changeset 37:fbd0849dfdbd

redo networking to be much simpler. Uses systemd-networkd
author drewp@bigasterisk.com
date Sat, 15 Jan 2022 17:10:10 -0800
parents dc2100504c45
children 4026b6b8028f
files net.py packages.py system.py templates/bang_interfaces.j2 templates/house.network.j2 templates/net/bang_10.1.network.j2 templates/net/bang_10.2.network.j2 templates/net/bang_isp.network.j2 templates/net/prime.network.j2 templates/net/singlenic.network.j2 templates/netplan.yaml.j2 templates/netplan_new.yaml.j2
diffstat 12 files changed, 100 insertions(+), 159 deletions(-) [+]
line wrap: on
line diff
--- a/net.py	Sat Jan 15 15:42:02 2022 -0800
+++ b/net.py	Sat Jan 15 17:10:10 2022 -0800
@@ -2,8 +2,6 @@
 from pyinfra.operations import apt, files, server, systemd
 
 is_wifi = host.name in ['frontdoor', 'living', 'plus']
-prime_public_addr = '162.243.138.136'
-prime_gateway = '162.243.138.1'
 
 
 def cleanup():
@@ -25,67 +23,54 @@
 
     apt.packages(packages=['network-manager'], present=False)
 
+    # On bang:
+    #   Now using a HW router for this firewall. No incoming connections.
+    #   test connections from the outside:
+    #   http://www.t1shopper.com/tools/port-scanner/
+    # On prime:
+    #   using digitalocean network config:
+    #   https://cloud.digitalocean.com/networking/firewalls/f68899ae-1aac-4469-b379-59ce2bbc988f/droplets?i=7c5072
+    apt.packages(packages=['ufw'], present=False)
 
-if host.name in [
-        'garage',
-        'dash',
-        'slash',
-        'frontbed',
-        'prime',
-]:
+
+if host.name == 'prime':
     cleanup()
 
-    addr = host.host_data['addr']
-    if addr.startswith('10.'):
-        net = addr[:4]
-        gateway = net + '.0.1'
-        dns = gateway
-    elif addr == prime_public_addr:
-        gateway = prime_gateway
-        dns = '10.5.0.1 8.8.8.8 8.8.4.4'
-    else:
-        raise ValueError(addr)
+    files.directory('/etc/systemd/network')
+    files.template(
+        src="templates/net/prime.network.j2",
+        dest="/etc/systemd/network/99-prime.network",
+        mac=host.host_data['mac'],
+    )
+
+elif host.name == 'bang':
+    cleanup()
+
+    files.directory('/etc/systemd/network')
+    files.template(src="templates/net/bang_10.1.network.j2", dest="/etc/systemd/network/99-10.1.network")
+    files.template(src="templates/net/bang_10.2.network.j2", dest="/etc/systemd/network/99-10.2.network")
+    files.template(src="templates/net/bang_isp.network.j2", dest="/etc/systemd/network/99-isp.network")
+    systemd.service(service='systemd-networkd.service', running=True, restarted=True)
+
+elif host.name == 'plus':
+    pass
+
+else:
+    cleanup()
 
     if is_wifi:
         files.put(src="secrets/wpa_supplicant.conf", dest="/etc/wpa_supplicant/wpa_supplicant.conf")
 
-    files.template(src="templates/house.network.j2",
-                   dest="/etc/systemd/network/99-house.network",
+    addr = host.host_data['addr']
+    net = addr[:4]
+    gateway = net + '.0.1'
+    dns = gateway
+
+    files.template(src="templates/net/singlenic.network.j2",
+                   dest="/etc/systemd/network/99-bigasterisk.network",
                    create_remote_dir=True,
                    mac=host.host_data['mac'],
                    addr=addr,
                    gateway=gateway,
                    dns=dns)
     systemd.service(service='systemd-networkd.service', running=True, restarted=True)
-
-    # ns = '10.2.0.1'
-    # if host.name == 'prime':
-    #     ns = '8.8.8.8'
-    # elif host.name in ['slash']:
-    #     ns = '10.1.0.1'
-    # files.template(src='templates/resolv.conf.j2', dest='/etc/resolv.conf', ns=ns)
-
-if host.name == 'plus':
-    apt.packages(packages=['network-manager'], present=True)
-
-if host.name == 'bang':
-    files.template(src='templates/bang_interfaces.j2', dest='/etc/network/interfaces', user='root', group='root', mode='644')
-
-    # Now using a HW router for this firewall. No incoming connections.
-    # test connections from the outside:
-    # http://www.t1shopper.com/tools/port-scanner/
-    apt.packages(packages=['ufw'], present=False)
-
-if host.name == 'prime':
-    # using digitalocean network config:
-    # https://cloud.digitalocean.com/networking/firewalls/f68899ae-1aac-4469-b379-59ce2bbc988f/droplets?i=7c5072
-    apt.packages(packages=['ufw'], present=False)
-
-    files.line(name='shorter systemctl log window, for disk space',
-               path='/etc/systemd/journald.conf',
-               line='MaxFileSec',
-               replace="MaxFileSec=7day")
-
-    for port in [80, 443]:
-        files.template(src="templates/webforward.service.j2", dest=f"/etc/systemd/system/web_forward_{port}.service", port=port)
-        systemd.service(service=f'web_forward_{port}', enabled=True, restarted=True)
--- a/packages.py	Sat Jan 15 15:42:02 2022 -0800
+++ b/packages.py	Sat Jan 15 17:10:10 2022 -0800
@@ -75,3 +75,6 @@
         'zfs-zed',
         'zfs-auto-snapshot',
     ])
+
+if host.name == 'plus':
+    apt.packages(packages=['network-manager'])
\ No newline at end of file
--- a/system.py	Sat Jan 15 15:42:02 2022 -0800
+++ b/system.py	Sat Jan 15 17:10:10 2022 -0800
@@ -65,3 +65,13 @@
 
     apt.packages(packages=['nfs-kernel-server'])
     files.template(src='templates/bang_exports.j2', dest='/etc/exports')
+
+if host.name == 'prime':
+    files.line(name='shorter systemctl log window, for disk space',
+               path='/etc/systemd/journald.conf',
+               line='MaxFileSec',
+               replace="MaxFileSec=7day")
+
+    for port in [80, 443]:
+        files.template(src="templates/webforward.service.j2", dest=f"/etc/systemd/system/web_forward_{port}.service", port=port)
+        systemd.service(service=f'web_forward_{port}', enabled=True, restarted=True)
--- a/templates/bang_interfaces.j2	Sat Jan 15 15:42:02 2022 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,34 +0,0 @@
-# written by pyinfra
-
-# For more information, see interfaces(5).
-
-# see /etc/udev/rules.d/70-persistent-net.rules for assignments
-
-# boot will stall for these to be up
-auto lo
-
-# to comcast router, who would also serve dhcp but that was hanging on boot
-allow-hotplug ens4 ens5 enp1s0
-
-iface lo inet loopback
-
-# 60:e3:27:04:4a:85
-iface ens5 inet static
-        address 10.2.0.1
-        netmask 255.255.255.0
-	broadcast 10.2.0.255
-
-
-#  e8:39:35:46:0d:bb
-iface enp1s0 inet static
-	address 10.1.0.1
-        netmask 255.255.255.0
-	broadcast 10.1.0.255
-
-
-# ...:81:9e
-iface ens4 inet dhcp
-  # house nat: (see /etc/ufw/after.rules)
-  post-up iptables -A POSTROUTING --table nat --out-interface ens4 --jump MASQUERADE
-  # fix bang to use itself as its dns. Not sure when this command needs to run.
-  post-up ln -sf /run/systemd/resolve/resolv.conf /etc/resolv.conf
--- a/templates/house.network.j2	Sat Jan 15 15:42:02 2022 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,8 +0,0 @@
-[Match]
-MACAddress={{ mac }}
-
-[Network]
-Address={{ addr }}/16
-Gateway={{ gateway }}
-DNS={{ dns }}
-Domains=bigasterisk.com
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/templates/net/bang_10.1.network.j2	Sat Jan 15 17:10:10 2022 -0800
@@ -0,0 +1,9 @@
+# written by pyinfra
+
+[Match]
+MACAddress=e8:39:35:46:0d:bb
+
+[Network]
+Address=10.1.0.1
+DNS=10.2.0.1
+Domains=bigasterisk.com
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/templates/net/bang_10.2.network.j2	Sat Jan 15 17:10:10 2022 -0800
@@ -0,0 +1,9 @@
+# written by pyinfra
+
+[Match]
+MACAddress=60:e3:27:04:4a:85
+
+[Network]
+Address=10.2.0.1/16
+DNS=10.2.0.1
+Domains=bigasterisk.com
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/templates/net/bang_isp.network.j2	Sat Jan 15 17:10:10 2022 -0800
@@ -0,0 +1,11 @@
+# written by pyinfra
+
+[Match]
+MACAddress=64:ee:b7:14:81:9e
+
+[Network]
+# DHCP=yes
+Address=192.168.42.2/24
+Gateway=192.168.42.1
+DNS=10.2.0.1
+Domains=bigasterisk.com
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/templates/net/prime.network.j2	Sat Jan 15 17:10:10 2022 -0800
@@ -0,0 +1,10 @@
+# written by pyinfra
+
+[Match]
+MACAddress={{ mac }}
+
+[Network]
+Address=162.243.138.136/24
+Gateway=162.243.138.1
+DNS=10.5.0.1 8.8.8.8 8.8.4.4
+Domains=bigasterisk.com
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/templates/net/singlenic.network.j2	Sat Jan 15 17:10:10 2022 -0800
@@ -0,0 +1,10 @@
+# written by pyinfra
+
+[Match]
+MACAddress={{ mac }}
+
+[Network]
+Address={{ addr }}/16
+Gateway={{ gateway }}
+DNS={{ dns }}
+Domains=bigasterisk.com
--- a/templates/netplan.yaml.j2	Sat Jan 15 15:42:02 2022 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,28 +0,0 @@
-# written by pyinfra
-
-network:
-  version: 2
-  ethernets:
-    {{ipv4Interface}}:
-{% if host.name in ['prime'] %}
-      link-local: [ ipv4 ]
-      addresses: ['{{ipv4Address}}/32']
-      routes:
-      - to: 0.0.0.0/0
-        via: 162.243.138.1
-      nameservers:
-        search: ['bigasterisk.com']
-        addresses: 
-        - 10.5.0.1
-        - 8.8.4.4
-        - 8.8.8.8
-{% else %}
-      dhcp4: true
-#      routes:
-#      - to: 0.0.0.0/0
-#        via: {{ipv4Address.rsplit('.', 1)[0]}}.1
-#      nameservers:
-#        search: ['bigasterisk.com']
-#        addresses: 
-#        - 10.2.0.1
-{% endif %}
--- a/templates/netplan_new.yaml.j2	Sat Jan 15 15:42:02 2022 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,36 +0,0 @@
-# written by pyinfra
-
-network:
-  version: 2
-{% if host.name == 'garage' %}
-  ethernets:
-    match:
-      macaddress: b8:27:eb:81:17:92
-      link-local: [ ipv4 ]
-      addresses: ['10.2.0.14/32']
-      routes:
-      - to: 0.0.0.0/0
-        via: 10.2.0.1
-      nameservers:
-        search: ['bigasterisk.com']
-        addresses: 
-        - 10.2.0.1
-    wifi:
-      link-local: []
-{% endif %}
-
-
-{% if host.name == 'dash' %}
-  ethernets:
-    match:
-      macaddress: b8:97:5a:17:d7:1f
-      link-local: [ ipv4 ]
-      addresses: ['10.1.0.5/32']
-      routes:
-      - to: default
-        via: 10.1.0.1
-      nameservers:
-        search: ['bigasterisk.com']
-        addresses: 
-        - 10.1.0.1
-{% endif %}
\ No newline at end of file