From 6ed2bd7dd06e4e9f648cec524e2b7cb5d5d6ca86 Mon Sep 17 00:00:00 2001
From: Jean-Marie Mineau <jean-marie.mineau@protonmail.com>
Date: Thu, 8 Jul 2021 02:13:11 +0200
Subject: [PATCH] network config for raspy

---
 host_vars/rossum/networking.yml               |  3 +-
 roles/networking/handlers/main.yml            |  5 ++
 roles/networking/tasks/main.yml               | 10 ++++
 .../templates/raspbian_dhcpcd.conf.j2         | 56 +++++++++++++++++++
 4 files changed, 72 insertions(+), 2 deletions(-)
 create mode 100644 roles/networking/templates/raspbian_dhcpcd.conf.j2

diff --git a/host_vars/rossum/networking.yml b/host_vars/rossum/networking.yml
index 4618905..0aa717a 100644
--- a/host_vars/rossum/networking.yml
+++ b/host_vars/rossum/networking.yml
@@ -4,8 +4,7 @@ interfaces:
     ipv4: 192.168.0.50
     netmaskv4: 24
     type: static
-    routes:
-      - {subnet: 0.0.0.0, netmask: 0, gateway: 10.0.2.1}
+    gateway: 10.0.2.1
   wg0:
     ipv4: "{{ intranet.subnets.physical.subnets.rossum.ipv4 }}"
     netmaskv4: "{{ intranet.netmaskv4 }}"
diff --git a/roles/networking/handlers/main.yml b/roles/networking/handlers/main.yml
index 2bf721b..a38fd58 100644
--- a/roles/networking/handlers/main.yml
+++ b/roles/networking/handlers/main.yml
@@ -2,3 +2,8 @@
 - name: Reload network interfaces debian
   become: true
   command: /sbin/ifreload -a
+
+- name: Restart dhcpcd raspbian
+  systemd:
+    name: dhcpcd
+    state: restarted
diff --git a/roles/networking/tasks/main.yml b/roles/networking/tasks/main.yml
index 1ca7eb2..0b7668a 100644
--- a/roles/networking/tasks/main.yml
+++ b/roles/networking/tasks/main.yml
@@ -48,3 +48,13 @@
   notify: Reload network interfaces debian
   when: ansible_facts["lsb"]["id"] == "Debian"
 
+- name: Create dhcpcd config files
+  ansible.builtin.template:
+    src: "raspbian_dhcpcd.conf.j2"
+    dest: "/etc/dhcpcd.conf"
+    owner: root
+    group: netdev
+    mode: '664'
+  notify: Restart dhcpcd raspbian
+  when: ansible_facts["lsb"]["id"] == "Raspbian"
+
diff --git a/roles/networking/templates/raspbian_dhcpcd.conf.j2 b/roles/networking/templates/raspbian_dhcpcd.conf.j2
new file mode 100644
index 0000000..226e804
--- /dev/null
+++ b/roles/networking/templates/raspbian_dhcpcd.conf.j2
@@ -0,0 +1,56 @@
+{{ ansible_managed | comment }}
+
+# A sample configuration for dhcpcd.
+# See dhcpcd.conf(5) for details.
+
+# Allow users of this group to interact with dhcpcd via the control socket.
+#controlgroup wheel
+
+# Inform the DHCP server of our hostname for DDNS.
+hostname
+
+# Use the hardware address of the interface for the Client ID.
+clientid
+# or
+# Use the same DUID + IAID as set in DHCPv6 for DHCPv4 ClientID as per RFC4361.
+# Some non-RFC compliant DHCP servers do not reply with this set.
+# In this case, comment out duid and enable clientid above.
+#duid
+
+# Persist interface configuration when dhcpcd exits.
+persistent
+
+# Rapid commit support.
+# Safe to enable by default because it requires the equivalent option set
+# on the server to actually work.
+option rapid_commit
+
+# A list of options to request from the DHCP server.
+option domain_name_servers, domain_name, domain_search, host_name
+option classless_static_routes
+# Respect the network MTU. This is applied to DHCP routes.
+option interface_mtu
+
+# Most distributions have NTP support.
+#option ntp_servers
+
+# A ServerID is required by RFC2131.
+require dhcp_server_identifier
+
+# Generate SLAAC address using the Hardware Address of the interface
+#slaac hwaddr
+# OR generate Stable Private IPv6 Addresses based from the DUID
+slaac private
+
+{% for item in lookup('dict', interfaces) %}
+{% if item.value.type == 'static' %}
+interface {{ item.key }}
+{% if 'ipv4' in item.value %}
+static ip_address={{ item.value.ipv4 }}/{{ item.value.netmaskv4 }}
+{% endif %}
+{% if 'gateway' in item.value %}
+static routers={{ item.value.gateway }}
+{% endif %}
+
+{% endif %}
+{% endfor %}