Nowadays I am working about CloudFormation in AWS. It’s a really time consumer IAC tool. Maybe the reason that I blame it like that is that I am newbie about AWS. But honestly I tried Terraform and I feel better while using it. In this blog post, I’ll talk about […]
Nowadays I interest with dokku. It look like awesome while working with it. As a newbee about that topic I got so many problems while working with it. In this blog post I’ll share how to solve problem about access right. As they wrote on Github Readme.md of Dokku I […]
In this blog post. I’ll talk about boring stuffs about working on shell and python together. There are few way to execute shell [bash|sh|zsh] command on python probably you searched and used one of them before. There are few bookmarks which you can check about that topic http://stackoverflow.com/questions/89228/calling-an-external-command-in-python http://stackoverflow.com/questions/89228/calling-an-external-command-in-python/92395#92395 http://stackoverflow.com/questions/89228/calling-an-external-command-in-python/89243#89243 […]
While working with emacs tramp term is the best solution to make some changes on remote files. I have been using it. For a long time. It’s easy to connect after M-x tramp-term command root@ip but if you want to connect to server with non-default port like 2222 For this […]
Ansible-playbooks has own output style. In this blog post I have just shared YAML file that explains how to handle return codes in ansible-playbooks So there is an example that handles errors of Ansible.
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- hosts: localhost gather_facts: no #strategy: debug tasks: - name: run this command and ignore the result shell: ping -c 1 8.8.8.8 register: pingout ignore_errors: yes - debug: msg="{{ pingout.rc }}" - name: Prepare well output raw: echo "What a wonderful world" register: output when: pingout.rc == 0 - debug: var=output - name: run this command and ignore the result raw: ping -c 1 8.8.8.7 register: pingout2 ignore_errors: yes - debug: msg="{{ pingout2.rc }}" - name: run this command if something wrong shell: echo "Something goes wrong :)" register: output2 when: pingout2.rc != 0 - debug: var=output2 |
Output:
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PLAY [localhost] *************************************************************** TASK [run this command and ignore the result] ********************************** changed: [127.0.0.1] TASK [debug] ******************************************************************* ok: [127.0.0.1] => { "msg": "0" } TASK [run this command if everything is okey] ********************************** changed: [127.0.0.1] TASK [debug] ******************************************************************* ok: [127.0.0.1] => { "output": { "changed": true, "cmd": "echo \"What a wonderful world\"", "delta": "0:00:00.001372", "end": "2016-08-18 11:16:11.745843", "rc": 0, "start": "2016-08-18 11:16:11.744471", "stderr": "", "stdout": "What a wonderful world", "stdout_lines": [ "What a wonderful world" ], "warnings": [] } } TASK [run this command and ignore the result] ********************************** fatal: [127.0.0.1]: FAILED! => {"changed": false, "failed": true, "rc": 1, "stderr": "", "stdout": "PING 8.8.8.7 (8.8.8.7) 56(84) bytes of data.\r\n\r\n--- 8.8.8.7 ping statistics ---\r\n1 packets transmitted, 0 received, 100% packet loss, time 0ms\r\n\r\n", "stdout_lines": ["PING 8.8.8.7 (8.8.8.7) 56(84) bytes of data.", "", "--- 8.8.8.7 ping statistics ---", "1 packets transmitted, 0 received, 100% packet loss, time 0ms", ""]} ...ignoring TASK [debug] ******************************************************************* ok: [127.0.0.1] => { "msg": "1" } TASK [run this command if something wrong] ************************************* ok: [127.0.0.1] TASK [debug] ******************************************************************* ok: [127.0.0.1] => { "output2": { "changed": false, "rc": 0, "stderr": "", "stdout": "Something goes wrong :)\r\n", "stdout_lines": [ "Something goes wrong :)" ] } } PLAY RECAP ********************************************************************* 127.0.0.1 : ok=8 changed=2 unreachable=0 failed=0 |
That playbook will not return with failed status because of that we […]
vsphere_guest really efficient tool while working VMware. It has many many feature to boot machine by using Ansible. While working with it I think there is good examples to understand how it works but in my opinion nobody has time to try and work with all examples with all different […]
I didn’t work so much about FTP server configuration but today one of our customer wanted to create limited FTP user who just gonna upload image files to server and after that another script going to fetch fetch all files for another main directory of web server. (Nobody believes each […]
Kickstart is a good tool that help us while booting new environment for development. The most boring thing about that i see about it, You need to use different ks.conf files for different distros. Ubuntu has such a good GUI tool that helps you about prepare ks.conf file from zero […]
I use Vagrant as a development environment for my projects because It brings so many feature of virtualization. And It’s easy to threat him as local machine. After that I installed vagrant from normal repository. I face to face problem about rsync between sync folders. After that i read it […]
Emacs still growing up. Big thanks to Melpa repository and package maintainers. Nowadays we have a chance to use so much package about what we interest. Like every kid, while growing up, Emacs also makes a problem for us or new shortcuts that we have to learn in our life. […]
