[student@workstation lab-roles]$ ansible-galaxy init --offline -p roles student.myenv
- student.myenv was created successfully
[student@workstation lab-roles]$ ansible-galaxy init --offline -p roles myapache
- myapache was created successfully
[student@workstation lab-roles]$ tree
.
├── ansible.cfg
├── apache_httpdconf.j2
├── apache_indexhtml.j2
├── inventory
├── mkcd.sh.j2
└── roles
├── myapache
│ ├── README.md
│ ├── defaults
│ │ └── main.yml
│ ├── files
│ ├── handlers
│ │ └── main.yml
│ ├── meta
│ │ └── main.yml
│ ├── tasks
│ │ └── main.yml
│ ├── templates
│ ├── tests
│ │ ├── inventory
│ │ └── test.yml
│ └── vars
│ └── main.yml
└── student.myenv
├── README.md
├── defaults
│ └── main.yml
├── files
├── handlers
│ └── main.yml
├── meta
│ └── main.yml
├── tasks
│ └── main.yml
├── templates
├── tests
│ ├── inventory
│ └── test.yml
└── vars
└── main.yml
[student@workstation lab-roles]$ mv mkcd.sh.j2 roles/student.myenv/templates/
[student@workstation lab-roles]$ cp /usr/share/icons/hicolor/48x48/apps/system-logo-icon.png roles/student.myenv/files/profile.png
[student@workstation lab-roles]$ vi roles/student.myenv/tasks/main.yml
[student@workstation lab-roles]$ cat roles/student.myenv/tasks/main.yml
---
# tasks file for student.myenv
- name: check myenv_user default
fail:
msg: You must specify the variale 'myenv_user' to use this role!
when: "myenv_user == ''"
- name: install my packages
yum:
name: "{{ item }}"
state: installed
with_items: "{{ myenv_packages }}"
- name: copy placeholder profile pic
copy:
src: profile.png
dest: "~{{ myenv_user }}/profile.png"
- name: set an alias in '.bashrc'
copy:
src: profile.png
dest: "~{{ myenv_user }}/.bashrc"
- name: template out mkcd function
template:
src: mkcd.sh.j2
dest: /etc/profile.d/mkcd.sh
owner: root
group: root
mode: 0644
[student@workstation lab-roles]$ vi roles/student.myenv/vars/main.yml
[student@workstation lab-roles]$ cat roles/student.myenv/vars/main.yml
---
# vars file for student.myenv
myenv_packages:
- 'git'
- 'tree'
- 'vim-enhanced'
[student@workstation lab-roles]$ vi roles/student.myenv/defaults/main.yml
[student@workstation lab-roles]$ cat roles/student.myenv/defaults/main.yml
---
# defaults file for student.myenv
myenv_user: ''
[student@workstation lab-roles]$ vi myenv.yml
[student@workstation lab-roles]$ cat roles/student.myenv/defaults/main.yml
---
# defaults file for student.myenv
myenv_user: ''
[student@workstation lab-roles]$ cat myenv.yml
---
- name: setup my personal environment
hosts: all
roles:
- student.myenv
[student@workstation lab-roles]$ ansible-playbook myenv.yml
PLAY [setup my personal environment] ******************************************************************************************************************************************************************************
TASK [Gathering Facts] ********************************************************************************************************************************************************************************************
ok: [serverb.lab.example.com]
ok: [serverc.lab.example.com]
TASK [student.myenv : check myenv_user default] *******************************************************************************************************************************************************************
fatal: [serverb.lab.example.com]: FAILED! => {"changed": false, "failed": true, "msg": "You must specify the variale 'myenv_user' to use this role!"}
fatal: [serverc.lab.example.com]: FAILED! => {"changed": false, "failed": true, "msg": "You must specify the variale 'myenv_user' to use this role!"}
to retry, use: --limit @/home/student/lab-roles/myenv.retry
PLAY RECAP ********************************************************************************************************************************************************************************************************
serverb.lab.example.com : ok=1 changed=0 unreachable=0 failed=1
serverc.lab.example.com : ok=1 changed=0 unreachable=0 failed=1
[student@workstation lab-roles]$
[student@workstation lab-roles]$ vi myenv.yml
---
# defaults file for student.myenv
myenv_user: ''
[student@workstation lab-roles]$ cat myenv.yml
---
- name: setup my personal environment
hosts: all
roles:
- role: student.myenv
myenv_user: student
[student@workstation lab-roles]$ ansible-playbook myenv.yml
PLAY [setup my personal environment] ******************************************************************************************************************************************************************************
TASK [Gathering Facts] ********************************************************************************************************************************************************************************************
ok: [serverb.lab.example.com]
ok: [serverc.lab.example.com]
TASK [student.myenv : check myenv_user default] *******************************************************************************************************************************************************************
skipping: [serverb.lab.example.com]
skipping: [serverc.lab.example.com]
TASK [student.myenv : install my packages] ************************************************************************************************************************************************************************
changed: [serverc.lab.example.com] => (item=[u'git', u'tree', u'vim-enhanced'])
changed: [serverb.lab.example.com] => (item=[u'git', u'tree', u'vim-enhanced'])
TASK [student.myenv : copy placeholder profile pic] ***************************************************************************************************************************************************************
changed: [serverc.lab.example.com]
changed: [serverb.lab.example.com]
TASK [student.myenv : set an alias in '.bashrc'] ******************************************************************************************************************************************************************
changed: [serverc.lab.example.com]
changed: [serverb.lab.example.com]
TASK [student.myenv : template out mkcd function] *****************************************************************************************************************************************************************
changed: [serverb.lab.example.com]
changed: [serverc.lab.example.com]
PLAY RECAP ********************************************************************************************************************************************************************************************************
serverb.lab.example.com : ok=5 changed=4 unreachable=0 failed=0
serverc.lab.example.com : ok=5 changed=4 unreachable=0 failed=0
[student@workstation lab-roles]$ mv apache_*.j2 roles/myapache/templates/
[student@workstation lab-roles]$ tree roles/myapache/templates/
roles/myapache/templates/
├── apache_httpdconf.j2
└── apache_indexhtml.j2
0 directories, 2 files
[student@workstation lab-roles]$ vi roles/myapache/handlers/main.yml
[student@workstation lab-roles]$ cat roles/myapache/handlers/main.yml
---
# handlers file for myapache
- name: restart apache
service:
name: httpd
state: restarted
[student@workstation lab-roles]$ vi roles/myapache/tasks/main.yml
[student@workstation lab-roles]$ cat roles/myapache/tasks/main.yml
---
# tasks file for myapache
- name: install apache package
yum:
name: httpd
state: latest
- name: install firewalld package
yum:
name: firewalld
state: latest
- name: template out apache configuration file
template:
src: apache_httpdconf.j2
dest: /etc/httpd/conf/httpd.conf
owner: root
group: root
mode: 0444
notify:
- restart apache
when: apache_enable
- name: template out apache index.html
template:
src: apache_indexhtml.j2
dest: /var/www/html/index.html
owner: root
group: root
mode: 0444
when: apache_enable
- name: start and enable apache daemon
service:
name: httpd
state: started
enabled: true
when: apache_enable
- name: start and enble firewalld daemon
service:
name: firewalld
state: started
enabled: true
when: apache_enable
- name: open http firewall port
firewalld:
port: 80/tcp
immediate: true
permanent: true
state: enabled
when: apache_enable
[student@workstation lab-roles]$ vi roles/myapache/defaults/main.yml
[student@workstation lab-roles]$ cat roles/myapache/defaults/main.yml
---
# defaults file for myapache
apache_enable: false
[student@workstation lab-roles]$ vi apache.yml
[student@workstation lab-roles]$ cat apache.yml
---
- name: setup apache on serverb.lab.example.com
hosts: serverb.lab.example.com
roles:
- myapache
[student@workstation lab-roles]$
[student@workstation lab-roles]$ ansible-playbook apache.yml
PLAY [setup apache on serverb.lab.example.com] ********************************************************************************************************************************************************************
TASK [Gathering Facts] ********************************************************************************************************************************************************************************************
ok: [serverb.lab.example.com]
TASK [myapache : install apache package] **************************************************************************************************************************************************************************
ok: [serverb.lab.example.com]
TASK [myapache : install firewalld package] ***********************************************************************************************************************************************************************
ok: [serverb.lab.example.com]
TASK [myapache : template out apache configuration file] **********************************************************************************************************************************************************
skipping: [serverb.lab.example.com]
TASK [myapache : template out apache index.html] ******************************************************************************************************************************************************************
skipping: [serverb.lab.example.com]
TASK [myapache : start and enable apache daemon] ******************************************************************************************************************************************************************
skipping: [serverb.lab.example.com]
TASK [myapache : start and enble firewalld daemon] ****************************************************************************************************************************************************************
skipping: [serverb.lab.example.com]
TASK [myapache : open http firewall port] *************************************************************************************************************************************************************************
skipping: [serverb.lab.example.com]
PLAY RECAP ********************************************************************************************************************************************************************************************************
serverb.lab.example.com : ok=3 changed=0 unreachable=0 failed=0
[student@workstation lab-roles]$
[student@workstation lab-roles]$
[student@workstation lab-roles]$ vi apache.yml
[student@workstation lab-roles]$ cat apache.yml
---
- name: setup apache on serverb.lab.example.com
hosts: serverb.lab.example.com
roles:
- role: myapache
apache_enable: true
[student@workstation lab-roles]$ ansible-playbook apache.yml
[student@workstation lab-roles]$ curl -s http://serverb.lab.example.com
<!-- Ansible managed -->
<h2>Apache is running!</h2>
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