无法连接到Docker容器上的neo4j数据库

我在一台主机上使用了两个docker容器。 第一个是基于普通的neo4j：2.3镜像和一些转发端口（7474）。 第二个是python：基于2.7的容器。 使用curl，我可以从主机级别和第二台机器（使用主机本身的IP）访问数据库。 问题是我已经写入并移植到该容器的代码将不再运行。 我得到这样的错误：

Traceback (most recent call last): File "/app/runserver.py", line 1, in <module> from orangebox import app File "/app/orangebox/__init__.py", line 5, in <module> from orangebox.context import ob File "/app/orangebox/context.py", line 2, in <module> from orangebox.domain.factory import DomainFactory File "/app/orangebox/domain/factory.py", line 4, in <module> from orangebox.domain.boxes import Box File "/app/orangebox/domain/boxes.py", line 3, in <module> from orangebox.domain.users import User File "/app/orangebox/domain/users.py", line 4, in <module> class User(StructuredNode): File "/app/src/neomodel/neomodel/core.py", line 65, in __new__ install_labels(inst) File "/app/src/neomodel/neomodel/core.py", line 15, in install_labels db.new_session() File "/app/src/neomodel/neomodel/util.py", line 119, in new_session if self.session.neo4j_version < (2, 0): File "/usr/local/lib/python2.7/site-packages/py2neo/core.py", line 958, in neo4j_version return version_tuple(self.resource.metadata["neo4j_version"]) File "/usr/local/lib/python2.7/site-packages/py2neo/core.py", line 213, in metadata self.get() File "/usr/local/lib/python2.7/site-packages/py2neo/core.py", line 258, in get response = self.__base.get(headers=headers, redirect_limit=redirect_limit, **kwargs) File "/usr/local/lib/python2.7/site-packages/py2neo/packages/httpstream/http.py", line 966, in get return self.__get_or_head("GET", if_modified_since, headers, redirect_limit, **kwargs) File "/usr/local/lib/python2.7/site-packages/py2neo/packages/httpstream/http.py", line 943, in __get_or_head return rq.submit(redirect_limit=redirect_limit, **kwargs) File "/usr/local/lib/python2.7/site-packages/py2neo/packages/httpstream/http.py", line 433, in submit http, rs = submit(self.method, uri, self.body, self.headers) File "/usr/local/lib/python2.7/site-packages/py2neo/packages/httpstream/http.py", line 362, in submit raise SocketError(code, description, host_port=uri.host_port) py2neo.packages.httpstream.http.SocketError: Connection refused 

我也尝试在端口7473使用https，但它也不会工作。 从调用者方面来说，我正在使用以下调用：

 from py2neo import authenticate, Graph from py2neo.ext.ogm import Store import os class DatabaseConnection(object): def __init__(self, address): print "Connecting to Neo4j database using URL %s" % os.environ['DB_URL'] self.graph = Graph(address) self.store = Store(self.graph) def get_graph(self): return self.graph def get_cypher(self): return self.graph.cypher def get_store(self): return self.store authenticate("172.17.0.1:7474", "neo4j", "orangebox") db_connection = DatabaseConnection(address = "http://172.17.0.1:7474/db/data") 

用户名和密码是正确的。 当它不是我没有被授权（所以连接是可能的…）

 Connecting to Neo4j database using URL http://172.17.0.1:7474/db/data/ Traceback (most recent call last): File "/app/runserver.py", line 1, in <module> from orangebox import app File "/app/orangebox/__init__.py", line 5, in <module> from orangebox.context import ob File "/app/orangebox/context.py", line 2, in <module> from orangebox.domain.factory import DomainFactory File "/app/orangebox/domain/factory.py", line 3, in <module> from orangebox.database.connection import db_connection File "/app/orangebox/database/connection.py", line 22, in <module> db_connection = DatabaseConnection(address = os.environ['DB_URL']) File "/app/orangebox/database/connection.py", line 10, in __init__ self.store = Store(self.graph) File "/usr/local/lib/python2.7/site-packages/py2neo/ext/ogm/store.py", line 42, in __init__ if self.graph.supports_optional_match: File "/usr/local/lib/python2.7/site-packages/py2neo/core.py", line 1087, in supports_optional_match return self.neo4j_version >= (2, 0) File "/usr/local/lib/python2.7/site-packages/py2neo/core.py", line 958, in neo4j_version return version_tuple(self.resource.metadata["neo4j_version"]) File "/usr/local/lib/python2.7/site-packages/py2neo/core.py", line 213, in metadata self.get() File "/usr/local/lib/python2.7/site-packages/py2neo/core.py", line 261, in get raise Unauthorized(self.uri.string) py2neo.error.Unauthorized: http://172.17.0.1:7474/db/data/ 

在dockerneo4j容器我只看到：

 root@ubuntu-14:/home/vagrant# docker run --publish=7474:7474 --volume=$HOME/neo4j/data:/data kbhit/orangebox-db Starting Neo4j Server console-mode... 2016-05-13 14:01:35.076+0000 INFO Successfully started database 2016-05-13 14:01:35.112+0000 INFO Starting HTTP on port 7474 (2 threads available) 2016-05-13 14:01:35.327+0000 INFO Enabling HTTPS on port 7473 2016-05-13 14:01:35.417+0000 INFO Mounting static content at /webadmin 2016-05-13 14:01:35.485+0000 INFO Mounting static content at /browser 2016-05-13 14:01:36.718+0000 INFO Remote interface ready and available at http://0.0.0.0:7474/ 2016-05-13 14:02:17.825+0000 WARN Failed authentication attempt for 'neo4j' from 172.17.0.1 

这怎么可能？

当我使用指南https://www.digitalocean.com/community/tutorials/how-to-install-neo4j-on-an-ubuntu-vps在同一容器中安装neo4j-service时，它的工作原理

Answer 1

你不应该把neo4j-service安装在你的python应用程序所在的容器中。 你应该使用docker链接容器。 我认为你真的不应该使用固定IP来做这个URL预约。

泊坞窗，compose.yml

 version: '2' services: data: build: data neo4j: image: neo4j:3.0 networks: - back volumes_from: - data ports: - "7474:7474" - "7687:7687" volumes: - /var/neo4j/data:/data neo4jtest: image: neo4j:3.0 networks: - back volumes_from: - data ports: - "7475:7474" - "7688:7687" volumes: - /var/neo4j/test-data:/data api: build: api networks: - back ports: - "5002:5002" volumes: - /home/santiago/work/santiagocloud/api:/src/api links: - neo4j:neo4j - neo4jtest:neo4jtest networks: back: 

Python代码：

 def connectGraph(): print("Start - Connect Graph") # authenticate(""http://neo4j:7474", "neo4j", "test123") # graph = Graph("http://neo4j:7474/db/data/") authenticate(app.config['DB_URL'],app.config['DB_USERNAME'],app.config['DB_PASSWORD']) graph = Graph(app.config['DB_URL'] + "/db/data/") print("End - Connect Graph") return graph graph = connectGraph() 

Answer 2

确保你已经安装了最新的Py2neo驱动程序，并且你必须延迟你的基本镜像以允许Neo4j db出现。