move vm roles to subdir

18 files changed, 758 insertions, 0 deletions

diff --git a/roles/vm/grub/handlers/main.yml b/roles/vm/grub/handlers/main.yml
new file mode 100644
index 00000000..4bddbb14
--- /dev/null
+++ b/roles/vm/grub/handlers/main.yml
@@ -0,0 +1,3 @@
+---
+- name: update grub
+  command: /usr/sbin/update-grub
diff --git a/roles/vm/grub/tasks/main.yml b/roles/vm/grub/tasks/main.yml
new file mode 100644
index 00000000..bd48a470
--- /dev/null
+++ b/roles/vm/grub/tasks/main.yml
@@ -0,0 +1,12 @@
+---
+- name: enable serial console in grub and for kernel
+  lineinfile:
+    dest: /etc/default/grub
+    regexp: "{{ item.regexp }}"
+    line: "{{ item.line }}"
+  with_items:
+  - { regexp: '^GRUB_TIMEOUT=', line: 'GRUB_TIMEOUT=2' }
+  - { regexp: '^GRUB_CMDLINE_LINUX=', line: 'GRUB_CMDLINE_LINUX="console=ttyS0,115200n8"' }
+  - { regexp: '^GRUB_TERMINAL=', line: 'GRUB_TERMINAL=serial' }
+  - { regexp: '^GRUB_SERIAL_COMMAND=', line: 'GRUB_SERIAL_COMMAND="serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1"' }
+  notify: update grub
diff --git a/roles/vm/host/defaults/main.yml b/roles/vm/host/defaults/main.yml
new file mode 100644
index 00000000..0e3cddf1
--- /dev/null
+++ b/roles/vm/host/defaults/main.yml
@@ -0,0 +1,7 @@
+---
+vm_host_force_download_installer: False
+vm_host_installer_url:
+  # debian: "{{ debian_mirror.packages | default('http://deb.debian.org/debian') }}"
+  # ubuntu: "{{ ubuntu_mirror | default('http://archive.ubuntu.com/ubuntu') }}"
+  debian: "http://deb.debian.org/debian"
+  ubuntu: "http://archive.ubuntu.com/ubuntu"
diff --git a/roles/vm/host/handlers/main.yml b/roles/vm/host/handlers/main.yml
new file mode 100644
index 00000000..158f4dcd
--- /dev/null
+++ b/roles/vm/host/handlers/main.yml
@@ -0,0 +1,5 @@
+---
+- name: restart inetd
+  service:
+    name: openbsd-inetd
+    state: restarted
diff --git a/roles/vm/host/tasks/main.yml b/roles/vm/host/tasks/main.yml
new file mode 100644
index 00000000..a5e98fa9
--- /dev/null
+++ b/roles/vm/host/tasks/main.yml
@@ -0,0 +1,54 @@
+---
+- name: install tftpd and python-libvirt
+  with_items:
+  - atftpd
+  - openbsd-inetd
+  - qemu-kvm
+  - libvirt-bin
+  - python-libvirt
+  apt:
+    name: "{{ item }}"
+    state: present
+
+- name: configure tftpd via inetd
+  lineinfile:
+    regexp: "^#?({{ vm_host.network.ip }}:)?tftp"
+    line: "{{ vm_host.network.ip }}:tftp		dgram	udp4	wait	nobody /usr/sbin/tcpd /usr/sbin/in.tftpd --tftpd-timeout 300 --retry-timeout 5 --maxthread 10 --verbose=5 {{ vm_host.installer.preseed_path }}"
+    path: /etc/inetd.conf
+  notify: restart inetd
+
+- name: make sure installer directories exists
+  with_items:
+  - "{{ vm_host.installer.path }}"
+  - "{{ vm_host.installer.preseed_path }}"
+  file:
+    name: "{{ item }}"
+    state: directory
+
+- name: prepare directories for installer images
+  with_subelements:
+  - "{{ vm_host.installer.distros }}"
+  - arch
+  file:
+    name: "{{ vm_host.installer.path }}/{{ item.0.distro }}-{{ item.0.codename }}/{{ item.1 }}"
+    state: directory
+
+- name: download installer kernel images
+  with_subelements:
+  - "{{ vm_host.installer.distros }}"
+  - arch
+  get_url:
+    url: "{{ vm_host_installer_url[item.0.distro] }}/dists/{{ item.0.codename }}/main/installer-{{ item.1 }}/current/images/netboot/{{ item.0.distro }}-installer/{{ item.1 }}/linux"
+    dest: "{{ vm_host.installer.path }}/{{ item.0.distro }}-{{ item.0.codename }}/{{ item.1 }}/linux"
+    mode: 0644
+    force: "{{ vm_host_force_download_installer }}"
+
+- name: download installer initrd.gz
+  with_subelements:
+  - "{{ vm_host.installer.distros }}"
+  - arch
+  get_url:
+    url: "{{ vm_host_installer_url[item.0.distro] }}/dists/{{ item.0.codename }}/main/installer-{{ item.1 }}/current/images/netboot/{{ item.0.distro }}-installer/{{ item.1 }}/initrd.gz"
+    dest: "{{ vm_host.installer.path }}/{{ item.0.distro }}-{{ item.0.codename }}/{{ item.1 }}/initrd.gz"
+    mode: 0644
+    force: "{{ vm_host_force_download_installer }}"
diff --git a/roles/vm/install/library/wait_for_virt.py b/roles/vm/install/library/wait_for_virt.py
new file mode 100644
index 00000000..6c49fae1
--- /dev/null
+++ b/roles/vm/install/library/wait_for_virt.py
@@ -0,0 +1,179 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
+
+import traceback
+import time
+
+try:
+    import libvirt
+except ImportError:
+    HAS_VIRT = False
+else:
+    HAS_VIRT = True
+
+from ansible.module_utils.basic import AnsibleModule
+from ansible.module_utils._text import to_native
+
+
+VIRT_FAILED = 1
+VIRT_SUCCESS = 0
+VIRT_UNAVAILABLE = 2
+
+VIRT_STATE_NAME_MAP = {
+    0: "running",
+    1: "running",
+    2: "running",
+    3: "paused",
+    4: "shutdown",
+    5: "shutdown",
+    6: "crashed"
+}
+
+
+class VMNotFound(Exception):
+    pass
+
+
+class LibvirtConnection(object):
+
+    def __init__(self, uri, module):
+
+        self.module = module
+
+        cmd = "uname -r"
+        rc, stdout, stderr = self.module.run_command(cmd)
+
+        if "xen" in stdout:
+            conn = libvirt.open(None)
+        elif "esx" in uri:
+            auth = [[libvirt.VIR_CRED_AUTHNAME, libvirt.VIR_CRED_NOECHOPROMPT], [], None]
+            conn = libvirt.openAuth(uri, auth)
+        else:
+            conn = libvirt.open(uri)
+
+        if not conn:
+            raise Exception("hypervisor connection failure")
+
+        self.conn = conn
+
+    def find_vm(self, vmid):
+        """
+        Extra bonus feature: vmid = -1 returns a list of everything
+        """
+        conn = self.conn
+
+        vms = []
+
+        # this block of code borrowed from virt-manager:
+        # get working domain's name
+        ids = conn.listDomainsID()
+        for id in ids:
+            vm = conn.lookupByID(id)
+            vms.append(vm)
+        # get defined domain
+        names = conn.listDefinedDomains()
+        for name in names:
+            vm = conn.lookupByName(name)
+            vms.append(vm)
+
+        if vmid == -1:
+            return vms
+
+        for vm in vms:
+            if vm.name() == vmid:
+                return vm
+
+        raise VMNotFound("virtual machine %s not found" % vmid)
+
+    def get_status(self, vmid):
+        state = self.find_vm(vmid).info()[0]
+        return VIRT_STATE_NAME_MAP.get(state, "unknown")
+
+
+class Virt(object):
+
+    def __init__(self, uri, module):
+        self.module = module
+        self.uri = uri
+
+    def __get_conn(self):
+        self.conn = LibvirtConnection(self.uri, self.module)
+        return self.conn
+
+    def status(self, vmid):
+        """
+        Return a state suitable for server consumption.  Aka, codes.py values, not XM output.
+        """
+        self.__get_conn()
+        return self.conn.get_status(vmid)
+
+
+def core(module):
+
+    states = module.params.get('states', None)
+    guest = module.params.get('name', None)
+    uri = module.params.get('uri', None)
+    delay = module.params.get('delay', None)
+    sleep = module.params.get('sleep', None)
+    timeout = module.params.get('timeout', None)
+
+    v = Virt(uri, module)
+    res = {'changed': False, 'failed': True}
+
+    if delay > 0:
+        time.sleep(delay)
+
+    for _ in range(0, timeout, sleep):
+        state = v.status(guest)
+        if state in states:
+            res['state'] = state
+            res['failed'] = False
+            res['msg'] = "guest '%s' has reached state: %s" % (guest, state)
+            return VIRT_SUCCESS, res
+
+        time.sleep(sleep)
+
+    res['msg'] = "timeout waiting for guest '%s' to reach one of states: %s" % (guest, ', '.join(states))
+    return VIRT_FAILED, res
+
+
+def main():
+
+    module = AnsibleModule(argument_spec=dict(
+        name=dict(aliases=['guest'], required=True),
+        states=dict(type='list', required=True),
+        uri=dict(default='qemu:///system'),
+        delay=dict(type='int', default=0),
+        sleep=dict(type='int', default=1),
+        timeout=dict(type='int', default=300),
+    ))
+
+    if not HAS_VIRT:
+        module.fail_json(
+            msg='The `libvirt` module is not importable. Check the requirements.'
+        )
+
+    for state in module.params.get('states', None):
+        if state not in set(VIRT_STATE_NAME_MAP.values()):
+            module.fail_json(
+                msg="states contains invalid state '%s', must be one of %s" % (state, ', '.join(set(VIRT_STATE_NAME_MAP.values())))
+            )
+
+    rc = VIRT_SUCCESS
+    try:
+        rc, result = core(module)
+    except Exception as e:
+        module.fail_json(msg=to_native(e), exception=traceback.format_exc())
+
+    if rc != 0:  # something went wrong emit the msg
+        module.fail_json(rc=rc, msg=result)
+    else:
+        module.exit_json(**result)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/roles/vm/install/tasks/main.yml b/roles/vm/install/tasks/main.yml
new file mode 100644
index 00000000..22a6a351
--- /dev/null
+++ b/roles/vm/install/tasks/main.yml
@@ -0,0 +1,123 @@
+---
+- name: generate preseed file
+  template:
+    src: "preseed_{{ vmdistro }}-{{ vmdistcodename }}.cfg.j2"
+    dest: "{{ hostvars[vm_install.host].vm_host.installer.preseed_path }}/vm-{{ inventory_hostname }}-{{ vmdistro }}-{{ vmdistcodename }}.cfg"
+  delegate_to: "{{ vm_install.host }}"
+
+- name: create disks for vm
+  with_dict: "{{ vm_install.disks.virtio | default({}) | combine(vm_install.disks.scsi | default({})) }}"
+  lvol:
+    vg: "{{ item.value.vg }}"
+    lv: "{{ item.value.lv }}"
+    size: "{{ item.value.size }}"
+  delegate_to: "{{ vm_install.host }}"
+
+- name: check if vm already exists
+  virt:
+    name: "{{ inventory_hostname }}"
+    command: info
+  delegate_to: "{{ vm_install.host }}"
+  register: vmhost_info
+
+- name: destroy exisiting vm
+  virt:
+    name: "{{ inventory_hostname }}"
+    state: destroyed
+  delegate_to: "{{ vm_install.host }}"
+  when: inventory_hostname in vmhost_info
+
+- name: wait for vm to be destroyed
+  wait_for_virt:
+    name: "{{ inventory_hostname }}"
+    states: shutdown,crashed
+    timeout: 5
+  delegate_to: "{{ vm_install.host }}"
+  when: inventory_hostname in vmhost_info
+
+- name: undefining exisiting vm
+  virt:
+    name: "{{ inventory_hostname }}"
+    command: undefine
+  delegate_to: "{{ vm_install.host }}"
+  when: inventory_hostname in vmhost_info
+
+- name: enable installer in VM config
+  set_fact:
+    run_installer: True
+
+- name: define new installer vm
+  virt:
+    name: "{{ inventory_hostname }}"
+    command: define
+    xml: "{{ lookup('template', 'libvirt-domain.xml.j2') }}"
+  delegate_to: "{{ vm_install.host }}"
+
+- name: start vm
+  virt:
+    name: "{{ inventory_hostname }}"
+    state: running
+  delegate_to: "{{ vm_install.host }}"
+
+- name: wait for installer to start
+  wait_for_virt:
+    name: "{{ inventory_hostname }}"
+    states: running
+    timeout: 10
+  delegate_to: "{{ vm_install.host }}"
+
+- debug:
+    msg: "you can check on the status of the installer running this command 'virsh console {{ inventory_hostname }}' on host {{ vm_install.host }}."
+
+- name: wait for installer to finish or crash
+  wait_for_virt:
+    name: "{{ inventory_hostname }}"
+    states: shutdown,crashed
+    timeout: 900
+  delegate_to: "{{ vm_install.host }}"
+  register: installer_result
+  failed_when: installer_result.failed or installer_result.state == "crashed"
+
+- name: undefining installer vm
+  virt:
+    name: "{{ inventory_hostname }}"
+    command: undefine
+  delegate_to: "{{ vm_install.host }}"
+
+- name: disable installer in VM config
+  set_fact:
+    run_installer: False
+
+- name: define new production vm
+  virt:
+    name: "{{ inventory_hostname }}"
+    command: define
+    xml: "{{ lookup('template', 'libvirt-domain.xml.j2') }}"
+  delegate_to: "{{ vm_install.host }}"
+
+- name: start vm
+  virt:
+    name: "{{ inventory_hostname }}"
+    state: running
+  delegate_to: "{{ vm_install.host }}"
+
+- name: mark vm as autostarted
+  virt:
+    name: "{{ inventory_hostname }}"
+    autostart: "{{ vm_install.autostart }}"
+    command: info ## virt module needs either command or state
+  delegate_to: "{{ vm_install.host }}"
+  when: vm_install.autostart is defined
+
+- name: disable ssh StrictHostKeyChecking for the next step
+  set_fact:
+    ansible_ssh_extra_args: -o StrictHostKeyChecking=no
+
+- name: wait for vm to start up
+  wait_for_connection:
+    delay: 5
+    timeout: 120
+
+- name: reenable StrictHostKeyChecking
+  set_fact:
+    ansible_ssh_extra_args: ""
diff --git a/roles/vm/install/templates/libvirt-domain.xml.j2 b/roles/vm/install/templates/libvirt-domain.xml.j2
new file mode 100644
index 00000000..c84b1045
--- /dev/null
+++ b/roles/vm/install/templates/libvirt-domain.xml.j2
@@ -0,0 +1,70 @@
+<domain type='kvm'>
+  <name>{{ inventory_hostname }}</name>
+  <memory>{{ vm_install.mem * 1024 }}</memory>
+  <currentMemory>{{ vm_install.mem * 1024 }}</currentMemory>
+  <vcpu>{{ vm_install.numcpu }}</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc-0.12'>hvm</type>
+{% if run_installer %}
+    <kernel>{{ hostvars[vm_install.host].vm_host.installer.path }}/{{ vmdistro }}-{{ vmdistcodename }}/{{ vm_install.arch | default('amd64') }}/linux</kernel>
+    <initrd>{{ hostvars[vm_install.host].vm_host.installer.path }}/{{ vmdistro }}-{{ vmdistcodename }}/{{ vm_install.arch | default('amd64') }}/initrd.gz</initrd>
+    <cmdline>console=ttyS0,115200n8 auto=true interface=auto url=tftp://{{ hostvars[vm_install.host]['ansible_' + hostvars[vm_install.host].vm_host.installer.net_if].ipv4.address }}/vm-{{ inventory_hostname }}-{{ vmdistro }}-{{ vmdistcodename }}.cfg netcfg/choose_interface=enp1s1 netcfg/disable_autoconfig=true netcfg/get_ipaddress={{ vm_network.primary.ip }} netcfg/get_netmask={{ vm_network.primary.mask }} netcfg/get_gateway={{ vm_network.primary.gateway }} netcfg/get_nameservers="{{ vm_network.primary.nameservers | join(' ') }}" netcfg/confirm_static=true netcfg/get_hostname={{ inventory_hostname }} netcfg/get_domain={{ vm_network.primary.domain }}</cmdline>
+{% endif %}
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <acpi/>
+    <apic/>
+    <pae/>
+  </features>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+{% if run_installer %}
+  <on_reboot>destroy</on_reboot>
+  <on_crash>destroy</on_crash>
+{% else %}
+  <on_reboot>restart</on_reboot>
+  <on_crash>restart</on_crash>
+{% endif %}
+  <devices>
+    <emulator>/usr/bin/kvm</emulator>
+
+{% if 'virtio' in vm_install.disks %}
+{%   for device, lv in vm_install.disks.virtio.items() %}
+    <disk type='block' device='disk'>
+      <driver name='qemu' type='raw' cache='none' discard='unmap'/>
+      <source dev='/dev/mapper/{{ lv.vg | replace('-', '--') }}-{{ lv.lv | replace('-', '--') }}'/>
+      <target dev='{{ device }}' bus='virtio'/>
+    </disk>
+{%   endfor %}
+{% endif %}
+
+{% if 'scsi' in vm_install.disks %}
+    <controller type='scsi' index='0' model='virtio-scsi'/>
+{%   for device, lv in vm_install.disks.scsi.items() %}
+    <disk type='block' device='disk'>
+      <driver name='qemu' type='raw' cache='none' discard='unmap'/>
+      <source dev='/dev/mapper/{{ lv.vg | replace('-', '--') }}-{{ lv.lv | replace('-', '--') }}'/>
+      <target dev='{{ device }}' bus='scsi'/>
+    </disk>
+{%   endfor %}
+{% endif %}
+
+{% if vm_install.interfaces %}
+{%   for if in vm_install.interfaces %}
+    <interface type='bridge'>
+      <source bridge='{{ if.bridge }}'/>
+      <model type='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x01' slot='0x0{{ if.idx }}' function='0x0'/>
+    </interface>
+{%   endfor %}
+{% endif %}
+
+    <serial type='pty'>
+      <target port='0'/>
+    </serial>
+    <console type='pty'>
+      <target type='serial' port='0'/>
+    </console>
+  </devices>
+</domain>
diff --git a/roles/vm/install/templates/preseed_debian-stretch.cfg.j2 b/roles/vm/install/templates/preseed_debian-stretch.cfg.j2
new file mode 100644
index 00000000..55ddbfc2
--- /dev/null
+++ b/roles/vm/install/templates/preseed_debian-stretch.cfg.j2
@@ -0,0 +1,105 @@
+#########################################################################
+#  spreadspace preseed file for Debian stretch based VMs
+#########################################################################
+
+d-i debian-installer/language string en
+d-i debian-installer/country string AT
+d-i debian-installer/locale string de_AT.UTF-8
+d-i keyboard-configuration/xkb-keymap select de
+
+
+#d-i netcfg/choose_interface select enp1s1
+#d-i netcfg/disable_autoconfig boolean false
+#d-i netcfg/get_ipaddress string {{ vm_network.primary.ip }}
+#d-i netcfg/get_netmask string {{ vm_network.primary.mask }}
+#d-i netcfg/get_gateway string {{ vm_network.primary.gateway }}
+#d-i netcfg/get_nameservers string {{ vm_network.primary.nameservers | join(' ') }}
+#d-i netcfg/confirm_static boolean true
+
+d-i netcfg/get_hostname string {{ inventory_hostname }}
+d-i netcfg/get_domain string {{ vm_network.primary.domain }}
+d-i netcfg/wireless_wep string
+
+
+d-i mirror/country string manual
+d-i mirror/http/hostname string deb.debian.org
+d-i mirror/http/directory string /debian
+d-i mirror/http/proxy string
+
+
+d-i passwd/make-user boolean false
+d-i passwd/root-password password this-very-very-secure-password-will-be-removed-by-latecommand
+d-i passwd/root-password-again password this-very-very-secure-password-will-be-removed-by-latecommand
+
+
+d-i clock-setup/utc boolean true
+d-i time/zone string Europe/Vienna
+d-i clock-setup/ntp boolean false
+
+
+d-i partman-auto/disk string /dev/{{ vm_install.disks.primary }}
+d-i partman-auto/method string lvm
+d-i partman-lvm/device_remove_lvm boolean true
+d-i partman-md/device_remove_md boolean true
+
+d-i partman-lvm/confirm boolean true
+d-i partman-lvm/confirm_nooverwrite boolean true
+
+d-i partman-auto/expert_recipe string                                   \
+      boot-root ::                                                      \
+              1000 10000 -1 ext4                                        \
+                      $defaultignore{ } $primary{ } $bootable{ }        \
+                      method{ lvm } vg_name{ {{ inventory_hostname }} } \
+              .                                                         \
+              2048 10000 2560 ext4                                      \
+                      $lvmok{ } in_vg{ {{ inventory_hostname }} }       \
+                      method{ format } format{ }                        \
+                      use_filesystem{ } filesystem{ ext4 }              \
+                      mountpoint{ / }                                   \
+              .                                                         \
+              1024 11000 1280 ext4                                      \
+                      $lvmok{ } in_vg{ {{ inventory_hostname }} }       \
+                      method{ format } format{ }                        \
+                      use_filesystem{ } filesystem{ ext4 }              \
+                      mountpoint{ /var }                                \
+              .                                                         \
+              768 10000 768 ext4                                        \
+                      $lvmok{ } in_vg{ {{ inventory_hostname }} }       \
+                      method{ format } format{ }                        \
+                      use_filesystem{ } filesystem{ ext4 }              \
+                      mountpoint{ /var/log }                            \
+                      options/nodev{ nodev } options/noatime{ noatime } \
+                      options/noexec{ noexec }                          \
+              .                                                         \
+              16 20000 -1 ext4                                          \
+                      $lvmok{ } in_vg{ {{ inventory_hostname }} }       \
+                      method( keep } lv_name{ dummy }                   \
+              .
+
+d-i partman-auto-lvm/no_boot boolean true
+d-i partman-basicfilesystems/no_swap true
+d-i partman-partitioning/confirm_write_new_label boolean true
+d-i partman/choose_partition select finish
+d-i partman/confirm boolean true
+d-i partman/confirm_nooverwrite boolean true
+
+
+d-i base-installer/install-recommends boolean false
+d-i apt-setup/security_host string deb.debian.org
+
+tasksel tasksel/first multiselect
+d-i pkgsel/include string openssh-server python
+d-i pkgsel/upgrade select safe-upgrade
+popularity-contest popularity-contest/participate boolean false
+
+d-i grub-installer/choose_bootdev string /dev/{{ vm_install.disks.primary }}
+d-i grub-installer/only_debian boolean true
+d-i grub-installer/with_other_os boolean false
+
+d-i finish-install/reboot_in_progress note
+
+
+d-i preseed/late_command string \
+    lvremove -f {{ inventory_hostname }}/dummy; \
+    in-target bash -c "apt-get update -q && apt-get full-upgrade -y -q"; \
+    in-target bash -c "passwd -d root; passwd -l root; umask 077; mkdir -p /root/.ssh/; echo -e '{{ sshserver_root_keys }}' > /root/.ssh/authorized_keys"
diff --git a/roles/vm/network/handlers/main.yml b/roles/vm/network/handlers/main.yml
new file mode 100644
index 00000000..f967fa86
--- /dev/null
+++ b/roles/vm/network/handlers/main.yml
@@ -0,0 +1,3 @@
+---
+- name: rebuild initramfs
+  command: update-initramfs -u
diff --git a/roles/vm/network/tasks/lan.yml b/roles/vm/network/tasks/lan.yml
new file mode 100644
index 00000000..ec436e9b
--- /dev/null
+++ b/roles/vm/network/tasks/lan.yml
@@ -0,0 +1,6 @@
+---
+- name: install interface config (LAN only)
+  template:
+    src: interfaces_lan.j2
+    dest: /etc/network/interfaces
+    mode: 0644
diff --git a/roles/vm/network/tasks/main.yml b/roles/vm/network/tasks/main.yml
new file mode 100644
index 00000000..222a350b
--- /dev/null
+++ b/roles/vm/network/tasks/main.yml
@@ -0,0 +1,9 @@
+---
+- import_tasks: systemd-link.yml
+  when: srv_network.systemd_link is defined
+
+- import_tasks: public.yml
+  when: srv_network.public is defined
+
+- import_tasks: lan.yml
+  when: srv_network.public is not defined
diff --git a/roles/vm/network/tasks/public.yml b/roles/vm/network/tasks/public.yml
new file mode 100644
index 00000000..8b0e317a
--- /dev/null
+++ b/roles/vm/network/tasks/public.yml
@@ -0,0 +1,33 @@
+---
+- name: set routing table names
+  with_items:
+  - { regexp: '^89\s',  line: '89      mur-default' }
+  - { regexp: '^212\s', line: '212     upc-default' }
+  lineinfile:
+    regexp: "{{ item.regexp }}"
+    line: "{{ item.line }}"
+    dest: /etc/iproute2/rt_tables
+
+- name: calculate address lists
+  set_fact:
+    srv_network_public_firewall_ipv4:
+    - "{{ srv_network.public.ip_mur }}"
+    - "{{ srv_network.public.ip_upc }}"
+    srv_network_public_firewall_ipv6:
+    - "{{ srv_network.public.ip_mur6 }}"
+
+- name: install firewall scripts
+  with_items:
+  - 4
+  - 6
+  template:
+    src: firewall.sh_public.j2
+    dest: "/etc/network/firewall{{ item }}.sh"
+    mode: 0755
+  when: srv_network.public.firewall is defined
+
+- name: install interface config (Public)
+  template:
+    src: interfaces_public.j2
+    dest: /etc/network/interfaces
+    mode: 0644
diff --git a/roles/vm/network/tasks/systemd-link.yml b/roles/vm/network/tasks/systemd-link.yml
new file mode 100644
index 00000000..ad12cd37
--- /dev/null
+++ b/roles/vm/network/tasks/systemd-link.yml
@@ -0,0 +1,15 @@
+---
+- name: remove legacy systemd.link units
+  file:
+    name: "/etc/systemd/network/{{ item }}"
+    state: absent
+  with_items:
+  - 50-virtio-kernel-names.link
+  - 99-default.link
+
+- name: install systemd network link units
+  template:
+    src: systemd.link.j2
+    dest: "/etc/systemd/network/{{ '%02d' | format(item.idx + 10) }}-{{ item.name }}.link"
+  with_items: "{{ srv_network.systemd_link.interfaces }}"
+  notify: rebuild initramfs
diff --git a/roles/vm/network/templates/firewall.sh_public.j2 b/roles/vm/network/templates/firewall.sh_public.j2
new file mode 100644
index 00000000..df5b1373
--- /dev/null
+++ b/roles/vm/network/templates/firewall.sh_public.j2
@@ -0,0 +1,49 @@
+#!/bin/sh
+
+PUBLIC_IPS="{% if item == 4 %}{{ srv_network_public_firewall_ipv4 | join(' ') }}{% else %}{{ srv_network_public_firewall_ipv6 | join(' ') }}{% endif %}"
+PUBLIC_IF="$2"
+TCP_PORTS="{{ srv_network.public.firewall.tcp_ports | default([]) | join(' ') }}"
+UDP_PORTS="{{ srv_network.public.firewall.udp_ports | default([]) | join(' ') }}"
+
+#####
+IPTABLES="/sbin/ip{% if item == 6 %}6{% endif %}tables"
+ICMP="icmp{% if item == 6 %}v6{% endif %}"
+
+case "$1" in
+  start)
+    $IPTABLES -A INPUT -i $PUBLIC_IF -p $ICMP -j ACCEPT
+    $IPTABLES -A INPUT -i $PUBLIC_IF -m state --state related,established -j ACCEPT
+    for port in $TCP_PORTS; do
+      for ip in $PUBLIC_IPS; do
+        $IPTABLES -A INPUT -i $PUBLIC_IF -d $ip -p tcp --dport $port -j ACCEPT
+      done
+    done
+    for port in $UDP_PORTS; do
+      for ip in $PUBLIC_IPS; do
+        $IPTABLES -A INPUT -i $PUBLIC_IF -d $ip -p udp --dport $port -j ACCEPT
+      done
+    done
+    $IPTABLES -A INPUT -i $PUBLIC_IF -j DROP
+  ;;
+  stop)
+    $IPTABLES -D INPUT -i $PUBLIC_IF -j DROP
+    for port in $UDP_PORTS; do
+      for ip in $PUBLIC_IPS; do
+        $IPTABLES -D INPUT -i $PUBLIC_IF -d $ip -p udp --dport $port -j ACCEPT
+      done
+    done
+    for port in $TCP_PORTS; do
+      for ip in $PUBLIC_IPS; do
+        $IPTABLES -D INPUT -i $PUBLIC_IF -d $ip -p tcp --dport $port -j ACCEPT
+      done
+    done
+    $IPTABLES -D INPUT -i $PUBLIC_IF -m state --state related,established -j ACCEPT
+    $IPTABLES -D INPUT -i $PUBLIC_IF -p $ICMP -j ACCEPT
+  ;;
+  *)
+    echo "Usage: $0 (start|stop)"
+    exit 1
+  ;;
+esac
+
+exit 0
diff --git a/roles/vm/network/templates/interfaces_lan.j2 b/roles/vm/network/templates/interfaces_lan.j2
new file mode 100644
index 00000000..36ae2883
--- /dev/null
+++ b/roles/vm/network/templates/interfaces_lan.j2
@@ -0,0 +1,17 @@
+# This file describes the network interfaces available on your system
+# and how to activate them. For more information, see interfaces(5).
+
+source /etc/network/interfaces.d/*
+
+# The loopback network interface
+auto lo
+iface lo inet loopback
+
+# The internal network interface
+auto {{ srv_network.internal.interface }}
+iface {{ srv_network.internal.interface }} inet static
+  address {{ srv_network.internal.ip }}
+  netmask 255.255.255.0
+  gateway 192.168.1.254
+  pre-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/accept_ra
+  pre-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/autoconf
diff --git a/roles/vm/network/templates/interfaces_public.j2 b/roles/vm/network/templates/interfaces_public.j2
new file mode 100644
index 00000000..2e8583ab
--- /dev/null
+++ b/roles/vm/network/templates/interfaces_public.j2
@@ -0,0 +1,63 @@
+# This file describes the network interfaces available on your system
+# and how to activate them. For more information, see interfaces(5).
+
+source /etc/network/interfaces.d/*
+
+# The loopback network interface
+auto lo
+iface lo inet loopback
+
+# The internal network interface
+auto {{ srv_network.internal.interface }}
+iface {{ srv_network.internal.interface }} inet static
+  address {{ srv_network.internal.ip }}
+  netmask 255.255.255.0
+  pre-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/accept_ra
+  pre-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/autoconf
+  up ip route add default via 192.168.1.254 table default
+  up ip rule add pref 42000 lookup default
+  up ip rule del pref 32767
+  down ip rule add pref 32767 lookup default
+  down ip rule del pref 42000
+  down ip route del default via 192.168.1.254 table default
+
+
+# The public network interface
+auto {{ srv_network.public.interface }}
+iface {{ srv_network.public.interface }} inet static
+  address {{ srv_network.public.ip }}
+  netmask 255.255.255.0
+  pre-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/accept_ra
+  pre-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/autoconf
+  ## mur.at
+  up ip addr add dev $IFACE {{ srv_network.public.ip_mur }}/28
+  up ip route add default via 89.106.215.14 src {{ srv_network.public.ip_mur }} table mur-default
+  up ip rule add pref 33000 from {{ srv_network.public.ip_mur }} lookup mur-default
+  ## upc
+  up ip addr add dev $IFACE {{ srv_network.public.ip_upc }}/32
+  up ip route add default via 192.168.3.254 src {{ srv_network.public.ip_upc }} table upc-default
+  up ip rule add pref 35000 from {{ srv_network.public.ip_upc }} lookup upc-default
+  ### firewall
+  up /etc/network/firewall4.sh start $IFACE
+  ##########
+  down /etc/network/firewall4.sh stop $IFACE
+  ## upc
+  down ip rule del pref 35000
+  down ip route del default via 192.168.3.254 src {{ srv_network.public.ip_upc }} table upc-default
+  down ip addr del dev $IFACE {{ srv_network.public.ip_upc }}/32
+  ## mur.at
+  down ip rule del pref 33000
+  down ip route del default via 89.106.215.14 src {{ srv_network.public.ip_mur }} table mur-default
+  down ip addr del dev $IFACE {{ srv_network.public.ip_mur }}/28
+
+iface {{ srv_network.public.interface }} inet6 static
+  address {{ srv_network.public.ip_mur6 }}
+  netmask 64
+  pre-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/accept_ra
+  pre-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/autoconf
+  up ip -6 route add default via 2a02:3e0:2003::e src {{ srv_network.public.ip_mur6 }} table mur-default
+  up ip -6 rule add pref 33000 from {{ srv_network.public.ip_mur6 }} lookup mur-default
+  up /etc/network/firewall6.sh start $IFACE
+  down /etc/network/firewall6.sh stop $IFACE
+  down ip -6 rule del pref 33000
+  down ip -6 route del default via 2a02:3e0:2003::e src {{ srv_network.public.ip_mur6 }} table mur-default
diff --git a/roles/vm/network/templates/systemd.link.j2 b/roles/vm/network/templates/systemd.link.j2
new file mode 100644
index 00000000..753fd586
--- /dev/null
+++ b/roles/vm/network/templates/systemd.link.j2
@@ -0,0 +1,5 @@
+[Match]
+Path=pci-0000:01:{{ "%02d" | format(item.idx) }}.0
+
+[Link]
+Name={{ item.name }}