def nodes_get_masters_info(request):
try:
masters, myself = utils.masters_detail(
request.args['host'], int(request.args['port']))
return base.json_result({
'masters': masters,
'myself': {
'role': myself.role_in_cluster,
'slots': len(myself.assigned_slots),
},
})
except SocketError:
return base.json_result({
'masters': [],
'myself': {'role': 'master', 'slots': 0},
})
def create_eru_proxy(request):
container_info = None
try:
cluster = models.cluster.get_by_id(int(request.form['cluster_id']))
if cluster is None or len(cluster.nodes) == 0:
raise ValueError('no such cluster')
port = int(request.form.get('port', 8889))
if not 8000 <= port <= 9999:
raise ValueError('invalid port')
container_info = deploy_proxy(
request.form['pod'], int(request.form['threads']),
request.form.get('read_slave') == 'rs',
request.form['netmode'], host=request.form.get('host'),
port=port)
models.proxy.create_eru_instance(
container_info['address'], port, cluster.id,
container_info['container_id'])
_set_proxy_remote(container_info['address'], port,
cluster.nodes[0].host, cluster.nodes[0].port)
return base.json_result(container_info)
except IntegrityError:
if container_info is not None:
rm_containers([container_info['container_id']])
raise ValueError('exists')
except BaseException as exc:
logging.exception(exc)
raise
def fetch_stats(request):
host = request.args['host']
if not PAT_HOST.match(host):
raise ValueError('Invalid hostname')
port = int(request.args['port'])
limit = min(int(request.args['limit']), 1000)
result = {}
for field in RES_FIELDS:
q = stats.db.client.query(
'''select mean(%s) from "%s:%d" group by time(2m) limit %d'''
% (field, host, port, limit))
result[field] = q[0]['points']
for field in INT_FIELDS:
q = stats.db.client.query(
'''select max(%s) from "%s:%d" group by time(2m) limit %d'''
% (field, host, port, limit))
result[field] = q[0]['points']
for field in DERV_FIELDS:
q = stats.db.client.query(
'select derivative(%s) from "%s:%d" group by time(2m) limit %d'
% (field, host, port, limit))
result[field] = q[0]['points']
return base.json_result(result)
def sequence(request):
m = []
now = int(time.time())
for c in proxy.list_ip():
node = '%s:%d' % (c[0], c[1])
result = stats.client.query_request(node, now)
if result:
m.append(result)
return base.json_result(m)
def sequence(request):
m = []
now = int(time.time())
for c in proxy.list_ip():
node = '%s:%d' % (c[0], c[1])
result = stats.client.query_request(node, now)
if result:
m.append(result)
return base.json_result(m)
def nodes_get_masters_info(request):
try:
masters, myself = utils.masters_detail(request.args['host'],
int(request.args['port']))
return base.json_result({
'masters': masters,
'myself': {
'role': myself.role_in_cluster,
'slots': len(myself.assigned_slots),
},
})
except SocketError:
return base.json_result({
'masters': [],
'myself': {
'role': 'master',
'slots': 0
},
})
def list_clusters(request):
r = []
for c in models.cluster.list_all():
if len(c.nodes) == 0:
continue
r.append({
'id': c.id,
'descr': c.description,
'nodes': len(c.nodes),
})
return base.json_result(r)
def list_clusters(request):
r = []
for c in models.cluster.list_all():
if len(c.nodes) == 0:
continue
r.append({
'id': c.id,
'descr': c.description,
'nodes': len(c.nodes),
})
return base.json_result(r)
def node_exec_command(request):
t = Talker(request.form['host'], int(request.form['port']))
try:
r = t.talk(*json.loads(request.form['cmd']))
except ValueError as e:
r = None if e.message == 'No reply' else ('-ERROR: ' + e.message)
except ReplyError as e:
r = '-' + e.message
finally:
t.close()
return base.json_result(r)
def node_exec_command(request):
t = Talker(request.form['host'], int(request.form['port']))
try:
r = t.talk(*json.loads(request.form['cmd']))
except ValueError as e:
r = None if e.message == 'No reply' else ('-ERROR: ' + e.message)
except ReplyError as e:
r = '-' + e.message
finally:
t.close()
return base.json_result(r)
def _simple_cmd(host, port, *command):
status = 200
t = Talker(host, port)
try:
r = t.talk(*command)
except ReplyError as e:
r = '-' + e.message
status = 400
finally:
t.close()
return base.json_result(r, status)
def _simple_cmd(host, port, *command):
status = 200
t = Talker(host, port)
try:
r = t.talk(*command)
except ReplyError as e:
r = '-' + e.message
status = 400
finally:
t.close()
return base.json_result(r, status)
def fetch_stats(request):
host, port, limit, interval, span = _parse_args(request.args)
now = int(time.time())
node = '%s:%d' % (host, port)
result = {}
for field in REDIS_AVG_FIELDS:
result[field] = stats.client.query(node, field, 'AVERAGE', span,
now, interval)
for field in REDIS_MAX_FIELDS:
result[field] = stats.client.query(node, field, 'MAX', span, now,
interval)
return base.json_result(result)
def fetch_stats(request):
host, port, limit, interval, span = _parse_args(request.args)
now = datetime.utcnow()
node = '%s:%d' % (host, port)
result = {}
for field in RES_FIELDS:
result[field] = get_stats_by_node(node, field, 'mean', span, now,
interval)
for field in INT_FIELDS:
result[field] = get_stats_by_node(node, field, 'max', span, now,
interval)
return base.json_result(result)
def fetch_stats(request):
host, port, limit, interval, span = _parse_args(request.args)
now = datetime.utcnow()
node = '%s:%d' % (host, port)
result = {}
for field in RES_FIELDS:
result[field] = get_stats_by_node(node, field, 'mean', span, now,
interval)
for field in INT_FIELDS:
result[field] = get_stats_by_node(node, field, 'max', span, now,
interval)
return base.json_result(result)
def fetch_stats(request):
host, port, limit, interval, span = _parse_args(request.args)
now = int(time.time())
node = '%s:%d' % (host, port)
result = {}
for field in REDIS_AVG_FIELDS:
result[field] = stats.client.query(
node, field, 'AVERAGE', span, now, interval)
for field in REDIS_MAX_FIELDS:
result[field] = stats.client.query(
node, field, 'MAX', span, now, interval)
return base.json_result(result)
def cluster_get_task_steps(request):
t = models.task.get_task_by_id(int(request.args['id']))
if t is None:
return base.not_found()
return base.json_result([{
'id': step.id,
'command': step.command,
'args': step.args,
'status': 'completed' if step.completed else (
'running' if step.running else 'pending'),
'start_time': template.f_strftime(step.start_time),
'completion': template.f_strftime(step.completion),
'exec_error': step.exec_error,
} for step in t.all_steps])
def cluster_get_masters_info(request):
c = models.cluster.get_by_id(request.args['id'])
if c is None or len(c.nodes) == 0:
return base.not_found()
node = c.nodes[0]
master = redistrib.command.list_masters(node.host, node.port)[0]
node_details = {(n['host'], n['port']): n
for n in file_ipc.read()['nodes']}
result = []
for n in redistrib.command.list_masters(node.host, node.port)[0]:
r = {'host': n.host, 'port': n.port}
if (n.host, n.port) in node_details:
r['slots_count'] = len(node_details[(n.host, n.port)]['slots'])
result.append(r)
return base.json_result(result)
def fetch_stats(request):
host = request.args['host']
if not PAT_HOST.match(host):
raise ValueError('Invalid hostname')
port = int(request.args['port'])
limit = min(int(request.args['limit']), 720)
span = timedelta(minutes=limit * 2)
now = datetime.utcnow()
node = '%s:%d' % (host, port)
result = {}
for field in RES_FIELDS:
result[field] = get_stats_by_node(node, field, 'mean', span, now)
for field in INT_FIELDS:
result[field] = get_stats_by_node(node, field, 'max', span, now)
return base.json_result(result)
def create_eru_node(request):
container_info = None
try:
port = int(request.form.get('port', 6379))
if not 6000 <= port <= 7999:
raise ValueError('invalid port')
container_info = deploy_node(
request.form['pod'], request.form['aof'] == 'y',
request.form['netmode'], request.form['cluster'] == 'y',
host=request.form.get('host'), port=port)
models.node.create_eru_instance(container_info['address'], port,
container_info['container_id'])
return base.json_result(container_info)
except IntegrityError:
if container_info is not None:
rm_containers([container_info['container_id']])
raise ValueError('exists')
except BaseException as exc:
logging.exception(exc)
raise
def fetch_stats(request):
host = request.args['host']
if not PAT_HOST.match(host):
raise ValueError('Invalid hostname')
port = int(request.args['port'])
limit = min(int(request.args['limit']), 1000)
result = {}
for field in RES_FIELDS:
q = stats.db.client.query(
'''select mean(%s) from "%s:%d" group by time(2m) limit %d''' %
(field, host, port, limit))
result[field] = q[0]['points']
for field in INT_FIELDS:
q = stats.db.client.query(
'''select max(%s) from "%s:%d" group by time(2m) limit %d''' %
(field, host, port, limit))
result[field] = q[0]['points']
return base.json_result(result)
def create_eru_proxy(request):
def set_remotes(proxy_addr, proxy_port, redis_host, redis_port):
time.sleep(1)
t = Talker(proxy_addr, proxy_port)
try:
t.talk('setremotes', redis_host, redis_port)
finally:
t.close()
container_info = None
try:
cluster = models.cluster.get_by_id(int(request.form['cluster_id']))
if cluster is None or len(cluster.nodes) == 0:
raise ValueError('no such cluster')
port = int(request.form.get('port', 8889))
if not 8000 <= port <= 9999:
raise ValueError('invalid port')
container_info = deploy_proxy(
request.form['pod'], int(request.form['threads']),
request.form.get('read_slave') == 'rs',
request.form['netmode'], host=request.form.get('host'),
port=port)
models.proxy.create_eru_instance(
container_info['address'], port, cluster.id,
container_info['container_id'])
threading.Thread(target=set_remotes, args=(
container_info['address'], port, cluster.nodes[0].host,
cluster.nodes[0].port)).start()
return base.json_result(container_info)
except IntegrityError:
if container_info is not None:
rm_containers([container_info['container_id']])
raise ValueError('exists')
except BaseException as exc:
logging.exception(exc)
raise
finally:
t.close()
@base.get_async('/cluster/autodiscover')
def cluster_auto_discover(request):
host = request.args['host']
port = int(request.args['port'])
try:
nodes = redistrib.command.list_nodes(host, port, host)[0]
except StandardError, e:
logging.exception(e)
raise ValueError(e)
if len(nodes) <= 1 and len(nodes[0].assigned_slots) == 0:
return base.json_result({'cluster_discovered': False})
return base.json_result({
'cluster_discovered': True,
'nodes': [{
'host': n.host,
'port': n.port,
'role': n.role_in_cluster,
'known': nm.get_by_host_port(n.host, n.port) is not None,
} for n in nodes],
})
@base.post_async('/cluster/autojoin')
def cluster_auto_join(request):
host = request.form['host']
host = request.args['host']
port = int(request.args['port'])
try:
nodes = redistrib.command.list_nodes(host, port, host)[0]
except StandardError, e:
logging.exception(e)
raise ValueError(e)
unknown_nodes = []
for n in nodes:
if nm.get_by_host_port(n.host, n.port) is None:
unknown_nodes.append(n)
return base.json_result([{
'host': n.host,
'port': n.port,
'role': n.role_in_cluster,
} for n in unknown_nodes])
@base.post_async('/cluster/autojoin')
def cluster_auto_join(request):
host = request.form['host']
port = int(request.form['port'])
try:
nodes = redistrib.command.list_nodes(host, port, host)[0]
except StandardError, e:
logging.exception(e)
raise ValueError(e)
cluster_ids = set()
def cluster_get_masters_info(request):
c = models.cluster.get_by_id(request.args['id'])
if c is None or len(c.nodes) == 0:
return base.not_found()
node = c.nodes[0]
return base.json_result(utils.masters_detail(node.host, node.port)[0])
host = request.args['host']
port = int(request.args['port'])
try:
nodes = redistrib.command.list_nodes(host, port, host)[0]
except StandardError, e:
logging.exception(e)
raise ValueError(e)
unknown_nodes = []
for n in nodes:
if nm.get_by_host_port(n.host, n.port) is None:
unknown_nodes.append(n)
return base.json_result([{
'host': n.host,
'port': n.port,
'role': n.role_in_cluster,
} for n in unknown_nodes])
@base.post_async('/cluster/autojoin')
def cluster_auto_join(request):
host = request.form['host']
port = int(request.form['port'])
try:
nodes = redistrib.command.list_nodes(host, port, host)[0]
except StandardError, e:
logging.exception(e)
raise ValueError(e)
cluster_ids = set()
def eru_list_pod_hosts(request, pod):
return base.json_result([{
'name': r['name'],
'addr': r['addr'],
} for r in eru_client.list_pod_hosts(pod) if r['is_alive']])
def cluster_get_masters_info(request):
c = models.cluster.get_by_id(request.args['id'])
if c is None or len(c.nodes) == 0:
return base.not_found()
node = c.nodes[0]
return base.json_result(utils.masters_detail(node.host, node.port)[0])
