ansible/roles/base/tasks/main.yaml

   1 ---
   2 - set_fact:
   3     sshd_allowusers: >-
   4       {{ [ 'root' ] | union(user_groups.noc)
   5                     | union(sshd_allowusers_group | default([]))
   6                     | union(sshd_allowusers_host  | default([])) }}
   7
   8 - name: only allow pubkey auth for root
   9   lineinfile:
  10      dest: /etc/ssh/sshd_config
  11      regexp: "^PermitRootLogin"
  12      line: "PermitRootLogin without-password"
  13   notify: restart ssh
  14
  15 - name: limit allowed users (1/2)
  16   lineinfile:
  17      dest: /etc/ssh/sshd_config
  18      regexp: "^#?AllowUsers"
  19      line: "AllowUsers {{ ' '.join(sshd_allowusers) }}"
  20   when: sshd_allowgroup is not defined
  21   notify: restart ssh
  22
  23 - block:
  24     - name: "limit allowed users (2/2): Make sure AllowUsers is not in sshd_config"
  25       lineinfile:
  26         dest: /etc/ssh/sshd_config
  27         regexp: "^AllowUsers"
  28         state: absent
  29       notify: restart ssh
  30
  31     - name: "limit allowed users (2/2): Set AllowGroups in sshd_config"
  32       lineinfile:
  33         dest: /etc/ssh/sshd_config
  34         regexp: "^#?AllowGroups"
  35         line: AllowGroups {{ sshd_allowgroup }}
  36       notify: restart ssh
  37
  38     - name: "limit allowed users (2/2): Add allowed users to ssh group"
  39       user:
  40         name: "{{ item }}"
  41         groups: "{{ sshd_allowgroup }}"
  42         append: True
  43       with_items: "{{ sshd_allowusers }}"
  44
  45   when: sshd_allowgroup is defined
  46
  47 - name: Set authorized keys for root user
  48   authorized_key:
  49     user: root
  50     key: "{{ lookup('pipe','cat ssh/noc/*.pub') }}"
  51     exclusive: yes
  52
  53 - name: disable apt suggests and recommends
  54   copy: src=02no-recommends dest=/etc/apt/apt.conf.d/ mode=0644
  55
  56 - name: install basic packages
  57   apt: name={{ item }} state=present
  58   with_items:
  59     - less
  60     - psmisc
  61     - sudo
  62     - htop
  63     - dstat
  64     - mtr-tiny
  65     - tcpdump
  66     - debian-goodies
  67     - lsof
  68     - haveged
  69     - net-tools
  70     - ntp
  71     - screen
  72     - aptitude
  73     - unp
  74     - ca-certificates
  75     - file
  76     - zsh
  77     - python-apt
  78
  79 - block:
  80     - name: install systemd specific packages
  81       apt: name={{ item }} state=present
  82       with_items:
  83         - dbus
  84         - libpam-systemd
  85
  86     - name: set systemd-related environment variables
  87       copy: src=xdg_runtime_dir.sh dest=/etc/profile.d/xdg_runtime_dir.sh mode=0644
  88
  89   when: ansible_service_mgr == "systemd"
  90
  91 - name: install zshrc
  92   copy: src={{ item.src }} dest={{ item.dest }} mode=0644
  93   with_items:
  94     - { "src": "zprofile", "dest": "/etc/zsh/zprofile" }
  95     - { "src": "zshrc", "dest": "/etc/zsh/zshrc" }
  96     - { "src": "zshrc.skel", "dest": "/etc/skel/.zshrc" }
  97
  98 - name: set root default shell to zsh
  99   user: name=root shell=/bin/zsh
 100
 101 - name: set default shell for adduser
 102   lineinfile: dest=/etc/adduser.conf regexp={{ item.regexp }} line={{ item.line }}
 103   with_items:
 104     - { regexp: "^DSHELL", line: "DSHELL=/bin/zsh" }