Files
mgmt/modules/misc/main.mcl
2024-11-08 14:12:02 -05:00

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import "golang"
import "net"
import "os"
# ssh_keygen creates an ssh key pair in the user's home directory if the private
# key doesn't exist.
# TODO: add more parameters such as key size and type in the future
class ssh_keygen($user) {
panic($user == "") # panic if $user is empty
$p = os.expand_home("~${user}/") # eg: ~james/
exec "ssh-keygen-${user}" {
cmd => "/usr/bin/ssh-keygen",
args => [
"-t", "rsa", # type
"-f", "${p}.ssh/id_rsa", # private key file
"-N", "", # empty password
],
creates => "${p}.ssh/id_rsa",
user => $user,
Before => File["${p}.ssh/id_rsa"],
}
# This also serves as a "handle" so that other resources can depend on
# this file getting created before they run.
file "${p}.ssh/" {
state => "exists",
mode => "u=rwx,go=",
owner => $user,
}
file "${p}.ssh/id_rsa" {
mode => "u=rw,go=",
owner => $user,
}
}
# network_rename takes the device with the $mac address and renames it to $dev.
class network_rename($mac, $dev) {
#panic(not net.is_mac("${mac}"))
file "/etc/systemd/network/70-rename-${dev}.link" {
state => "exists",
content => "
# Pick the device name based on the mac address.
[Match]
MACAddress=${mac}
[Link]
Name=${dev}
",
mode => "u=rw,go=r",
owner => "root",
group => "root",
Notify => Exec["udevadm trigger"],
}
# TODO: we only want to run this once, but it's harmless for now
exec "udevadm trigger" {
cmd => "/usr/sbin/udevadm trigger --type=all --action=add --prioritized-subsystem=net --settle",
}
}
# network_manager_static sets up a static ip address with network manager.
# NOTE: To see what it's using run: `nmcli -f name,uuid,filename connection`.
class network_manager_static($st) {
$uuid = $st->uuid || "" # 01234567-89ab-cdef-0123-456789abcdef
$mac = $st->mac || ""
$dev = $st->dev || "eth0"
$cidr = $st->cidr # cidr
$ip = net.cidr_to_ip($cidr)
$prefix = net.cidr_to_prefix($cidr)
$router = $st->router || ""
$dns = $st->dns || "8.8.8.8"
$tmpl =
"
[connection]
id=${dev}
{{ if .uuid -}}
uuid=${uuid}
{{ end -}}
type=ethernet
interface-name=${dev}
autoconnect=true
[ipv4]
{{ if .router -}}
address1=${ip}/${prefix},${router}
{{ else -}}
address1=${ip}/${prefix}
{{ end -}}
dns=${dns};
dns-search=
may-fail=false
method=manual
[ethernet]
{{ if .mac -}}
mac-address=${mac}
{{ end -}}
"
$args = struct{
uuid => $uuid,
}
file "/etc/NetworkManager/system-connections/${dev}.nmconnection" {
state => "exists",
content => golang.template($tmpl, $args),
mode => "u=rw,go=",
owner => "root",
Notify => Svc["NetworkManager"],
}
svc "NetworkManager" {
}
}