3 files changed, 49 insertions, 0 deletions
diff --git a/src/roles/common/handlers/main.yml b/src/roles/common/handlers/main.yml
new file mode 100644
index 0000000..4942957
--- /dev/null
+++ b/src/roles/common/handlers/main.yml
@@ -0,0 +1,24 @@
+- name: Reboot
+  ansible.builtin.reboot:
+  args:
+    # On my trusty old Raspberry Pi 1 Model B+, /proc/sys/kernel/random/boot_id
+    # can sometimes stay the same between reboots. Apparently, not enough
+    # entropy or something.
+    boot_time_command: uptime -s
+    # Another option is `who -s`. This option requires Ansible 2.10 or later.
+
+    # 5 minutes is plenty.
+    reboot_timeout: 300
+  # Don't reboot yourself accidentally:
+  when: 'ansible_env["SSH_CLIENT"].split()[0] not in ansible_all_ipv4_addresses'
+  become: true
+  listen: reboot
+
+- name: Wait for connectivity
+  # One of the nodes is the VPN server connecting all the other nodes, wait
+  # until all of them are back up:
+  ansible.builtin.wait_for_connection:
+  args:
+    # 5 minutes is plenty.
+    timeout: 300
+  listen: reboot
diff --git a/src/roles/common/tasks/main.yml b/src/roles/common/tasks/main.yml
new file mode 100644
index 0000000..fb0eaed
--- /dev/null
+++ b/src/roles/common/tasks/main.yml
@@ -0,0 +1,17 @@
+- name: Check available tools
+  ansible.builtin.include_tasks: tool.yml
+  loop:
+    - apt
+    - docker
+    - flatpak
+    - pacman
+    - rate-mirrors
+    - snap
+    - vagrant
+    - yay
+
+- name: Check if /etc is versioned
+  become: true
+  ansible.builtin.stat:
+    path: /etc/.git/config
+  register: etc_versioned
diff --git a/src/roles/common/tasks/tool.yml b/src/roles/common/tasks/tool.yml
new file mode 100644
index 0000000..48d0acc
--- /dev/null
+++ b/src/roles/common/tasks/tool.yml
@@ -0,0 +1,8 @@
+- name: "Check for {{ item }}"
+  ansible.builtin.command: "{{ item }} --version"
+  register: cmd_result
+  changed_when: false
+  failed_when: false
+
+- name: "Set fact about {{ item }}"
+  ansible.builtin.set_fact: "has_{{ item | replace('-', '_') }}={{ cmd_result.rc == 0 }}"