From b26b8e0a686c6fbd9a777120537def1015a074fa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20H=C3=B6rnquist?= <hugo@lysator.liu.se>
Date: Sat, 1 Jan 2022 23:00:13 +0100
Subject: Setup nspawn?

---
 manifests/machine.pp   | 40 +++++++++++++++++++++++++++++++++
 manifests/os/arch.pp   | 58 +++++++++++++++++++++++++++++++++++++++++++++++
 manifests/os/debian.pp | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++
 manifests/setup.pp     | 14 ++++++++++++
 4 files changed, 173 insertions(+)
 create mode 100644 manifests/machine.pp
 create mode 100644 manifests/os/arch.pp
 create mode 100644 manifests/os/debian.pp
 create mode 100644 manifests/setup.pp

diff --git a/manifests/machine.pp b/manifests/machine.pp
new file mode 100644
index 0000000..b308b74
--- /dev/null
+++ b/manifests/machine.pp
@@ -0,0 +1,40 @@
+define nspawn::machine (
+  String $os,
+  String $os_version,
+  String $machine = $name,
+  Boolean $enable = false,
+) {
+
+  require ::nspawn::setup
+
+  file { "/etc/systemd/nspawn/${machine}.nspawn":
+    content => @("EOF")
+    [Exec]
+    Hostname=${machine}.adrift.space
+    Boot=true
+    # /usr/lib/systemd/resolv.conf
+    ResolvConf=copy-static
+
+    [Network]
+    Bridge=br0
+    | EOF
+  }
+
+  case $os {
+    'debian': {
+      nspawn::os::debian { $machine:
+        os_version => $os_version,
+      }
+    }
+    'arch': {
+      nspawn::os::arch { $machine:
+      }
+    }
+    # TODO default fail
+  }
+
+  service { "systemd-nspawn@${machine}.service":
+    enable => true,
+  }
+
+}
diff --git a/manifests/os/arch.pp b/manifests/os/arch.pp
new file mode 100644
index 0000000..4f83546
--- /dev/null
+++ b/manifests/os/arch.pp
@@ -0,0 +1,58 @@
+define nspawn::os::arch (
+  String $machine = $name,
+) {
+
+  ensure_packages(['arch-install-scripts'])
+
+  exec { "/usr/bin/pacstrap /var/lib/machines/${machine} base puppet":
+    creates => "/var/lib/machines/${machine}/etc/os-release",
+  }
+
+  file { "/var/lib/machines/${machine}/etc/systemd/network.d/20-puppet.conf":
+    content => @(EOF)
+    [Match]
+    Name=host0
+
+    [Network]
+    Address=10.0.0.43/23
+    Gateway=10.0.0.1
+    IPv6AcceptRA=1
+    | EOF
+  }
+
+  $symlinks = [
+    [ '/etc/systemd/system/dbus-org.freedesktop.network1.service', 
+      '/usr/lib/systemd/system/systemd-networkd.service' ],
+    [ '/etc/systemd/system/multi-user.target.wants/systemd-networkd.service',
+      '/usr/lib/systemd/system/systemd-networkd.service' ],
+    [ '/etc/systemd/system/sockets.target.wants/systemd-networkd.socket', 
+      '/usr/lib/systemd/system/systemd-networkd.socket' ],
+    [ '/etc/systemd/system/sysinit.target.wants/systemd-network-generator.service', 
+      '/usr/lib/systemd/system/systemd-network-generator.service' ],
+    [ '/etc/systemd/system/network-online.target.wants/systemd-networkd-wait-online.service', 
+      '/usr/lib/systemd/system/systemd-networkd-wait-online.service' ],
+  ]
+
+  $symlinks.each |$pair| {
+    $where = $pair[0]
+    $target = $pair[1]
+    file { "/var/lib/machines/${machine}/${where}":
+      ensure => link,
+      target => $target,
+    }
+  }
+
+
+  file { "/var/lib/machines/${machine}/etc/systemd/network.d/20-puppet.conf":
+    content => @(EOF)
+    [Match]
+    Name=host0
+
+    [Network]
+    Address=10.0.0.43/23
+    Gateway=10.0.0.1
+    IPv6AcceptRA=1
+    | EOF
+  }
+
+}
diff --git a/manifests/os/debian.pp b/manifests/os/debian.pp
new file mode 100644
index 0000000..c821ba6
--- /dev/null
+++ b/manifests/os/debian.pp
@@ -0,0 +1,61 @@
+define nspawn::os::debian (
+  String $os_version,
+  String $machine = $name,
+) {
+  ensure_packages(['debootstrap'])
+
+  exec { "/usr/bin/deboostrap ${os_version} /var/lib/machines/${machine}":
+    creates => "/var/lib/machines/${machine}/etc/os-release",
+  }
+
+  file { "/var/lib/machines/${machine}/etc/network/interfaces":
+    ensure  => file,
+    content => @(EOF)
+    # File managed by puppet
+    # See interfaces(5)
+    source-directory /etc/network/interfaces.d
+    | EOF
+  }
+
+  file { "/var/lib/machines/${machine}/etc/network/interfaces.d":
+    ensure  => directory,
+  }
+
+  file { "/var/lib/machines/${machine}/etc/network/interfaces.d/puppet":
+    ensure  => file,
+    content => @(EOF)
+    # File managed by puppet
+    auto host0
+    # allow-hotplug host0
+
+    iface host0 inet static
+    address 10.0.0.42/23
+    gateway 10.0.0.1
+
+    iface host0 inet6 auto
+    private 0
+    | EOF
+  }
+
+  file { "/var/lib/machines/${machine}/tmp/puppet7-release/${os_version}.deb":
+    ensure => file,
+    source => "https://apt.puppet.com/puppet7-release-${os_version}.deb"
+  }
+  ~> exec { "Set up puppet repo for ${machine}":
+    command => [ '/usr/bin/systemd-nspawn',
+    '-M', $machine,
+    '--quiet', 
+    '/bin/sh', '-c', 
+    "dpkg -i '/tmp/puppet7-release-${os_version}.deb' && apt update"
+    ],
+  }
+
+  exec { "install puppet-agent on ${machine}":
+    command => [ '/usr/bin/systemd-nspawn',
+    '-M', $machine,
+    '--quiet', 
+    'apt', 'install', 'puppet-agent',
+    ],
+    creates => "/var/lib/machines/${machine}/opt/puppetlabs/bin/puppet",
+  }
+}
diff --git a/manifests/setup.pp b/manifests/setup.pp
new file mode 100644
index 0000000..ffd90ee
--- /dev/null
+++ b/manifests/setup.pp
@@ -0,0 +1,14 @@
+class nspawn::setup {
+
+  file { '/usr/lib/systemd/resolv.conf':
+    ensure => file,
+    content => @(EOF)
+      # File /usr/lib/systemd/resolv.conf managed by puppet
+      # Local changes will be overwritten
+      nameserver 10.0.0.40
+      search adrift.space
+      | EOF
+  }
+
+
+}
-- 
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