DNS Endpoint for a tarpit meme project

https://developer.hashicorp.com/nomad/tutorials/manage-clusters/reverse-proxy-ui#extend-connection-timeout

ansible/inventory.yaml

@@ -0,0 +1,3 @@
+nigel:
+  hosts:
+    nigel.local:

ansible/linter.yaml

@@ -0,0 +1,4 @@
+---
+skip_list:
+    - role-name
+    - var-naming[no-role-prefix]

ansible/local-setup-admin-user.yaml

@@ -0,0 +1,27 @@
+# This playbook is meant to be a oneshot to be ran manually on the dev box
+# The rest of the role stuff is meant to be ran as the admin user that
+# this playbook creates for us
+---
+- hosts: nigel.local
+  remote_user: nigel
+  vars:
+    admin:
+      username: nigel
+  tasks:
+    - name: Copy the nigel admin key
+      ansible.builtin.authorized_key:
+        user: "{{ admin.username }}"
+        state: present
+        key: "{{ lookup('file', '~/.ssh/nigel/admin.pub') }}"
+    - name: Prevent password based logins
+      become: true
+      ansible.builtin.lineinfile:
+        dest: /etc/ssh/sshd_config
+        line: PasswordAuthentication no
+        state: present
+        backup: true
+    - name: Restart SSH Daemon
+      become: true
+      ansible.builtin.service:
+        name: ssh
+        state: restarted

ansible/nuc.yaml

@@ -0,0 +1,12 @@
+---
+- hosts: nigel.local
+  remote_user: nigel
+  tasks:
+    - name: Setup basic role on nigel
+      tags:
+        - setup
+        - nomad
+        - proxy
+        - volumes
+      ansible.builtin.include_role:
+        name: local-server-head

ansible/roles/local-server-head/files/docker.list

@@ -0,0 +1 @@
+deb [arch=amd64 signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu noble stable

ansible/roles/local-server-head/files/host-file

@@ -0,0 +1,15 @@
+127.0.0.1 localhost
+127.0.1.1 nigel
+
+# Our own dns stuff
+127.0.1.1 nigel.local
+127.0.1.1 nomad.nigel.local
+127.0.1.1 sanity.nigel.local
+127.0.1.1 ncr.nigel.local
+
+# The following lines are desirable for IPv6 capable hosts
+::1     ip6-localhost ip6-loopback
+fe00::0 ip6-localnet
+ff00::0 ip6-mcastprefix
+ff02::1 ip6-allnodes
+ff02::2 ip6-allrouters

ansible/roles/local-server-head/files/ncr.conf

@@ -0,0 +1,6 @@
+server {
+    server_name ncr.nigel.local;
+    location / {
+        proxy_pass http://localhost:5000;
+    }
+}

ansible/roles/local-server-head/files/nomad.conf

@@ -0,0 +1,25 @@
+server {
+    server_name nomad.nigel.local;
+    location / {
+        proxy_pass http://nomad-ws;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+
+        proxy_read_timeout 319s;
+
+        # This is for log streaming requests
+        proxy_buffering off;
+
+        # Upgrade and Connection headers for upgrading to websockets
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+
+
+        proxy_set_header Origin "${scheme}://${proxy_host}";
+    }
+}
+
+
+upstream nomad-ws {
+    ip_hash;
+    server nomad.nigel.local:4646;
+}

ansible/roles/local-server-head/files/sanity.conf

@@ -0,0 +1,7 @@
+server {
+    server_name sanity.nigel.local;
+    location / {
+        proxy_pass http://localhost:8080;
+    }
+}
+

ansible/roles/local-server-head/tasks/ensure-docker-basic.yaml

@@ -0,0 +1,41 @@
+- name: Ensure we have basic updated packages setting up docker
+  ansible.builtin.apt:
+    name: "{{ item }}"
+    update_cache: true
+  loop:
+    - ca-certificates
+    - curl
+- name: Running install on the keyrings directory
+  ansible.builtin.command:
+    cmd: install -m 0755 -d /etc/apt/keyrings
+  register: install
+  changed_when: install.rc == 0
+- name: Fetch Docker GPG Key
+  vars:
+    keylink: https://download.docker.com/linux/ubuntu/gpg
+  ansible.builtin.get_url:
+    url: "{{ keylink }}"
+    dest: /etc/apt/keyrings/docker.asc
+    mode: "0644"
+- name: Add repo to apt sources
+  ansible.builtin.copy:
+    src: docker.list
+    dest: /etc/apt/sources.list.d/docker.list
+    mode: "0644"
+- name: Update Apt cache with latest docker.list packages
+  ansible.builtin.apt:
+    update_cache: true
+- name: Ensure all docker packages are updated to the latest versions
+  ansible.builtin.apt:
+    name: "{{ item }}"
+  loop:
+    - docker-ce
+    - docker-ce-cli
+    - containerd.io
+    - docker-buildx-plugin
+    - docker-compose-plugin
+- name: Verify that the docker components are installed properly
+  ansible.builtin.command:
+    cmd: docker run hello-world
+  register: docker
+  changed_when: docker.rc == 0

ansible/roles/local-server-head/tasks/main.yaml

@@ -0,0 +1,41 @@
+- name: Ensure docker components are installed
+  tags:
+    - setup
+  ansible.builtin.include_tasks:
+    file: ensure-docker-basic.yaml
+    apply:
+      become: true
+      tags:
+        - setup
+- name: Ensure nigel can use sudo without password
+  become: true
+  tags:
+    - setup
+  ansible.builtin.lineinfile:
+    path: /etc/sudoers
+    state: present
+    line: "nigel ALL=(ALL) NOPASSWD:ALL"
+- name: Run through nomad installation steps
+  tags: nomad
+  ansible.builtin.include_tasks:
+    file: nomad.yaml
+    apply:
+      become: true
+      tags:
+        - nomad
+- name: Setup the reverse proxy outside of nomad
+  tags: proxy
+  ansible.builtin.include_tasks:
+    file: reverse_proxy.yaml
+    apply:
+      become: true
+      tags:
+        - proxy
+- name: Setup data directory for the nomad host volumes
+  tags: volumes
+  ansible.builtin.include_tasks:
+    file: nomad-host-volumes.yaml
+    apply:
+      become: true
+      tags:
+        - volumes

ansible/roles/local-server-head/tasks/nomad-host-volumes.yaml

@@ -0,0 +1,8 @@
+- name: Ensure the root data directory is present
+  ansible.builtin.file:
+    path: "{{ host_vol_root }}"
+    state: directory
+- name: Ensure registry volume is present
+  ansible.builtin.file:
+    path: "{{ host_vol_root }}/ncr"
+    state: directory

ansible/roles/local-server-head/tasks/nomad.yaml

@@ -0,0 +1,54 @@
+- name: Ensure prerequisite packages are installed
+  ansible.builtin.apt:
+    pkg:
+      - wget
+      - gpg
+      - coreutils
+    update_cache: true
+- name: Hashicorp repo setup
+  vars:
+    keypath: /usr/share/keyrings/hashicorp-archive-keyring.gpg
+    gpgpath: /tmp/hashicorp.gpg
+  block:
+  - name: Download the hashicorp GPG Key
+    ansible.builtin.get_url:
+      url: https://apt.releases.hashicorp.com/gpg 
+      dest: "{{ gpgpath }}"
+  - name: Dearmor the hashicorp gpg key
+    ansible.builtin.command:
+      cmd: "gpg --dearmor --yes -o {{ keypath }} {{ gpgpath }}"
+    register: gpg
+    changed_when: gpg.rc == 0
+  - name: Add the hashicorp linux repo
+    vars:
+      keyfile: "{{ keypath }}"
+    ansible.builtin.template:
+      src: hashicorp.list
+      dest: /etc/apt/sources.list.d/hashicorp.list
+      mode: "0644"
+  - name: Update apt repo cache
+    ansible.builtin.apt:
+      update_cache: true
+- name: Install consul
+  ansible.builtin.apt:
+    name: consul
+- name: Install nomad package
+  ansible.builtin.apt:
+    pkg: nomad
+- name: Copy in the consul configuration
+  vars: 
+    ip: "{{ ansible_default_ipv4['address'] }}"
+  ansible.builtin.template:
+    src: consul.hcl
+    dest: /etc/consul.d/consul.hcl
+    mode: "0644"
+- name: Start nomad
+  ansible.builtin.systemd_service:
+    name: nomad
+    state: started
+    enabled: true
+- name: Make sure the consul service is NOT available
+  ansible.builtin.systemd_service:
+    name: consul
+    state: stopped
+    enabled: true

ansible/roles/local-server-head/tasks/reverse_proxy.yaml

@@ -0,0 +1,31 @@
+- name: Keep /etc/hosts up to date
+  ansible.builtin.copy:
+    dest: /etc/hosts
+    src: host-file
+    mode: "0644"
+- name: Ensure nginx is setup as latest
+  ansible.builtin.apt:
+    name: nginx
+- name: Copy the nomad.conf to available configurations
+  ansible.builtin.copy:
+    src: "{{ item }}"
+    dest: "/etc/nginx/sites-available/{{ item }}"
+    mode: "0644"
+  loop:
+    - nomad.conf
+    - sanity.conf
+    - ncr.conf
+- name: Link the nomad.conf to sites-enabled
+  ansible.builtin.file:
+    path: "/etc/nginx/sites-enabled/{{ item }}"
+    state: link
+    src: "/etc/nginx/sites-available/{{ item }}"
+    mode: "0644"
+  loop:
+    - nomad.conf
+    - sanity.conf
+    - ncr.conf
+- name: Restart nginx
+  ansible.builtin.systemd_service:
+    name: nginx
+    state: restarted

ansible/roles/local-server-head/templates/consul.hcl

@@ -0,0 +1,12 @@
+bind_addr = "{{ ip }}"
+advertise_addr = "{{ ip }}"
+bootstrap = true
+bootstrap_expect = 1
+client_addr = "{{ ip }}"
+server = true
+data_dir = "/opt/consul"
+
+ui_config { 
+    enabled = true
+}
+

ansible/roles/local-server-head/templates/hashicorp.list

@@ -0,0 +1 @@
+deb [signed-by={{ keyfile }}] https://apt.releases.hashicorp.com jammy main

ansible/roles/local-server-head/vars/main.yaml

@@ -0,0 +1 @@
+host_vol_root: /opt/volumes

ansible/scripts/pull-down-s3.sh

@@ -1,23 +0,0 @@
-#!/bin/bash
-
-set -e
-
-bucket="$1"
-s3env=/opt/nginx/s3.env
-
-[[ -z "$bucket" ]] && echo "No bucket selected" && exit 1
-
-[[ ! -f $s3env ]] && echo "No credentials to source!" && exit 1
-source $s3env
-
-pull() {
-	aws s3 sync s3://$bucket /opt/nginx/$bucket
-}
-
-
-case $bucket in 
-	resume.shockrah.xyz|shockrah.xyz|temper.tv) pull;;
-	*) echo "Invalid bucket name" && exit 1 ;;
-esac
-
-

infra/containers/sanity-nginx/Dockerfile

@@ -0,0 +1,4 @@
+# Because I just really needed ok?
+FROM nginx:latest
+
+COPY default /etc/nginx/conf.d/default.conf

infra/containers/sanity-nginx/default

@@ -0,0 +1,15 @@
+server {
+    listen       8080;
+    listen  [::]:8080;
+    server_name  localhost;
+    location / {
+        root   /usr/share/nginx/html;
+        index  index.html index.htm;
+    }
+
+    error_page   500 502 503 504  /50x.html;
+    location = /50x.html {
+        root   /usr/share/nginx/html;
+    }
+
+}

infra/dns/build.sh

@@ -1,34 +0,0 @@
-#!/bin/bash
-
-set -e
-
-opt=$1
-plan=tfplan
-
-build_plan() {
-	echo Generating plan
-	set -x
-	terraform plan -var-file variables.tfvars -input=false -out $plan
-}
-
-deploy_plan() {
-	terraform apply $plan
-}
-
-init() {
-	terraform init
-}
-
-help_prompt() {
-	cat <<- EOF
-	Options: plan deploy help
-	EOF
-}
-
-# Default to building a plan
-source ./secrets.sh
-case $opt in 
-	plan) build_plan;;
-	deploy) deploy_plan;;
-	*) help_prompt;;
-esac

infra/dns/shockrah-xyz.tf

@@ -37,6 +37,7 @@ locals {
     { name = "www.shockrah.xyz",      records = [ var.vultr_host ] },
     { name = "resume.shockrah.xyz",   records = [ var.vultr_host ] },
     { name = "git.shockrah.xyz",      records = [ var.vultr_host ] },
+    { name = "lmao.shockrah.xyz",      records = [ "207.246.107.99" ] },
   ]
 }
 

infra/nigel-nomad/sanity-service.nomad.hcl

@@ -0,0 +1,30 @@
+# This 'service' job is just a simple nginx container that lives here as a kind of sanity check
+# PORT: 8080
+# DNS : sanity.nigel.local
+job "health" {
+    type = "service"
+
+    group "health" {
+        count = 1
+        network {
+            port "http" {
+                static = 8080
+            }
+        }
+
+        service {
+            name = "health-svc"
+            port = "http"
+            provider = "nomad"
+        }
+
+        task "health-setup" {
+            driver = "docker"
+
+            config {
+                image = "shockrah/sanity:latest"
+                ports = [ "http" ]
+            }
+        }
+    }
+}

infra/static-vultr/tarpit.tf

@@ -0,0 +1,28 @@
+resource tls_private_key tarpit {
+  algorithm = "RSA"
+  rsa_bits  = 4096
+}
+
+resource vultr_ssh_key tarpit {
+  name = "tarpit_ssh_key"
+  ssh_key = chomp(tls_private_key.tarpit.public_key_openssh)
+}
+
+resource vultr_instance tarpit {
+  # Core configuration
+  plan    = var.host.plan
+  region  = var.host.region
+  os_id   = var.host.os
+  enable_ipv6 = true
+
+
+  ssh_key_ids = [ vultr_ssh_key.host.id ]
+  firewall_group_id = vultr_firewall_group.host.id
+  label = "Tarpit"
+}
+
+
+output tarpit_ssh_key {
+  sensitive = true
+  value = tls_private_key.host.private_key_pem
+}

infra/vultr-kubernetes/admin-services.tf

@@ -17,7 +17,7 @@ resource kubernetes_pod admin {
     }
     spec {
         node_selector = {
-            NodeType = var.admin_services.namespace
+            "vke.vultr.com/node-pool" = var.admin_services.namespace
         }
         container {
             image = each.value.image

infra/vultr-kubernetes/cluster.tf

@@ -22,7 +22,7 @@ resource vultr_kubernetes_node_pools games {
   label     = var.game_servers.namespace
   min_nodes = var.cluster.pools["games"].min
   max_nodes = var.cluster.pools["games"].max
-  tag       = var.admin_services.namespace
+  tag       = var.game_servers.namespace
 }
 
 output k8s_config {

infra/vultr-kubernetes/dev/find-server.py

@@ -8,7 +8,7 @@ def get_args() -> Namespace:
         prog="Cluster Search Thing",
         description="General utility for finding resources for game server bot"
     )
-    games = {"reflex", "minecraft"}
+    games = {"health", "reflex", "minecraft"}
     parser.add_argument('-g', '--game', required=False, choices=games)
 
     admin = {"health"}
@@ -21,11 +21,19 @@ def k8s_api(config_path: str) -> client.api.core_v1_api.CoreV1Api:
 
 def get_admin_service_details(args: ArgumentParser, api: client.api.core_v1_api.CoreV1Api):
     print('admin thing requested', args.admin)
+    services = api.list_service_for_all_namespaces(label_selector=f'app={args.admin}')
+    if len(services.items) == 0:
+        print(f'Unable to find {args.admin} amongst the admin-services')
+        return
+    
+    port = services.items[0].spec.ports[0].port
+    node_ips = list(filter(lambda a: a.type == 'ExternalIP', api.list_node().items[0].status.addresses))
+    ipv4 = list(filter(lambda item: not re.match('[\d\.]{3}\d', item.address), node_ips))[0].address
+    ipv6 = list(filter(lambda item: re.match('[\d\.]{3}\d', item.address), node_ips))[0].address
+    
+    print(f'{args.admin} --> {ipv4}:{port} ~~> {ipv6}:{port}')
 
 def get_game_server_ip(args: ArgumentParser, api: client.api.core_v1_api.CoreV1Api):
-    pods = api.list_pod_for_all_namespaces(label_selector=f'app={args.game}')
-    node_name = pods.items[0].spec.node_name
-
     services = api.list_service_for_all_namespaces(label_selector=f'app={args.game}')
     port = services.items[0].spec.ports[0].port
 

infra/vultr-kubernetes/firewall.tf

@@ -29,4 +29,3 @@ resource vultr_firewall_rule admin-service-inbound {
   notes = each.value.port.notes
   port = each.value.port.expose
 }
-

infra/vultr-kubernetes/variables.tfvars

@@ -21,31 +21,22 @@ cluster = {
 game_servers = {
   namespace = "games"
   configs = {
-    # minecraft = {
-    #   image = "itzg/minecraft-server"
-    #   cpu   = "1000m"
-    #   mem   = "2048Mi"
-    #   port  = {
-    #     expose = 30808
-    #     internal = 80
-    #   }
-    # }
   }
 }
 
 admin_services = {
   namespace = "admin-services"
   configs = {
-    # health = {
+    health = {
-    #   image = "nginx:latest"
+      image = "nginx:latest"
-    #   name  = "health"
+      name  = "health"
-    #   cpu   = "200m"
+      cpu   = "200m"
-    #   mem   = "64Mi"
+      mem   = "64Mi"
-    #   port  = {
+      port  = {
-    #     notes    = "Basic nginx sanity check service"
+        notes    = "Basic nginx sanity check service"
-    #     expose   = 30800
+        expose   = 30800
-    #     internal = 80
+        internal = 80
-    #   }
+      }
-    # }
+    }
   }
 }