From 3c55ccb22322f107c8b82a824e5e28a576af9ae0 Mon Sep 17 00:00:00 2001 From: Christian Pointner Date: Sat, 13 Apr 2019 23:31:30 +0200 Subject: added cloud install role/playbook --- roles/cloud-install/defaults/main.yml | 2 + roles/cloud-install/filter_plugins/hroot.py | 33 ++++++ roles/cloud-install/tasks/hetzner_installimage.yml | 38 +++++++ roles/cloud-install/tasks/install_hcloud.yml | 83 ++++++++++++++ roles/cloud-install/tasks/install_hroot.yml | 124 +++++++++++++++++++++ roles/cloud-install/tasks/main.yml | 16 +++ roles/cloud-install/tasks/post_hcloud.yml | 6 + .../templates/hetzner_installimage.conf.j2 | 21 ++++ .../cloud-install/templates/hetzner_postinst.sh.j2 | 25 +++++ 9 files changed, 348 insertions(+) create mode 100644 roles/cloud-install/defaults/main.yml create mode 100644 roles/cloud-install/filter_plugins/hroot.py create mode 100644 roles/cloud-install/tasks/hetzner_installimage.yml create mode 100644 roles/cloud-install/tasks/install_hcloud.yml create mode 100644 roles/cloud-install/tasks/install_hroot.yml create mode 100644 roles/cloud-install/tasks/main.yml create mode 100644 roles/cloud-install/tasks/post_hcloud.yml create mode 100644 roles/cloud-install/templates/hetzner_installimage.conf.j2 create mode 100644 roles/cloud-install/templates/hetzner_postinst.sh.j2 (limited to 'roles/cloud-install') diff --git a/roles/cloud-install/defaults/main.yml b/roles/cloud-install/defaults/main.yml new file mode 100644 index 00000000..33e5d165 --- /dev/null +++ b/roles/cloud-install/defaults/main.yml @@ -0,0 +1,2 @@ +--- +hetzner_disk_config: "{% if cloud_provider == 'hroot' %}nvme_raid{% elif cloud_provider == 'hcloud' %}hcloud{% endif %}" 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/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/install_hcloud.yml b/roles/cloud-install/tasks/install_hcloud.yml new file mode 100644 index 00000000..a4c61c0f --- /dev/null +++ b/roles/cloud-install/tasks/install_hcloud.yml @@ -0,0 +1,83 @@ +--- +- name: retrieve ssh key ids + uri: + url: "https://api.hetzner.cloud/v1/ssh_keys" + method: GET + headers: + Authorization: "Bearer {{ hcloud_api_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 {{ hcloud_api_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 + 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 {{ hcloud_api_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 {{ hcloud_api_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 + +- import_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 + +### TODO: SSH host key handling needs to be improved +- name: automatically accept new ssh host key + set_fact: + ansible_ssh_extra_args: "{{ old_ansible_ssh_extra_args }} -o StrictHostKeyChecking=no" + +- name: wait for host to start up + wait_for_connection: + delay: 15 + timeout: 120 + +### TODO: SSH host key handling needs to be improved +- name: re-enable ssh host key checking + set_fact: + ansible_ssh_extra_args: "{{ old_ansible_ssh_extra_args }}" diff --git a/roles/cloud-install/tasks/install_hroot.yml b/roles/cloud-install/tasks/install_hroot.yml new file mode 100644 index 00000000..6d4d6017 --- /dev/null +++ b/roles/cloud-install/tasks/install_hroot.yml @@ -0,0 +1,124 @@ +--- +- name: retrieve ssh key fingerprints + uri: + url: "https://robot-ws.your-server.de/key" + method: GET + user: "{{ hroot_robot_account.username }}" + password: "{{ hroot_robot_account.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 + check_mode: no + +- block: + - name: retrieve server list from robot + uri: + url: "https://robot-ws.your-server.de/server" + method: GET + user: "{{ hroot_robot_account.username }}" + password: "{{ hroot_robot_account.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: "{{ hroot_robot_account.username }}" + password: "{{ hroot_robot_account.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: "{{ hroot_robot_account.username }}" + password: "{{ hroot_robot_account.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: "{{ hroot_robot_account.username }}" + password: "{{ hroot_robot_account.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 + +- import_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 + +### TODO: SSH host key handling needs to be improved +- name: automatically accept new ssh host key + set_fact: + ansible_ssh_extra_args: "{{ old_ansible_ssh_extra_args }} -o StrictHostKeyChecking=no" + +- name: wait for host to start up + wait_for_connection: + delay: 15 + timeout: 120 + +### TODO: SSH host key handling needs to be improved +- name: re-enable ssh host key checking + set_fact: + ansible_ssh_extra_args: "{{ old_ansible_ssh_extra_args }}" diff --git a/roles/cloud-install/tasks/main.yml b/roles/cloud-install/tasks/main.yml new file mode 100644 index 00000000..ef6d42ae --- /dev/null +++ b/roles/cloud-install/tasks/main.yml @@ -0,0 +1,16 @@ +--- +- include_tasks: "{{ item }}" + static: no + with_first_found: + - files: + - "install_{{ cloud_provider }}.yml" + +- name: force facts cache to get updated + setup: + +- include_tasks: "{{ item }}" + static: no + with_first_found: + - files: + - "post_{{ cloud_provider }}.yml" + skip: True diff --git a/roles/cloud-install/tasks/post_hcloud.yml b/roles/cloud-install/tasks/post_hcloud.yml new file mode 100644 index 00000000..96108c58 --- /dev/null +++ b/roles/cloud-install/tasks/post_hcloud.yml @@ -0,0 +1,6 @@ +--- +- name: install additional packages + apt: + name: + - qemu-guest-agent + state: present 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..4c834499 --- /dev/null +++ b/roles/cloud-install/templates/hetzner_installimage.conf.j2 @@ -0,0 +1,21 @@ +HOSTNAME {{ host_name }} +{% if hetzner_disk_config == "nvme_raid" %} +DRIVE1 /dev/nvme0n1 +DRIVE2 /dev/nvme1n1 +SWRAID 1 +SWRAIDLEVEL 1 +{% elif hetzner_disk_config == "sata_raid" %} +DRIVE1 /dev/sda +DRIVE2 /dev/sdb +SWRAID 1 +SWRAIDLEVEL 1 +{% elif hetzner_disk_config == "hcloud" %} +DRIVE1 /dev/sda +{% endif %} +BOOTLOADER grub +PART /boot ext4 512M +PART lvm {{ host_name }} all +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..3aa33c76 --- /dev/null +++ b/roles/cloud-install/templates/hetzner_postinst.sh.j2 @@ -0,0 +1,25 @@ +#!/bin/bash +set -euf -o pipefail + +apt-get update +apt-get full-upgrade -y +apt-get install -y --no-install-recommends openssh-server python + +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 < /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 + +echo "postinst.sh finished successfully" -- cgit v1.2.3