From 7d58de98d999fb893cd98927a8c17b2542e81c29 Mon Sep 17 00:00:00 2001
From: Tuan-Dat Tran <tuan-dat.tran@tudattr.dev>
Date: Tue, 8 Oct 2024 04:13:38 +0200
Subject: [PATCH] Added storage nodes for k3s

Signed-off-by: Tuan-Dat Tran <tuan-dat.tran@tudattr.dev>
---
 group_vars/k3s/vars.yml                  |   2 +-
 host_vars/k3s-agent00.yml                |   2 +-
 host_vars/k3s-agent01.yml                |   2 +-
 host_vars/k3s-agent02.yml                |   2 +-
 host_vars/k3s-longhorn00.yml             |  10 +++
 host_vars/k3s-longhorn01.yml             |  10 +++
 host_vars/k3s-longhorn02.yml             |  10 +++
 host_vars/k3s-server02.yml               |   2 +-
 k3s-storage.yml                          |  31 +++++++
 production                               |  14 +++
 roles/common/files/bash/bashrc           |  37 ++++----
 roles/common/tasks/bash.yml              |   6 +-
 roles/common/tasks/hostname.yml          |   4 +-
 roles/common/tasks/main.yml              |  15 ++--
 roles/common/tasks/packages.yml          |  14 +--
 roles/common/tasks/sshd.yml              |   8 +-
 roles/common/templates/ssh/sshd_config   | 106 -----------------------
 roles/k3s_server/tasks/installation.yml  |   8 +-
 roles/k3s_storage/handlers/main.yml      |   6 ++
 roles/k3s_storage/tasks/installation.yml |  22 +++++
 roles/k3s_storage/tasks/main.yml         |   2 +
 scripts/create_secret_skeleton.sh        |   2 +-
 secrets.yml.skeleton                     |  18 +++-
 23 files changed, 176 insertions(+), 157 deletions(-)
 create mode 100644 host_vars/k3s-longhorn00.yml
 create mode 100644 host_vars/k3s-longhorn01.yml
 create mode 100644 host_vars/k3s-longhorn02.yml
 create mode 100644 k3s-storage.yml
 create mode 100644 roles/k3s_storage/handlers/main.yml
 create mode 100644 roles/k3s_storage/tasks/installation.yml
 create mode 100644 roles/k3s_storage/tasks/main.yml

diff --git a/group_vars/k3s/vars.yml b/group_vars/k3s/vars.yml
index 2837ee0..ca4888d 100644
--- a/group_vars/k3s/vars.yml
+++ b/group_vars/k3s/vars.yml
@@ -3,7 +3,7 @@ db:
     user: "postgres"
   name: "k3s"
   user: "k3s"
-  password: "{{ vault.k3s.db.password }}"
+  password: "{{ vault.k3s.postgres.db.password }}"
   listen_address: "{{ k3s.db.ip }}"
 
 k3s:
diff --git a/host_vars/k3s-agent00.yml b/host_vars/k3s-agent00.yml
index ecb0252..f01b1ed 100644
--- a/host_vars/k3s-agent00.yml
+++ b/host_vars/k3s-agent00.yml
@@ -3,7 +3,7 @@ ansible_user: "{{ user }}"
 ansible_host: 192.168.20.25
 ansible_port: 22
 ansible_ssh_private_key_file: "{{ pk_path }}"
-ansible_become_pass: "{{ vault.k3s.server01.sudo }}"
+ansible_become_pass: "{{ vault.k3s.agent00.sudo }}"
 
 host:
   hostname: "k3s-agent00"
diff --git a/host_vars/k3s-agent01.yml b/host_vars/k3s-agent01.yml
index 818ce7f..3134d13 100644
--- a/host_vars/k3s-agent01.yml
+++ b/host_vars/k3s-agent01.yml
@@ -3,7 +3,7 @@ ansible_user: "{{ user }}"
 ansible_host: 192.168.20.26
 ansible_port: 22
 ansible_ssh_private_key_file: "{{ pk_path }}"
-ansible_become_pass: "{{ vault.k3s.server01.sudo }}"
+ansible_become_pass: "{{ vault.k3s.agent01.sudo }}"
 
 host:
   hostname: "k3s-agent01"
diff --git a/host_vars/k3s-agent02.yml b/host_vars/k3s-agent02.yml
index 04d5110..de1d865 100644
--- a/host_vars/k3s-agent02.yml
+++ b/host_vars/k3s-agent02.yml
@@ -3,7 +3,7 @@ ansible_user: "{{ user }}"
 ansible_host: 192.168.20.27
 ansible_port: 22
 ansible_ssh_private_key_file: "{{ pk_path }}"
-ansible_become_pass: "{{ vault.k3s.server01.sudo }}"
+ansible_become_pass: "{{ vault.k3s.agent02.sudo }}"
 
 host:
   hostname: "k3s-agent02"
diff --git a/host_vars/k3s-longhorn00.yml b/host_vars/k3s-longhorn00.yml
new file mode 100644
index 0000000..a13f2e5
--- /dev/null
+++ b/host_vars/k3s-longhorn00.yml
@@ -0,0 +1,10 @@
+---
+ansible_user: "{{ user }}"
+ansible_host: 192.168.20.32
+ansible_port: 22
+ansible_ssh_private_key_file: "{{ pk_path }}"
+ansible_become_pass: "{{ vault.k3s.longhorn00.sudo }}"
+
+host:
+  hostname: "k3s-longhorn00"
+  ip: "{{ ansible_host }}"
diff --git a/host_vars/k3s-longhorn01.yml b/host_vars/k3s-longhorn01.yml
new file mode 100644
index 0000000..fc3688e
--- /dev/null
+++ b/host_vars/k3s-longhorn01.yml
@@ -0,0 +1,10 @@
+---
+ansible_user: "{{ user }}"
+ansible_host: 192.168.20.33
+ansible_port: 22
+ansible_ssh_private_key_file: "{{ pk_path }}"
+ansible_become_pass: "{{ vault.k3s.longhorn01.sudo }}"
+
+host:
+  hostname: "k3s-longhorn01"
+  ip: "{{ ansible_host }}"
diff --git a/host_vars/k3s-longhorn02.yml b/host_vars/k3s-longhorn02.yml
new file mode 100644
index 0000000..d7cd263
--- /dev/null
+++ b/host_vars/k3s-longhorn02.yml
@@ -0,0 +1,10 @@
+---
+ansible_user: "{{ user }}"
+ansible_host: 192.168.20.31
+ansible_port: 22
+ansible_ssh_private_key_file: "{{ pk_path }}"
+ansible_become_pass: "{{ vault.k3s.longhorn02.sudo }}"
+
+host:
+  hostname: "k3s-longhorn02"
+  ip: "{{ ansible_host }}"
diff --git a/host_vars/k3s-server02.yml b/host_vars/k3s-server02.yml
index 2ad33d2..93c03c5 100644
--- a/host_vars/k3s-server02.yml
+++ b/host_vars/k3s-server02.yml
@@ -3,7 +3,7 @@ ansible_user: "{{ user }}"
 ansible_host: 192.168.20.30
 ansible_port: 22
 ansible_ssh_private_key_file: "{{ pk_path }}"
-ansible_become_pass: "{{ vault.k3s.server01.sudo }}"
+ansible_become_pass: "{{ vault.k3s.server02.sudo }}"
 
 host:
   hostname: "k3s-server02"
diff --git a/k3s-storage.yml b/k3s-storage.yml
new file mode 100644
index 0000000..60b3621
--- /dev/null
+++ b/k3s-storage.yml
@@ -0,0 +1,31 @@
+- name: Set up storage
+  hosts: k3s_nodes
+  gather_facts: yes
+  vars_files:
+    - secrets.yml
+  pre_tasks:
+    - name: Get K3s token from the first server
+      when: host.ip == k3s.server.ips[0] and inventory_hostname in groups["k3s_server"]
+      slurp:
+        src: /var/lib/rancher/k3s/server/node-token
+      register: k3s_token
+      become: true
+
+    - name: Set fact on k3s.server.ips[0]
+      when: host.ip == k3s.server.ips[0] and inventory_hostname in groups["k3s_server"]
+      set_fact: k3s_token="{{ k3s_token['content'] | b64decode | trim }}"
+
+  roles:
+    - role: common
+      when: inventory_hostname in groups["k3s_storage"]
+      tags:
+        - common
+    - role: k3s_storage
+      when: inventory_hostname in groups["k3s_storage"]
+      k3s_token: "{{ hostvars[(hostvars | dict2items | map(attribute='value') | map('dict2items') | map('selectattr', 'key', 'match', 'host') | map('selectattr', 'value.ip', 'match', k3s.server.ips[0] ) | select() | first | items2dict).host.hostname].k3s_token }}"
+      tags:
+        - k3s_storage
+    - role: node_exporter
+      when: inventory_hostname in groups["k3s_storage"]
+      tags:
+        - node_exporter
diff --git a/production b/production
index 3614d20..9761eb3 100644
--- a/production
+++ b/production
@@ -10,6 +10,9 @@ k3s-server02
 k3s-agent00
 k3s-agent01
 k3s-agent02
+k3s-longhorn00
+k3s-longhorn01
+k3s-longhorn02
 
 [k3s_server]
 k3s-server00
@@ -21,6 +24,11 @@ k3s-agent00
 k3s-agent01
 k3s-agent02
 
+[k3s_storage]
+k3s-longhorn00
+k3s-longhorn01
+k3s-longhorn02
+
 [vm]
 k3s-agent00
 k3s-agent01
@@ -30,6 +38,9 @@ k3s-server01
 k3s-server02
 k3s-postgres
 k3s-loadbalancer
+k3s-longhorn00
+k3s-longhorn01
+k3s-longhorn02
 
 [k3s_nodes]
 k3s-server00
@@ -38,6 +49,9 @@ k3s-server02
 k3s-agent00
 k3s-agent01
 k3s-agent02
+k3s-longhorn00
+k3s-longhorn01
+k3s-longhorn02
 
 [db]
 k3s-postgres
diff --git a/roles/common/files/bash/bashrc b/roles/common/files/bash/bashrc
index 3e5661f..a6458b9 100644
--- a/roles/common/files/bash/bashrc
+++ b/roles/common/files/bash/bashrc
@@ -1,7 +1,7 @@
 export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
 case $- in
-    *i*) ;;
-      *) return;;
+*i*) ;;
+*) return ;;
 esac
 HISTCONTROL=ignoreboth
 shopt -s histappend
@@ -9,39 +9,38 @@ HISTSIZE=1000
 HISTFILESIZE=2000
 shopt -s checkwinsize
 if [ -z "${debian_chroot:-}" ] && [ -r /etc/debian_chroot ]; then
-    debian_chroot=$(cat /etc/debian_chroot)
+  debian_chroot=$(cat /etc/debian_chroot)
 fi
 case "$TERM" in
-    xterm-color|*-256color) color_prompt=yes;;
+xterm-color | *-256color) color_prompt=yes ;;
 esac
 if [ -n "$force_color_prompt" ]; then
-    if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
-	color_prompt=yes
-    else
-	color_prompt=
-    fi
+  if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
+    color_prompt=yes
+  else
+    color_prompt=
+  fi
 fi
 if [ "$color_prompt" = yes ]; then
-    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
+  PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
 else
-    PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
+  PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
 fi
 unset color_prompt force_color_prompt
 case "$TERM" in
-xterm*|rxvt*)
-    PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"
-    ;;
-*)
-    ;;
+xterm* | rxvt*)
+  PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"
+  ;;
+*) ;;
 esac
 
 if [ -x /usr/bin/dircolors ]; then
-    test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
-    alias ls='ls --color=auto'
+  test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
+  alias ls='ls --color=auto'
 fi
 
 if [ -f ~/.bash_aliases ]; then
-    . ~/.bash_aliases
+  . ~/.bash_aliases
 fi
 
 if ! shopt -oq posix; then
diff --git a/roles/common/tasks/bash.yml b/roles/common/tasks/bash.yml
index 1e2d442..8428a1a 100644
--- a/roles/common/tasks/bash.yml
+++ b/roles/common/tasks/bash.yml
@@ -1,9 +1,9 @@
 ---
 - name: Copy .bashrc
-  template:
+  ansible.builtin.template:
     src: files/bash/bashrc
     dest: "/home/{{ user }}/.bashrc"
     owner: "{{ user }}"
     group: "{{ user }}"
-    mode: 0644
-  become: yes
+    mode: "644"
+  become: true
diff --git a/roles/common/tasks/hostname.yml b/roles/common/tasks/hostname.yml
index 4db114d..0ab30a8 100644
--- a/roles/common/tasks/hostname.yml
+++ b/roles/common/tasks/hostname.yml
@@ -5,10 +5,10 @@
   become: true
 
 - name: Update /etc/hosts to reflect the new hostname
-  lineinfile:
+  ansible.builtin.lineinfile:
     path: /etc/hosts
     regexp: '^127\.0\.1\.1'
     line: "127.0.1.1 {{ host.hostname }}"
     state: present
-    backup: yes
+    backup: true
   become: true
diff --git a/roles/common/tasks/main.yml b/roles/common/tasks/main.yml
index fe0425b..c4a8c24 100644
--- a/roles/common/tasks/main.yml
+++ b/roles/common/tasks/main.yml
@@ -1,6 +1,11 @@
 ---
-- include_tasks: time.yml
-- include_tasks: hostname.yml
-- include_tasks: packages.yml
-- include_tasks: bash.yml
-- include_tasks: sshd.yml
+- name: Configure Time
+  ansible.builtin.include_tasks: time.yml
+- name: Configure Hostname
+  ansible.builtin.include_tasks: hostname.yml
+- name: Configure Packages
+  ansible.builtin.include_tasks: packages.yml
+- name: Configure Bash
+  ansible.builtin.include_tasks: bash.yml
+- name: Configure SSH
+  ansible.builtin.include_tasks: sshd.yml
diff --git a/roles/common/tasks/packages.yml b/roles/common/tasks/packages.yml
index 48c8908..9b2884f 100644
--- a/roles/common/tasks/packages.yml
+++ b/roles/common/tasks/packages.yml
@@ -1,13 +1,13 @@
 ---
 - name: Update and upgrade packages
-  apt:
-    update_cache: yes
-    upgrade: yes
-    autoremove: yes
-  become: yes
+  ansible.builtin.apt:
+    update_cache: true
+    upgrade: true
+    autoremove: true
+  become: true
 
 - name: Install extra packages
-  apt:
+  ansible.builtin.apt:
     name: "{{ common_packages }}"
     state: present
-  become: yes
+  become: true
diff --git a/roles/common/tasks/sshd.yml b/roles/common/tasks/sshd.yml
index d1bc4ad..ff28064 100644
--- a/roles/common/tasks/sshd.yml
+++ b/roles/common/tasks/sshd.yml
@@ -1,15 +1,15 @@
 ---
 - name: Copy sshd_config
-  template:
+  ansible.builtin.template:
     src: templates/ssh/sshd_config
     dest: /etc/ssh/sshd_config
-    mode: 0644
+    mode: "644"
   notify:
     - Restart sshd
-  become: yes
+  become: true
 
 - name: Copy pubkey
-  copy:
+  ansible.builtin.copy:
     content: "{{ pubkey }}"
     dest: "/home/{{ user }}/.ssh/authorized_keys"
     owner: "{{ user }}"
diff --git a/roles/common/templates/ssh/sshd_config b/roles/common/templates/ssh/sshd_config
index 4e39082..172784e 100644
--- a/roles/common/templates/ssh/sshd_config
+++ b/roles/common/templates/ssh/sshd_config
@@ -1,124 +1,18 @@
-#	$OpenBSD: sshd_config,v 1.103 2018/04/09 20:41:22 tj Exp $
-
-# This is the sshd server system-wide configuration file.  See
-# sshd_config(5) for more information.
-
-# This sshd was compiled with PATH=/usr/bin:/bin:/usr/sbin:/sbin
-
-# The strategy used for options in the default sshd_config shipped with
-# OpenSSH is to specify options with their default value where
-# possible, but leave them commented.  Uncommented options override the
-# default value.
-
 Include /etc/ssh/sshd_config.d/*.conf
-
 Protocol 2
-#Port 22
-#AddressFamily any
-#ListenAddress 0.0.0.0
-#ListenAddress ::
-
-#HostKey /etc/ssh/ssh_host_rsa_key
-#HostKey /etc/ssh/ssh_host_ecdsa_key
-#HostKey /etc/ssh/ssh_host_ed25519_key
-
-# Ciphers and keying
-#RekeyLimit default none
-
-# Logging
-#SyslogFacility AUTH
-#LogLevel INFO
-
-# Authentication:
-
-#LoginGraceTime 2m
 PermitRootLogin no
-#StrictModes yes
 MaxAuthTries 3
-#MaxSessions 10
-
 PubkeyAuthentication yes
-
-# Expect .ssh/authorized_keys2 to be disregarded by default in future.
-#AuthorizedKeysFile	.ssh/authorized_keys .ssh/authorized_keys2
-
-#AuthorizedPrincipalsFile none
-
-#AuthorizedKeysCommand none
-#AuthorizedKeysCommandUser nobody
-
-# For this to work you will also need host keys in /etc/ssh/ssh_known_hosts
-#HostbasedAuthentication no
-# Change to yes if you don't trust ~/.ssh/known_hosts for
-# HostbasedAuthentication
-#IgnoreUserKnownHosts no
-# Don't read the user's ~/.rhosts and ~/.shosts files
-#IgnoreRhosts yes
-
-# To disable tunneled clear text passwords, change to no here!
 PasswordAuthentication no
 PermitEmptyPasswords no
-
-# Change to yes to enable challenge-response passwords (beware issues with
-# some PAM modules and threads)
 ChallengeResponseAuthentication no
-
-# Kerberos options
-#KerberosAuthentication no
-#KerberosOrLocalPasswd yes
-#KerberosTicketCleanup yes
-#KerberosGetAFSToken no
-
-# GSSAPI options
-#GSSAPIAuthentication no
-#GSSAPICleanupCredentials yes
-#GSSAPIStrictAcceptorCheck yes
-#GSSAPIKeyExchange no
-
-# Set this to 'yes' to enable PAM authentication, account processing,
-# and session processing. If this is enabled, PAM authentication will
-# be allowed through the ChallengeResponseAuthentication and
-# PasswordAuthentication.  Depending on your PAM configuration,
-# PAM authentication via ChallengeResponseAuthentication may bypass
-# the setting of "PermitRootLogin without-password".
-# If you just want the PAM account and session checks to run without
-# PAM authentication, then enable this but set PasswordAuthentication
-# and ChallengeResponseAuthentication to 'no'.
 UsePAM yes
-
 AllowAgentForwarding no
 AllowTcpForwarding no
-#GatewayPorts no
 X11Forwarding no
-#X11DisplayOffset 10
-#X11UseLocalhost yes
-#PermitTTY yes
 PrintMotd no
-#PrintLastLog yes
 TCPKeepAlive no
-#PermitUserEnvironment no
-#Compression delayed
-#ClientAliveInterval 0
 ClientAliveCountMax 2
 UseDNS yes
-#PidFile /var/run/sshd.pid
-#MaxStartups 10:30:100
-#PermitTunnel no
-#ChrootDirectory none
-#VersionAddendum none
-
-# no default banner path
-#Banner none
-
-# Allow client to pass locale environment variables
 AcceptEnv LANG LC_*
-
-# override default of no subsystems
 Subsystem	sftp	/usr/lib/openssh/sftp-server
-
-# Example of overriding settings on a per-user basis
-#Match User anoncvs
-#	X11Forwarding no
-#	AllowTcpForwarding no
-#	PermitTTY no
-#	ForceCommand cvs server
diff --git a/roles/k3s_server/tasks/installation.yml b/roles/k3s_server/tasks/installation.yml
index 3f20ba4..ad28e77 100644
--- a/roles/k3s_server/tasks/installation.yml
+++ b/roles/k3s_server/tasks/installation.yml
@@ -1,6 +1,6 @@
 ---
 - name: See if k3s file exists
-  stat:
+  ansible.builtin.stat:
     path: /usr/local/bin/k3s
   register: k3s_status
 
@@ -13,7 +13,7 @@
 
 - name: Install K3s server with node taint and TLS SAN
   when: (host.ip == k3s.server.ips[0] and (not k3s_status.stat.exists))
-  command: |
+  ansible.builtin.command: |
     /tmp/k3s_install.sh server \
     --node-taint CriticalAddonsOnly=true:NoExecute \
     --tls-san {{ k3s.loadbalancer.ip }}
@@ -43,11 +43,11 @@
 
 - name: Set fact on k3s.server.ips[0]
   when: host.ip == k3s.server.ips[0]
-  set_fact: k3s_token="{{ k3s_token['content'] | b64decode | trim }}"
+  ansible.builtin.set_fact: k3s_token="{{ k3s_token['content'] | b64decode | trim }}"
 
 - name: Install K3s on the secondary servers
   when: (host.ip != k3s.server.ips[0] and (not k3s_status.stat.exists))
-  command: |
+  ansible.builtin.command: |
     /tmp/k3s_install.sh server \
     --node-taint CriticalAddonsOnly=true:NoExecute \
     --tls-san {{ k3s.loadbalancer.ip }}
diff --git a/roles/k3s_storage/handlers/main.yml b/roles/k3s_storage/handlers/main.yml
new file mode 100644
index 0000000..1300aee
--- /dev/null
+++ b/roles/k3s_storage/handlers/main.yml
@@ -0,0 +1,6 @@
+---
+- name: Restart k3s
+  service:
+    name: k3s
+    state: restarted
+  become: yes
diff --git a/roles/k3s_storage/tasks/installation.yml b/roles/k3s_storage/tasks/installation.yml
new file mode 100644
index 0000000..5407071
--- /dev/null
+++ b/roles/k3s_storage/tasks/installation.yml
@@ -0,0 +1,22 @@
+---
+- name: See if k3s file exists
+  ansible.builtin.stat:
+    path: /usr/local/bin/k3s
+  register: k3s_status
+
+- name: Download K3s install script to /tmp/
+  when: not k3s_status.stat.exists
+  ansible.builtin.get_url:
+    url: https://get.k3s.io
+    dest: /tmp/k3s_install.sh
+    mode: "0755"
+
+- name: Install K3s on the secondary servers with longhorn affinity
+  when: not k3s_status.stat.exists
+  ansible.builtin.command: |
+    /tmp/k3s_install.sh \
+    --node-label longhorn=true
+  environment:
+    K3S_URL: "https://{{ k3s.loadbalancer.ip }}:{{ k3s.loadbalancer.default_port }}"
+    K3S_TOKEN: "{{ k3s_token }}"
+  become: true
diff --git a/roles/k3s_storage/tasks/main.yml b/roles/k3s_storage/tasks/main.yml
new file mode 100644
index 0000000..fc446ac
--- /dev/null
+++ b/roles/k3s_storage/tasks/main.yml
@@ -0,0 +1,2 @@
+---
+- include_tasks: installation.yml
diff --git a/scripts/create_secret_skeleton.sh b/scripts/create_secret_skeleton.sh
index a9e7336..316cd80 100755
--- a/scripts/create_secret_skeleton.sh
+++ b/scripts/create_secret_skeleton.sh
@@ -1,3 +1,3 @@
 #!/bin/bash
 
-ansible-vault view secrets.yml | sed "s/: \w\+$/: ......../g" >>secrets.yml.skeleton
+ansible-vault view secrets.yml | sed "s/: [a-zA-Z0-9!\"]\+/: ......../" >secrets.yml.skeleton
diff --git a/secrets.yml.skeleton b/secrets.yml.skeleton
index 69d2d77..7bb75d9 100644
--- a/secrets.yml.skeleton
+++ b/secrets.yml.skeleton
@@ -1,4 +1,20 @@
 vault:
   k3s:
-    server:
+    server00:
       sudo: ........
+    server01:
+      sudo: ........
+    server02:
+      sudo: ........
+    agent00:
+      sudo: ........
+    agent01:
+      sudo: ........
+    agent02:
+      sudo: ........
+    loadbalancer:
+      sudo: ........
+    postgres:
+      sudo: ........
+      db:
+        password: ........