def delete_znodes(cluster_name, path, recursive=False, del_snapshots=True):
"""delete znodes' meta info in mysql
"""
del_znode_query = del_snapshot_query = None
if recursive:
# monkey patch for delete znodes recursively
target_path = path.rstrip("/") + "/"
del_znode_query = ZdZnode.delete().where(
(ZdZnode.cluster_name == cluster_name) &
((ZdZnode.path.startswith(target_path)) | (ZdSnapshot.path == path))
)
del_snapshot_query = ZdSnapshot.delete().where(
(ZdSnapshot.cluster_name == cluster_name) &
((ZdSnapshot.path.startswith(target_path)) | (ZdSnapshot.path == path))
)
else:
del_znode_query = ZdZnode.delete().where(
(ZdZnode.cluster_name == cluster_name) &
(ZdZnode.path == path)
)
del_snapshot_query = ZdSnapshot.delete().where(
(ZdSnapshot.cluster_name == cluster_name) &
(ZdSnapshot.path == path)
)
del_znode_query.execute()
if del_snapshots:
del_snapshot_query.execute()
def response(self):
"""返回指定zookeeper集群的znode信息, 响应ajax请求
"""
nodes = []
normalized_path = normalize_path(self.path)
if USE_QCONF:
ZnodeService.get_znode_tree_from_qconf(self.cluster_name, normalized_path, nodes)
else:
zoo_client = ZookeeperService.get_zoo_client(self.cluster_name)
if not zoo_client:
return self.ajax_popup(code=300, msg="连接zookeeper出错！")
ZnodeService.get_znode_tree(zoo_client, normalized_path, nodes)
if normalized_path != "/" and len(nodes) <= 1:
return self.ajax_popup(code=300, msg="对不起，该节点路径下（%s）无数据！" % self.path)
for node in nodes:
zk_node = ZdZnode.one(path=node["path"], cluster_name=self.cluster_name)
if zk_node:
node['type'] = zk_node.type
node['business'] = zk_node.business
node['data'] = ZookeeperService.get(self.cluster_name, node["path"])
znodes_data = json.dumps(nodes)
return self.render('config/znode/displaytree.html',
cluster_name=self.cluster_name,
znodes_data=znodes_data)
def save_znode_tree(cluster_name,node_path,new_node_path):
data = ZookeeperService.get(cluster_name, node_path)
znode = ZdZnode.one(cluster_name=cluster_name, path=node_path, deleted="0")
if znode is None:
return False
set_znode(cluster_name, new_node_path, data, znode_type=znode.type, business=znode.business)
return True;
def response(self):
"""返回指定zookeeper集群的znode信息, 响应ajax请求
"""
nodes = []
normalized_path = normalize_path(self.path)
if USE_QCONF:
ZnodeService.get_znode_tree_from_qconf(self.cluster_name,
normalized_path, nodes)
else:
zoo_client = ZookeeperService.get_zoo_client(self.cluster_name)
if not zoo_client:
return self.ajax_popup(code=300, msg="连接zookeeper出错！")
ZnodeService.get_znode_tree(zoo_client, normalized_path, nodes)
if normalized_path != "/" and len(nodes) <= 1:
return self.ajax_popup(code=300,
msg="对不起，该节点路径下（%s）无数据！" % self.path)
for node in nodes:
zk_node = ZdZnode.one(path=node["path"],
cluster_name=self.cluster_name)
if zk_node:
node['type'] = zk_node.type
node['business'] = zk_node.business
node['data'] = ZookeeperService.get(self.cluster_name,
node["path"])
znodes_data = json.dumps(nodes)
return self.render('config/znode/displaytree.html',
cluster_name=self.cluster_name,
znodes_data=znodes_data)
def response(self):
"""edit
"""
node_type = data = download_link = ""
normalized_path = normalize_path(self.path)
znode = ZdZnode.one(path=normalized_path, cluster_name=self.cluster_name, deleted="0")
business = ""
if znode:
node_type = znode.type
business = znode.business
# "0"代表普通节点, "1"代表文本节点
if node_type == "1":
# 文件节点提供下载路径
download_link = "/config/znode/download?path={0}&cluster_name={1}".format(self.path, self.cluster_name)
else:
data = ZookeeperService.get(self.cluster_name, self.path)
return self.render(
"config/znode/edit.html",
action="/config/znode/save",
cluster_name=self.cluster_name,
path=normalized_path,
data=data,
business=business,
download_link=download_link,
)
def response(self):
"""返回指定zookeeper集群的znode信息, 响应ajax请求
"""
nodes = []
normalized_path = normalize_path(self.path)
zoo_client = ZookeeperService.get_zoo_client(self.cluster_name)
if not zoo_client:
return self.ajax_popup(code=300, msg="连接zookeeper出错！")
ZnodeService.get_znode_tree(zoo_client, normalized_path, nodes)
#if normalized_path != "/" and len(nodes) <= 1:
# return self.ajax_popup(
# code=300, msg="对不起，该节点路径下（%s）无数据！" % self.path)
for node in nodes:
zk_node = ZdZnode.one(path=node["path"],
cluster_name=self.cluster_name)
if zk_node:
node['description'] = zk_node.description
node['data'] = ZookeeperService.get(self.cluster_name,
node["path"])
znodes_data = json.dumps(nodes)
return self.render('config/znode/displaytree.html',
cluster_name=self.cluster_name,
service_name=self.service_name,
znodes_data=znodes_data)
def response(self):
'''edit
'''
node_type = data = download_link = ""
normalized_path = normalize_path(self.path)
znode = ZdZnode.one(path=normalized_path,
cluster_name=self.cluster_name,
deleted='0')
description = ""
if znode:
#node_type = znode.type
description = znode.description
# "0"代表普通节点, "1"代表文本节点
#if node_type == "1":
# # 文件节点提供下载路径
# download_link = "/config/znode/download?path={0}&cluster_name={1}".format(
# self.path, self.cluster_name)
#else:
# data = ZookeeperService.get(self.cluster_name, self.path)
data = ZookeeperService.get(self.cluster_name, self.path)
return self.render('config/znode/edit.html',
action='/config/znode/save',
cluster_name=self.cluster_name,
path=normalized_path,
data=data,
description=description,
download_link=download_link)
def response(self):
'''edit
'''
node_type = data = download_link = ""
normalized_path = normalize_path(self.path)
znode = ZdZnode.one(path=normalized_path, cluster_name=self.cluster_name, deleted='0')
if znode:
node_type = znode.type
# "0"代表普通节点, "1"代表文本节点
if node_type == "1":
# 文件节点提供下载路径
download_link = "/config/znode/download?path={0}&cluster_name={1}".format(
self.path, self.cluster_name)
else:
data = ZookeeperService.get(self.cluster_name, self.path)
return self.render('config/znode/edit.html',
action='/config/znode/save',
cluster_name=self.cluster_name,
path=normalized_path,
data=data,
download_link=download_link)
def response(self):
'''edit
'''
node_type = data = download_link = ""
normalized_path = normalize_path(self.path)
znode = ZdZnode.one(path=normalized_path,
cluster_name=self.cluster_name,
deleted='0')
business = ""
if znode:
node_type = znode.type
business = znode.business
# "0"代表普通节点, "1"代表文本节点
if node_type == "1":
# 文件节点提供下载路径
download_link = "/config/znode/download?path={0}&cluster_name={1}".format(
self.path, self.cluster_name)
else:
data = ZookeeperService.get(self.cluster_name, self.path)
return self.render('config/znode/edit.html',
action='/config/znode/save',
cluster_name=self.cluster_name,
path=normalized_path,
data=data,
business=business,
download_link=download_link)
def response(self):
"""获取zookeeper节点的元数据信息
"""
metainfo = dict()
zk_node = ZdZnode.one(path=self.path, cluster_name=self.cluster_name)
if zk_node:
metainfo['type'] = zk_node.type
metainfo['business'] = zk_node.business
return json.dumps(metainfo)
def response(self):
"""获取zookeeper节点的元数据信息
"""
metainfo = dict()
zk_node = ZdZnode.one(path=self.path, cluster_name=self.cluster_name)
if zk_node:
metainfo['type'] = zk_node.type
metainfo['business'] = zk_node.business
return json.dumps(metainfo)
def save_znode_tree(cluster_name, node_path, new_node_path):
data = ZookeeperService.get(cluster_name, node_path)
znode = ZdZnode.one(cluster_name=cluster_name, path=node_path, deleted="0")
if znode is None:
return False
set_znode(cluster_name,
new_node_path,
data,
znode_type=znode.type,
business=znode.business)
return True
def delete_znodes(cluster_name, path, recursive=False, del_snapshots=True):
"""delete znodes' meta info in mysql
"""
del_znode_query = del_snapshot_query = None
if recursive:
# monkey patch for delete znodes recursively
target_path = path.rstrip("/") + "/"
del_znode_query = ZdZnode.delete().where(
(ZdZnode.cluster_name == cluster_name)
& ((ZdZnode.path.startswith(target_path))
| (ZdSnapshot.path == path)))
del_snapshot_query = ZdSnapshot.delete().where(
(ZdSnapshot.cluster_name == cluster_name)
& ((ZdSnapshot.path.startswith(target_path))
| (ZdSnapshot.path == path)))
else:
del_znode_query = ZdZnode.delete().where(
(ZdZnode.cluster_name == cluster_name) & (ZdZnode.path == path))
del_snapshot_query = ZdSnapshot.delete().where(
(ZdSnapshot.cluster_name == cluster_name)
& (ZdSnapshot.path == path))
del_znode_query.execute()
if del_snapshots:
del_snapshot_query.execute()
def response(self):
"""获取zookeeper节点的节点值
"""
download_link = data = node_type = ""
znode = ZdZnode.one(path=self.path, cluster_name=self.cluster_name, deleted="0")
if znode:
node_type = znode.type
# 0代表普通节点，1代表文本节点
if node_type == "1":
download_link = "/config/znode/download?path={0}&cluster_name={1}".format(self.path, self.cluster_name)
else:
data = ZookeeperService.get(self.cluster_name, self.path)
return self.render("config/znode/view.html", data=data, download_link=download_link)
def response(self):
"""获取zookeeper节点的节点值
"""
download_link = data = node_type = ""
znode = ZdZnode.one(path=self.path, cluster_name=self.cluster_name, deleted="0")
if znode:
node_type = znode.type
# 0代表普通节点，1代表文本节点
if node_type == "1":
download_link = "/config/znode/download?path={0}&cluster_name={1}".format(
self.path, self.cluster_name)
else:
data = ZookeeperService.get(self.cluster_name, self.path)
return self.render('config/znode/view.html',
data=data,
download_link=download_link)
def set_znode(cluster_name, path, data, znode_type='0', business=''):
"""更新或增加znode节点，包括存储于mysql的元数据和存储于zookeeper上的data
"""
path = normalize_path(path)
ZookeeperService.set_or_create(cluster_name, path, data)
# 在mysql上存储znode的相关元数据，节点类型和业务说明
znode = ZdZnode.one(cluster_name=cluster_name, path=path, deleted="0")
if znode is None:
znode = ZdZnode(cluster_name=cluster_name, path=path)
znode.type = znode_type
znode.business = business
znode.save()
try:
# 自动快照（如果配置信息没有变更，实际不会进行快照）
SnapshotService.make_snapshot(cluster_name, path, data)
except MakeSnapshotError as exc:
log.error('make snapshot error: %s', str(exc))
def set_znode(cluster_name, path, data, znode_type='0', business=''):
"""更新或增加znode节点，包括存储于mysql的元数据和存储于zookeeper上的data
"""
path = normalize_path(path)
ZookeeperService.set_or_create(cluster_name, path, data)
# 在mysql上存储znode的相关元数据，节点类型和业务说明
znode = ZdZnode.one(cluster_name=cluster_name, path=path, deleted="0")
if znode is None:
znode = ZdZnode(cluster_name=cluster_name, path=path)
znode.type = znode_type
znode.business = business
znode.save()
try:
# 自动快照（如果配置信息没有变更，实际不会进行快照）
SnapshotService.make_snapshot(cluster_name, path, data)
except MakeSnapshotError as exc:
log.error('make snapshot error: %s', str(exc))
