len(js)
self.ok = 1
except AssertionError as failure:
logger.debug('%s : failed to deploy -> %s' % (self.cluster, failure))
except YAMLError as failure:
if hasattr(failure, 'problem_mark'):
mark = failure.problem_mark
logger.debug('%s : invalid deploy.yml (line %s, column %s)' % (self.cluster, mark.line+1, mark.column+1))
except Exception as failure:
logger.debug('%s : failed to deploy -> %s' % (self.cluster, diagnostic(failure)))