
属性使用:
jsx语法是react提供一种长得比较像html标签的一中语法,本质上是跟html标签是有区别的。 我们自定义的组件要是有大写开头命名比如 <HelloMessage /> ...
componentWillUnmount: 在删除组件之前进行清理操作,比如删除计时器和事件监听器,因为这写都开发者加上去的,react并不知道,所以说需要手动清理
componentWillReceiveProps: 父组件修改属性触发,可以修改新属性、修改状态,组件发生之前触发,在这个函数可以使用旧属性和新属性 做比较,传送到组件之...
1)初始化阶段可以使用的函数要点getDefaultProps:只调用一次,实例之间共享引用(只有组件的第一个实例初始化时才被调用,react就会这个返回的属性保存起来,从第...
组件生命周期,组件本质上是状态机 组件把状态和结果一一对应起来 组件中有state状态 和 props属性,属性是有父组件传递给子组件的,状态是子组件内部维护的数据,当状态发...
@lework 我还想问下,如果我单纯想使用ansible tower rest api 可以不用修改破解 License吗
Ansible Tower系列 二(安装 Tower)文档:http://docs.ansible.com/ansible-tower/ 安装前检查 python版本为2.6 保持网络畅通 内存预留充足 安装用户为root 软件...
@lework 我现在 应该怎么办
Ansible Tower系列 二(安装 Tower)文档:http://docs.ansible.com/ansible-tower/ 安装前检查 python版本为2.6 保持网络畅通 内存预留充足 安装用户为root 软件...
TASK [packages_el : Install playbook dependencies] *****************************
An exception occurred during task execution. To see the full traceback, use -vvv. The error was: ImportError: No module named yum
failed: [localhost] (item=[u'python-psycopg2', u'python-setuptools', u'libselinux-python', u'setools-libs-python', u'yum-utils', u'sudo', u'acl']) => {"failed": true, "item": ["python-psycopg2", "python-setuptools", "libselinux-python", "setools-libs-python", "yum-utils", "sudo", "acl"], "module_stderr": "Traceback (most recent call last):\n File \"/tmp/ansible__52jg8/ansible_module_yum.py\", line 25, in <module>\n import yum\nImportError: No module named yum\n", "module_stdout": "", "msg": "MODULE FAILURE"}
to retry, use: --limit @/root/ansible-tower-setup-bundle-3.0.3-1.el6/install.retry
PLAY RECAP *********************************************************************
localhost : ok=26 changed=0 unreachable=0 failed=1
Ansible Tower系列 二(安装 Tower)文档:http://docs.ansible.com/ansible-tower/ 安装前检查 python版本为2.6 保持网络畅通 内存预留充足 安装用户为root 软件...
请问一下,我这个报错,是什么原因,不太明白。
Ansible Tower系列 二(安装 Tower)文档:http://docs.ansible.com/ansible-tower/ 安装前检查 python版本为2.6 保持网络畅通 内存预留充足 安装用户为root 软件...
fatal: [localhost]: FAILED! => {"changed": false, "cmd": "grep \"DATABASES = {\" /etc/tower/settings.py", "delta": "0:00:00.007005", "end": "2016-12-29 18:38:34.225712", "failed": true, "rc": 2, "start": "2016-12-29 18:38:34.218707", "stderr": "grep: /etc/tower/settings.py: No such file or directory", "stdout": "", "stdout_lines": [], "warnings": []}
fatal: [localhost]: FAILED! => {"changed": false, "cmd": "grep \"amqp://\" /etc/tower/conf.d/celeryd.py", "delta": "0:00:00.006834", "end": "2016-12-29 18:38:34.416822", "failed": true, "rc": 2, "start": "2016-12-29 18:38:34.409988", "stderr": "grep: /etc/tower/conf.d/celeryd.py: No such file or directory", "stdout": "", "stdout_lines": [], "warnings": []}
fatal: [localhost]: FAILED! => {"changed": false, "cmd": "grep \"import ldap\" /etc/tower/settings.py", "delta": "0:00:00.006701", "end": "2016-12-29 18:38:34.756402", "failed": true, "rc": 2, "start": "2016-12-29 18:38:34.749701", "stderr": "grep: /etc/tower/settings.py: No such file or directory", "stdout": "", "stdout_lines": [], "warnings": []}
fatal: [localhost]: FAILED! => {"changed": false, "cmd": "psql --version", "delta": "0:00:00.005885", "end": "2016-12-29 18:38:34.947943", "failed": true, "rc": 127, "start": "2016-12-29 18:38:34.942058", "stderr": "/bin/bash: psql: command not found", "stdout": "", "stdout_lines": [], "warnings": []}
fatal: [localhost]: FAILED! => {"changed": false, "cmd": "cat /var/lib/awx/.tower_version", "delta": "0:00:00.006550", "end": "2016-12-29 18:38:35.327132", "failed": true, "rc": 1, "start": "2016-12-29 18:38:35.320582", "stderr": "cat: /var/lib/awx/.tower_version: No such file or directory", "stdout": "", "stdout_lines": [], "warnings": []}
An exception occurred during task execution. To see the full traceback, use -vvv. The error was: ImportError: No module named yum
failed: [localhost] (item=[u'pyth
Ansible Tower系列 二(安装 Tower)文档:http://docs.ansible.com/ansible-tower/ 安装前检查 python版本为2.6 保持网络畅通 内存预留充足 安装用户为root 软件...