docs: rewrite README with structured overview and quick start guide

Replaces the minimal project description with a comprehensive README
including a component overview table, quick start instructions, common
Ansible operations, and links to detailed documentation. Aligns with
Red Panda Approval™ standards.
This commit is contained in:
2026-03-03 12:49:06 +00:00
parent c7be03a743
commit b4d60f2f38
219 changed files with 34586 additions and 2 deletions

22
ansible/kernos/.env.j2 Normal file
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# Kernos Environment Configuration
# HTTP-enabled MCP shell server using FastMCP
# ============================================================================
# Server Configuration
# ============================================================================
HOST={{ kernos_host | default('0.0.0.0') }}
PORT={{ kernos_port }}
# ============================================================================
# Logging Configuration
# ============================================================================
LOG_FORMAT={{ kernos_log_format | default('json') }}
LOG_LEVEL={{ kernos_log_level | default('INFO') }}
ENVIRONMENT={{ kernos_environment | default('production') }}
# ============================================================================
# Security Configuration
# ============================================================================
# Comma-separated whitelist of allowed commands
# Commands after shell operators (;, &&, ||, |) are also validated
ALLOW_COMMANDS={{ kernos_allow_commands }}

180
ansible/kernos/deploy.yml Normal file
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---
- name: Deploy Kernos MCP Shell Server
hosts: kernos
vars:
ansible_common_remote_group: "{{kernos_group}}"
allow_world_readable_tmpfiles: true
tasks:
- name: Create Kernos group
become: true
ansible.builtin.group:
name: "{{kernos_group}}"
state: present
- name: Create kernos user
become: true
ansible.builtin.user:
name: "{{kernos_user}}"
group: "{{kernos_group}}"
home: "/home/{{kernos_user}}"
shell: /bin/bash
system: false
create_home: true
- name: Add remote_user to kernos group
become: true
ansible.builtin.user:
name: "{{remote_user}}"
groups: "{{kernos_group}}"
append: true
- name: Reset connection to pick up new group membership
ansible.builtin.meta: reset_connection
- name: Create required directories
become: true
ansible.builtin.file:
path: "{{kernos_directory}}"
owner: "{{kernos_user}}"
group: "{{kernos_group}}"
state: directory
mode: '750'
- name: Ensure tar is installed for unarchive task
become: true
ansible.builtin.apt:
name:
- tar
state: present
update_cache: true
- name: Ensure Python, Python Dev, Venv module is installed
become: true
ansible.builtin.apt:
name: [python3, python3-venv, python3-dev]
state: present
update_cache: true
- name: Transfer and unarchive git archive
become: true
ansible.builtin.unarchive:
src: "~/rel/kernos_{{kernos_rel}}.tar"
dest: "{{kernos_directory}}"
owner: "{{kernos_user}}"
group: "{{kernos_group}}"
mode: '550'
notify: restart kernos
- name: Ensure venv directory ownership is correct
become: true
ansible.builtin.file:
path: "{{kernos_directory}}/.venv"
owner: "{{kernos_user}}"
group: "{{kernos_group}}"
state: directory
recurse: true
when: ansible_facts['file'] is defined or true
- name: Create virtual environment for Kernos
become: true
become_user: "{{kernos_user}}"
ansible.builtin.command:
cmd: "python3 -m venv {{kernos_directory}}/.venv/"
creates: "{{kernos_directory}}/.venv/bin/activate"
- name: Install wheel in virtual environment
become: true
become_user: "{{kernos_user}}"
ansible.builtin.pip:
name:
- wheel
state: latest
virtualenv: "{{kernos_directory}}/.venv"
- name: Install pyproject.toml dependencies in virtualenv
become: true
become_user: "{{kernos_user}}"
ansible.builtin.pip:
chdir: "{{kernos_directory}}"
name: .
virtualenv: "{{kernos_directory}}/.venv"
virtualenv_command: python3 -m venv
notify: restart kernos
- name: Template Kernos .env configuration
become: true
ansible.builtin.template:
src: .env.j2
dest: "{{kernos_directory}}/.env"
owner: "{{kernos_user}}"
group: "{{kernos_group}}"
mode: '640'
notify: restart kernos
- name: Template systemd service file
become: true
ansible.builtin.template:
src: kernos.service.j2
dest: /etc/systemd/system/kernos.service
owner: root
group: root
mode: '644'
notify: restart kernos
- name: Enable and start kernos service
become: true
ansible.builtin.systemd:
name: kernos
enabled: true
state: started
daemon_reload: true
- name: Flush handlers to restart service before validation
ansible.builtin.meta: flush_handlers
- name: Validate Kernos liveness endpoint
ansible.builtin.uri:
url: "http://localhost:{{kernos_port}}/live"
status_code: 200
return_content: true
register: live_check
retries: 5
delay: 5
until: live_check.status == 200
- name: Validate Kernos readiness endpoint
ansible.builtin.uri:
url: "http://localhost:{{kernos_port}}/ready"
status_code: 200
return_content: true
register: ready_check
retries: 5
delay: 5
until: ready_check.status == 200
- name: Validate Kernos health endpoint
ansible.builtin.uri:
url: "http://localhost:{{kernos_port}}/health"
status_code: 200
return_content: true
register: health_check
retries: 5
delay: 5
until: health_check.status == 200
- name: Validate Kernos /metrics endpoint
ansible.builtin.uri:
url: "http://localhost:{{kernos_port}}/metrics"
status_code: 200
return_content: false
register: metrics_check
retries: 5
delay: 5
until: metrics_check.status == 200
handlers:
- name: restart kernos
become: true
ansible.builtin.systemd:
name: kernos
state: restarted

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[Unit]
Description=Kernos MCP Server
After=network.target
[Service]
Type=simple
User=nobody
Group=nogroup
WorkingDirectory=/srv/kernos
ExecStart=/srv/kernos/.venv/bin/kernos
EnvironmentFile=/srv/kernos/.env
Restart=on-failure
RestartSec=5
# Security hardening
NoNewPrivileges=true
ProtectSystem=strict
ProtectHome=read-only
PrivateTmp=false
ReadWritePaths=/
[Install]
WantedBy=multi-user.target

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[Unit]
Description=Kernos MCP Server
After=network.target
[Service]
Type=simple
User={{kernos_user}}
Group={{kernos_group}}
WorkingDirectory={{kernos_directory}}
ExecStart={{kernos_directory}}/.venv/bin/kernos
EnvironmentFile={{kernos_directory}}/.env
Restart=on-failure
RestartSec=5
# Security hardening
NoNewPrivileges=false
ProtectSystem=false
ProtectHome=false
PrivateTmp=false
ReadWritePaths=/
[Install]
WantedBy=multi-user.target

47
ansible/kernos/stage.yml Normal file
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---
- name: Stage Kernos release tarball
hosts: localhost
gather_facts: false
vars:
archive_path: "{{rel_dir}}/kernos_{{kernos_rel}}.tar"
kernos_repo_url: "ssh://robert@clio.helu.ca:18677/mnt/dev/kernos"
kernos_repo_dir: "{{repo_dir}}/kernos"
tasks:
- name: Ensure release directory exists
file:
path: "{{rel_dir}}"
state: directory
mode: '755'
- name: Ensure repo directory exists
file:
path: "{{repo_dir}}"
state: directory
mode: '755'
- name: Clone Kernos repository if not present
ansible.builtin.git:
repo: "{{kernos_repo_url}}"
dest: "{{kernos_repo_dir}}"
version: "{{kernos_rel}}"
accept_hostkey: true
register: git_clone
ignore_errors: true
- name: Fetch all remote branches and tags
ansible.builtin.command: git fetch --all
args:
chdir: "{{kernos_repo_dir}}"
when: git_clone is not changed
- name: Pull latest changes
ansible.builtin.command: git pull
args:
chdir: "{{kernos_repo_dir}}"
when: git_clone is not changed
- name: Create Kernos archive for specified release
ansible.builtin.command: git archive -o "{{archive_path}}" "{{kernos_rel}}"
args:
chdir: "{{kernos_repo_dir}}"