文件列表:

LICENSE (1082, 2014-10-18)
group_vars/ (0, 2014-10-18)
group_vars/lxr-servers (862, 2014-10-18)
hosts (201, 2014-10-18)
reboot.yml (508, 2014-10-18)
roles/ (0, 2014-10-18)
roles/lxr/ (0, 2014-10-18)
roles/lxr/defaults/ (0, 2014-10-18)
roles/lxr/defaults/main.yml (2963, 2014-10-18)
roles/lxr/files/ (0, 2014-10-18)
roles/lxr/files/GitHub-Mark-64px.png (2625, 2014-10-18)
roles/lxr/files/lxrconf_mod_version.sh (978, 2014-10-18)
roles/lxr/files/lxrconf_show_version.sh (366, 2014-10-18)
roles/lxr/tasks/ (0, 2014-10-18)
roles/lxr/tasks/100-setup.yml (1070, 2014-10-18)
roles/lxr/tasks/110-tweak_os_RedHat6.yml (2283, 2014-10-18)
roles/lxr/tasks/111-tweak_os_RedHat7.yml (1588, 2014-10-18)
roles/lxr/tasks/120-install_pkgs_RedHat.yml (2053, 2014-10-18)
roles/lxr/tasks/130-setup_env.yml (844, 2014-10-18)
roles/lxr/tasks/140-install_glimpse.yml (1049, 2014-10-18)
roles/lxr/tasks/150-install_lxr.yml (1008, 2014-10-18)
roles/lxr/tasks/160-config_lxr.yml (1673, 2014-10-18)
roles/lxr/tasks/170-setup_httpd_RedHat.yml (1826, 2014-10-18)
roles/lxr/tasks/200-tree_retrieval.yml (227, 2014-10-18)
roles/lxr/tasks/210-tree_retrieval.yml (1105, 2014-10-18)
roles/lxr/tasks/300-indexing.yml (181, 2014-10-18)
roles/lxr/tasks/310-indexing_source_tree.yml (1226, 2014-10-18)
roles/lxr/tasks/inc/ (0, 2014-10-18)
roles/lxr/tasks/inc/build_and_install_tarball.yml (1205, 2014-10-18)
roles/lxr/tasks/inc/repo_git.yml (2255, 2014-10-18)
roles/lxr/tasks/inc/repo_git_autotag.yml (955, 2014-10-18)
roles/lxr/tasks/main.yml (1037, 2014-10-18)
roles/lxr/templates/ (0, 2014-10-18)
roles/lxr/templates/gen-configure-lxr.j2 (2597, 2014-10-18)
roles/lxr/templates/html-head-btn.html.j2 (2906, 2014-10-18)
roles/lxr/vars/ (0, 2014-10-18)
roles/lxr/vars/RedHat6.yml (356, 2014-10-18)
roles/lxr/vars/RedHat7.yml (358, 2014-10-18)
site.yml (170, 2014-10-18)
... ...

## Ansible Playbook | Lxr Deployment - Nupic.core [](https://gitter.im/h2suzuki/ansible-lxr-nupic.core?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) This playbook deploys Lxr Source Code Indexer and Cross-referencer. Then, it downloads the target source tree from github and indexing it for identifier / free-text search. This playbook has been tested with: - Ansible 1.7-1, 1.7-2 - CentOS 6.5, 7 (64bit) This playbook can index any git repository that "ctag" can handle, but the configuration file is set to index [nupic.core](https://github.com/numenta/nupic.core) because it is the purpose of this project. See "group_vars/lxr-servers" for the configurations and "roles/lxr/defaults/main.yml" for the default values. ## Instructions Firstly edit the "hosts" inventory file to indicate the machines where you want to deploy Lxr. Secondly edit the "group_vars/lxr-servers" file to set the configuration parameters such as the web server url. Then, setup the ssh remote login to your target machine via root: $ ssh-copy-id root@ Then, run the playbook: $ ansible-playbook -i hosts site.yml When the playbook run completes, you should be able to explore the target source tree on the URL which is indicated by "group_vars/lxr-servers". http://{{ httpd_server_name }}:{{ httpd_port }}/lxr/{{ lxr_tree_name }}/source In case the target machine has SELinux running, the playbook will stop and ask you to reboot the machine to **disable SELinux**. Run the playbook again. The playbook will resume the operations. ## Some internals - This playbook consists of three phases (using tags). 1. setup phase: install and configure Lxr on the target machine 2. tree_retrieval phase: store the source tree in the internal directory 3. indexing phase: index the source tree for cross-referencing & searching - This playbook uses root on the target machine. In order to setup the target machine, the playbook requires root ssh login. It will create `lxr_user` user during the setup phase. For tree_retrieval and indexing phases, the playbook uses `lxr_user` user only which has been created during setup phase. ## Other usages There are several useful tags that you can use after the initial setup. When the target repository has a new commit and you want to **add that new version** of the source tree to be index, just run: $ ansible-playbook -i hosts site.yml --tags retrieve_source,indexing To retrieve and index a specific version of source tree, edit `lxr_tag_vcs` in "group_vars/lxr-servers". You can also pass `lxr_tag_vcs` using "-e" command line option. $ ansible-playbook -i hosts site.yml --tags tree_retrieval,indexing \ -e 'lxr_tag_vcs=8f0d...(40-digit sha1 omitted)' To list the versions of the tree, specify `list_tree_tags`. $ ansible-playbook -i hosts site.yml --tags list_tree_tags To index the tree with special parameters which are supplied to Lxr `genxref` command, use `lxr_genref_opts`. The below example performes garbage collection by dropping unreferenced data from DB. ansible-playbook -i hosts site.yml --tags indexing \ -e 'lxr_genref_opts="--reindexall --allversions"' During setup phase, you can skip OS settings (firewall tweaks and package dependency checks) by "--skip-tags os_settings" option. ansible-playbook -i hosts site.yml --tags setup --skip-tags os_settings ## Uninstalling Lxr Three things you need to do in order to uninstall the deployed Lxr service. - remove `lxr_user` and its home. e.g. `userdel -r lxruser` - remove the httpd configuration file of Lxr referred by `httpd_lxr_conf` - revert the httpd main configuration file: i.e. ServerName and Listen To uninstall the packages that this playbook has installed for the requirements, see "roles/lxr/tasks/120-install_pkgs_RedHat.yml" for the package names. ## Additional references - [Ansible@github](https://github.com/ansible/ansible) / [Ansible Docs](http://docs.ansible.com/) - [Lxr@sourceforge.net](http://sourceforge.net/projects/lxr/) / [Lxr web-site](http://lxr.sourceforge.net/en/index.shtml) - [Glimpse Home](http://webglimpse.net/) - [Nupic.core@github](https://github.com/numenta/nupic.core)

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