Module: Aptible::CLI::Helpers::Database

Includes:
Environment, Token
Defined in:
lib/aptible/cli/helpers/database.rb

Constant Summary

Constants included from Token

Token::TOKEN_ENV_VAR

Instance Method Summary collapse

Methods included from Environment

#ensure_default_environment, #ensure_environment, #environment_from_handle, #scoped_environments

Methods included from Token

#current_token_hash, #fetch_token, #save_token, #token_file

Instance Method Details

#clone_database(source, dest_handle) ⇒ Object 



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# File 'lib/aptible/cli/helpers/database.rb', line 47

def clone_database(source, dest_handle)
  op = source.create_operation!(type: 'clone', handle: dest_handle)
  poll_for_success(op)

  databases_from_handle(dest_handle, source.).first
end

#databases_from_handle(handle, environment) ⇒ Object 



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# File 'lib/aptible/cli/helpers/database.rb', line 32

def databases_from_handle(handle, environment)
  if environment
    databases = environment.databases
  else
    databases = Aptible::Api::Database.all(token: fetch_token)
  end
  databases.select { |a| a.handle == handle }
end

#ensure_database(options = {}) ⇒ Object 



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# File 'lib/aptible/cli/helpers/database.rb', line 10

def ensure_database(options = {})
  db_handle = options[:db]
  environment_handle = options[:environment]

  fail Thor::Error, 'Database handle not specified' unless db_handle

  environment = environment_from_handle(environment_handle)
  if environment_handle && !environment
    fail Thor::Error, "Could not find environment #{environment_handle}"
  end
  databases = databases_from_handle(db_handle, environment)
  case databases.count
  when 1
    return databases.first
  when 0
    fail Thor::Error, "Could not find database #{db_handle}"
  else
    err = 'Multiple databases exist, please specify with --environment'
    fail Thor::Error, err
  end
end

#local_url(database, local_port) ⇒ Object 



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# File 'lib/aptible/cli/helpers/database.rb', line 83

def local_url(database, local_port)
  remote_url = database.connection_url
  uri = URI.parse(remote_url)

  "#{uri.scheme}://#{uri.user}:#{uri.password}@" \
  "127.0.0.1:#{local_port}#{uri.path}"
end

#present_environment_databases(environment) ⇒ Object 



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# File 'lib/aptible/cli/helpers/database.rb', line 41

def present_environment_databases(environment)
  say "=== #{environment.handle}"
  environment.databases.each { |db| say db.handle }
  say ''
end

#ssh_args(database) ⇒ Object 



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# File 'lib/aptible/cli/helpers/database.rb', line 91

def ssh_args(database)
  host = database..bastion_host
  port = database..bastion_port

  ['-o', 'SendEnv=APTIBLE_DATABASE',
   '-o', 'SendEnv=ACCESS_TOKEN',
   '-o', 'StrictHostKeyChecking=no',
   '-o', 'UserKnownHostsFile=/dev/null',
   '-p', port.to_s, "root@#{host}"]
end

#with_local_tunnel(database, port = 0) ⇒ Object

Creates a local tunnel and yields the helper



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# File 'lib/aptible/cli/helpers/database.rb', line 56

def with_local_tunnel(database, port = 0)
  env = {
    'ACCESS_TOKEN' => fetch_token,
    'APTIBLE_DATABASE' => database.href
  }
  command = ['ssh', '-q'] + ssh_args(database)
  Helpers::Tunnel.new(env, command).tap do |tunnel_helper|
    tunnel_helper.start(port)
    yield tunnel_helper
    tunnel_helper.stop
  end
end

#with_postgres_tunnel(database) ⇒ Object

Creates a local PG tunnel and yields the url to it



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# File 'lib/aptible/cli/helpers/database.rb', line 71

def with_postgres_tunnel(database)
  if database.type != 'postgresql'
    fail Thor::Error, 'This command only works for PostgreSQL'
  end

  with_local_tunnel(database) do |tunnel_helper|
    auth = "aptible:#{database.passphrase}"
    host = "localhost:#{tunnel_helper.port}"
    yield "postgresql://#{auth}@#{host}/db"
  end
end