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Diffstat (limited to 'snippets/hyperstack/hyperstack_vm.rb')
| -rw-r--r-- | snippets/hyperstack/hyperstack_vm.rb | 1418 |
1 files changed, 0 insertions, 1418 deletions
diff --git a/snippets/hyperstack/hyperstack_vm.rb b/snippets/hyperstack/hyperstack_vm.rb deleted file mode 100644 index ac60da9..0000000 --- a/snippets/hyperstack/hyperstack_vm.rb +++ /dev/null @@ -1,1418 +0,0 @@ -#!/usr/bin/env ruby -# frozen_string_literal: true - -begin - require 'bundler/setup' -rescue LoadError - nil -rescue Gem::Exception => e - # Ruby can ship with a Bundler library version whose matching executable - # is not installed locally. Fall back to direct gem loading in that case. - raise unless e.is_a?(Gem::GemNotFoundException) || e.is_a?(Gem::LoadError) -end - -require 'json' -require 'net/http' -require 'open3' -require 'optparse' -require 'ipaddr' -require 'shellwords' -require 'socket' -require 'time' -require 'timeout' - -begin - require 'toml-rb' -rescue LoadError - warn "Missing dependency: toml-rb. Run `bundle install` in #{__dir__} first." - exit 2 -end - -module HyperstackVM - class Error < StandardError; end - - class Config - DEFAULTS = { - 'auth' => { - 'api_key_file' => '~/.hyperstack' - }, - 'hyperstack' => { - 'base_url' => 'https://infrahub-api.nexgencloud.com/v1' - }, - 'state' => { - 'file' => '.hyperstack-vm-state.json' - }, - 'vm' => { - 'name_prefix' => 'hyperstack', - 'hostname' => 'hyperstack', - 'flavor_name' => 'n3-A100x1', - 'image_name' => 'Ubuntu Server 24.04 LTS R570 CUDA 12.8 with Docker', - 'assign_floating_ip' => true, - 'create_bootable_volume' => false, - 'enable_port_randomization' => false, - 'labels' => %w[gpt-oss-120b wireguard] - }, - 'ssh' => { - 'username' => 'ubuntu', - 'private_key_path' => '~/.ssh/id_rsa', - 'hyperstack_key_name' => 'earth', - 'port' => 22, - 'connect_timeout_sec' => 10 - }, - 'network' => { - 'wireguard_udp_port' => 56_710, - 'wireguard_subnet' => '192.168.3.0/24', - 'ollama_port' => 11_434, - 'allowed_ssh_cidrs' => ['0.0.0.0/0'], - 'allowed_wireguard_cidrs' => ['0.0.0.0/0'] - }, - 'bootstrap' => { - 'enable_guest_bootstrap' => true, - 'install_wireguard' => true, - 'configure_ufw' => true, - 'configure_ollama_host' => false - }, - 'ollama' => { - 'install' => true, - 'models_dir' => '/ephemeral/ollama/models', - 'listen_host' => '0.0.0.0:11434', - 'gpu_overhead_mb' => 2000, - 'num_parallel' => 4, - 'pull_models' => ['qwen3-coder:30b', 'gpt-oss:20b', 'gpt-oss:120b', 'nemotron-3-super'] - }, - 'wireguard' => { - 'auto_setup' => true, - 'setup_script' => './wg1-setup.sh' - }, - 'local_client' => { - 'check_wg1_service' => true, - 'interface_name' => 'wg1', - 'config_path' => '/etc/wireguard/wg1.conf' - } - }.freeze - - attr_reader :path - - def self.load(path) - expanded = File.expand_path(path) - raise Error, "Config file not found: #{expanded}" unless File.exist?(expanded) - - raw = TomlRB.load_file(expanded) - new(raw, expanded) - rescue TomlRB::ParseError => e - raise Error, "Failed to parse TOML config #{expanded}: #{e.message}" - end - - def initialize(raw, path) - @path = path - @data = deep_merge(DEFAULTS, raw || {}) - validate! - end - - def api_key - key_path = expand_path(fetch('auth', 'api_key_file')) - raise Error, "API key file not found: #{key_path}" unless File.exist?(key_path) - - token = File.readlines(key_path, chomp: true).find { |line| !line.strip.empty? }&.strip - raise Error, "API key file is empty: #{key_path}" if token.nil? || token.empty? - - token - rescue Errno::EACCES => e - raise Error, "Cannot read API key file #{key_path}: #{e.message}" - end - - def api_base_url - fetch('hyperstack', 'base_url') - end - - def state_file - expand_path(fetch('state', 'file')) - end - - def environment_name - fetch('vm', 'environment_name') - end - - def flavor_name - fetch('vm', 'flavor_name') - end - - def image_name - fetch('vm', 'image_name') - end - - def vm_name_prefix - fetch('vm', 'name_prefix') - end - - def generated_vm_name - "#{vm_name_prefix}-#{Time.now.utc.strftime('%Y%m%d%H%M%S')}" - end - - def vm_hostname - value = fetch('vm', 'hostname') - return nil if blank?(value) - - value.to_s.downcase - end - - def assign_floating_ip? - truthy?(fetch('vm', 'assign_floating_ip')) - end - - def create_bootable_volume? - truthy?(fetch('vm', 'create_bootable_volume')) - end - - def enable_port_randomization? - truthy?(fetch('vm', 'enable_port_randomization')) - end - - def labels - Array(fetch('vm', 'labels')).map(&:to_s) - end - - def user_data - custom = custom_user_data - return custom unless custom.nil? || custom.empty? - return nil if vm_hostname.nil? - - default_hostname_cloud_init - rescue Errno::ENOENT => e - raise Error, "User data file not found: #{e.message}" - rescue Errno::EACCES => e - raise Error, "Cannot read user data file: #{e.message}" - end - - def ssh_username - fetch('ssh', 'username') - end - - def ssh_private_key_path - expand_path(fetch('ssh', 'private_key_path')) - end - - def ssh_key_name - fetch('ssh', 'hyperstack_key_name') - end - - def ssh_port - Integer(fetch('ssh', 'port')) - end - - def ssh_connect_timeout - Integer(fetch('ssh', 'connect_timeout_sec')) - end - - def wireguard_udp_port - Integer(fetch('network', 'wireguard_udp_port')) - end - - def wireguard_subnet - fetch('network', 'wireguard_subnet') - end - - def ollama_port - Integer(fetch('network', 'ollama_port')) - end - - def allowed_ssh_cidrs - Array(fetch('network', 'allowed_ssh_cidrs')).map(&:to_s) - end - - def allowed_wireguard_cidrs - Array(fetch('network', 'allowed_wireguard_cidrs')).map(&:to_s) - end - - def guest_bootstrap_enabled? - truthy?(fetch('bootstrap', 'enable_guest_bootstrap')) - end - - def install_wireguard? - truthy?(fetch('bootstrap', 'install_wireguard')) - end - - def configure_ufw? - truthy?(fetch('bootstrap', 'configure_ufw')) - end - - def configure_ollama_host? - truthy?(fetch('bootstrap', 'configure_ollama_host')) - end - - def ollama_install_enabled? - truthy?(fetch('ollama', 'install')) - end - - def ollama_models_dir - fetch('ollama', 'models_dir') - end - - def ollama_listen_host - fetch('ollama', 'listen_host') - end - - def ollama_gpu_overhead_mb - Integer(fetch('ollama', 'gpu_overhead_mb')) - end - - def ollama_num_parallel - Integer(fetch('ollama', 'num_parallel')) - end - - def ollama_pull_models - Array(fetch('ollama', 'pull_models')).map(&:to_s) - end - - def local_client_checks_enabled? - truthy?(fetch('local_client', 'check_wg1_service')) - end - - def local_interface_name - fetch('local_client', 'interface_name') - end - - def local_wg_config_path - fetch('local_client', 'config_path') - end - - def wireguard_auto_setup? - truthy?(fetch('wireguard', 'auto_setup')) - end - - def wireguard_setup_script - expand_path(fetch('wireguard', 'setup_script')) - end - - def desired_security_rules - rules = [] - - allowed_ssh_cidrs.each do |cidr| - rules << firewall_rule('tcp', ssh_port, cidr) - end - - allowed_wireguard_cidrs.each do |cidr| - rules << firewall_rule('udp', wireguard_udp_port, cidr) - end - - rules << firewall_rule('tcp', ollama_port, wireguard_subnet) - rules.uniq - end - - private - - def validate! - %w[auth hyperstack state vm ssh network bootstrap ollama wireguard local_client].each do |section| - raise Error, "Missing config section [#{section}]" unless @data.key?(section) - end - - %w[environment_name flavor_name image_name].each do |key| - raise Error, "Missing [vm].#{key} in config #{path}" if blank?(dig('vm', key)) - end - - if vm_hostname && vm_hostname !~ /\A[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?\z/ - raise Error, "Invalid [vm].hostname #{vm_hostname.inspect}; use lowercase letters, digits, and hyphens only." - end - - %w[username hyperstack_key_name].each do |key| - raise Error, "Missing [ssh].#{key} in config #{path}" if blank?(dig('ssh', key)) - end - - [wireguard_subnet, *allowed_ssh_cidrs, *allowed_wireguard_cidrs].each do |cidr| - IPAddr.new(cidr) - rescue IPAddr::InvalidAddressError => e - raise Error, "Invalid CIDR #{cidr.inspect}: #{e.message}" - end - end - - def firewall_rule(protocol, port, cidr) - ip = IPAddr.new(cidr) - { - 'direction' => 'ingress', - 'ethertype' => ip.ipv4? ? 'IPv4' : 'IPv6', - 'protocol' => protocol, - 'port_range_min' => port, - 'port_range_max' => port, - 'remote_ip_prefix' => cidr - } - end - - def fetch(section, key) - dig(section, key) - end - - def dig(*keys) - keys.reduce(@data) do |memo, key| - memo.is_a?(Hash) ? memo[key] : nil - end - end - - def blank?(value) - value.nil? || value.to_s.strip.empty? - end - - def truthy?(value) - value == true - end - - def custom_user_data - inline = dig('vm', 'user_data') - return inline unless inline.nil? || inline.empty? - - file = dig('vm', 'user_data_file') - return nil if file.nil? || file.empty? - - File.read(expand_path(file)) - end - - def default_hostname_cloud_init - <<~CLOUD_INIT - #cloud-config - preserve_hostname: false - hostname: #{vm_hostname} - CLOUD_INIT - end - - def expand_path(value) - return nil if value.nil? - - string = value.to_s - return File.expand_path(string) if string.start_with?('~') - return string if string.start_with?('/') - - File.expand_path(string, File.dirname(path)) - end - - def deep_merge(left, right) - left.merge(right) do |_key, old_value, new_value| - if old_value.is_a?(Hash) && new_value.is_a?(Hash) - deep_merge(old_value, new_value) - else - new_value - end - end - end - end - - class StateStore - def initialize(path) - @path = path - end - - attr_reader :path - - def load - return nil unless File.exist?(@path) - - JSON.parse(File.read(@path)) - rescue JSON::ParserError => e - raise Error, "Failed to parse state file #{@path}: #{e.message}" - end - - def save(payload) - temp_path = "#{@path}.tmp" - File.write(temp_path, JSON.pretty_generate(payload)) - File.rename(temp_path, @path) - end - - def delete - File.delete(@path) if File.exist?(@path) - end - end - - class HyperstackClient - def initialize(base_url:, api_key:) - @base_uri = URI(base_url) - @api_key = api_key - end - - def list_environments - response = request(:get, '/core/environments') - response.fetch('environments', []) - end - - def list_keypairs - response = request(:get, '/core/keypairs') - response.fetch('keypairs', []) - end - - def list_flavors - response = request(:get, '/core/flavors') - Array(response['data']).flat_map do |entry| - Array(entry['flavors']).map do |flavor| - flavor.merge( - 'region_name' => flavor['region_name'] || entry['region_name'], - 'gpu' => flavor['gpu'] || entry['gpu'] - ) - end - end - end - - def list_images - response = request(:get, '/core/images') - Array(response['images']).flat_map do |entry| - Array(entry['images']).map do |image| - image.merge( - 'region_name' => image['region_name'] || entry['region_name'], - 'type' => image['type'] || entry['type'] - ) - end - end - end - - def list_vms - response = request(:get, '/core/virtual-machines') - response.fetch('instances', []) - end - - def get_vm(vm_id) - response = request(:get, "/core/virtual-machines/#{vm_id}") - response.fetch('instance', nil) - end - - def create_vm(payload) - request(:post, '/core/virtual-machines', payload) - end - - def delete_vm(vm_id) - request(:delete, "/core/virtual-machines/#{vm_id}") - end - - def create_vm_rule(vm_id, payload) - request(:post, "/core/virtual-machines/#{vm_id}/sg-rules", payload) - end - - private - - def request(method, path, payload = nil) - uri = @base_uri.dup - uri.path = "#{@base_uri.path}#{path}" - - request = case method - when :get - Net::HTTP::Get.new(uri) - when :post - Net::HTTP::Post.new(uri) - when :delete - Net::HTTP::Delete.new(uri) - else - raise Error, "Unsupported HTTP method: #{method}" - end - - request['accept'] = 'application/json' - request['api_key'] = @api_key - if payload - request['content-type'] = 'application/json' - request.body = JSON.generate(payload) - end - - retries_left = 4 - begin - response = Net::HTTP.start( - uri.host, - uri.port, - use_ssl: uri.scheme == 'https', - open_timeout: 30, - read_timeout: 120 - ) { |http| http.request(request) } - - parse_response(response) - rescue Timeout::Error, Errno::ECONNREFUSED, Errno::ECONNRESET, - Errno::EHOSTUNREACH, Errno::ENETUNREACH, - SocketError, OpenSSL::SSL::SSLError, Net::OpenTimeout => e - raise Error, "Hyperstack API request failed for #{path}: #{e.message}" if retries_left <= 0 - - retries_left -= 1 - delay = (4 - retries_left) * 5 - warn "API request to #{path} failed (#{e.class}: #{e.message}), retrying in #{delay}s (#{retries_left} left)..." - sleep delay - retry - end - end - - def parse_response(response) - body = response.body.to_s - payload = body.empty? ? {} : JSON.parse(body) - - if response.code.to_i >= 400 || payload['status'] == false - message = payload['message'] || payload['error_reason'] || response.message - raise Error, "Hyperstack API error (HTTP #{response.code}): #{message}" - end - - payload - rescue JSON::ParserError => e - raise Error, "Failed to parse Hyperstack API response: #{e.message}" - end - end - - class LocalWireGuard - def initialize(interface_name:, config_path:) - @interface_name = interface_name - @config_path = config_path - end - - def status - { - 'service_state' => service_state, - 'config_path' => @config_path, - 'endpoint' => configured_endpoint, - 'config_readable' => !config_contents.nil? - } - end - - private - - def service_state - stdout, _stderr, status = Open3.capture3('systemctl', 'is-active', "wg-quick@#{@interface_name}") - value = stdout.to_s.strip - return value unless value.empty? - return 'active' if status.success? - - 'unknown' - end - - def configured_endpoint - content = config_contents - return nil if content.nil? - - parse_wireguard_config(content)['Endpoint'] - end - - def config_contents - return @config_contents if defined?(@config_contents) - - @config_contents = File.read(@config_path) - rescue Errno::EACCES, Errno::ENOENT - stdout, _stderr, status = Open3.capture3('sudo', '-n', 'cat', @config_path) - @config_contents = status.success? ? stdout : nil - end - - def parse_wireguard_config(content) - current_section = nil - peer = {} - - content.each_line do |line| - stripped = line.strip - next if stripped.empty? || stripped.start_with?('#') - - if stripped.start_with?('[') && stripped.end_with?(']') - current_section = stripped[1..-2] - next - end - - key, value = stripped.split('=', 2).map { |part| part&.strip } - next unless current_section == 'Peer' && key && value - - peer[key] = value - end - - peer - end - end - - class Manager - def initialize(config:, client:, state_store:, local_wireguard:, out: $stdout) - @config = config - @client = client - @state_store = state_store - @local_wireguard = local_wireguard - @out = out - end - - def create(replace: false, dry_run: false) - existing_state = @state_store.load - if existing_state && existing_state['vm_id'] - if replace - if dry_run - info "DRY RUN: would delete tracked VM #{existing_state['vm_id']} before creating a replacement." - else - delete(vm_id: existing_state['vm_id'], preserve_state_on_failure: true) - end - elsif resumable_state?(existing_state) - if dry_run - print_resume_dry_run(existing_state) - return - end - - info "Resuming tracked VM #{existing_state['vm_id']} provisioning..." - continue_create(existing_state) - return - else - raise Error, - "State file #{@state_store.path} already tracks VM #{existing_state['vm_id']}. Use --replace or delete first." - end - end - - resolved = resolve_dependencies - vm_name = @config.generated_vm_name - if dry_run - info "Planning VM #{vm_name} in #{resolved[:environment]['name']} using #{@config.flavor_name}..." - else - info "Creating VM #{vm_name} in #{resolved[:environment]['name']} using #{@config.flavor_name}..." - end - - payload = build_create_payload(vm_name, resolved) - if dry_run - print_create_dry_run(vm_name, resolved, payload) - return - end - - response = @client.create_vm(payload) - instance = Array(response['instances']).first - raise Error, 'Hyperstack create response did not include an instance ID.' unless instance && instance['id'] - - state = { - 'vm_id' => instance['id'], - 'vm_name' => vm_name, - 'environment_name' => resolved[:environment]['name'], - 'region' => resolved[:environment]['region'], - 'flavor_name' => resolved[:flavor]['name'], - 'image_name' => resolved[:image]['name'], - 'key_name' => resolved[:keypair]['name'], - 'public_ip' => instance['floating_ip'], - 'created_at' => Time.now.utc.iso8601 - } - @state_store.save(state) - continue_create(state) - end - - def delete(vm_id: nil, preserve_state_on_failure: false, dry_run: false) - state = @state_store.load - target_vm_id = vm_id || state&.dig('vm_id') - raise Error, "No VM ID provided and no state file found at #{@state_store.path}." if target_vm_id.nil? - - if dry_run - print_delete_dry_run(target_vm_id, state, preserve_state_on_failure: preserve_state_on_failure) - return - end - - info "Deleting VM #{target_vm_id}..." - @client.delete_vm(target_vm_id) - wait_for_deletion(target_vm_id) - @state_store.delete unless preserve_state_on_failure - info "VM #{target_vm_id} deleted." - rescue Error - raise if preserve_state_on_failure - - @state_store.delete - raise - end - - def status - state = @state_store.load - if state.nil? - info "No tracked VM state file at #{@state_store.path}." - else - begin - vm = @client.get_vm(state['vm_id']) - desired = @config.desired_security_rules.map { |rule| normalize_rule(rule) } - current = Array(vm['security_rules']).map { |rule| normalize_rule(rule) } - missing_rules = desired - current - - info "Tracked VM: #{state['vm_id']} #{vm['name']}" - info "Status: #{vm['status']} / #{vm['vm_state']}" - info "Public IP: #{connect_host_for(vm) || 'none'}" - info "Missing firewall rules: #{missing_rules.empty? ? 'none' : missing_rules.size}" - rescue Error => e - warn "Unable to load VM #{state['vm_id']}: #{e.message}" - end - end - - print_local_wireguard_summary(state&.dig('public_ip')) - end - - private - - def resumable_state?(state) - state['vm_id'] && (state['bootstrapped_at'].nil? || ollama_setup_needed?(state) || wireguard_setup_needed?(state)) - end - - def continue_create(state) - vm_id = state['vm_id'] - - vm = wait_for_vm_ready(vm_id) - ensure_security_rules(vm) - vm = wait_for_connect_ip(vm_id) - state['public_ip'] = connect_host_for(vm) - state['security_rules'] = Array(vm['security_rules']).map { |rule| normalize_rule(rule) } - @state_store.save(state) - - wait_for_ssh(state['public_ip']) - if @config.guest_bootstrap_enabled? && state['bootstrapped_at'].nil? - bootstrap_guest(state['public_ip']) - state['bootstrapped_at'] = Time.now.utc.iso8601 - @state_store.save(state) - end - - # Install Ollama binary and configure the service (fast), but defer - # model pulls until after the WireGuard tunnel is up so that the user - # can monitor progress over the tunnel. - if @config.ollama_install_enabled? && state['ollama_installed_at'].nil? - install_ollama_service(state['public_ip']) - state['ollama_installed_at'] = Time.now.utc.iso8601 - @state_store.save(state) - end - - if wireguard_setup_needed?(state) - run_wireguard_setup(state['public_ip']) - state['wireguard_setup_at'] = Time.now.utc.iso8601 - @state_store.save(state) - end - - # Pull and verify models after the tunnel is established - if ollama_setup_needed?(state) - pull_ollama_models(state['public_ip']) - state['ollama_setup_at'] = Time.now.utc.iso8601 - state['ollama_models_dir'] = @config.ollama_models_dir - state['ollama_pulled_models'] = desired_ollama_models - @state_store.save(state) - end - - vm = @client.get_vm(vm_id) - state['security_rules'] = Array(vm['security_rules']).map { |rule| normalize_rule(rule) } - state['status'] = vm['status'] - state['vm_state'] = vm['vm_state'] - state['provisioned_at'] = Time.now.utc.iso8601 - @state_store.save(state) - - info "VM ready: #{state['public_ip']} (id=#{state['vm_id']})" - print_local_wireguard_summary(state['public_ip']) - end - - def build_create_payload(vm_name, resolved) - payload = { - 'name' => vm_name, - 'count' => 1, - 'environment_name' => resolved[:environment]['name'], - 'flavor_name' => resolved[:flavor]['name'], - 'image_name' => resolved[:image]['name'], - 'key_name' => resolved[:keypair]['name'], - 'assign_floating_ip' => @config.assign_floating_ip?, - 'create_bootable_volume' => @config.create_bootable_volume?, - 'enable_port_randomization' => @config.enable_port_randomization?, - 'security_rules' => @config.desired_security_rules - } - payload['labels'] = @config.labels unless @config.labels.empty? - payload['user_data'] = @config.user_data if @config.user_data - payload - end - - def resolve_dependencies - environment = @client.list_environments.find { |item| item['name'] == @config.environment_name } - raise Error, "Environment #{@config.environment_name.inspect} was not found in Hyperstack." unless environment - - flavor = @client.list_flavors.find do |item| - item['name'] == @config.flavor_name && item['region_name'] == environment['region'] - end - raise Error, "Flavor #{@config.flavor_name.inspect} is not available in #{environment['region']}." unless flavor - - if flavor['stock_available'] == false - raise Error, - "Flavor #{@config.flavor_name.inspect} exists in #{environment['region']} but is out of stock." - end - - image = @client.list_images.find do |item| - item['name'] == @config.image_name && item['region_name'] == environment['region'] - end - raise Error, "Image #{@config.image_name.inspect} is not available in #{environment['region']}." unless image - - keypair = @client.list_keypairs.find do |item| - item['name'] == @config.ssh_key_name && item.dig('environment', 'name') == environment['name'] - end - unless keypair - raise Error, - "Keypair #{@config.ssh_key_name.inspect} was not found in environment #{environment['name']}." - end - - { - environment: environment, - flavor: flavor, - image: image, - keypair: keypair - } - end - - def wait_for_vm_ready(vm_id) - with_polling("VM #{vm_id} to become ready for firewall updates") do - vm = @client.get_vm(vm_id) - next nil if vm.nil? - - raise Error, "VM #{vm_id} entered failed state #{vm['status']} / #{vm['vm_state']}." if failed_vm?(vm) - - vm_ready_for_updates?(vm) ? vm : nil - end - end - - def wait_for_connect_ip(vm_id) - ip_label = @config.assign_floating_ip? ? 'floating IP' : 'reachable IP' - with_polling("VM #{vm_id} to receive a #{ip_label}") do - vm = @client.get_vm(vm_id) - raise Error, "VM #{vm_id} entered failed state #{vm['status']} / #{vm['vm_state']}." if failed_vm?(vm) - - connect_host_for(vm) ? vm : nil - end - end - - def wait_for_ssh(host) - # Remove stale host key for this IP — VMs frequently reuse IPs after - # delete/recreate, causing StrictHostKeyChecking to reject the new key - remove_stale_host_key(host) - info "Waiting for SSH on #{host}:#{@config.ssh_port}..." - with_polling("SSH on #{host}:#{@config.ssh_port}") do - next nil unless tcp_open?(host, @config.ssh_port) - - stdout, stderr, status = run_ssh_command(host, 'true') - if status.success? - true - else - warn "SSH not ready yet: #{stderr.strip}" unless stderr.to_s.strip.empty? - nil - end - end - end - - def ensure_security_rules(vm) - existing = Array(vm['security_rules']).map { |rule| normalize_rule(rule) } - desired = @config.desired_security_rules.map { |rule| normalize_rule(rule) } - - (desired - existing).each do |rule| - info "Adding Hyperstack firewall rule #{rule['protocol']} #{rule['remote_ip_prefix']} #{rule['port_range_min']}..." - @client.create_vm_rule(vm['id'], rule) - end - end - - def bootstrap_guest(host) - info 'Bootstrapping Ubuntu guest over SSH...' - retries = 3 - retries.times do |attempt| - stdout, stderr, status = run_ssh_command(host, guest_bootstrap_script) - return if status.success? - - msg = stderr.strip.empty? ? stdout : stderr - raise Error, "Guest bootstrap failed after #{retries} attempts: #{msg}" if attempt == retries - 1 - - warn "Bootstrap attempt #{attempt + 1}/#{retries} failed (#{msg.lines.last&.strip}), retrying in 15s..." - sleep 15 - end - end - - def ollama_setup_needed?(state) - return false unless @config.ollama_install_enabled? - # Re-run setup if state has no record, or if desired models changed - return true if state['ollama_setup_at'].nil? - - model_list_signature(desired_ollama_models) != model_list_signature(state['ollama_pulled_models']) - end - - def install_ollama_service(host) - info "Installing and configuring Ollama on #{host}..." - output, status = run_ssh_command_streaming(host, ollama_install_script) - raise Error, "Ollama install failed: #{output.strip}" unless status.success? - end - - def pull_ollama_models(host) - info "Pulling Ollama models on #{host}..." - output, status = run_ssh_command_streaming(host, ollama_pull_script) - raise Error, "Ollama model pull failed: #{output.strip}" unless status.success? - - # Verify all models are actually present on the remote (belt-and-suspenders - # check in case ollama pull returned 0 without actually pulling the model) - verify_remote_models(host) - end - - def verify_remote_models(host) - stdout, _stderr, status = run_ssh_command(host, 'ollama list') - return unless status.success? - - remote_models = stdout.lines.drop(1).map { |l| l.split.first }.compact - missing = desired_ollama_models.reject { |m| remote_models.any? { |r| r.start_with?(m) } } - return if missing.empty? - - raise Error, "Models missing after setup: #{missing.join(', ')}. Remote has: #{remote_models.join(', ')}" - end - - def wireguard_setup_needed?(state) - return false unless @config.wireguard_auto_setup? - - public_ip = state['public_ip'].to_s.strip - return true if public_ip.empty? - - expected_endpoint = "#{public_ip}:#{@config.wireguard_udp_port}" - @local_wireguard.status['endpoint'] != expected_endpoint - end - - def run_wireguard_setup(host) - validate_wireguard_setup_script! - retries = 3 - retries.times do |attempt| - info "Running WireGuard auto-setup via #{@config.wireguard_setup_script} #{host}..." - - status = run_wireguard_script(host) - return if status.success? - - if attempt == retries - 1 - raise Error, "WireGuard setup failed after #{retries} attempts (exit #{status.exitstatus})." - end - - delay = (attempt + 1) * 15 - warn "WireGuard setup attempt #{attempt + 1}/#{retries} failed (exit #{status.exitstatus}), retrying in #{delay}s..." - sleep delay - end - end - - def run_wireguard_script(host) - Open3.popen2e('bash', @config.wireguard_setup_script, host) do |stdin, output, wait_thr| - stdin.sync = true - stdin.puts - stdin.close - - output.each { |line| @out.print(line) } - wait_thr.value - end - end - - def wait_for_deletion(vm_id) - info "Waiting for VM #{vm_id} deletion to complete..." - with_polling("VM #{vm_id} deletion", timeout: 300) do - @client.get_vm(vm_id) - nil - rescue Error => e - raise unless e.message.include?('not_found') || e.message.include?('does not exists') - - true - end - end - - def connect_host_for(vm) - return vm['floating_ip'] if @config.assign_floating_ip? - - vm['floating_ip'] || vm['fixed_ip'] - end - - def validate_wireguard_setup_script! - script_path = @config.wireguard_setup_script - raise Error, "WireGuard setup script not found: #{script_path}" unless File.exist?(script_path) - - mismatches = [] - mismatches << "ssh.username must be 'ubuntu'" unless @config.ssh_username == 'ubuntu' - mismatches << "local_client.interface_name must be 'wg1'" unless @config.local_interface_name == 'wg1' - mismatches << 'network.wireguard_udp_port must be 56710' unless @config.wireguard_udp_port == 56_710 - mismatches << "network.wireguard_subnet must be '192.168.3.0/24'" unless @config.wireguard_subnet == '192.168.3.0/24' - - return if mismatches.empty? - - raise Error, "Configured WireGuard settings do not match #{script_path}: #{mismatches.join('; ')}" - end - - def remove_stale_host_key(host) - system('ssh-keygen', '-R', host, out: File::NULL, err: File::NULL) - # Also remove bracketed form for non-standard ports - if @config.ssh_port != 22 - system('ssh-keygen', '-R', "[#{host}]:#{@config.ssh_port}", out: File::NULL, err: File::NULL) - end - end - - def failed_vm?(vm) - [vm['status'], vm['vm_state'], vm['power_state']].compact.any? do |value| - value.to_s.downcase.match?(/error|failed|deleted|shelved/) - end - end - - def vm_ready_for_updates?(vm) - %w[ACTIVE SHUTOFF HIBERNATED].include?(vm['status'].to_s.upcase) - end - - def tcp_open?(host, port) - Socket.tcp(host, port, connect_timeout: @config.ssh_connect_timeout) do |sock| - sock.close - true - end - rescue Errno::ECONNREFUSED, Errno::ETIMEDOUT, Errno::EHOSTUNREACH, Errno::ENETUNREACH, SocketError, IOError - false - end - - def run_ssh_command(host, remote_script) - Open3.capture3(*ssh_command(host), stdin_data: remote_script) - end - - def run_ssh_command_streaming(host, remote_script) - combined_output = +'' - Open3.popen2e(*ssh_command(host)) do |stdin, output, wait_thr| - stdin.write(remote_script) - stdin.close - - output.each do |line| - combined_output << line - @out.print(line) - end - - return [combined_output, wait_thr.value] - end - end - - def ssh_command(host) - command = [ - 'ssh', - '-o', 'BatchMode=yes', - '-o', 'StrictHostKeyChecking=accept-new', - '-o', "ConnectTimeout=#{@config.ssh_connect_timeout}", - '-p', @config.ssh_port.to_s - ] - if File.exist?(@config.ssh_private_key_path) - command.concat(['-i', @config.ssh_private_key_path]) - else - warn "SSH private key #{@config.ssh_private_key_path} does not exist; falling back to default ssh-agent identity." - end - - command << "#{@config.ssh_username}@#{host}" - command << 'bash -se' - command - end - - def with_polling(description, timeout: 900, interval: 5) - deadline = Time.now + timeout - loop do - result = yield - return result if result - - raise Error, "Timed out waiting for #{description}." if Time.now >= deadline - - sleep interval - end - end - - def normalize_rule(rule) - { - 'direction' => rule['direction'].to_s.downcase, - 'ethertype' => rule['ethertype'].to_s, - 'protocol' => rule['protocol'].to_s.downcase, - 'port_range_min' => integer_or_nil(rule['port_range_min']), - 'port_range_max' => integer_or_nil(rule['port_range_max']), - 'remote_ip_prefix' => rule['remote_ip_prefix'].to_s - } - end - - def print_create_dry_run(vm_name, resolved, payload) - info 'DRY RUN: no VM or state file will be created.' - info "State file: #{@state_store.path}" - info "Resolved environment: #{resolved[:environment]['name']} (region #{resolved[:environment]['region']})" - info "Resolved flavor: #{format_flavor(resolved[:flavor])}" - info "Resolved image: #{resolved[:image]['name']}" - info "Resolved SSH keypair: #{resolved[:keypair]['name']}" - info "Planned VM name: #{vm_name}" - info 'Create payload:' - @out.puts(JSON.pretty_generate(payload)) - if @config.guest_bootstrap_enabled? - info 'Guest bootstrap script:' - @out.puts(guest_bootstrap_script) - else - info 'Guest bootstrap is disabled in config.' - end - if @config.ollama_install_enabled? - info "Ollama will be installed with models stored under #{@config.ollama_models_dir}" - unless desired_ollama_models.empty? - info "Ollama models to pre-pull: #{desired_ollama_models.join(', ')}" - end - end - if @config.wireguard_auto_setup? - info "WireGuard auto-setup script: #{@config.wireguard_setup_script} <vm_public_ip>" - end - print_local_wireguard_summary(nil) - end - - def print_resume_dry_run(state) - info "DRY RUN: would resume provisioning tracked VM #{state['vm_id']}." - begin - vm = @client.get_vm(state['vm_id']) - info "Tracked VM status: #{vm['status']} / #{vm['vm_state']}" - info "Tracked VM public IP: #{connect_host_for(vm) || 'none'}" - rescue Error => e - warn "Unable to inspect tracked VM #{state['vm_id']}: #{e.message}" - end - if @config.guest_bootstrap_enabled? - info 'Guest bootstrap script:' - @out.puts(guest_bootstrap_script) - end - if ollama_setup_needed?(state) - info "Ollama would be installed with models stored under #{@config.ollama_models_dir}" - unless desired_ollama_models.empty? - info "Ollama models to pre-pull: #{desired_ollama_models.join(', ')}" - end - end - if wireguard_setup_needed?(state) - info "WireGuard auto-setup script would run: #{@config.wireguard_setup_script} #{state['public_ip'] || '<pending-public-ip>'}" - end - print_local_wireguard_summary(state['public_ip']) - end - - def print_delete_dry_run(target_vm_id, state, preserve_state_on_failure:) - info 'DRY RUN: no VM will be deleted.' - begin - vm = @client.get_vm(target_vm_id) - info "Delete target: #{target_vm_id} #{vm['name']} (#{vm['status']} / #{vm['vm_state']})" - info "Delete target public IP: #{connect_host_for(vm) || 'none'}" - rescue Error => e - warn "Unable to inspect VM #{target_vm_id} before delete: #{e.message}" - end - - if state && state['vm_id'].to_i == target_vm_id.to_i - action = preserve_state_on_failure ? 'would remain unchanged' : 'would be removed' - info "Tracked state file #{@state_store.path} #{action}." - else - info 'No tracked state entry would be modified.' - end - end - - def format_flavor(flavor) - gpu = flavor['gpu'].to_s.empty? ? 'CPU-only' : flavor['gpu'] - [ - flavor['name'], - gpu, - "#{flavor['gpu_count']} GPU", - "#{flavor['ram']} GB RAM", - "#{flavor['cpu']} vCPU", - "stock=#{flavor['stock_available']}" - ].join(', ') - end - - def guest_bootstrap_script - script = [] - script << 'set -euo pipefail' - - # Wait for any running unattended-upgrades or apt locks to release - # before attempting package operations (transient lock on fresh VMs) - script << 'echo "Waiting for apt locks to clear..."' - script << 'for i in $(seq 1 30); do' - script << ' if ! fuser /var/lib/dpkg/lock-frontend /var/lib/apt/lists/lock /var/cache/apt/archives/lock >/dev/null 2>&1; then break; fi' - script << ' echo " apt lock held, waiting ($i/30)..."; sleep 10' - script << 'done' - script << 'sudo systemctl stop unattended-upgrades.service 2>/dev/null || true' - script << 'sudo systemctl disable unattended-upgrades.service 2>/dev/null || true' - - if @config.install_wireguard? - script << 'which wg >/dev/null 2>&1 || (sudo apt-get update && sudo apt-get install -y wireguard)' - end - - if @config.configure_ufw? - script << "sudo ufw allow #{@config.ssh_port}/tcp comment 'Allow SSH' >/dev/null 2>&1 || true" - script << 'sudo ufw --force enable >/dev/null 2>&1 || true' - script << "sudo ufw allow #{@config.wireguard_udp_port}/udp comment 'WireGuard #{@config.local_interface_name}' >/dev/null 2>&1 || true" - script << "sudo ufw allow from #{Shellwords.escape(@config.wireguard_subnet)} to any port #{@config.ollama_port} proto tcp comment 'Ollama via #{@config.local_interface_name}' >/dev/null 2>&1 || true" - end - - if @config.configure_ollama_host? - # Only write a minimal OLLAMA_HOST override if no override exists yet; - # ollama_setup_script writes the full override (OLLAMA_MODELS, GPU_OVERHEAD, etc.) - script << "if systemctl list-unit-files | grep -q '^ollama.service'; then" - script << ' if [ ! -f /etc/systemd/system/ollama.service.d/override.conf ]; then' - script << ' sudo mkdir -p /etc/systemd/system/ollama.service.d' - script << " cat <<'OVERRIDE' | sudo tee /etc/systemd/system/ollama.service.d/override.conf >/dev/null" - script << '[Service]' - script << "Environment=\"OLLAMA_HOST=0.0.0.0:#{@config.ollama_port}\"" - script << 'OVERRIDE' - script << ' sudo systemctl daemon-reload' - script << ' sudo systemctl restart ollama || true' - script << ' fi' - script << 'fi' - end - - script << 'echo bootstrap-ok' - script.join("\n") - end - - def desired_ollama_models - normalized_model_list(@config.ollama_pull_models) - end - - def normalized_model_list(models) - Array(models).each_with_object([]) do |model, ordered| - normalized = model.to_s.strip - next if normalized.empty? || ordered.include?(normalized) - - ordered << normalized - end - end - - def model_list_signature(models) - normalized_model_list(models).sort - end - - # Installs the Ollama binary, configures the systemd override (models dir, - # listen host, GPU overhead, parallelism), and starts the service. Model - # pulls are handled separately by ollama_pull_script so that the WireGuard - # tunnel can be established first. - def ollama_install_script - models_dir = @config.ollama_models_dir - listen_host = @config.ollama_listen_host - - script = [] - script << 'set -euo pipefail' - script << 'sudo pkill -f unattended-upgrade >/dev/null 2>&1 || true' - script << "if ! command -v ollama >/dev/null 2>&1; then curl -fsSL https://ollama.ai/install.sh | sh; fi" - if models_dir.start_with?('/ephemeral') - script << "mountpoint -q /ephemeral || { echo 'Expected /ephemeral mount is missing'; exit 1; }" - end - script << "sudo mkdir -p #{Shellwords.escape(models_dir)}" - script << "sudo chown -R ollama:ollama #{Shellwords.escape(File.dirname(models_dir))}" - script << 'sudo mkdir -p /etc/systemd/system/ollama.service.d' - script << "cat <<'OVERRIDE' | sudo tee /etc/systemd/system/ollama.service.d/override.conf >/dev/null" - script << '[Service]' - script << "Environment=\"OLLAMA_MODELS=#{models_dir}\"" - script << "Environment=\"OLLAMA_GPU_OVERHEAD=#{@config.ollama_gpu_overhead_mb}\"" - script << "Environment=\"OLLAMA_NUM_PARALLEL=#{@config.ollama_num_parallel}\"" - script << "Environment=\"OLLAMA_HOST=#{listen_host}\"" - script << 'OVERRIDE' - script << 'sudo systemctl daemon-reload' - script << 'sudo systemctl enable --now ollama' - script << 'sudo systemctl restart ollama' - script << 'sleep 3' - script << 'systemctl is-active --quiet ollama' - script << 'echo ollama-install-ok' - script.join("\n") - end - - # Pulls each configured model with retry and per-model + final verification. - # Run after WireGuard is up so the user can monitor progress over the tunnel. - def ollama_pull_script - models_dir = @config.ollama_models_dir - model_pulls = desired_ollama_models - - script = [] - script << 'set -euo pipefail' - # Pull each model with retry (transient network failures) and verify - # it is actually present afterwards - model_pulls.each do |model| - escaped = Shellwords.escape(model) - script << "echo \"Pulling model #{model}...\"" - script << "for attempt in 1 2 3; do" - script << " if ollama pull #{escaped}; then break; fi" - script << " if [ \"$attempt\" -eq 3 ]; then echo \"FATAL: failed to pull #{model} after 3 attempts\"; exit 1; fi" - script << " echo \" pull attempt $attempt failed, retrying in 15s...\"; sleep 15" - script << "done" - script << "ollama show #{escaped} --modelfile >/dev/null 2>&1 || { echo \"FATAL: model #{model} not found after pull\"; exit 1; }" - end - # Final verification: ensure all expected models are listed - script << 'echo "Verifying all models are present..."' - model_pulls.each do |model| - escaped = Shellwords.escape(model) - script << "ollama show #{escaped} --modelfile >/dev/null 2>&1 || { echo \"FATAL: model #{model} missing in final check\"; exit 1; }" - end - script << "echo ollama-models-dir=#{models_dir}" - script << 'echo ollama-ok' - script.join("\n") - end - - def integer_or_nil(value) - value.nil? ? nil : Integer(value) - end - - def print_local_wireguard_summary(expected_ip) - return unless @config.local_client_checks_enabled? - - wg_status = @local_wireguard.status - endpoint = wg_status['endpoint'] - info "Local WireGuard #{@config.local_interface_name}: #{wg_status['service_state']}" - if endpoint - info "Local WireGuard endpoint: #{endpoint}" - if expected_ip - host, = endpoint.split(':', 2) - if host == expected_ip - info 'Local WireGuard endpoint matches the managed VM IP.' - else - warn "Local WireGuard endpoint points to #{host}, expected #{expected_ip}." - end - end - else - warn "Unable to read #{@config.local_wg_config_path} for local WireGuard endpoint validation." - end - end - - def info(message) - @out.puts(message) - end - - def warn(message) - @out.puts("WARN: #{message}") - end - end - - class CLI - def initialize(argv) - @argv = argv.dup - end - - def run - global = { - config_path: File.join(__dir__, 'hyperstack-vm.toml') - } - - global_parser = OptionParser.new do |opts| - opts.banner = 'Usage: ruby hyperstack_vm.rb [--config path] <create|delete|status> [options]' - opts.on('--config PATH', "Path to TOML config (default: #{global[:config_path]})") do |value| - global[:config_path] = value - end - opts.on('-h', '--help', 'Show help') do - puts opts - puts - puts 'Commands:' - puts ' create [--replace] [--dry-run]' - puts ' delete [--vm-id ID] [--dry-run]' - puts ' status' - exit 0 - end - end - global_parser.order!(@argv) - - command = @argv.shift - raise Error, 'Missing command. Use create, delete, or status.' if command.nil? - - config = Config.load(global[:config_path]) - state_store = StateStore.new(config.state_file) - client = HyperstackClient.new(base_url: config.api_base_url, api_key: config.api_key) - local_wireguard = LocalWireGuard.new( - interface_name: config.local_interface_name, - config_path: config.local_wg_config_path - ) - manager = Manager.new( - config: config, - client: client, - state_store: state_store, - local_wireguard: local_wireguard - ) - - case command - when 'create' - replace = false - dry_run = false - parser = OptionParser.new do |opts| - opts.on('--replace', 'Delete the tracked VM before creating a new one') { replace = true } - opts.on('--dry-run', 'Resolve config and print the create plan without creating a VM') { dry_run = true } - end - parser.parse!(@argv) - manager.create(replace: replace, dry_run: dry_run) - when 'delete' - vm_id = nil - dry_run = false - parser = OptionParser.new do |opts| - opts.on('--vm-id ID', Integer, 'Delete a VM by ID instead of using the local state file') do |value| - vm_id = value - end - opts.on('--dry-run', 'Show which VM would be deleted without deleting it') { dry_run = true } - end - parser.parse!(@argv) - manager.delete(vm_id: vm_id, dry_run: dry_run) - when 'status' - manager.status - else - raise Error, "Unknown command #{command.inspect}. Use create, delete, or status." - end - end - end -end - -begin - HyperstackVM::CLI.new(ARGV).run -rescue HyperstackVM::Error => e - warn "ERROR: #{e.message}" - exit 1 -end |