update

ansible/roles/security-settings/tasks/admin_set.yml

@@ -0,0 +1,14 @@
+---
+- name: key add
+  authorized_key:
+    user: ubuntu
+    state: present
+    key: "{{ lookup('file', lookup('env','HOME') + '/.ssh/id_rsa.pub') }}"
+    manage_dir: False
+
+- name: user change
+  user:
+    name: "{{ username }}"
+    password: "{{ password | password_hash('sha512') }}"
+    state: present
+

ansible/roles/security-settings/tasks/banner.yml

@@ -0,0 +1,29 @@
+---
+- 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

ansible/roles/security-settings/tasks/crictl.yml

@@ -0,0 +1,47 @@
+---
+
+#- 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: Change containerd config
+  copy:
+    src: containerd_dsk_config.toml
+    dest: /etc/containerd/config.toml
+    owner: root
+    group: root
+    mode: 0640
+
+- name: Restart service containerd
+  ansible.builtin.systemd:
+    state: restarted
+    daemon_reload: yes
+    name: containerd
+
+- name: remove all cronjobs for user root
+  command: crontab -r -u root
+  ignore_errors: true
+
+- name: Crictl command crontab setting
+  ansible.builtin.cron:
+    name: "container container prune"
+    minute: "0"
+    hour: "3"
+    user: root
+    job: "for id in `crictl ps -a | grep -i exited | awk '{print $1}'`; do crictl rm $id ; done"
+
+- name: Crictl command crontab setting
+  ansible.builtin.cron:
+    name: "container image prune"
+    minute: "10"
+    hour: "3"
+    user: root
+    job: "/usr/local/bin/crictl rmi --prune"
+
+

ansible/roles/security-settings/tasks/login_defs.yml

@@ -0,0 +1,48 @@
+---
+- 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

ansible/roles/security-settings/tasks/main.yml

@@ -0,0 +1,21 @@
+---
+- include: login_defs.yml
+  tags: login_defs
+
+- include: pam.yml
+  tags: pam
+
+- include: sshd_config.yml
+  tags: sshd_config
+
+- include: profile.yml
+  tags: profile
+
+- include: banner.yml
+  tags: banner
+
+- include: crictl.yml
+  tags: circtl
+
+#- include: admin_set.yml
+# tags: admin_set

ansible/roles/security-settings/tasks/pam.yml

@@ -0,0 +1,82 @@
+---
+- 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"
+
+#- name: configure system settings, file descriptors and number of threads
+#  pam_limits:
+#    domain: '*'
+#    limit_type: "{{item.limit_type}}"
+#    limit_item: "{{item.limit_item}}"
+#    value: "{{item.value}}"
+#  with_items:
+#    - { limit_type: '-', limit_item: 'nofile', value: 65536 }
+#    - { limit_type: '-', limit_item: 'nproc', value: 65536 }
+##    - { limit_type: 'soft', limit_item: 'memlock', value: unlimited }
+##    - { limit_type: 'hard', limit_item: 'memlock', value: unlimited }
+
+#- name: reload settings from all system configuration files
+#  shell: sysctl --system
+
+#- name: Creates directory systemd config
+#  file:
+#    path: /etc/systemd/system.conf.d
+#    state: directory
+#    owner: root
+#    group: root
+#    mode: 0775
+ 
+#- name: Create systemd limits
+#  copy:
+#    src: systemd_limit.conf
+#    dest: /etc/systemd/system.conf.d/limits.conf
+#    owner: root
+#    group: root
+#    mode: 644
+ 

ansible/roles/security-settings/tasks/profile.yml

@@ -0,0 +1,24 @@
+---
+- 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' }}"

ansible/roles/security-settings/tasks/sshd_config.yml

@@ -0,0 +1,23 @@
+---
+- 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