Refactor and enhance Ansible configurations for dev-02 and nginx proxy setup

- Updated host_vars for dev-02 to include login history settings and modified code server authentication.
- Adjusted opencode server configurations and reduced resource allocation.
- Introduced a new playbook for configuring nginx reverse proxy with TLS and OAuth2.
- Enhanced linux_dev_station role defaults and tasks, including package updates and service configurations.
- Removed unnecessary credential assertions in linux_dev_station tasks.
- Created nginx_proxy role with tasks for certbot, nginx installation, and oauth2-proxy setup.
- Added templates for nginx and oauth2-proxy configurations.
- Updated terraform configuration to reflect new DNS records for ide and agent services.
- Documented changes and configurations in linux_dev_station.md for clarity and future reference.

ansible/host_vars/dev-02.lab.alexpires.me.yml

@@ -1,8 +1,10 @@
+---
 hostname: dev-02.lab.alexpires.me
 ansible_user: "{{ lookup('env', 'ANSIBLE_USER') }}"
 ansible_host: "10.19.4.210"
 
 # Users
+login_disable_history: false
 login_users:
   - username: "{{ ansible_user }}"
     comment: "Managed by Ansible"
@@ -26,11 +28,9 @@ linux_dev_station_workspace_dir: "/home/devstation/projects"
 linux_dev_station_scripts_dir: "/home/devstation/scripts"
 linux_dev_station_logs_dir: "/home/devstation/.local/state/logs"
 
-linux_dev_station_code_server_host: "0.0.0.0"
 linux_dev_station_code_server_port: 3000
-linux_dev_station_code_server_auth: "password"
+linux_dev_station_code_server_auth: "none"
 
-linux_dev_station_opencode_server_host: "0.0.0.0"
 linux_dev_station_opencode_server_port: 4096
 linux_dev_station_manage_systemd: true
 linux_dev_station_oh_my_zsh_enabled: true
@@ -88,28 +88,10 @@ linux_dev_station_opencode_config:
         timeout: 3000000
         chunkTimeout: 3000000
       models:
-        gemma-4-12b-q8-0:
-          name: "gemma-4-12b-q8-0"
-        gemma-4-26b-a4b-ud-iq4-xs:
-          name: "gemma-4-26b-a4b-ud-iq4-xs"
-        gemma-4-31b-iq4-xs:
-          name: "gemma-4-31b-iq4-xs"
-        gpt-oss-20b-q4-0:
-          name: "gpt-oss-20b-q4-0"
-        gpt-oss-20b-q8-0:
-          name: "gpt-oss-20b-q8-0"
-        qwen3-5-35b-a3b-q4-k-m:
-          name: "qwen3-5-35b-a3b-q4-k-m"
-        qwen3-5-9b-q8-0:
-          name: "qwen3-5-9b-q8-0"
         qwen3-6-27b-mtp-q4-0:
           name: "qwen3-6-27b-mtp-q4-0"
-        qwen3-6-27b-q4-k-m:
-          name: "qwen3-6-27b-q4-k-m"
         qwen3-6-35b-a3b-mtp-ud-q4-m:
           name: "qwen3-6-35b-a3b-mtp-ud-q4-m"
-        qwen3-6-35b-a3b-ud-q4-k-m:
-          name: "qwen3-6-35b-a3b-ud-q4-k-m"
   mcp:
     deepwiki:
       type: "remote"
@@ -174,14 +156,46 @@ linux_dev_station_opencode_config:
 linux_dev_station_service_user_ssh_enabled: true
 linux_dev_station_service_user_ssh_authorized_keys: []
 
+# Bind services to localhost (nginx handles TLS+auth)
+linux_dev_station_code_server_bind_to_localhost: true
+linux_dev_station_opencode_bind_to_localhost: true
+
+# nginx_proxy: TLS + OAuth2/OIDC SSO
+nginx_proxy_certbot_email: "admin@alexpires.me"
+nginx_proxy_oauth2_proxy_enabled: true
+nginx_proxy_oauth2_proxy_provider: "oidc"
+nginx_proxy_oauth2_proxy_provider_url: "https://code.alexpires.me"
+nginx_proxy_oauth2_proxy_cookie_domain: ".lab.alexpires.me"
+nginx_proxy_oauth2_proxy_redirect_urls:
+  - "https://ide.lab.alexpires.me/oauth2/callback"
+  - "https://agent.lab.alexpires.me/oauth2/callback"
+nginx_proxy_oauth2_proxy_email_domains:
+  - "*"
+nginx_proxy_oauth2_proxy_cookie_secret: "{{ lookup('env', 'OAUTH2_PROXY_COOKIE_SECRET', default='') }}"
+nginx_proxy_oauth2_proxy_client_id: "{{ lookup('env', 'OAUTH2_PROXY_CLIENT_ID', default='') }}"
+nginx_proxy_oauth2_proxy_client_secret: "{{ lookup('env', 'OAUTH2_PROXY_CLIENT_SECRET', default='') }}"
+nginx_proxy_sites:
+  - name: ide
+    server_name: "ide.lab.alexpires.me"
+    upstream:
+      host: "127.0.0.1"
+      port: "{{ linux_dev_station_code_server_port }}"
+    websocket: true
+  - name: agent
+    server_name: "agent.lab.alexpires.me"
+    upstream:
+      host: "127.0.0.1"
+      port: "{{ linux_dev_station_opencode_server_port }}"
+    websocket: true
+
 # Firewall ports
 ufw_enable: true
 fw_allowed_ports:
-  - { rule: "allow", port: "22", proto: "tcp", from: "10.5.5.5/32" } # SSH Access (VPN device)
-  - { rule: "allow", port: "22", proto: "tcp", from: "10.19.4.0/24" } # SSH Access (local network)
-  - { rule: "allow", port: "3000", proto: "tcp", from: "10.19.4.0/24" } # code-server (local network only)
-  - { rule: "allow", port: "4096", proto: "tcp", from: "10.19.4.0/24" } # opencode (local network only)
-  - { rule: "allow", port: "9090", proto: "tcp", from: "10.19.4.0/24" } # opencode (local network only)
+  - { rule: "allow", port: "22", proto: "tcp", from: "10.5.5.5/32" }   # SSH (VPN device)
+  - { rule: "allow", port: "22", proto: "tcp", from: "10.19.4.0/24" }  # SSH (local network)
+  - { rule: "allow", port: "443", proto: "tcp", from: "10.19.4.0/24" } # HTTPS (nginx reverse proxy)
+  - { rule: "allow", port: "443", proto: "tcp", from: "10.5.5.5/32" }   # HTTPS (VPN device)
+  - { rule: "allow", port: "9090", proto: "tcp", from: "10.19.4.0/24" } # Prometheus node-exporter
 
 linux_dev_station_oh_my_zsh_theme: "agnoster"
 linux_dev_station_oh_my_zsh_plugins:

ansible/host_vars/gpu-01.lab.alexpires.me.yml

@@ -207,9 +207,9 @@ llama_server_argv_extra:
     "-np",
     -1,
     "-b",
-    2048,
-    "-ub",
     1024,
+    "-ub",
+    512,
     "-fa",
     "on",
     "-ctk",

ansible/playbook_nginx_proxy.yml

@@ -0,0 +1,14 @@
+---
+- name: Configure nginx reverse proxy with TLS and OAuth2
+  hosts: nginx
+  gather_facts: true
+
+  pre_tasks:
+    - name: Ensure target is Fedora
+      ansible.builtin.assert:
+        that:
+          - ansible_facts['distribution'] == "Fedora"
+        fail_msg: "This playbook supports Fedora hosts only"
+
+  roles:
+    - nginx_proxy

ansible/roles/linux_dev_station/defaults/main.yml

@@ -27,7 +27,9 @@ linux_dev_station_dnf_packages:
   - fzf
   - sqlite3
   - opentofu
-  - kubectl
+  - kubernetes1.36-client
+  - ansible
+  - python3-ansible-lint
 
 linux_dev_station_tool_packages:
   - name: uv
@@ -46,7 +48,10 @@ linux_dev_station_tool_packages:
     version: "1.1.2"
     sha256: ""
 
-linux_dev_station_code_server_host: "0.0.0.0"
+linux_dev_station_code_server_bind_to_localhost: false
+
+linux_dev_station_code_server_host: >-
+  {{ (linux_dev_station_code_server_bind_to_localhost | bool) | ternary('127.0.0.1', '0.0.0.0') }}
 linux_dev_station_code_server_port: 3000
 linux_dev_station_code_server_auth: "password"
 linux_dev_station_code_server_password: "{{ lookup('env', 'CODE_SERVER_PASSWORD', default='') }}"
@@ -82,7 +87,6 @@ linux_dev_station_oh_my_zsh_plugins:
   - kubectl
   - microk8s
   - docker
-  - docker-compose
   - ansible
   - aws
   - golang
@@ -100,7 +104,10 @@ linux_dev_station_ssh_key_comment: "dev-02"
 
 linux_dev_station_code_server_systemd_enabled: true
 linux_dev_station_opencode_systemd_enabled: true
-linux_dev_station_opencode_server_host: "0.0.0.0"
+linux_dev_station_opencode_bind_to_localhost: false
+
+linux_dev_station_opencode_server_host: >-
+  {{ (linux_dev_station_opencode_bind_to_localhost | bool) | ternary('127.0.0.1', '0.0.0.0') }}
 linux_dev_station_opencode_server_port: 4096
 linux_dev_station_opencode_server_username: "{{ lookup('env', 'OPENCODE_SERVER_USERNAME', default='') }}"
 linux_dev_station_opencode_server_password: "{{ lookup('env', 'OPENCODE_SERVER_PASSWORD', default='') }}"

ansible/roles/linux_dev_station/tasks/main.yml

@@ -5,28 +5,6 @@
       - ansible_facts['distribution'] == "Fedora"
     fail_msg: "Role linux_dev_station supports Fedora hosts only"
 
-- name: Ensure OpenCode server credentials are provided
-  ansible.builtin.assert:
-    that:
-      - linux_dev_station_opencode_server_username | length > 0
-      - linux_dev_station_opencode_server_password | length > 0
-    fail_msg: >-
-      Set OPENCODE_SERVER_USERNAME and OPENCODE_SERVER_PASSWORD
-      in environment (recommended via sectool)
-      before running the playbook.
-  when: linux_dev_station_opencode_systemd_enabled | bool
-
-- name: Ensure code-server password is provided
-  ansible.builtin.assert:
-    that:
-      - linux_dev_station_code_server_password | length > 0
-    fail_msg: >-
-      Set CODE_SERVER_PASSWORD in environment
-      (recommended via sectool) before running the playbook.
-  when:
-    - linux_dev_station_code_server_systemd_enabled | bool
-    - linux_dev_station_code_server_auth == "password"
-
 - name: Install dnf packages
   become: true
   ansible.builtin.dnf:

ansible/roles/linux_dev_station/templates/code-server.service.j2

@@ -16,7 +16,6 @@ StandardError=append:{{ linux_dev_station_logs_dir }}/code-server.err.log
 Environment="HOME={{ linux_dev_station_service_home }}"
 Environment="PATH={{ linux_dev_station_path }}"
 Environment="TMPDIR={{ linux_dev_station_service_home }}/.cache/tmp"
-Environment="PASSWORD={{ linux_dev_station_code_server_password }}"
 {% if linux_dev_station_ssh_agent_enabled | bool %}
 Environment="SSH_AUTH_SOCK={{ linux_dev_station_ssh_agent_socket }}"
 {% endif %}

ansible/roles/linux_dev_station/templates/opencode.service.j2

@@ -16,8 +16,6 @@ StandardError=append:{{ linux_dev_station_logs_dir }}/opencode.err.log
 Environment="HOME={{ linux_dev_station_service_home }}"
 Environment="PATH={{ linux_dev_station_path }}"
 Environment="TMPDIR={{ linux_dev_station_service_home }}/.cache/tmp"
-Environment="OPENCODE_SERVER_USERNAME={{ linux_dev_station_opencode_server_username }}"
-Environment="OPENCODE_SERVER_PASSWORD={{ linux_dev_station_opencode_server_password }}"
 {% for env_key, env_value in linux_dev_station_opencode_extra_environment.items() %}
 Environment="{{ env_key }}={{ env_value }}"
 {% endfor %}

ansible/roles/login/defaults/main.yml

@@ -1,2 +1,3 @@
 ---
 login_users: []
+login_disable_history: true

ansible/roles/login/tasks/main.yml

@@ -61,3 +61,4 @@
     owner: root
     group: root
     mode: "0755"
+  when: login_disable_history

ansible/roles/nginx_proxy/defaults/main.yml

@@ -0,0 +1,54 @@
+---
+nginx_proxy_certbot_enabled: true
+nginx_proxy_certbot_email: ""
+nginx_proxy_certbot_cron_minute: "0"
+nginx_proxy_certbot_cron_hour: "3"
+nginx_proxy_certbot_credential_file: "/etc/letsencrypt/cloudns.ini"
+nginx_proxy_certbot_credential_mode: "0600"
+
+nginx_proxy_nginx_enabled: true
+nginx_proxy_nginx_bind: "0.0.0.0"
+nginx_proxy_nginx_port: 443
+nginx_proxy_nginx_worker_connections: 1024
+nginx_proxy_nginx_access_log: "/var/log/nginx/access.log"
+nginx_proxy_nginx_error_log: "/var/log/nginx/error.log warn"
+nginx_proxy_nginx_ssl_protocols: "TLSv1.2 TLSv1.3"
+nginx_proxy_nginx_ssl_ciphers: ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384
+nginx_proxy_nginx_ssl_prefer_server_ciphers: "on"
+nginx_proxy_nginx_hsts_max_age: "31536000"
+nginx_proxy_nginx_hsts_include_subdomains: true
+
+nginx_proxy_oauth2_proxy_enabled: true
+nginx_proxy_oauth2_proxy_bind: "127.0.0.1"
+nginx_proxy_oauth2_proxy_port: 4180
+nginx_proxy_oauth2_proxy_version: "7.15.3"
+nginx_proxy_oauth2_proxy_cookie_domain: ""
+nginx_proxy_oauth2_proxy_cookie_name: "_oauth2_proxy"
+nginx_proxy_oauth2_proxy_cookie_secret: "{{ lookup('env', 'OAUTH2_PROXY_COOKIE_SECRET', default='') }}"
+nginx_proxy_oauth2_proxy_client_id: "{{ lookup('env', 'OAUTH2_PROXY_CLIENT_ID', default='') }}"
+nginx_proxy_oauth2_proxy_client_secret: "{{ lookup('env', 'OAUTH2_PROXY_CLIENT_SECRET', default='') }}"
+nginx_proxy_oauth2_proxy_redirect_urls: []
+nginx_proxy_oauth2_proxy_provider: ""
+nginx_proxy_oauth2_proxy_provider_url: ""
+nginx_proxy_oauth2_proxy_scopes: "openid profile email"
+nginx_proxy_oauth2_proxy_email_domains: []
+nginx_proxy_oauth2_proxy_upstream: "static://200"
+nginx_proxy_oauth2_proxy_skip_jwt: false
+nginx_proxy_oauth2_proxy_set_basic_auth: false
+nginx_proxy_oauth2_proxy_set_xauthrequest: true
+nginx_proxy_oauth2_proxy_ssl_insecure_skip_verify: false
+nginx_proxy_oauth2_proxy_proxy_prefix: "/oauth2"
+nginx_proxy_oauth2_proxy_silent_login: false
+nginx_proxy_oauth2_proxy_skip_provider_whoami: false
+nginx_proxy_oauth2_proxy_cookie_refresh: "0s"
+nginx_proxy_oauth2_proxy_cookie_expire: "168h"
+nginx_proxy_oauth2_proxy_session_storage_type: "memory"
+nginx_proxy_oauth2_proxy_request_logging: true
+nginx_proxy_oauth2_proxy_log_file: "/var/log/oauth2-proxy.log"
+nginx_proxy_oauth2_proxy_log_level: "info"
+
+nginx_proxy_sites: []
+
+nginx_proxy_cloudns_auth_id: "{{ lookup('env', 'CLOUDNS_AUTH_ID') }}"
+nginx_proxy_cloudns_auth_password: "{{ lookup('env', 'CLOUDNS_PASSWORD') }}"
+nginx_proxy_cloudns_nameserver: "109.201.133.111"

ansible/roles/nginx_proxy/handlers/main.yml

@@ -0,0 +1,7 @@
+---
+- name: Reload nginx
+  become: true
+  ansible.builtin.systemd:
+    name: nginx
+    state: reloaded
+  listen: Reload nginx

ansible/roles/nginx_proxy/tasks/certbot.yml

@@ -0,0 +1,60 @@
+---
+- name: Remove certbot installed via package manager
+  become: true
+  ansible.builtin.dnf:
+    name: certbot
+    state: absent
+
+- name: Install pip
+  become: true
+  ansible.builtin.dnf:
+    name: python3-pip
+    state: present
+
+- name: Install certbot and DNS plugin via pip
+  become: true
+  ansible.builtin.pip:
+    name:
+      - certbot
+      - certbot-dns-cloudns
+    state: present
+
+- name: Ensure CloudDNS credentials directory exists
+  become: true
+  ansible.builtin.file:
+    path: /etc/letsencrypt
+    state: directory
+    mode: '0700'
+
+- name: Create CloudDNS credentials file
+  become: true
+  ansible.builtin.copy:
+    content: |
+      dns_cloudns_auth_id={{ nginx_proxy_cloudns_auth_id }}
+      dns_cloudns_auth_password={{ nginx_proxy_cloudns_auth_password }}
+    dest: "{{ nginx_proxy_certbot_credential_file }}"
+    mode: "{{ nginx_proxy_certbot_credential_mode }}"
+    owner: root
+    group: root
+
+- name: Obtain TLS certificate via DNS-01 challenge
+  become: true
+  ansible.builtin.command: >-
+    certbot certonly
+    --authenticator dns-cloudns
+    --dns-cloudns-credentials {{ nginx_proxy_certbot_credential_file }}
+    --dns-cloudns-nameserver {{ nginx_proxy_cloudns_nameserver }}
+    -d {{ __nginx_proxy_certbot_domains | join(' -d ') }}
+    --non-interactive
+    --agree-tos
+    -m {{ nginx_proxy_certbot_email }}
+  args:
+    creates: "/etc/letsencrypt/live/{{ __nginx_proxy_certbot_domains[0] }}/fullchain.pem"
+
+- name: Create certbot renewal cron job
+  become: true
+  ansible.builtin.cron:
+    name: "certbot renewal"
+    minute: "{{ nginx_proxy_certbot_cron_minute }}"
+    hour: "{{ nginx_proxy_certbot_cron_hour }}"
+    job: "certbot renew --deploy-hook 'systemctl reload nginx'"

ansible/roles/nginx_proxy/tasks/main.yml

@@ -0,0 +1,39 @@
+---
+- name: Validate nginx_proxy_sites is defined
+  ansible.builtin.assert:
+    that:
+      - nginx_proxy_sites is defined
+      - nginx_proxy_sites | length > 0
+    fail_msg: "nginx_proxy_sites must be defined with at least one site"
+
+- name: Validate each site has required fields
+  ansible.builtin.assert:
+    that:
+      - item.server_name is defined
+      - item.upstream is defined
+      - item.upstream.host is defined
+      - item.upstream.port is defined
+    fail_msg: "Each site in nginx_proxy_sites must have server_name, upstream.host, and upstream.port"
+  loop: "{{ nginx_proxy_sites }}"
+
+- name: Calculate certbot domains from sites
+  ansible.builtin.set_fact:
+    __nginx_proxy_certbot_domains: "{{ nginx_proxy_sites | map(attribute='server_name') | list }}"
+  when: nginx_proxy_certbot_domains is not defined
+
+- name: Use explicit certbot domains when defined
+  ansible.builtin.set_fact:
+    __nginx_proxy_certbot_domains: "{{ nginx_proxy_certbot_domains }}"
+  when: nginx_proxy_certbot_domains is defined
+
+- name: Install certbot
+  ansible.builtin.include_tasks: certbot.yml
+  when: nginx_proxy_certbot_enabled | bool
+
+- name: Install nginx
+  ansible.builtin.include_tasks: nginx.yml
+  when: nginx_proxy_nginx_enabled | bool
+
+- name: Install oauth2-proxy
+  ansible.builtin.include_tasks: oauth2_proxy.yml
+  when: nginx_proxy_oauth2_proxy_enabled | bool

ansible/roles/nginx_proxy/tasks/nginx.yml

@@ -0,0 +1,46 @@
+---
+- name: Install nginx
+  become: true
+  ansible.builtin.dnf:
+    name: nginx
+    state: present
+
+- name: Deploy nginx.conf
+  become: true
+  ansible.builtin.template:
+    src: nginx.conf.j2
+    dest: /etc/nginx/nginx.conf
+    mode: "0644"
+    owner: root
+    group: root
+  notify: Reload nginx
+
+- name: Deploy server blocks configuration
+  become: true
+  ansible.builtin.template:
+    src: nginx-server.conf.j2
+    dest: /etc/nginx/conf.d/nginx-proxy.conf
+    mode: "0644"
+    owner: root
+    group: root
+  notify: Reload nginx
+
+- name: Enable and start nginx
+  become: true
+  ansible.builtin.systemd:
+    name: nginx
+    state: started
+    enabled: true
+    daemon_reload: true
+
+- name: Set SELinux context for Let's Encrypt certificates
+  become: true
+  ansible.builtin.command: >-
+    semanage fcontext -a -t httpd_cert_t "/etc/letsencrypt(/.*)?"
+  failed_when: false
+  changed_when: false
+
+- name: Restore SELinux context for Let's Encrypt directory
+  become: true
+  ansible.builtin.command: restorecon -Rv /etc/letsencrypt
+  changed_when: false

ansible/roles/nginx_proxy/tasks/oauth2_proxy.yml

@@ -0,0 +1,68 @@
+---
+- name: Download oauth2-proxy
+  become: true
+  ansible.builtin.get_url:
+    url: "https://github.com/oauth2-proxy/oauth2-proxy/releases/download/v{{ nginx_proxy_oauth2_proxy_version }}/oauth2-proxy-v{{ nginx_proxy_oauth2_proxy_version }}.linux-amd64.tar.gz"
+    dest: /tmp/oauth2-proxy.tar.gz
+    mode: "0644"
+
+- name: Extract oauth2-proxy binary
+  become: true
+  ansible.builtin.unarchive:
+    src: /tmp/oauth2-proxy.tar.gz
+    dest: /tmp/
+    remote_src: true
+
+- name: Install oauth2-proxy binary
+  become: true
+  ansible.builtin.copy:
+    src: >-
+      /tmp/oauth2-proxy-v{{ nginx_proxy_oauth2_proxy_version }}.linux-amd64/oauth2-proxy
+    dest: /usr/local/bin/oauth2-proxy
+    mode: "0755"
+    owner: root
+    group: root
+
+- name: Create oauth2-proxy config directory
+  become: true
+  ansible.builtin.file:
+    path: /etc/oauth2-proxy
+    state: directory
+    mode: "0755"
+    owner: root
+    group: root
+
+- name: Deploy oauth2-proxy configuration
+  become: true
+  ansible.builtin.template:
+    src: oauth2-proxy.cfg.j2
+    dest: /etc/oauth2-proxy/oauth2-proxy.cfg
+    mode: "0640"
+    owner: root
+    group: nginx
+
+- name: Create oauth2-proxy log file
+  become: true
+  ansible.builtin.file:
+    path: "{{ nginx_proxy_oauth2_proxy_log_file }}"
+    state: touch
+    mode: "0644"
+    owner: nginx
+    group: nginx
+
+- name: Deploy oauth2-proxy systemd service
+  become: true
+  ansible.builtin.template:
+    src: oauth2-proxy.service.j2
+    dest: /etc/systemd/system/oauth2-proxy.service
+    mode: "0644"
+    owner: root
+    group: root
+
+- name: Enable and start oauth2-proxy
+  become: true
+  ansible.builtin.systemd:
+    name: oauth2-proxy
+    state: started
+    enabled: true
+    daemon_reload: true

ansible/roles/nginx_proxy/templates/nginx-server.conf.j2

@@ -0,0 +1,96 @@
+{% set cert_prefix = nginx_proxy_sites[0].server_name %}
+{% for item in nginx_proxy_sites %}
+server {
+    listen {{ nginx_proxy_nginx_port }} ssl;
+    http2 on;
+    server_name {{ item.server_name }};
+
+    ssl_certificate {{ item.ssl_certificate | default('/etc/letsencrypt/live/' + cert_prefix + '/fullchain.pem') }};
+    ssl_certificate_key {{ item.ssl_certificate_key | default('/etc/letsencrypt/live/' + cert_prefix + '/privkey.pem') }};
+    ssl_protocols {{ nginx_proxy_nginx_ssl_protocols }};
+    ssl_ciphers {{ nginx_proxy_nginx_ssl_ciphers }};
+    ssl_prefer_server_ciphers {{ nginx_proxy_nginx_ssl_prefer_server_ciphers }};
+
+    add_header Strict-Transport-Security "max-age={{ nginx_proxy_nginx_hsts_max_age }}; {{ nginx_proxy_nginx_hsts_include_subdomains | ternary('includeSubDomains', '') }}" always;
+
+    # Redirect unauthenticated requests to OAuth2 sign-in
+    error_page 401 = /oauth2/sign_in;
+
+    # OAuth2 auth_request
+    location = /oauth2/auth {
+        proxy_pass http://{{ nginx_proxy_oauth2_proxy_bind }}:{{ nginx_proxy_oauth2_proxy_port }}/oauth2/auth;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Scheme $scheme;
+        proxy_set_header X-Auth-Request-Redirect $request_uri;
+        proxy_set_header Content-Length "";
+        proxy_pass_request_body off;
+        proxy_method GET;
+    }
+
+    location = /oauth2/callback {
+        proxy_pass http://{{ nginx_proxy_oauth2_proxy_bind }}:{{ nginx_proxy_oauth2_proxy_port }}/oauth2/callback;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Scheme $scheme;
+        proxy_set_header X-Auth-Request-Redirect $request_uri;
+        proxy_buffer_size 16k;
+        proxy_buffers 4 32k;
+        proxy_busy_buffers_size 64k;
+    }
+
+    location = /oauth2/sign_in {
+        proxy_pass http://{{ nginx_proxy_oauth2_proxy_bind }}:{{ nginx_proxy_oauth2_proxy_port }}/oauth2/sign_in;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Scheme $scheme;
+    }
+
+    location /oauth2/ {
+        proxy_pass http://{{ nginx_proxy_oauth2_proxy_bind }}:{{ nginx_proxy_oauth2_proxy_port }};
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Scheme $scheme;
+    }
+
+    location / {
+        auth_request /oauth2/auth;
+        auth_request_set $auth_status $upstream_status;
+        auth_request_set $auth_cookie $upstream_http_set_cookie;
+
+        add_header Set-Cookie $auth_cookie;
+        add_header Strict-Transport-Security "max-age={{ nginx_proxy_nginx_hsts_max_age }}; {{ nginx_proxy_nginx_hsts_include_subdomains | ternary('includeSubDomains', '') }}" always;
+
+        proxy_pass http://{{ item.upstream.host }}:{{ item.upstream.port }};
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header X-Forwarded-Host $host;
+        proxy_set_header X-Forwarded-Port $server_port;
+
+        # WebSocket support
+        {% if item.websocket | default(true) | bool %}
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection $connection_upgrade;
+        {% endif %}
+
+        # Timeouts
+        proxy_read_timeout {{ item.proxy_read_timeout | default('3600s') }};
+        proxy_send_timeout {{ item.proxy_send_timeout | default('3600s') }};
+    }
+
+    # Extra location blocks
+{% if item.extra_locations | default([]) %}
+{% for location in item.extra_locations %}
+    location {{ location.path }} {
+{% for key, value in location.config.items() %}
+        {{ key }} {{ value }};
+{% endfor %}
+    }
+{% endfor %}
+{% endif %}
+}
+
+{% endfor %}

ansible/roles/nginx_proxy/templates/nginx.conf.j2

@@ -0,0 +1,33 @@
+user nginx;
+worker_processes auto;
+error_log {{ nginx_proxy_nginx_error_log }};
+pid /run/nginx.pid;
+
+events {
+    worker_connections {{ nginx_proxy_nginx_worker_connections }};
+}
+
+http {
+    log_format main '$remote_addr - $remote_user [$time_local] "$request" '
+                    '$status $body_bytes_sent "$http_referer" '
+                    '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log {{ nginx_proxy_nginx_access_log }} main;
+
+    sendfile on;
+    tcp_nopush on;
+    tcp_nodelay on;
+    keepalive_timeout 65;
+    types_hash_bucket_size 64;
+    types_hash_max_size 2048;
+
+    include /etc/nginx/mime.types;
+    default_type application/octet-stream;
+
+    map $http_upgrade $connection_upgrade {
+        default upgrade;
+        ''      close;
+    }
+
+    include /etc/nginx/conf.d/*.conf;
+}

ansible/roles/nginx_proxy/templates/oauth2-proxy.cfg.j2

@@ -0,0 +1,26 @@
+provider = "{{ nginx_proxy_oauth2_proxy_provider }}"
+oidc_issuer_url = "{{ nginx_proxy_oauth2_proxy_provider_url }}"
+client_id = "{{ nginx_proxy_oauth2_proxy_client_id }}"
+client_secret = "{{ nginx_proxy_oauth2_proxy_client_secret }}"
+cookie_domains = [ "{{ nginx_proxy_oauth2_proxy_cookie_domain }}" ]
+cookie_name = "{{ nginx_proxy_oauth2_proxy_cookie_name }}"
+cookie_secret = "{{ nginx_proxy_oauth2_proxy_cookie_secret }}"
+cookie_expire = "{{ nginx_proxy_oauth2_proxy_cookie_expire }}"
+cookie_refresh = "{{ nginx_proxy_oauth2_proxy_cookie_refresh }}"
+redirect_url = "{{ nginx_proxy_oauth2_proxy_redirect_urls[0] }}"
+scope = "{{ nginx_proxy_oauth2_proxy_scopes }}"
+email_domains = {{ nginx_proxy_oauth2_proxy_email_domains | to_json }}
+upstreams = [ "static://200" ]
+skip_jwt_bearer_tokens = {{ nginx_proxy_oauth2_proxy_skip_jwt | lower }}
+set_basic_auth = {{ nginx_proxy_oauth2_proxy_set_basic_auth | lower }}
+set_xauthrequest = {{ nginx_proxy_oauth2_proxy_set_xauthrequest | lower }}
+ssl_insecure_skip_verify = {{ nginx_proxy_oauth2_proxy_ssl_insecure_skip_verify | lower }}
+proxy_prefix = "{{ nginx_proxy_oauth2_proxy_proxy_prefix }}"
+http_address = "{{ nginx_proxy_oauth2_proxy_bind }}:{{ nginx_proxy_oauth2_proxy_port }}"
+{% if nginx_proxy_oauth2_proxy_request_logging | default(true) %}
+logging_filename = "{{ nginx_proxy_oauth2_proxy_log_file | default('/var/log/oauth2-proxy.log') }}"
+{% endif %}
+cookie_secure = false
+reverse_proxy = true
+trusted_proxy_ips = [ "127.0.0.1" ]
+proxy_websockets = true

ansible/roles/nginx_proxy/templates/oauth2-proxy.service.j2

@@ -0,0 +1,13 @@
+[Unit]
+Description=oauth2-proxy
+After=network.target
+
+[Service]
+Type=simple
+User=nginx
+ExecStart=/usr/local/bin/oauth2-proxy --config /etc/oauth2-proxy/oauth2-proxy.cfg
+Restart=always
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target

ansible/sectool.env

@@ -21,3 +21,6 @@ OPENCODE_SERVER_USERNAME=$OPENCODE_SERVER_USERNAME
 OPENCODE_SERVER_PASSWORD=$OPENCODE_SERVER_PASSWORD
 CODE_SERVER_PASSWORD=$CODE_SERVER_PASSWORD
 OPEN_WEBUI_API_KEY=$OPEN_WEBUI_API_KEY
+OAUTH2_PROXY_COOKIE_SECRET=$OAUTH2_PROXY_COOKIE_SECRET
+OAUTH2_PROXY_CLIENT_ID=$OAUTH2_PROXY_CLIENT_ID
+OAUTH2_PROXY_CLIENT_SECRET=$OAUTH2_PROXY_CLIENT_SECRET

implemented/linux_dev_station.md

@@ -0,0 +1,102 @@
+# Linux Dev Station - dev-02.lab.alexpires.me
+
+## Overview
+Provisioned `dev-02.lab.alexpires.me` (Fedora, `10.19.4.210`) as a remote dev station mirroring the macOS setup. Includes code-server, opencode, and dev toolchain management. Exposed via nginx reverse proxy with TLS termination and OAuth2/OIDC SSO (Gitea as IdP).
+
+## Role: `linux_dev_station`
+- **Location:** `ansible/roles/linux_dev_station/`
+- **Scope:** Fedora only (`ansible_facts['distribution'] == "Fedora"`)
+- **Package manager:** dnf for system packages; tool-managed (uv, rustup, fnm) for dev toolchains
+- **Excludes:** podman/container runtime management
+
+### Components
+- **SSH hardening:** Public key auth, password auth disabled, root login disabled
+- **Users:** `devstation` user with sudo, zsh shell, and required groups
+- **Zsh:** Oh My Zsh with agnoster theme, plugins, custom env vars, and zshrc management
+- **Tooling:**
+  - `uv` - Python package manager
+  - `rustup` - Rust toolchain
+  - `fnm` + `node` - Node.js version manager
+  - `code-server` - VS Code remote on `127.0.0.1:3000`
+  - `opencode` - AI coding assistant (HTTP server on `127.0.0.1:4096`)
+- **Firewall:** firewalld with `fw_allowed_ports` (22, 443)
+- **Systemd services:** code-server, opencode
+
+### Opencode Details
+- **Repo:** `anomalyco/opencode` (not `opencode-ai`)
+- **Version:** `1.17.18`
+- **Binary:** `opencode-linux-x64.tar.gz`
+- **Mode:** HTTP server (`serve`), binds to `127.0.0.1`
+- **Install strategy:** Versioned directories (`~/.local/lib/tool-vX.Y.Z`) + symlinks for idempotent upgrades
+
+### Oh My Zsh Plugins (Linux)
+git, fzf, common-aliases, sudo, tmux, extract, colored-man-pages, history-substring-search, kubectl, microk8s, docker, docker-compose, ansible, aws, golang, dnf, bgnotify
+
+## macOS Role Updates
+- **Location:** `ansible/roles/macos_dev_station/`
+- Synced Oh My Zsh fixes: sourcing, theme, plugins, extra env vars
+- **Oh My Zsh Plugins (macOS):** git, fzf, common-aliases, sudo, tmux, extract, colored-man-pages, history-substring-search, kubectl, docker, docker-compose, ansible, aws, golang, brew, bgnotify
+
+## TLS + OAuth2/OIDC SSO (`nginx_proxy` role)
+- **Location:** `ansible/roles/nginx_proxy/` — standalone, generic role not tied to `linux_dev_station`
+- **Playbook:** `ansible/playbook_nginx_proxy.yml` targets `[nginx]` group
+- **Architecture:** nginx (:443, TLS) → oauth2-proxy (:4180, session mgmt) → backends (127.0.0.1 only)
+- **Certificate:** SAN cert for `ide.lab.alexpires.me` + `agent.lab.alexpires.me` via certbot DNS-01 (cloudns plugin), auto-renewal cron
+- **SSO cookie:** Scoped to `.lab.alexpires.me`
+- **IdP:** Gitea (`code.alexpires.me`), OAuth2 app `lab-services` (confidential client, scopes: `openid`, `profile`, `email`)
+- **oauth2-proxy:** v7.15.3, config format: `oidc_issuer_url`, `http_address`, `upstreams` array, `cookie_domains` array, `proxy_websockets = true`, `reverse_proxy = true`
+- **Services exposed:**
+  - `https://ide.lab.alexpires.me` → code-server (127.0.0.1:3000)
+  - `https://agent.lab.alexpires.me` → opencode (127.0.0.1:4096)
+- **Nginx fixes applied:** `types_hash_bucket_size 64;`, ssl_ciphers single line, http2 separate directive, SAN cert shared via first site directory, POST auth_request body fix (`proxy_set_header Content-Length "";`), proxy_buffer_size for oauth2 callback
+
+### Defaults
+- `nginx_proxy_oauth2_proxy_version: "7.15.3"`
+- `nginx_proxy_cloudns_nameserver: "109.201.133.111"`
+- `nginx_proxy_sites` — list of site configs with server_name, upstream, websocket toggle
+
+### Secrets
+- `OAUTH2_PROXY_COOKIE_SECRET` — 32-byte random, stored in vault
+- `OAUTH2_PROXY_CLIENT_ID` / `OAUTH2_PROXY_CLIENT_SECRET` — from Gitea OAuth2 app
+- `CLOUDNS_AUTH_ID` / `CLOUDNS_PASSWORD` — DNS credentials for certbot
+
+## Infrastructure Changes
+- **DNS:**
+  - Added A record for `dev-02.lab.alexpires.me` (`10.19.4.210`)
+  - Added A records for `ide` and `agent` → `10.19.4.210` (in `terraform/apps/dev-01/config.tf`)
+- **Inventory:** Added `[nginx]` group with `dev-02.lab.alexpires.me`; dev-02 removed from `[certbot]` group
+- **Host vars:** `ansible/host_vars/dev-02.lab.alexpires.me.yml` with `nginx_proxy_sites`, `bind_to_localhost: true`, firewall rules (22, 443), OAuth2 credentials via `lookup('env', ...)`
+- **dev-01 cleanup:** Removed `opencode`/`vscode` CNAME records and `proxy_services` entries (no longer proxying to dev-02)
+
+## Service Bindings
+| Service | Binding |
+|---------|---------|
+| code-server | `127.0.0.1:3000` |
+| opencode | `127.0.0.1:4096` |
+| oauth2-proxy | `127.0.0.1:4180` |
+| nginx | `0.0.0.0:443` |
+
+## Firewall
+| Port | Access |
+|------|--------|
+| 22 | `10.19.4.0/24` + VPN (`10.5.5.5/32`) |
+| 443 | `10.19.4.0/24` + VPN (`10.5.5.5/32`) |
+| 3000/4096 | Closed (nginx handles all external access) |
+
+## SELinux
+- http_port_t extended to include 4180 (oauth2-proxy)
+- httpd_can_network_connect enabled
+- `/etc/letsencrypt` context set to `httpd_cert_t`
+
+## Known Issues & Workarounds
+- **ssh-agent systemd:** Removed due to SELinux blocking transitions; managed via `.zshrc` startup instead
+- **ACL issue:** `allow_world_readable_tmpfiles = True` required in `ansible.cfg` for macOS→Fedora `become_user` compatibility
+
+## Required Credentials
+- `GITEA_APP_TOKEN`
+- `OPEN_WEBUI_API_KEY`
+- `CLOUDNS_AUTH_ID` / `CLOUDNS_PASSWORD` (for certbot DNS-01)
+- `OAUTH2_PROXY_COOKIE_SECRET` / `CLIENT_ID` / `CLIENT_SECRET` (for nginx_proxy role)
+
+## Ansible.cfg Fix
+Added `allow_world_readable_tmpfiles = True` under `[defaults]` to fix `become_user` failures on Fedora when running from macOS.

terraform/apps/dev-01/config.tf

@@ -116,6 +116,16 @@ locals {
           type    = "A"
           content = "10.19.4.210"
         },
+        {
+          name    = "ide"
+          type    = "A"
+          content = "10.19.4.210"
+        },
+        {
+          name    = "agent"
+          type    = "A"
+          content = "10.19.4.210"
+        },
         {
           name    = "vaultwarden"
           type    = "CNAME"
@@ -126,16 +136,6 @@ locals {
           type    = "CNAME"
           content = "dev-01.${local.lab_domain}."
         },
-        {
-          name    = "opencode"
-          type    = "CNAME"
-          content = "dev-01.${local.lab_domain}."
-        },
-        {
-          name    = "vscode"
-          type    = "CNAME"
-          content = "dev-01.${local.lab_domain}."
-        },
       ]
     }
   ]
@@ -157,38 +157,6 @@ locals {
     #     },
     #   ]
     # }
-    "opencode" = {
-      http_port    = 4096
-      tls          = true
-      fqdn         = ["opencode.lab.alexpires.me"]
-      upstream     = "http://10.19.4.210:4096"
-      read_timeout = "3600s"
-
-      locations = [
-        {
-          path = "/"
-          headers = {
-            "Upgrade"    = "$http_upgrade"
-            "Connection" = "upgrade"
-          }
-        },
-      ]
-    },
-    "code-server" = {
-      http_port = 3000
-      tls       = true
-      fqdn      = ["vscode.lab.alexpires.me"]
-      upstream  = "http://10.19.4.210:3000"
-      locations = [
-        {
-          path = "/"
-          headers = {
-            "Upgrade"    = "$http_upgrade"
-            "Connection" = "upgrade"
-          }
-        },
-      ]
-    }
   }
 
   streams = {