Make Ansible setup testable in Vagrant

Added logic to change the sshd port if not already configured,
configued Vagrantfile to work properly and fixed a couple of deploy
errors.

Vagrantfile

@@ -1,14 +1,13 @@
 Vagrant.require_version ">= 1.7.0"
 
 Vagrant.configure(2) do |config|
-
+  config.vm.network "forwarded_port", guest: 19022, host: 19022, id: "new_ssh"
   config.vm.define "datacoop" do |datacoop|
     datacoop.vm.box = "ubuntu/bionic64"
     datacoop.vm.hostname = "datacoop"
     datacoop.vm.provider "virtualbox" do |v|
       v.memory = 4096
     end
-    datacoop.vm.network "private_network", ip: "192.168.0.42"
     datacoop.vm.provision "ansible" do |ansible|
       ansible.verbose = "v"
       ansible.compatibility_mode = "2.0"

playbook.yml

@@ -9,11 +9,11 @@
 
     services:
       - nginx-proxy
+      - postfix
       - openldap
       - nextcloud
       - passit
       - gitea
-      - postfix
       - matrix_riot
       - privatebin
       - codimd

roles/ubuntu_base/handlers/main.yml

@@ -0,0 +1,5 @@
+---
+- name: Restart sshd
+  service:
+    name: sshd
+    state: restarted

roles/ubuntu_base/tasks/base.yml

@@ -14,7 +14,9 @@
 - name: Install necessary packages via pip
   pip:
     name: "{{ packages }}"
+    state: latest
   vars:
     packages:
+      - pip  # upgrade needed for docker-compose to install
       - docker
       - docker-compose

roles/ubuntu_base/tasks/main.yml

@@ -1,4 +1,6 @@
 ---
+- import_tasks: ssh.yml
+  tags: [change-ssh-port]
 - import_tasks: custom-apt-repos.yml
   tags: [setup-custom-apt]
 - import_tasks: upgrade.yml
@@ -7,4 +9,3 @@
   tags: [install-base-packages]
 - import_tasks: users.yml
   tags: [setup-users]
-

roles/ubuntu_base/tasks/ssh.yml

@@ -0,0 +1,42 @@
+---
+- name: Check if SSH port is already configured
+  wait_for:
+    port: 19022
+    state: started
+    host: "{{ inventory_hostname }}"
+    connect_timeout: 5
+    timeout: 10
+  become: false
+  delegate_to: localhost
+  ignore_errors: true
+  register: ssh_configured
+
+# If we're running in Vagrant, ansible_port is 2222
+- name: Change Ansible port to 22 if needed
+  set_fact:
+    ansible_port: 22
+  when: ssh_configured is defined and
+        (ssh_configured.state is undefined or
+        (ssh_configured.state is defined and
+        ssh_configured.state != "started")) and
+        ansible_port != 2222
+
+- name: Change SSH port
+  lineinfile:
+    dest: "/etc/ssh/sshd_config"
+    regexp: "^#?Port"
+    line: "Port 19022"
+  register: ssh_changed
+  notify: "Restart sshd"
+  when: ssh_configured is defined and
+        (ssh_configured.state is undefined or
+        (ssh_configured.state is defined and
+        ssh_configured.state != "started"))
+
+- name: Ensure sshd is reloaded if needed
+  meta: flush_handlers
+
+- name: Change ansible_port 19022
+  set_fact:
+    ansible_port: 19022
+  when: ssh_changed is defined