Commit 166d994a authored by Evangelos Foutras's avatar Evangelos Foutras 🐱
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Merge branch 'storagebox-sub-accounts' into 'master'

Use sub-accounts for backups to Hetzner Storage Box

Closes #362

See merge request archlinux/infrastructure!434
parents 29e7f1c8 62c78dfa
Pipeline #9354 passed with stage
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......@@ -8,7 +8,7 @@ You'll have to get the correct username from the vault.
We use two different borg backup hosts: A primary one and an offsite one.
The URL format for the primary one is
ssh://<hetzner_storagebox_username>@u236610.your-storagebox.de:23/~/backup/<hostname>
ssh://<hetzner_storagebox_username>@u236610.your-storagebox.de:23/~/backup/<hostname>/repo
while for the offsite one it's
......@@ -22,7 +22,7 @@ placeholder with your desired full address to the backup repository. For instanc
becomes
misc/borg.sh ssh://<hetzner_storagebox_username>@u236610.your-storagebox.de:23/~/backup/homedir.archlinux.org::20191127-084357
misc/borg.sh ssh://<hetzner_storagebox_username>@u236610.your-storagebox.de:23/~/backup/homedir.archlinux.org/repo::20191127-084357
A convenience wrapper script is available at `misc/borg.sh` which makes sure you
use the correct keyfile for the given server.
......
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---
backup_hosts:
- host: "ssh://{{ hetzner_storagebox_username }}@u236610.your-storagebox.de:23"
dir: "~/backup/{{ inventory_hostname }}"
- host: "ssh://u236610.your-storagebox.de:23"
dir: "~/repo"
suffix: ""
- host: "ssh://{{ rsync_net_username }}@prio.ch-s012.rsync.net:22"
dir: "~/backup/{{ inventory_hostname }}"
......
......@@ -9,8 +9,17 @@
(?i)password: "{{ hetzner_storagebox_password }}"
delegate_to: localhost
- name: create a home directory for each sub-account
expect:
command: bash -c "echo 'mkdir {{ backup_dir }}/{{ item }}' | sftp -P 23 {{ hetzner_storagebox_username }}@{{ inventory_hostname }}"
responses:
(?i)password: "{{ hetzner_storagebox_password }}"
delegate_to: localhost
loop: "{{ backup_clients }}"
- name: fetch ssh keys from each borg client machine
command: cat /root/.ssh/id_rsa.pub
check_mode: false
register: client_ssh_keys
delegate_to: "{{ item }}"
with_items: "{{ backup_clients }}"
......@@ -19,16 +28,81 @@
- name: create tempfile
tempfile: state=file
check_mode: false
register: tempfile
delegate_to: localhost
- name: fill tempfile
copy: content="{{ lookup('template', 'authorized_keys.j2') }}" dest="{{ tempfile.path }}" mode=preserve
delegate_to: localhost
no_log: true
- name: upload authorized_keys file
- name: upload authorized_keys for Arch DevOps
expect:
command: bash -c "echo -e 'mkdir .ssh \n chmod 700 .ssh \n put {{ tempfile.path }} .ssh/authorized_keys \n chmod 600 .ssh/authorized_keys' | sftp -P 23 {{ hetzner_storagebox_username }}@{{ inventory_hostname }}"
responses:
(?i)password: "{{ hetzner_storagebox_password }}"
delegate_to: localhost
- name: upload authorized_keys for each backup client
include_tasks: upload_client_authorized_keys.yml
loop: "{{ client_ssh_keys.results }}"
loop_control:
label: "{{ item.item }}"
- name: retrieve sub-account information
uri:
url: https://robot-ws.your-server.de/storagebox/{{ hetzner_storagebox_id }}/subaccount
user: "{{ hetzner_webservice_username }}"
password: "{{ hetzner_webservice_password }}"
delegate_to: localhost
check_mode: false
register: subaccounts_raw
no_log: true
- name: get list of sub-accounts
set_fact:
subaccounts: "{{ subaccounts_raw.json | json_query('[].subaccount') }}"
- name: create missing sub-accounts
uri:
timeout: 60
url: https://robot-ws.your-server.de/storagebox/{{ hetzner_storagebox_id }}/subaccount
user: "{{ hetzner_webservice_username }}"
password: "{{ hetzner_webservice_password }}"
method: POST
body_format: form-urlencoded
body:
homedirectory: "{{ backup_dir }}/{{ item }}"
comment: "{{ item }}"
ssh: "true"
delegate_to: localhost
loop: "{{ backup_clients | difference(subaccounts | json_query('[].comment')) }}"
register: new_subaccounts_raw
no_log: true
- name: update list of sub-accounts
set_fact:
subaccounts: "{{ subaccounts + [item.json.subaccount | combine({'comment': item.invocation.module_args.body.comment})] }}"
loop: "{{ new_subaccounts_raw.results }}"
loop_control:
label: "{{ item.invocation.module_args.body.comment }}"
- name: match usernames to backup clients
set_fact:
backup_client_usernames: "{{ backup_client_usernames|default({}) | combine({item.comment: item.username}) }}"
loop: "{{ subaccounts }}"
loop_control:
label: "{{ {item.comment: item.username} }}"
- name: configure ssh on backup clients
blockinfile:
path: /root/.ssh/config
create: true
mode: 0600
block: |
Host {{ inventory_hostname }}
User {{ backup_client_usernames[item] }}
marker: '# {mark} HETZNER STORAGE BOX BACKUP CLIENT CONFIG'
delegate_to: "{{ item }}"
loop: "{{ backup_clients }}"
---
- name: fill tempfile
copy: content="{{ lookup('template', 'authorized_keys_client.j2') }}" dest="{{ tempfile.path }}" mode=preserve
delegate_to: localhost
no_log: true
- name: upload authorized_keys file to {{ backup_dir }}/{{ item.item }}
expect:
command: bash -c "echo -e 'mkdir {{ backup_dir }}/{{ item.item }}/.ssh \n chmod 700 {{ backup_dir }}/{{ item.item }}/.ssh \n put {{ tempfile.path }} {{ backup_dir }}/{{ item.item }}/.ssh/authorized_keys \n chmod 600 {{ backup_dir }}/{{ item.item }}/.ssh/authorized_keys' | sftp -P 23 {{ hetzner_storagebox_username }}@{{ inventory_hostname }}"
responses:
(?i)password: "{{ hetzner_storagebox_password }}"
delegate_to: localhost
......@@ -10,8 +10,3 @@
{% endif %}
{% endif %}
{% endfor %}
# Client machines keys
{% for client_key in client_ssh_keys.results %}
command="borg serve --restrict-to-path {{ backup_dir }}/{{ client_key['item'] }}",restrict {{ client_key['stdout'] }}
{% endfor %}
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