无法使用 Neomodel 访问 Neo4j 容器
Cannot access Neo4j container with Neomodel
我有 2 个不同的容器 运行 docker-compose。这是我的 docker-compose.yml:
version: '3'
services:
#Create backend container
backend:
build: ./backend # path to Dockerfile
ports: # Port binding to host from docker container
- "5000:5000"
container_name: buzzworks-backend
volumes:
- ${PWD}/backend:/app
depends_on:
- db
environment:
FLASK_APP: flaskr
FLASK_ENV: development
NEO_USER: ${NEO_USER}
NEO_PW: ${NEO_PW}
db:
image: neo4j:4.1.1
container_name: buzzworks-neo4j
ports:
- "7474:7474"
- "7687:7687"
volumes:
- ${HOME}/neo4j/data:/data
- ${HOME}/neo4j/logs:/logs
- ${HOME}/neo4j/import:/var/lib/neo4j/import
- ${HOME}/neo4j/plugins:/plugins
environment:
NEO4J_AUTH: ${NEO_USER}/${NEO_PW}
NEO4J_dbms_logs_debug_level: ${NEO_DEBUG_LEVEL}
它生成的相应网络对我来说很合适：
{
"Name": "buzzworksai_default",
"Id": "db4efc0286a9464cadde13cf1306f241b7a353295904b15b163e761289ba9d3f",
"Created": "2020-08-27T11:23:15.925483629-04:00",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": null,
"Config": [
{
"Subnet": "172.18.0.0/16",
"Gateway": "172.18.0.1"
}
]
},
"Internal": false,
"Attachable": true,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {
"640650c163f746e480bf677abdeaf8edf6483b7dac2a260c2e3b3bc3319dffef": {
"Name": "buzzworks-neo4j",
"EndpointID": "ddbad1a179cc51655a779b07c91d6d949b0612bf985abc9c45e1794b35f4a565",
"MacAddress": "02:42:ac:12:00:03",
"IPv4Address": "172.18.0.3/16",
"IPv6Address": ""
},
"ba47173d1dbc31e4e416eaf30d2314e6d2a20a36b389cb76cd1edcbea489184e": {
"Name": "buzzworks-backend",
"EndpointID": "17ff278f3db5ad609be682cdf912ca755587e07ef08d6023bf3ecb33a6c4bc31",
"MacAddress": "02:42:ac:12:00:02",
"IPv4Address": "172.18.0.2/16",
"IPv6Address": ""
}
},
"Options": {},
"Labels": {
"com.docker.compose.network": "default",
"com.docker.compose.project": "buzzworksai",
"com.docker.compose.version": "1.26.2"
}
}
]
我可以正常访问neo4j数据库的网页界面。当我尝试使用 neomodel 连接到数据库时出现问题。我已经尝试 运行 neomodel_remove_labels --db bolt://<user>:<password>@db:7687 使用来自 python 容器的 shell 的适当凭据。我收到此错误：
Traceback (most recent call last):
File "/usr/local/bin/neomodel_remove_labels", line 35, in <module>
main()
File "/usr/local/bin/neomodel_remove_labels", line 30, in main
db.set_connection(bolt_url)
File "/usr/local/lib/python3.8/dist-packages/neomodel/util.py", line 93, in set_connection
self.driver = GraphDatabase.driver(u.scheme + '://' + hostname,
File "/usr/local/lib/python3.8/dist-packages/neo4j/__init__.py", line 108, in driver
return Driver(uri, **config)
File "/usr/local/lib/python3.8/dist-packages/neo4j/__init__.py", line 147, in __new__
return subclass(uri, **config)
File "/usr/local/lib/python3.8/dist-packages/neo4j/__init__.py", line 221, in __new__
pool.release(pool.acquire())
File "/usr/local/lib/python3.8/dist-packages/neobolt/direct.py", line 715, in acquire
return self.acquire_direct(self.address)
File "/usr/local/lib/python3.8/dist-packages/neobolt/direct.py", line 608, in acquire_direct
connection = self.connector(address, error_handler=self.connection_error_handler)
File "/usr/local/lib/python3.8/dist-packages/neo4j/__init__.py", line 218, in connector
return connect(address, **dict(config, **kwargs))
File "/usr/local/lib/python3.8/dist-packages/neobolt/direct.py", line 972, in connect
raise last_error
File "/usr/local/lib/python3.8/dist-packages/neobolt/direct.py", line 963, in connect
s, der_encoded_server_certificate = _secure(s, host, security_plan.ssl_context, **config)
File "/usr/local/lib/python3.8/dist-packages/neobolt/direct.py", line 854, in _secure
s = ssl_context.wrap_socket(s, server_hostname=host if HAS_SNI and host else None)
File "/usr/lib/python3.8/ssl.py", line 500, in wrap_socket
return self.sslsocket_class._create(
File "/usr/lib/python3.8/ssl.py", line 1040, in _create
self.do_handshake()
File "/usr/lib/python3.8/ssl.py", line 1309, in do_handshake
self._sslobj.do_handshake()
OSError: [Errno 0] Error
我尝试使用 bolt://<user>:<password>@localhost:7687 从我的主机访问容器，但我仍然遇到同样的错误。
您需要在 docker-compose 文件中设置 network 选项。请阅读这篇link，然后你就会很好地理解它。
你应该这样做：
version: '3'
services:
#Create backend container
backend:
build: ./backend # path to Dockerfile
ports: # Port binding to host from docker container
- "5000:5000"
container_name: buzzworks-backend
volumes:
- ${PWD}/backend:/app
depends_on:
- db
environment:
FLASK_APP: flaskr
FLASK_ENV: development
NEO_USER: ${NEO_USER}
NEO_PW: ${NEO_PW}
networks:
- mynetwork
db:
image: neo4j:4.1.1
container_name: buzzworks-neo4j
ports:
- "7474:7474"
- "7687:7687"
volumes:
- ${HOME}/neo4j/data:/data
- ${HOME}/neo4j/logs:/logs
- ${HOME}/neo4j/import:/var/lib/neo4j/import
- ${HOME}/neo4j/plugins:/plugins
environment:
NEO4J_AUTH: ${NEO_USER}/${NEO_PW}
NEO4J_dbms_logs_debug_level: ${NEO_DEBUG_LEVEL}
networks:
- mynetwork
networks:
mynetwork:
我认为这可能是您遇到的与 neo4j 相关的问题：https://github.com/neo4j/neo4j/issues/12392
那里的建议是：
Neo4j 4.0 has encryption turned off by default. You need to explicitly
turn encryption back on for Bolt server in server config file. Then
you shall be able to connect using 1.7 python driver with default
settings.
The following is an example of how you can turn encryption back on
Bolt Server with private.key and public.crt in directory
$neo4jHome/certificates/bolt.
dbms.connector.bolt.enabled=true
# allows both encrypted and unencrypted driver connections
dbms.connector.bolt.tls_level=OPTIONAL
dbms.ssl.policy.bolt.enabled=true
dbms.ssl.policy.bolt.base_directory=certificates/bolt
#dbms.ssl.policy.bolt.private_key=private.key
#dbms.ssl.policy.bolt.public_certificate=public.crt
You can choose any trusted key and certificate service to generate the
private key and public certificate used here.
我有 2 个不同的容器 运行 docker-compose。这是我的 docker-compose.yml:
version: '3'
services:
#Create backend container
backend:
build: ./backend # path to Dockerfile
ports: # Port binding to host from docker container
- "5000:5000"
container_name: buzzworks-backend
volumes:
- ${PWD}/backend:/app
depends_on:
- db
environment:
FLASK_APP: flaskr
FLASK_ENV: development
NEO_USER: ${NEO_USER}
NEO_PW: ${NEO_PW}
db:
image: neo4j:4.1.1
container_name: buzzworks-neo4j
ports:
- "7474:7474"
- "7687:7687"
volumes:
- ${HOME}/neo4j/data:/data
- ${HOME}/neo4j/logs:/logs
- ${HOME}/neo4j/import:/var/lib/neo4j/import
- ${HOME}/neo4j/plugins:/plugins
environment:
NEO4J_AUTH: ${NEO_USER}/${NEO_PW}
NEO4J_dbms_logs_debug_level: ${NEO_DEBUG_LEVEL}
它生成的相应网络对我来说很合适：
{
"Name": "buzzworksai_default",
"Id": "db4efc0286a9464cadde13cf1306f241b7a353295904b15b163e761289ba9d3f",
"Created": "2020-08-27T11:23:15.925483629-04:00",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": null,
"Config": [
{
"Subnet": "172.18.0.0/16",
"Gateway": "172.18.0.1"
}
]
},
"Internal": false,
"Attachable": true,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {
"640650c163f746e480bf677abdeaf8edf6483b7dac2a260c2e3b3bc3319dffef": {
"Name": "buzzworks-neo4j",
"EndpointID": "ddbad1a179cc51655a779b07c91d6d949b0612bf985abc9c45e1794b35f4a565",
"MacAddress": "02:42:ac:12:00:03",
"IPv4Address": "172.18.0.3/16",
"IPv6Address": ""
},
"ba47173d1dbc31e4e416eaf30d2314e6d2a20a36b389cb76cd1edcbea489184e": {
"Name": "buzzworks-backend",
"EndpointID": "17ff278f3db5ad609be682cdf912ca755587e07ef08d6023bf3ecb33a6c4bc31",
"MacAddress": "02:42:ac:12:00:02",
"IPv4Address": "172.18.0.2/16",
"IPv6Address": ""
}
},
"Options": {},
"Labels": {
"com.docker.compose.network": "default",
"com.docker.compose.project": "buzzworksai",
"com.docker.compose.version": "1.26.2"
}
}
]
我可以正常访问neo4j数据库的网页界面。当我尝试使用 neomodel 连接到数据库时出现问题。我已经尝试 运行 neomodel_remove_labels --db bolt://<user>:<password>@db:7687 使用来自 python 容器的 shell 的适当凭据。我收到此错误：
Traceback (most recent call last):
File "/usr/local/bin/neomodel_remove_labels", line 35, in <module>
main()
File "/usr/local/bin/neomodel_remove_labels", line 30, in main
db.set_connection(bolt_url)
File "/usr/local/lib/python3.8/dist-packages/neomodel/util.py", line 93, in set_connection
self.driver = GraphDatabase.driver(u.scheme + '://' + hostname,
File "/usr/local/lib/python3.8/dist-packages/neo4j/__init__.py", line 108, in driver
return Driver(uri, **config)
File "/usr/local/lib/python3.8/dist-packages/neo4j/__init__.py", line 147, in __new__
return subclass(uri, **config)
File "/usr/local/lib/python3.8/dist-packages/neo4j/__init__.py", line 221, in __new__
pool.release(pool.acquire())
File "/usr/local/lib/python3.8/dist-packages/neobolt/direct.py", line 715, in acquire
return self.acquire_direct(self.address)
File "/usr/local/lib/python3.8/dist-packages/neobolt/direct.py", line 608, in acquire_direct
connection = self.connector(address, error_handler=self.connection_error_handler)
File "/usr/local/lib/python3.8/dist-packages/neo4j/__init__.py", line 218, in connector
return connect(address, **dict(config, **kwargs))
File "/usr/local/lib/python3.8/dist-packages/neobolt/direct.py", line 972, in connect
raise last_error
File "/usr/local/lib/python3.8/dist-packages/neobolt/direct.py", line 963, in connect
s, der_encoded_server_certificate = _secure(s, host, security_plan.ssl_context, **config)
File "/usr/local/lib/python3.8/dist-packages/neobolt/direct.py", line 854, in _secure
s = ssl_context.wrap_socket(s, server_hostname=host if HAS_SNI and host else None)
File "/usr/lib/python3.8/ssl.py", line 500, in wrap_socket
return self.sslsocket_class._create(
File "/usr/lib/python3.8/ssl.py", line 1040, in _create
self.do_handshake()
File "/usr/lib/python3.8/ssl.py", line 1309, in do_handshake
self._sslobj.do_handshake()
OSError: [Errno 0] Error
我尝试使用 bolt://<user>:<password>@localhost:7687 从我的主机访问容器，但我仍然遇到同样的错误。
您需要在 docker-compose 文件中设置 network 选项。请阅读这篇link，然后你就会很好地理解它。
你应该这样做：
version: '3'
services:
#Create backend container
backend:
build: ./backend # path to Dockerfile
ports: # Port binding to host from docker container
- "5000:5000"
container_name: buzzworks-backend
volumes:
- ${PWD}/backend:/app
depends_on:
- db
environment:
FLASK_APP: flaskr
FLASK_ENV: development
NEO_USER: ${NEO_USER}
NEO_PW: ${NEO_PW}
networks:
- mynetwork
db:
image: neo4j:4.1.1
container_name: buzzworks-neo4j
ports:
- "7474:7474"
- "7687:7687"
volumes:
- ${HOME}/neo4j/data:/data
- ${HOME}/neo4j/logs:/logs
- ${HOME}/neo4j/import:/var/lib/neo4j/import
- ${HOME}/neo4j/plugins:/plugins
environment:
NEO4J_AUTH: ${NEO_USER}/${NEO_PW}
NEO4J_dbms_logs_debug_level: ${NEO_DEBUG_LEVEL}
networks:
- mynetwork
networks:
mynetwork:
我认为这可能是您遇到的与 neo4j 相关的问题：https://github.com/neo4j/neo4j/issues/12392
那里的建议是：
Neo4j 4.0 has encryption turned off by default. You need to explicitly turn encryption back on for Bolt server in server config file. Then you shall be able to connect using 1.7 python driver with default settings.
The following is an example of how you can turn encryption back on Bolt Server with private.key and public.crt in directory $neo4jHome/certificates/bolt.
dbms.connector.bolt.enabled=true # allows both encrypted and unencrypted driver connections dbms.connector.bolt.tls_level=OPTIONAL dbms.ssl.policy.bolt.enabled=true dbms.ssl.policy.bolt.base_directory=certificates/bolt #dbms.ssl.policy.bolt.private_key=private.key #dbms.ssl.policy.bolt.public_certificate=public.crtYou can choose any trusted key and certificate service to generate the private key and public certificate used here.