From 090c66581312a008caece399186abc2a997bc563 Mon Sep 17 00:00:00 2001
From: Aaron LI <aly@aaronly.me>
Date: Sat, 24 Feb 2018 16:53:19 +0800
Subject: bootstrap: improve group/user creation; add block marker for
 sshd_config

---
 roles/bootstrap/tasks/main.yml | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

(limited to 'roles/bootstrap')

diff --git a/roles/bootstrap/tasks/main.yml b/roles/bootstrap/tasks/main.yml
index 52eae5d..3ab7e35 100644
--- a/roles/bootstrap/tasks/main.yml
+++ b/roles/bootstrap/tasks/main.yml
@@ -5,17 +5,25 @@
 - debug: var=ansible_ssh_port
 - debug: var=ansible_ssh_private_key_file
 
-- name: User - create deployment user account (group)
+- name: group - check deployment group
+  command: pw groupshow "{{ deploy_user }}"
+  register: pw_cmd
+
+- name: group - create deployment group
   command: pw groupadd "{{ deploy_user }}" -g 999
-  ignore_errors: true
+  when: pw_cmd.rc != 0
+
+- name: user - check deployment user
+  command: pw usershow "{{ deploy_user }}"
+  register: pw_cmd
 
-- name: User - create deployment user account (user)
+- name: user - create deployment user
   command: >
     pw useradd "{{ deploy_user }}"
     -u 999 -g "{{ deploy_user }}"
     -m -d "/var/{{ deploy_user }}"
-    -C "Ansible Deployment"
-  ignore_errors: true
+    -c "Ansible Deployment"
+  when: pw_cmd.rc != 0
 
 - name: SSH - authorized_keys for the deployment user
   authorized_key:
@@ -35,10 +43,10 @@
 - name: SSH - disable password auth for the deployment user
   blockinfile:
     path: /etc/ssh/sshd_config
+    marker: "# {mark} ANSIBLE MANAGED - ansible"
     block: |
       Match User {{ deploy_user }}
           PasswordAuthentication no
-    backup: true
     validate: "sshd -t -f %s"
   notify: restart-sshd
 
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