Seeding Aether

roles/Aether/README.md

@@ -0,0 +1,7 @@
+See [AniNIX/Aether](/AniNIX/Aether) for complete details of the tool.
+
+Role requirements:
+ * `secrets['Aether']` in Vault
+ * A YAML list of nodes under the key `Aether_nodes` in Vault
+ * A host called 'Core' to act as the source
+ * 22/tcp/sftp access through firewalls to the Core host from any clients

roles/Aether/files/backup-entries/Yggdrasil/gitea.backup.script

@@ -0,0 +1,3 @@
+#!/bin/bash
+### Gitea ###
+tar cvzf "$BACKUPDIR"/gitea.tgz /var/lib/gitea/data

roles/Aether/files/backup-entries/Yggdrasil/grimoire.backup.script

@@ -0,0 +1,3 @@
+#!/bin/bash
+### Grimoire ###
+sudo -u postgres pg_dumpall > "$BACKUPDIR"/grimoire.sql

roles/Aether/files/backup-entries/Yggdrasil/irc.backup.script

@@ -0,0 +1,3 @@
+#!/bin/bash
+### IRC Services ###
+cp /opt/anope/data/anope.db "$BACKUPDIR"

roles/Aether/files/backup-entries/Yggdrasil/wiki.backup.script

@@ -0,0 +1,9 @@
+#!/bin/bash
+### Wiki ###
+mkdir "$BACKUPDIR"/wiki/
+for i in `find /usr/share/webapps/ -maxdepth 1 -type d | grep mediawiki`; do
+    foldername="$(echo "$i" | rev | cut -f 1 -d '/' | rev)"
+    dbname="$(grep '^\$wgDBname' "$i"/LocalSettings.php | cut -f 2 -d \")"
+    $BACKUPCMD "${i}"/LocalSettings.php "$BACKUPDIR"/wiki/"$foldername"-localsettings.php
+    sudo -u postgres pg_dump "$dbname" > "$BACKUPDIR"/wiki/"$dbname".psql
+done

roles/Aether/files/backup-entries/Yggdrasil/yggdrasil.backup.script

@@ -0,0 +1,3 @@
+#!/bin/bash
+### Yggdrasil -- File & SHA list only for space reasons ###
+cp /srv/yggdrasil/library.sha256 "$BACKUPDIR"/yggdrasil.library.sha256

roles/Aether/files/yggdrasil-check.conf

@@ -0,0 +1,146 @@
+# Example configuration file for AIDE.
+# More information about configuration options available in the aide.conf manpage.
+@@define DBDIR /var/lib/aide
+@@define LOGDIR /var/log/aide
+
+# The location of the database to be read.
+database_in=file:@@{DBDIR}/aide.db.gz
+
+# The location of the database to be written.
+#database_out=sql:host:port:database:login_name:passwd:table
+#database_out=file:aide.db.new
+database_out=file:@@{DBDIR}/aide.db.new.gz
+
+# Whether to gzip the output to database
+gzip_dbout=yes
+
+# Default.
+log_level=warning
+report_level=changed_attributes
+
+report_url=file:@@{LOGDIR}/aide.log
+report_url=stdout
+#report_url=stderr
+#
+# Here are all the attributes we can check
+#p:       permissions
+#i:       inode
+#n:       number of links
+#l:       link name
+#u:       user
+#g:       group
+#s:       size
+###b:        block count
+#m:       mtime
+#a:       atime
+#c:       ctime
+#S:       check for growing size
+#I:       ignore changed filename
+#ANF:     allow new files
+#ARF:     allow removed files
+#
+
+# Here are all the digests we can use
+#md5:           md5 checksum
+#sha1:          sha1 checksum
+#sha256:        sha256 checksum
+#sha512:        sha512 checksum
+#rmd160:        rmd160 checksum
+#tiger:         tiger checksum
+#haval:         haval checksum
+#crc32:         crc32 checksum
+#gost:          gost checksum
+#whirlpool:     whirlpool checksum
+
+# These are the default rules
+#R:             p+i+l+n+u+g+s+m+c+md5
+#L:             p+i+l+n+u+g
+#E:             Empty group
+#>:             Growing logfile p+l+u+g+i+n+S
+
+# You can create custom rules - my home made rule definition goes like this
+ALLXTRAHASHES = sha1+rmd160+sha256+sha512+whirlpool+tiger+haval+gost+crc32
+ALLXTRAHASHES = sha1+rmd160+sha256+sha512+tiger
+# Everything but access time (Ie. all changes)
+EVERYTHING = R+ALLXTRAHASHES
+
+# Sane, with multiple hashes
+# NORMAL = R+rmd160+sha256+whirlpool
+NORMAL = R+rmd160+sha256
+
+# For directories, don't bother doing hashes
+DIR = p+i+n+u+g+acl+xattrs
+
+# Access control only
+PERMS = p+i+u+g+acl
+
+# Logfile are special, in that they often change
+LOG = >
+
+# Just do md5 and sha256 hashes
+LSPP = R+sha256
+
+# Some files get updated automatically, so the inode/ctime/mtime change
+# but we want to know when the data inside them changes
+DATAONLY =  p+n+u+g+s+acl+xattrs+md5+sha256+rmd160+tiger
+
+
+# Next decide what directories/files you want in the database.
+
+/boot   NORMAL
+/bin    NORMAL
+/sbin   NORMAL
+/lib    NORMAL
+/lib64  NORMAL
+/opt    NORMAL
+/usr    NORMAL
+/root   NORMAL
+# These are too volatile
+!/usr/src
+!/usr/tmp
+
+# Check only permissions, inode, user and group for /etc, but
+# cover some important files closely.
+/etc    PERMS
+!/etc/mtab
+# Ignore backup files
+!/etc/.*~
+/etc/exports  NORMAL
+/etc/fstab    NORMAL
+/etc/passwd   NORMAL
+/etc/group    NORMAL
+/etc/gshadow  NORMAL
+/etc/shadow   NORMAL
+/etc/security/opasswd   NORMAL
+
+/etc/hosts.allow   NORMAL
+/etc/hosts.deny    NORMAL
+
+/etc/sudoers NORMAL
+/etc/skel NORMAL
+
+/etc/logrotate.d NORMAL
+
+/etc/resolv.conf DATAONLY
+
+/etc/nscd.conf NORMAL
+/etc/securetty NORMAL
+
+# Shell/X starting files
+/etc/profile NORMAL
+/etc/bashrc NORMAL
+/etc/bash_completion.d/ NORMAL
+/etc/login.defs NORMAL
+/etc/zprofile NORMAL
+/etc/zshrc NORMAL
+/etc/zlogin NORMAL
+/etc/zlogout NORMAL
+/etc/profile.d/ NORMAL
+/etc/X11/ NORMAL
+
+# Ignore logs
+!/var/lib/pacman/.*
+!/var/cache/.*
+!/var/log/.*
+!/var/run/.*
+!/var/spool/.*

roles/Aether/tasks/client.yml

@@ -0,0 +1,27 @@
+---
+
+ - name: Copy the key
+   become: true
+   copy:
+     dest: /home/aether/.ssh/aether
+     content: "{{ aether_key.stdout }}"
+
+ - name: Copy the public key
+   become: true
+   copy:
+     dest: /home/aether/.ssh/aether.pub
+     content: "{{ aether_key.stdout }}"
+
+ - name: Enable the service
+   become: yes
+   service:
+     name: aether.timer
+     state: enabled
+     running: yes
+
+ - name: Enable the service - 2
+   become: yes
+   service:
+     name: aether-gen.timer
+     state: disabled
+     running: no

roles/Aether/tasks/main.yml

@@ -0,0 +1,64 @@
+---
+
+ - name: Install the package
+   become: true
+   ignore_errors: true
+   package:
+     name: Aether
+     state: present
+
+ - name: Validate the user
+   vars:
+     service_account: aether
+   include_tasks: ../roles/common/service_account.yml
+
+ - name: Ensure the Aether identity is protected.
+   become: true
+   file:
+     path: "{{ item }}"
+     state: directory
+     owner: aether
+     group: aether
+     mode: 0700
+   loop:
+     - /home/aether/.ssh
+     - /usr/local/etc/Aether
+     - /usr/local/etc/Aether/backup-entries
+     - /usr/local/backup
+
+ - name: Ensure the Aether identity exists
+   delegate_to: Core # Core will track the identity that will then be shared to everyone else.
+   become: true
+   command:
+     creates: /home/aether/.ssh/aether
+     chdir: /home/aether/.ssh/
+     cmd: ssh-keygen -t ed25519 -N "" -f ./aether
+
+ - name: Read the Aether identity
+   become: true
+   delegate_to: Core
+   command: cat /home/aether/.ssh/aether
+   register: aether_key
+
+ - name: Read the Aether public identity
+   become: true
+   delegate_to: Core
+   command: cat /home/aether/.ssh/aether.pub
+   register: aether_pubkey
+
+ - include_tasks: source.yml
+   when: "{{ inventory_hostname }} is 'Core'"
+
+ - include_tasks: client.yml
+   when: "{{ inventory_hostname }} is 'Core'"
+
+ - name: Ensure the Aether identity files are protected.
+   become: true
+   file:
+     path: "{{ item }}"
+     owner: aether
+     group: aether
+     mode: 0600
+   loop:
+     - /home/aether/.ssh/aether
+     - /home/aether/.ssh/aether.pub

roles/Aether/tasks/source.yml

@@ -0,0 +1,42 @@
+---
+
+ - name: Copy the backup scripts
+   become: yes
+   copy:
+     src: "backup-entries/{{ inventory_hostname }}"
+     dest: "/usr/local/etc/Aether/backup-entries"
+     owner: aether
+     group: aether
+
+ - name: Seed the backup passphrase
+   become: yes
+   copy:
+     content: "{{ passwords['Aether'] }}"
+     dest: "/usr/local/etc/Aether/pass.txt"
+     owner: aether
+     group: aether
+     mode: 0600
+
+ - name: Enable the generation service
+   become: yes
+   when: "{{ inventory_hostname }} == 'Core'"
+   service:
+     name: aether-gen.timer
+     state: enabled
+     running: yes
+
+ - name: Enable the generation service - 2
+   become: yes
+   when: "{{ inventory_hostname }} == 'Core'"
+   service:
+     name: aether.timer
+     state: disabled
+     running: no
+
+ - name: Set up the authorized_keys
+   template:
+     src: authorized_keys.j2
+     dest: /home/aether/.ssh/authorized_keys
+     mode: 0600
+     owner: aether
+     group: aether