7 files changed, 322 insertions, 0 deletions
diff --git a/roles/cloud/install/filter_plugins/hroot.py b/roles/cloud/install/filter_plugins/hroot.py
new file mode 100644
index 00000000..d2abff1b
--- /dev/null
+++ b/roles/cloud/install/filter_plugins/hroot.py
@@ -0,0 +1,33 @@
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+
+from ansible import errors
+
+
+def extract_ssh_key_fingerprints(data):
+    try:
+        return [k['key']['fingerprint'] for k in data]
+    except Exception as e:
+        raise errors.AnsibleFilterError("hroot_ssh_key_fingerprints(): %s" % str(e))
+
+
+def extract_serverip(data, server_name):
+    try:
+        ips = [s['server']['server_ip'] for s in data if s['server']['server_name'] == server_name]
+        if len(ips):
+            return ips[0]
+        raise errors.AnsibleFilterError("hroot_extract_serverip(): server %s not found" % server_name)
+    except Exception as e:
+        raise errors.AnsibleFilterError("hroot_extract_serverip(): %s" % str(e))
+
+
+class FilterModule(object):
+
+    ''' Ansible math jinja2 filters '''
+
+    def filters(self):
+        return {
+            'hroot_extract_ssh_key_fingerprints': extract_ssh_key_fingerprints,
+            'hroot_extract_serverip': extract_serverip,
+        }
diff --git a/roles/cloud/install/tasks/hcloud.yml b/roles/cloud/install/tasks/hcloud.yml
new file mode 100644
index 00000000..ca5435b8
--- /dev/null
+++ b/roles/cloud/install/tasks/hcloud.yml
@@ -0,0 +1,68 @@
+---
+- name: retrieve ssh key ids
+  uri:
+    url: "https://api.hetzner.cloud/v1/ssh_keys"
+    method: GET
+    headers:
+      Authorization: "Bearer {{ install_cooked.cloud_credentials.token }}"
+    status_code: 200
+  register: sshkeys
+  delegate_to: localhost
+
+- name: retrieve server id and check if rescue mode is already active
+  uri:
+    url: "https://api.hetzner.cloud/v1/servers?name={{ inventory_hostname }}"
+    method: GET
+    headers:
+      Authorization: "Bearer {{ install_cooked.cloud_credentials.token }}"
+    status_code: 200
+  register: serverstatus
+  delegate_to: localhost
+
+- name: do not continue in check mode
+  fail:
+    msg: "can not bootstrap new servers in check mode"
+  when: ansible_check_mode | bool
+  check_mode: no
+
+### TODO: for now we add all ssh keys that are installed for this project - this might not be a good idea!
+- name: activate rescue mode
+  when: not serverstatus.json.servers[0].rescue_enabled
+  uri:
+    url: "https://api.hetzner.cloud/v1/servers/{{ serverstatus.json.servers[0].id }}/actions/enable_rescue"
+    method: POST
+    body: "{{ {'type': 'linux64', 'ssh_keys': (sshkeys.json.ssh_keys | map(attribute='id') | list) } | to_nice_json }}"
+    headers:
+      Authorization: "Bearer {{ install_cooked.cloud_credentials.token }}"
+      Content-Type: "application/json"
+    status_code: 201
+  delegate_to: localhost
+
+- name: do a hardware reset
+  uri:
+    url: "https://api.hetzner.cloud/v1/servers/{{ serverstatus.json.servers[0].id }}/actions/reset"
+    method: POST
+    headers:
+      Authorization: "Bearer {{ install_cooked.cloud_credentials.token }}"
+    status_code: 201
+  delegate_to: localhost
+
+### TODO: would be nice to get the SSH host key from robot
+- name: completely ignore ssh host keys for now
+  set_fact:
+    old_ansible_ssh_extra_args: "{{ ansible_ssh_extra_args | default('') }}"
+    ansible_ssh_extra_args: "{{ ansible_ssh_extra_args | default('') }} -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no"
+
+- name: wait for rescue system to start up
+  wait_for_connection:
+    delay: 30
+    timeout: 120
+
+- include_tasks: hetzner_installimage.yml
+
+- name: reboot
+  shell: sleep 2 && shutdown -r now "triggered by ansible after running installimage"
+  async: 1
+  poll: 0
+  ignore_errors: True
+  changed_when: True
diff --git a/roles/cloud/install/tasks/hetzner_installimage.yml b/roles/cloud/install/tasks/hetzner_installimage.yml
new file mode 100644
index 00000000..f54a785b
--- /dev/null
+++ b/roles/cloud/install/tasks/hetzner_installimage.yml
@@ -0,0 +1,38 @@
+---
+- name: determine latest image name
+  shell: |
+    set -o pipefail
+    shopt -s nocaseglob
+    ls /root/.oldroot/nfs/images/{{ install_distro }}-*-{{ install_codename }}-64-minimal.tar.gz | sort -r | head -n 1
+  args:
+    executable: /bin/bash
+  check_mode: no
+  changed_when: false
+  register: latest_image
+
+- name: generate installimage config
+  template:
+    src: hetzner_installimage.conf.j2
+    dest: /root/installimage.conf
+
+- name: generate postinst script
+  template:
+    src: hetzner_postinst.sh.j2
+    dest: /root/postinst.sh
+    mode: 0755
+
+- name: run installimage
+  command: /root/.oldroot/nfs/install/installimage -a -c installimage.conf -x postinst.sh
+  register: hetzner_installimage_cmd
+  changed_when: true
+  args:
+    chdir: /root
+
+- name: "print installimage output"
+  debug:
+    msg: "{{ hetzner_installimage_cmd.stdout_lines + hetzner_installimage_cmd.stderr_lines }}"
+
+- name: "check if installimage succeeded"
+  fail:
+    msg: "failed to run installimage"
+  when: "hetzner_installimage_cmd.rc != 0 or 'postinst.sh finished successfully' not in hetzner_installimage_cmd.stdout_lines"
diff --git a/roles/cloud/install/tasks/hroot.yml b/roles/cloud/install/tasks/hroot.yml
new file mode 100644
index 00000000..606df5f6
--- /dev/null
+++ b/roles/cloud/install/tasks/hroot.yml
@@ -0,0 +1,109 @@
+---
+- name: retrieve ssh key fingerprints
+  uri:
+    url: "https://robot-ws.your-server.de/key"
+    method: GET
+    user: "{{ install_cooked.cloud_credentials.username }}"
+    password: "{{ install_cooked.cloud_credentials.password }}"
+    force_basic_auth: yes
+    status_code: 200
+  register: sshkeys
+  delegate_to: localhost
+  check_mode: no
+
+- name: do not continue in check mode
+  fail:
+    msg: "can not bootstrap new servers in check mode"
+  when: ansible_check_mode | bool
+  check_mode: no
+
+- block:
+  - name: retrieve server list from robot
+    uri:
+      url: "https://robot-ws.your-server.de/server"
+      method: GET
+      user: "{{ install_cooked.cloud_credentials.username }}"
+      password: "{{ install_cooked.cloud_credentials.password }}"
+      force_basic_auth: yes
+      status_code: 200
+    register: servers
+    delegate_to: localhost
+    check_mode: no
+
+  - name: extract server IP address from robot result
+    set_fact:
+      hetzner_main_ip: "{{ servers.json | hroot_extract_serverip(host_name) }}"
+
+  when: hetzner_main_ip is not defined
+
+- name: display warning message
+  pause:
+    prompt: |
+      *** Danger ****
+      will be bootstraping host {{ inventory_hostname }} with main IP {{ hetzner_main_ip }} ...
+      ALL DATA WILL BE LOST!!! press CTRL-C then A to abort.
+    seconds: 15
+
+- name: check if rescue mode is already active
+  uri:
+    url: "https://robot-ws.your-server.de/boot/{{ hetzner_main_ip }}/rescue"
+    method: GET
+    user: "{{ install_cooked.cloud_credentials.username }}"
+    password: "{{ install_cooked.cloud_credentials.password }}"
+    force_basic_auth: yes
+    status_code: 200
+  register: rescuestatus
+  delegate_to: localhost
+  check_mode: no
+
+### TODO: for now we add all ssh keys that are installed in the robot - this might not be a good idea!
+- name: activate rescue mode
+  when: not rescuestatus.json.rescue.active
+  uri:
+    url: "https://robot-ws.your-server.de/boot/{{ hetzner_main_ip }}/rescue"
+    method: POST
+    user: "{{ install_cooked.cloud_credentials.username }}"
+    password: "{{ install_cooked.cloud_credentials.password }}"
+    force_basic_auth: yes
+    body: "os=linux&arch=64&authorized_key[]={{ sshkeys.json | hroot_extract_ssh_key_fingerprints | join('&authorized_key[]=') }}"
+    status_code: 200
+    headers:
+      Content-Type: "application/x-www-form-urlencoded"
+  delegate_to: localhost
+
+- name: wait for the rescue mode to become active
+  pause:
+    seconds: 5
+
+- name: do a hardware reset
+  uri:
+    url: "https://robot-ws.your-server.de/reset/{{ hetzner_main_ip }}"
+    method: POST
+    user: "{{ install_cooked.cloud_credentials.username }}"
+    password: "{{ install_cooked.cloud_credentials.password }}"
+    force_basic_auth: yes
+    body: "type=hw"
+    status_code: 200
+    headers:
+      Content-Type: "application/x-www-form-urlencoded"
+  delegate_to: localhost
+
+### TODO: would be nice to get the SSH host key from robot
+- name: completely ignore ssh host keys for now
+  set_fact:
+    old_ansible_ssh_extra_args: "{{ ansible_ssh_extra_args | default('') }}"
+    ansible_ssh_extra_args: "{{ ansible_ssh_extra_args | default('') }} -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no"
+
+- name: wait for rescue system to start up
+  wait_for_connection:
+    delay: 30
+    timeout: 120
+
+- include_tasks: hetzner_installimage.yml
+
+- name: reboot
+  shell: sleep 2 && shutdown -r now "triggered by ansible after running installimage"
+  async: 1
+  poll: 0
+  ignore_errors: True
+  changed_when: True
diff --git a/roles/cloud/install/tasks/main.yml b/roles/cloud/install/tasks/main.yml
new file mode 100644
index 00000000..c5cc046f
--- /dev/null
+++ b/roles/cloud/install/tasks/main.yml
@@ -0,0 +1,2 @@
+---
+- include_tasks: "{{ cloud_provider }}.yml"
diff --git a/roles/cloud/install/templates/hetzner_installimage.conf.j2 b/roles/cloud/install/templates/hetzner_installimage.conf.j2
new file mode 100644
index 00000000..a30fb94a
--- /dev/null
+++ b/roles/cloud/install/templates/hetzner_installimage.conf.j2
@@ -0,0 +1,26 @@
+HOSTNAME {{ host_name }}
+{% if cloud_provider == "hroot" %}
+{%   if install_cooked.disks.layout == "nvme_raid" %}
+DRIVE1 /dev/nvme0n1
+DRIVE2 /dev/nvme1n1
+SWRAID 1
+SWRAIDLEVEL 1
+{%   elif install_cooked.disks.layout == "sata_raid" %}
+DRIVE1 /dev/sda
+DRIVE2 /dev/sdb
+SWRAID 1
+SWRAIDLEVEL 1
+{%   endif %}
+{% elif cloud_provider == "hcloud" %}
+DRIVE1 /dev/sda
+{% endif %}
+BOOTLOADER grub
+PART /boot  ext4     512M
+PART lvm  {{ host_name }}  {{ install_cooked.disks.root_lvm_size }}
+{% if install_cooked.disks.root_lvm_size != "all" %}
+PART /dummy ext4     all
+{% endif %}
+LV {{ host_name }} root     /         ext4  2560M
+LV {{ host_name }} var      /var      ext4  1280M
+LV {{ host_name }} var+log  /var/log  ext4   768M
+IMAGE {{ latest_image.stdout }}
diff --git a/roles/cloud/install/templates/hetzner_postinst.sh.j2 b/roles/cloud/install/templates/hetzner_postinst.sh.j2
new file mode 100644
index 00000000..271e51b7
--- /dev/null
+++ b/roles/cloud/install/templates/hetzner_postinst.sh.j2
@@ -0,0 +1,46 @@
+#!/bin/bash
+set -euf -o pipefail
+
+export DEBIAN_FRONTEND=noninteractive
+apt-get update -q
+apt-get full-upgrade -y -q
+apt-get install -y -q --no-install-recommends openssh-server python python-apt
+
+passwd -d root && passwd -l root
+{% if install_distro == "debian" %}
+sed -e 's/^allow-hotplug/auto/' -i /etc/network/interfaces
+{% endif %}
+sed -r 's#(\s+/var/log\s+ext4\s+)defaults#\1noatime,nodev,noexec#g' -i /etc/fstab
+
+mkdir -p -m 0700 /target/root/.ssh
+cat <<EOK > /root/.ssh/authorized_keys
+{{ ssh_keys_root | join('\n') }}
+EOK
+{% if hostvars[hostname].ansible_port is defined %}
+sed -e 's/^\(\s*#*\s*Port.*\)/Port {{ hostvars[hostname].ansible_port }}/' -i /etc/ssh/sshd_config
+{% endif %}
+
+{# this is actually only needed on ubuntu bionic and beyond but should not hurt on other installations either #}
+swapoff -a
+sed -e '/^\/swapfile/d' -i /etc/fstab
+rm -f /swapfile
+
+{% if install_cooked.disks.root_lvm_size != "all" %}
+umount /dummy
+sed -e '/\/dummy/d' -i /etc/fstab
+rm -rf /dummy
+
+raid_devices=$(mdadm -Q -Y --detail /dev/md2 2> /dev/null | awk -F = '/MD_DEVICE_.*_DEV=/ { print($2) }')
+if [ -n "$raid_devices" ]; then
+  mdadm --stop /dev/md2 2> /dev/null
+  for dev in $raid_devices; do
+    wipefs -a "$dev"
+  done
+  sed -e '/^ARRAY \/dev\/md\/2 /d' -i /etc/mdadm/mdadm.conf
+  update-initramfs -u
+fi
+{% endif %}
+
+update-grub
+
+echo "postinst.sh finished successfully"