Class: Anima::Installer

Inherits:
Object
  • Object
show all
Defined in:
lib/anima/installer.rb

Constant Summary collapse

DIRECTORIES = 
%w[
  agents
  skills
  db
  config/credentials
  log
  tmp
  tmp/pids
  tmp/cache
].freeze
ANIMA_HOME = 
Pathname.new(File.expand_path("~/.anima")).freeze
TEMPLATE_DIR = 
File.expand_path("../../templates", __dir__).freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(anima_home: ANIMA_HOME) ⇒ Installer

Returns a new instance of Installer.



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# File 'lib/anima/installer.rb', line 25

def initialize(anima_home: ANIMA_HOME)
  @anima_home = anima_home
end

Instance Attribute Details

#anima_home ⇒ Object (readonly)

Returns the value of attribute anima_home.



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# File 'lib/anima/installer.rb', line 23

def anima_home
  @anima_home
end

Instance Method Details

#create_directories ⇒ Object 



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# File 'lib/anima/installer.rb', line 40

def create_directories
  DIRECTORIES.each do |dir|
    path = anima_home.join(dir)
    next if path.directory?

    FileUtils.mkdir_p(path)
    say "  created #{path}"
  end
end

#create_mcp_config ⇒ Object 



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# File 'lib/anima/installer.rb', line 71

def create_mcp_config
  config_path = anima_home.join("mcp.toml")
  return if config_path.exist?

  config_path.write(<<~TOML)
    # MCP server configuration
    # Declare MCP servers here. Anima connects on startup and
    # registers their tools alongside built-in ones.
    #
    # HTTP transport:
    # [servers.example]
    # transport = "http"
    # url = "http://localhost:3000/mcp/v2"
    # headers = { Authorization = "Bearer ${API_KEY}" }
    #
    # Stdio transport:
    # [servers.example]
    # transport = "stdio"
    # command = "my-mcp-server"
    # args = ["--verbose"]
    # env = { API_KEY = "${API_KEY}" }
  TOML
  say "  created #{config_path}"
end

#create_settings_config ⇒ Object 



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# File 'lib/anima/installer.rb', line 62

def create_settings_config
  config_path = anima_home.join("config.toml")
  return if config_path.exist?

  template = File.read(File.join(TEMPLATE_DIR, "config.toml"))
  config_path.write(template.gsub("{{ANIMA_HOME}}") { anima_home.to_s })
  say "  created #{config_path}"
end

#create_soul_file ⇒ Object

Copies the soul template to ~/.anima/soul.md — the agent’s self-authored identity file. Skips if the file already exists so agent-written content is never overwritten.



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# File 'lib/anima/installer.rb', line 53

def create_soul_file
  soul_path = anima_home.join("soul.md")
  return if soul_path.exist?

  template = File.join(TEMPLATE_DIR, "soul.md")
  soul_path.write(File.read(template))
  say "  created #{soul_path}"
end

#create_systemd_service ⇒ Object 



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# File 'lib/anima/installer.rb', line 132

def create_systemd_service
  service_dir = Pathname.new(File.expand_path("~/.config/systemd/user"))
  service_path = service_dir.join("anima.service")
  FileUtils.mkdir_p(service_dir)

  anima_bin = File.join(Gem.bindir, "anima")
  unit_content = <<~UNIT
    [Unit]
    Description=Anima - Personal AI Agent
    After=network.target

    [Service]
    Type=simple
    ExecStart=#{anima_bin} start -e production
    Restart=on-failure
    RestartSec=5

    [Install]
    WantedBy=default.target
  UNIT

  already_exists = service_path.exist?
  if already_exists && service_path.read == unit_content
    say "  anima.service unchanged"
  else
    service_path.write(unit_content)
    say "  #{already_exists ? "updated" : "created"} #{service_path}"
  end

  system("systemctl", "--user", "daemon-reload", err: File::NULL, out: File::NULL)
  system("systemctl", "--user", "enable", "--now", "anima.service", err: File::NULL, out: File::NULL)
  say "  enabled and started anima.service"
end

#generate_credentials ⇒ Object 



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# File 'lib/anima/installer.rb', line 96

def generate_credentials
  require "active_support"
  require "active_support/encrypted_configuration"

  %w[production development test].each do |env|
    content_path = anima_home.join("config", "credentials", "#{env}.yml.enc")
    key_path = anima_home.join("config", "credentials", "#{env}.key")

    next if key_path.exist? && content_path.exist?

    content_str = content_path.to_s
    key_str = key_path.to_s

    key = ActiveSupport::EncryptedFile.generate_key
    key_path.write(key)
    File.chmod(0o600, key_str)

    config = ActiveSupport::EncryptedConfiguration.new(
      config_path: content_str,
      key_path: key_str,
      env_key: "RAILS_MASTER_KEY",
      raise_if_missing_key: true
    )

    config.write(<<~YAML)
      secret_key_base: #{SecureRandom.hex(64)}
      active_record_encryption:
        primary_key: #{SecureRandom.base64(32)}
        deterministic_key: #{SecureRandom.base64(32)}
        key_derivation_salt: #{SecureRandom.base64(32)}
    YAML
    File.chmod(0o600, content_str)
    say "  created credentials for #{env}"
  end
end

#run ⇒ Object 



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# File 'lib/anima/installer.rb', line 29

def run
  say "Installing Anima to #{anima_home}..."
  create_directories
  create_soul_file
  create_settings_config
  create_mcp_config
  generate_credentials
  create_systemd_service
  say "Installation complete. Brain is running. Connect with 'anima tui'."
end