Kubernetes 1.5安装 ansible
2017-05-18 17:11
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此篇文件写的是在Kubernetes1.5中安装ansible.
镜像制作
准备基础镜像
这里使用的是Centos6.8来安装ansible。[root@6ca3bdb01ed1 ~]# cat /etc/issue CentOS release 6.8 (Final) Kernel \r on an \m
下载ansible-tower
下载安装包:yum install -y wget wget http://releases.ansible.com/ansible-tower/setup-bundle/ansible-tower-setup-bundle-latest.el6.tar.gz[/code]安装ansible-tower
tar -xvzf ansible-tower-setup-bundle-latest.el6.tar.gz cd ansible-tower-setup-bundle-3.0.3-1.el6/
修改安装文件内容sed -i "s#password=''#password='admin'#g" inventory sed -i "s#host=''#host='127.0.0.1'#g" inventory sed -i "s#port=''#port='5432'#g" inventory sed -i 's#dl.fedoraproject.org/pub#mirrors.ustc.edu.cn#g' roles/packages_el/defaults/main.yml sed -i 's/#baseurl=/baseurl=/g' roles/packages_el/files/epel-6.repo sed -i 's/mirrorlist=/#mirrorlist=/g' roles/packages_el/files/epel-6.repo sed -i 's#download.fedoraproject.org/pub#mirrors.ustc.edu.cn#g' roles/packages_el/files/epel-6.repo
安装supervisoryum -y install centos-release-scl-rh centos-release-scl sed -i 's#mirror.centos.org#centos.ustc.edu.cn#g' /etc/yum.repos.d/CentOS-SCLo-scl.repo sed -i 's#mirror.centos.org#centos.ustc.edu.cn#g' /etc/yum.repos.d/CentOS-SCLo-scl-rh.repo yum -y install supervisor
安装ansible./setup.sh
异常处理
如果安装时出现The file system mounted at / does not meet minimum disk space requirement: 9063067648 < 10000000000”}
则找到以文件:ansible-tower-setup-bundle-3.0.3-1.el6/roles/preflight/tasks/main.yml
注释以下内容:#- name: Preflight check - Does /var meet minimum disk space requirement # fail: # msg: 'The file system mounted at {{ item.mount }} does not meet minimum disk space requirement: {{ item.size_available }} < {{ minimum_var_space }}' # when: "item.mount == var_partition.stdout and item.size_available < minimum_var_space|int" # with_items: "{{ ansible_mounts }}"
如果出现错误TASK [awx_install : Migrate the Tower database schema (may take awhile when upgrading).] ***
提示数据库连接不上。执行下面命令启动数据库service postgresql-9.4 initdb service postgresql-9.4 start
创建用户su - postgres psql CREATE ROLE awx CREATEDB PASSWORD 'admin' LOGIN; \q sed -i 's#peer#md5#g' /var/lib/pgsql/9.4/data/pg_hba.conf sed -i 's#ident#md5#g' /var/lib/pgsql/9.4/data/pg_hba.conf service postgresql-9.4 restart
测试awx用户连接,输入密码连接,并创建数据库psql -U awx -d postgres -h 127.0.0.1 create database awx; \q
接下来访问web页面
刚开始已经把443映射到了9443:docker run -i --name "ansible-tower" -p 55121:22386 -p 9080:80 -p 9443:443 -d -t centos_ssh /usr/sbin/sshd -D
点Request申请试用key
申请完后需要等待一会才会收到 key的邮件。
收到邮件以后,上传license。
打开页面如下:Tower无限hosts的License修改
此部署复制于网络,仅供实验测试使用。
下载反编译工具: http://sourceforge.net/projects/easypythondecompiler/
反编译task_engine.pyc文件find / -name task_engine.pyc /var/lib/awx/venv/tower/lib/python2.7/site-packages/awx/main/task_engine.pyc
反编译后的文件为task_engi
cb27
ne.pyc_dis,文件重命名为task_engine.py
修改内容
89行和186行代码
available_instances = int(self.attributes[‘instance_count’]) 为
available_instances = 10000
247行代码,把相应的功能由False改为True
删除task_engine.pyc task_engine.pyo 重启tower
查看license信息
以后在镜像中已经将Ansible-tower安装完成。在接下来将对镜像做适当的修改。镜像调整
查看docker运行情况[root@localhost credit]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 6ca3bdb01ed1 centos_ssh "/usr/sbin/sshd -D" 4 hours ago Up 4 hours 0.0.0.0:9080->80/tcp, 0.0.0.0:9443->443/tcp, 0.0.0.0:55121->22/tcp ansible-tower
保存窗口为镜像:docker commit 6ca3bdb01ed1 ansible-tower:0.1
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