Neo4j community edition role

This will install the community edition of neo4j and configure it
to run on particular ports, but listen to all IPs. The debian package
installs it as a service under 'neo4j-service'. See vars for
additional info on where the properties files are located.

playbooks/roles/neo4j/defaults/main.yml

+---
+#
+#  Adds the latest stable package of neo4j community edition
+#
+# edX Configuration
+#
+# github:     https://github.com/edx/configuration
+# wiki:       https://openedx.atlassian.net/wiki/display/OpenOPS
+# code style: https://openedx.atlassian.net/wiki/display/OpenOPS/Ansible+Code+Conventions
+# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
+#
+##
+# Defaults for role neo4j
+#
+
+#
+# vars are namespaced with the module name.
+#
+neo4j_role_name: neo4j
+
+neo4j_gpg_key_url: https://debian.neo4j.org/neotechnology.gpg.key
+neo4j_apt_repository: "deb http://debian.neo4j.org/repo stable/"
+neo4j_server_config_file: "/etc/neo4j/neo4j-server.properties"
+neo4j_https_port: 8081  # default is 7473
+neo4j_http_port: 8080  # default is 7474
+

playbooks/roles/neo4j/handlers/main.yml

+---
+- name: restart neo4j
+  service: name=neo4j-service state=restarted
+

playbooks/roles/neo4j/meta/main.yml

+---
+dependencies:
+  - common
+  - role: oraclejdk
+    oraclejdk_version: "8u60"
+    oraclejdk_base: "jdk1.8.0_60"
+    oraclejdk_build: "b27"
+    oraclejdk_link: "/usr/lib/jvm/java-8-oracle"

playbooks/roles/neo4j/tasks/main.yml

+---
+#
+# edX Configuration
+#
+# github:     https://github.com/edx/configuration
+# wiki:       https://openedx.atlassian.net/wiki/display/OpenOPS
+# code style: https://openedx.atlassian.net/wiki/display/OpenOPS/Ansible+Code+Conventions
+# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
+#
+#
+#
+# Tasks for role neo4j
+#
+# Overview:
+#
+#
+# Dependencies:
+#
+#
+# Example play:
+#
+#
+
+- name: add neo4j gpg key
+  apt_key:
+    url={{ neo4j_gpg_key_url }}
+    state=present
+
+- name: add neo4j apt repository
+  apt_repository:
+    repo="{{ neo4j_apt_repository }}"
+    state=present
+
+- name: install neo4j
+  apt:
+    name=neo4j
+    state=present
+
+- name: set to listen on all IPs
+  lineinfile:
+    dest="{{ neo4j_server_config_file }}"
+    regexp="org.neo4j.server.webserver.address="
+    line="org.neo4j.server.webserver.address=0.0.0.0"
+    state=present
+  notify: restart neo4j
+
+- name: set to listen on specific port for https
+  lineinfile:
+    dest="{{ neo4j_server_config_file }}"
+    regexp="org.neo4j.server.webserver.https.port="
+    line="org.neo4j.server.webserver.https.port={{ neo4j_https_port }}"
+  notify: restart neo4j
+
+- name: set to listen on specific port for http
+  lineinfile:
+    dest="{{ neo4j_server_config_file }}"
+    regexp="org.neo4j.server.webserver.port="
+    line="org.neo4j.server.webserver.port={{ neo4j_http_port }}"
+  notify: restart neo4j