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# File 'lib/aptible/cli/subcommands/db.rb', line 5
def self.included(thor)
thor.class_eval do
include Helpers::Operation
include Helpers::Token
desc 'db:create HANDLE', 'Create a new database'
option :type, default: 'postgresql'
option :size, default: 10
option :account
define_method 'db:create' do |handle|
account = ensure_account(options)
database = account.create_database(handle: handle,
type: options[:type])
if database.errors.any?
fail Thor::Error, database.errors.full_messages.first
else
op = database.create_operation(type: 'provision',
disk_size: options[:size])
poll_for_success(op)
say database.reload.connection_url
end
end
desc 'db:clone SOURCE DEST', 'Clone a database to create a new one'
define_method 'db:clone' do |source_handle, dest_handle|
dest = clone_database(source_handle, dest_handle)
say dest.connection_url
end
desc 'db:dump HANDLE', 'Dump a remote database to file'
define_method 'db:dump' do |handle|
dump_database(handle)
end
desc 'db:execute HANDLE SQL_FILE', 'Executes sql against a database'
define_method 'db:execute' do |handle, sql_path|
execute_local_tunnel(handle) do |url|
puts "Executing #{sql_path} against #{handle}"
`psql #{url} < #{sql_path}`
end
end
desc 'db:tunnel HANDLE', 'Create a local tunnel to a database'
option :port, type: :numeric
define_method 'db:tunnel' do |handle|
database = database_from_handle(handle)
local_port = options[:port] || random_local_port
puts "Creating tunnel at localhost:#{local_port}..."
establish_connection(database, local_port)
end
desc 'db:deprovision HANDLE', 'Deprovision a database'
define_method 'db:deprovision' do |handle|
database = database_from_handle(handle)
puts "Deprovisioning #{handle}..."
database.update!(status: 'deprovisioned')
database.create_operation(type: 'deprovision')
end
private
def establish_connection(database, local_port)
ENV['ACCESS_TOKEN'] = fetch_token
ENV['APTIBLE_DATABASE'] = database.handle
remote_port = claim_remote_port(database)
ENV['TUNNEL_PORT'] = remote_port
tunnel_args = "-L #{local_port}:localhost:#{remote_port}"
command = "ssh #{tunnel_args} #{common_ssh_args(database)}"
Kernel.exec(command)
end
def database_from_handle(handle, options = { postgres_only: false })
all = Aptible::Api::Database.all(token: fetch_token)
database = all.find { |a| a.handle == handle }
unless database
fail Thor::Error, "Could not find database #{handle}"
end
if options[:postgres_only] && database.type != 'postgresql'
fail Thor::Error, 'This command only works for PostgreSQL'
end
database
end
def clone_database(source_handle, dest_handle)
puts "Cloning #{source_handle} to #{dest_handle}"
source = database_from_handle(source_handle)
op = source.create_operation(type: 'clone', handle: dest_handle)
poll_for_success(op)
database_from_handle(dest_handle)
end
def dump_database(handle)
execute_local_tunnel(handle) do |url|
filename = "#{handle}.dump"
puts "Dumping to #{filename}"
`pg_dump #{url} > #{filename}`
end
end
def execute_local_tunnel(handle)
database = database_from_handle(handle, postgres_only: true)
local_port = random_local_port
pid = fork { establish_connection(database, local_port) }
sleep 10
auth = "aptible:#{database.passphrase}"
host = "localhost:#{local_port}"
yield "postgresql://#{auth}@#{host}/db"
ensure
Process.kill('HUP', pid) if pid
end
def random_local_port
dummy = TCPServer.new('127.0.0.1', 0)
port = dummy.addr[1]
dummy.close
port
end
def claim_remote_port(database)
ENV['ACCESS_TOKEN'] = fetch_token
`ssh #{common_ssh_args(database)} 2>/dev/null`.chomp
end
def common_ssh_args(database)
host = database.account.bastion_host
port = database.account.bastion_port
opts = " -o 'SendEnv=*' -o StrictHostKeyChecking=no " \
'-o UserKnownHostsFile=/dev/null'
connection_args = "-p #{port} root@#{host}"
"#{opts} #{connection_args}"
end
end
end
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