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Question No. 1

Create Logical volumes with lvm.yml in all nodes according to following requirements.

* Create a new Logical volume named as 'data'

* LV should be the member of 'research' Volume Group

* LV size should be 1500M

* It should be formatted with ext4 file-system.

--> If Volume Group does not exist then it should print the message "VG Not found"

--> If the VG can not accommodate 1500M size then it should print "LV Can not be created with following size", then the LV should be created with 800M of size.

--> Do not perform any mounting for this LV.

A. Explanation: Solution as: # pwd /home/admin/ansible # vim lvm.yml --- - name: hosts: all ignore_errors: yes tasks: - name: lvol: lv: data vg: research size: "1500" - debug: msg: "VG Not found" when: ansible_lvm.vgs.research is not defined - debug: msg: "LV Can not be created with following size" when: ansible_lvm.vgs.research.size_g < "1.5" - name: lvol: lv: data vg: research size: "800" when: ansible_lvm.vgs.research.size_g < "1.5" - name: filesystem: fstype: ext4 dev: /dev/research/data :wq! # ansible-playbook lvm.yml ---syntax-check # ansibleplaybook lvm.yml

Answer: A

Question No. 2

Create user accounts

--> A list of users to be created can be found in the file called user_list.yml save to /home/admin/ansible/

--> Using the password vault created elsewhere in this exam, create a playbook called create_user.yml

that creates user accounts as follows:

--> Users with a job description of developer should be:

--> created on managed nodes in the "dev" and "test" host groups assigned the

password from the "dev_pass" variable and these user should be member of supplementary group "devops".

--> Users with a job description of manager should be: --> created on managed nodes in the "prod" host group assigned the password from the "mgr_pass" variable and these user should be member of supplementary group "opsmgr" --> Passwords should use the "SHA512" hash format. Your playbook should work using the vault password file created elsewhere in this exam. while practising you to create these file hear. But in exam have to download as per questation.

user_list.yml file consist: user: - name: user1 job: developer - name: user2 job: manager

A. Explanation: Solution as: # pwd /home/admin/ansible # wget http://classroom.example.com/user_list.yml # cat user_list.yml # vim create_user.yml ---name: hosts: all vars_files: - ./user_list.yml - ./vault.yml tasks: - name: creating groups group: name: "{{ item }}" state: present loop: - devops - opsmgr - name: creating user user: name: "{{ item.name }}" state: present groups: devops password: "{{ dev_pass|password_hash ('sha512') }}" loop: "{{ user }}" when: (inventory_hostname in groups['dev'] or inventory_hostname in groups['test']) and item.job == "developer" - name: creating user user: name: "{{ item.name }}" state: present groups: opsmgr password: "{{ mgr_pass|password_hash ('sha512') }}" loop: "{{ user }}" when: inventory_hostname in groups['prod'] and item.job == "manager" :wq! # ansible-playbook create_user.yml ---vaultpassword-file=password.txt ---syntax-check # ansible-playbook create_user.yml ---vaultpassword-file=password.txt

Answer: A

Question No. 3

Rekey an existing Ansible vault as follows:

* Download Ansible vault from http:// classroom.example.com /secret.yml to /home/ admin/ansible/

* The current vault password is curabete

* The new vault password is newvare

* The vault remains in an encrypted state with the new password

A. Explanation: Solution as: # pwd /home/admin/ansible/ # wget http://classroom.example.com/secret.yml # chmod 0600 newpassword.txt # ansible-vault rekey vault.yml --new-vault-password-file=newpassword.txt

Answer: A

Question No. 4

Modify file content.

Create a playbook called /home/admin/ansible/modify.yml as follows:

* The playbook runs on all inventory hosts

* The playbook replaces the contents of /etc/issue with a single line of text as follows:

--> On hosts in the dev host group, the line reads: ''Development''

--> On hosts in the test host group, the line reads: ''Test''

--> On hosts in the prod host group, the line reads: ''Production''

A. Explanation: Solution as: # pwd /home/admin/ansible # vim modify.yml --- - name: hosts: all tasks: - name: copy: content: "Development" dest: /etc/issue when: inventory_hostname in groups['dev'] - name: copy: content: "Test" dest: /etc/issue when: inventory_hostname in groups['test'] - name: copy: content: "Production" dest: /etc/issue when: inventory_hostname in groups['prod'] :wq # ansible-playbook modify.yml ---syntax-check # ansible-playbook modify.yml

Answer: A

Question No. 5

Install and configure ansible

User sandy has been created on your control node with the appropriate permissions already, do not change or modify ssh keys. Install the necessary packages to run ansible on the control node. Configure ansible.cfg to be in folder /home/sandy/ansible/ansible.cfg and configure to access remote machines via the sandy user. All roles should be in the path /home/sandy/ansible/roles. The inventory

path should be in /home/sandy/ansible/invenlory.

You will have access to 5 nodes.

node3.example.com

Configure these nodes to be in an inventory file where node I is a member of group dev. nodc2 is a member of group test, node3 is a member of group proxy, nodc4 and node 5 are members of group prod. Also, prod is a member of group webservers.

A. Explanation: In/home/sandy/ansible/ansible.cfg [defaults] inventory=/home/sandy/ansible/inventory roles_path=/home/sandy/ansible/roles remote_user= sandy host_key_checking=false [privilegeescalation] become=true become_user=root become_method=sudo become_ask_pass=false In /home/sandy/ansible/inventory [dev] node 1 .example.com [test] node2.example.com [proxy] node3 .example.com [prod] node4.example.com node5 .example.com [webservers:children] prod

Answer: A