From 90228f880669e8186a8a09ce9d29427995a54b1a Mon Sep 17 00:00:00 2001
From: Someone <someone@somenet.org>
Date: Fri, 4 Oct 2024 13:42:36 +0200
Subject: [PATCH] [roles/server/dhcpd] install dhcpd

---
 roles/server/dhcpd/defaults/main.yml        | 10 +++++
 roles/server/dhcpd/files/default/dhcpd.conf | 22 +++++++++++
 roles/server/dhcpd/handlers/main.yml        | 13 +++++++
 roles/server/dhcpd/tasks/main.yml           | 43 +++++++++++++++++++++
 4 files changed, 88 insertions(+)
 create mode 100644 roles/server/dhcpd/defaults/main.yml
 create mode 100644 roles/server/dhcpd/files/default/dhcpd.conf
 create mode 100644 roles/server/dhcpd/handlers/main.yml
 create mode 100644 roles/server/dhcpd/tasks/main.yml

diff --git a/roles/server/dhcpd/defaults/main.yml b/roles/server/dhcpd/defaults/main.yml
new file mode 100644
index 0000000..7eb5a14
--- /dev/null
+++ b/roles/server/dhcpd/defaults/main.yml
@@ -0,0 +1,10 @@
+#####################################
+### someone's ansible provisioner ###
+#####################################
+# Part of: https://git.somenet.org/root/pub/somesible.git
+# 2017-2024 by someone <someone@somenet.org>
+#
+# If not overridden in inventory or as a parameter, this is the value that will be used
+#
+---
+dhcpd_interfaces: "eth0"
diff --git a/roles/server/dhcpd/files/default/dhcpd.conf b/roles/server/dhcpd/files/default/dhcpd.conf
new file mode 100644
index 0000000..a564455
--- /dev/null
+++ b/roles/server/dhcpd/files/default/dhcpd.conf
@@ -0,0 +1,22 @@
+#
+################################################
+### Managed by someone's ansible provisioner ###
+################################################
+# Part of: https://git.somenet.org/root/pub/somesible.git
+# 2017-2024 by someone <someone@somenet.org>
+#
+# dhcpd minimalistic config. Assuming Server's IPv4: 172.20.0.254
+#
+
+authoritative;
+log-facility local7;
+default-lease-time 18000;
+max-lease-time 21600;
+ddns-update-style none;
+
+subnet 172.20.0.0 netmask 255.255.0.0 {
+  range 172.20.1.1 172.20.1.254;
+  option routers 172.20.0.254;
+  option domain-name-servers 172.20.0.22;
+  option ntp-servers 172.20.0.254;
+}
diff --git a/roles/server/dhcpd/handlers/main.yml b/roles/server/dhcpd/handlers/main.yml
new file mode 100644
index 0000000..0f3b2c9
--- /dev/null
+++ b/roles/server/dhcpd/handlers/main.yml
@@ -0,0 +1,13 @@
+#####################################
+### someone's ansible provisioner ###
+#####################################
+# Part of: https://git.somenet.org/root/pub/somesible.git
+# 2017-2024 by someone <someone@somenet.org>
+#
+---
+- name: restart isc-dhcp-server.service
+  systemd:
+    name: isc-dhcp-server.service
+    daemon_reload: yes
+    state: restarted
+  ignore_errors: yes
diff --git a/roles/server/dhcpd/tasks/main.yml b/roles/server/dhcpd/tasks/main.yml
new file mode 100644
index 0000000..fbd197b
--- /dev/null
+++ b/roles/server/dhcpd/tasks/main.yml
@@ -0,0 +1,43 @@
+#####################################
+### someone's ansible provisioner ###
+#####################################
+# Part of: https://git.somenet.org/root/pub/somesible.git
+# 2017-2024 by someone <someone@somenet.org>
+#
+---
+- name: install dhcp-server
+  apt:
+    pkg:
+    - isc-dhcp-server
+    state: present
+    policy_rc_d: 101
+  tags: "online"
+  ignore_errors: "{{ignore_online_errors | bool}}"
+
+
+- name: set interfaces to serve
+  lineinfile:
+    name: /etc/default/isc-dhcp-server
+    regexp: '^INTERFACESv4='
+    line: 'INTERFACESv4="{{dhcpd_interfaces}}"'
+
+
+- name: copy dhcpd.conf
+  copy:
+    src: "{{item}}"
+    dest: "/etc/dhcp/dhcpd.conf"
+    mode: 0640
+    owner: "root"
+    group: "root"
+  with_first_found:
+    - "{{lookup('env','PWD')}}/host_files/{{inventory_hostname}}/{{role_name}}/dhcpd.conf"
+    - "{{lookup('env','PWD')}}/group_files/{{group_files_group}}/{{role_name}}/dhcpd.conf"
+    - "{{lookup('env','PWD')}}/group_files/all/{{role_name}}/dhcpd.conf"
+    - "default/dhcpd.conf"
+  notify: restart isc-dhcp-server.service
+
+
+- name: enable and start isc-dhcp-server.service
+  include_role: name="base/systemd/enable-and-start"
+  vars:
+    service_name: isc-dhcp-server.service
-- 
2.43.0