Clean Code

01-old/ansible/roles/bastion/tasks/admin_set.yml

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+---
+- name: user change
+  user:
+    name: "{{ username }}"
+    password: "{{ password | password_hash('sha512') }}"
+    state: present
+

01-old/ansible/roles/bastion/tasks/banner.yml

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+---
+- name: Create a tar.gz archive of a single file.
+  archive:
+    path: /etc/update-motd.d/*
+    dest: /etc/update-motd.d/motd.tar.gz
+    format: gz
+    force_archive: true
+
+- name: remove a motd.d files
+  file:
+    path: /etc/update-motd.d/{{ item }}
+    state: absent
+  with_items:
+    - 10-help-text
+    - 85-fwupd
+    - 90-updates-available
+    - 91-release-upgrade
+    - 95-hwe-eol
+    - 98-fsck-at-reboot
+    - 50-motd-news
+    - 88-esm-announce
+
+- name: Create login banner
+  copy:
+    src: login_banner
+    dest: /etc/update-motd.d/00-header
+    owner: root
+    group: root
+    mode: 0755

01-old/ansible/roles/bastion/tasks/crictl.yml

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+---
+- name: Downloading and extracting {{ crictl_app }} {{ crictl_version }}
+  unarchive:
+    src: "{{ crictl_dl_url }}"
+    dest: "{{ crictl_bin_path }}"
+    owner: "{{ crictl_file_owner }}"
+    group: "{{ crictl_file_group }}"
+    extra_opts:
+      - crictl
+    remote_src: yes
+
+- name: Crictl command crontab setting
+  ansible.builtin.cron:
+    name: crontab command
+    minute: "0"
+    hour: "3"
+    user: root
+    job: "/usr/local/bin/crictl rmi --prune"
+ 

01-old/ansible/roles/bastion/tasks/login_defs.yml

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+---
+- name: Set pass max days
+  lineinfile:
+    dest: /etc/login.defs
+    state: present
+    regexp: '^PASS_MAX_DAYS.*$'
+    line: "PASS_MAX_DAYS\t{{os_auth_pw_max_age}}"
+    backrefs: yes
+
+- name: Set pass min days
+  lineinfile:
+    dest: /etc/login.defs
+    state: present
+    regexp: '^PASS_MIN_DAYS.*$'
+    line: "PASS_MIN_DAYS\t{{os_auth_pw_min_age}}"
+    backrefs: yes
+
+- name: Set pass min length
+  lineinfile:
+    dest: /etc/login.defs
+    state: present
+    regexp: '^PASS_MIN_LEN.*$'
+    line: "PASS_MIN_LEN\t{{pwquality_minlen}}"
+    backrefs: yes
+
+- name: Set pass warn days
+  lineinfile:
+    dest: /etc/login.defs
+    state: present
+    regexp: '^PASS_WARN_AGE.*$'
+    line: "PASS_WARN_AGE\t{{os_auth_pw_warn_age}}"
+    backrefs: yes
+
+- name: Set password encryption to SHA512
+  lineinfile:
+    dest: /etc/login.defs
+    state: present
+    regexp: '^ENCRYPT_METHOD\s.*$'
+    line: "ENCRYPT_METHOD\tSHA512"
+    backrefs: yes
+
+- name: Disable MD5 crypt explicitly
+  lineinfile:
+    dest: /etc/login.defs
+    state: present
+    regexp: '^MD5_CRYPT_ENAB.*$'
+    line: "MD5_CRYPT_ENAB NO"
+    backrefs: yes

01-old/ansible/roles/bastion/tasks/main.yml

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+---
+- pause:
+    seconds: "{{ pause_time }}"
+
+- include: sshd_config.yml
+  tags: sshd_config
+
+- include: sudoers.yml
+  tags: sudoers
+
+- include: admin_set.yml
+  tags: admin_set

01-old/ansible/roles/bastion/tasks/pam.yml

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+---
+- name: Add pam_tally2.so 
+  template:
+    src: common-auth.j2
+    dest: /etc/pam.d/common-auth
+    owner: root
+    group: root
+    mode: 0644
+
+- name: Create pwquality.conf password complexity configuration
+  block:
+    - apt:
+        name: libpam-pwquality
+        state: present
+        install_recommends: false
+    - template:
+        src: pwquality.conf.j2
+        dest: /etc/security/pwquality.conf
+        owner: root
+        group: root
+        mode: 0644
+
+- name: Add pam_tally2.so
+  block:
+    - lineinfile:
+        dest: /etc/pam.d/common-account
+        regexp: '^account\srequisite'
+        line: "account requisite pam_deny.so"
+
+    - lineinfile:
+        dest: /etc/pam.d/common-account
+        regexp: '^account\srequired'
+        line: "account required pam_tally2.so"
+
+- name: password reuse is limited
+  lineinfile:
+    dest: /etc/pam.d/common-password
+    line: "password required pam_pwhistory.so remember=5"
+
+- name: password hashing algorithm is SHA-512
+  lineinfile:
+    dest: /etc/pam.d/common-password
+    regexp: '^password\s+\[success'
+    line: "password [success=1 default=ignore] pam_unix.so sha512"
+
+- name: Shadow Password Suite Parameters
+  lineinfile:
+    dest: /etc/pam.d/common-password
+    regexp: '^password\s+\[success'
+    line: "password [success=1 default=ignore] pam_unix.so sha512"

01-old/ansible/roles/bastion/tasks/profile.yml

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+---
+- name: Set session timeout
+  lineinfile:
+    dest: /etc/profile
+    regexp: '^TMOUT=.*'
+    insertbefore: '^readonly TMOUT'
+    line: 'TMOUT={{shell_timeout}}'
+    state: "{{ 'absent' if (shell_timeout == 0) else 'present' }}"
+
+- name: Set TMOUT readonly
+  lineinfile:
+    dest: /etc/profile
+    regexp: '^readonly TMOUT'
+    insertafter: 'TMOUT={{shell_timeout}}'
+    line: 'readonly TMOUT'
+    state: "{{ 'absent' if (shell_timeout == 0) else 'present' }}"
+
+- name: Set export TMOUT
+  lineinfile:
+    dest: /etc/profile
+    regexp: '^export TMOUT.*'
+    insertafter: 'readonly TMOUT'
+    line: 'export TMOUT'
+    state: "{{ 'absent' if (shell_timeout == 0) else 'present' }}"

01-old/ansible/roles/bastion/tasks/sshd_config.yml

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+---
+- name: Configure ssh root login to {{sshrootlogin}}
+  lineinfile:
+    dest: /etc/ssh/sshd_config
+    regexp: '^(#)?PermitRootLogin.*'
+    line: 'PermitRootLogin {{sshrootlogin}}'
+    insertbefore: '^Match.*'
+    state: present
+    owner: root
+    group: root
+    mode: 0640
+  notify: restart sshd
+
+- name: SSH Listen on Main Port
+  lineinfile:
+    dest: /etc/ssh/sshd_config
+    insertbefore: '^#*AddressFamily'
+    line: 'Port {{sshmainport}}'
+    state: present
+    owner: root
+    group: root
+    mode: 0640
+  notify: restart sshd
+
+- name: "Setting sshd allow users"
+  template:
+    src: allow_users.j2
+    dest: "/etc/ssh/sshd_config.d/allow_users.conf"
+  notify: restart sshd
+    

01-old/ansible/roles/bastion/tasks/sudoers.yml

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+---
+- name: Get all ssh sessions 
+  shell: ps -ef | grep sshd | grep -v root | grep -v "{{ ansible_user }}" | awk '{print $2}' 
+  register: ssh_sessions
+  ignore_errors: true
+
+- name: Terminate ssh sessions
+  shell: kill -9 {{ item }}
+  with_items: "{{ ssh_sessions.stdout_lines }}"
+  when: ssh_sessions is defined
+  ignore_errors: true
+
+- name: "Create devops group"
+  ansible.builtin.group:
+    name: "devops"
+    state: present
+
+- name: "get current users"
+  shell: "cat /etc/passwd | egrep -iv '(false|nologin|sync|root|dev2-iac)' | awk -F: '{print $1}'"
+  register: deleting_users
+
+- name: "Delete users"
+  ansible.builtin.user:
+    name: "{{ item }}"
+    state: absent
+    remove: yes
+  with_items: "{{ deleting_users.stdout_lines }}"
+  when: item != ansible_user
+  ignore_errors: true
+    
+
+- name: "Create admin user"
+  ansible.builtin.user:
+    name: "{{ item.name }}"
+    group: "devops"
+    shell: "/bin/bash"
+    system: yes
+    state: present
+  with_items: "{{ admin_users }}"
+  when: 
+  - item.name is defined
+  ignore_errors: true
+
+- name: "admin user password change"
+  user:
+    name: "{{ item.name }}"
+    password: "{{ password | password_hash('sha512') }}"
+    state: present
+  with_items: "{{ admin_users }}"
+  when: 
+  - item.name is defined 
+  ignore_errors: true
+
+- name: "Add admin user key"
+  authorized_key:
+    user: "{{ item.name  }}"
+    state: present
+    key: "{{ item.key }}"
+  with_items: "{{ admin_users }}"
+  when: 
+  - item.name is defined
+  - item.key is defined
+  - common_user == True
+  ignore_errors: true
+
+
+- name: "Create common user"
+  ansible.builtin.user:
+    name: "{{ item.name }}"
+    group: "users"
+    shell: "/bin/bash"
+    system: yes
+    state: present
+  with_items: "{{ allow_users }}"
+  when: 
+  - item.name is defined 
+  - common_user == True
+  ignore_errors: true
+
+- name: "Change common user password change"
+  user:
+    name: "{{ item.name }}"
+    password: "{{ password | password_hash('sha512') }}"
+    state: present
+  with_items: "{{ allow_users }}"
+  when: 
+  - item.name is defined 
+  - common_user == True
+  ignore_errors: true
+
+- name: "Add common user key"
+  authorized_key:
+    user: "{{ item.name  }}"
+    state: present
+    key: "{{ item.key }}"
+  with_items: "{{ allow_users }}"
+  when:
+  - item.name is defined
+  - item.key is defined
+  - common_user == True
+  ignore_errors: true
+
+- name: "Setting sudoers allow users"
+  template:
+    src: sudoers_users.j2
+    dest: "/etc/sudoers.d/sudoers_users"
+  ignore_errors: true