Module: PgDrive::Dump

Defined in:
lib/pg_drive/dump.rb

Class Method Summary collapse

Class Method Details

.call ⇒ Object 



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# File 'lib/pg_drive/dump.rb', line 4

def call
  stdin, stdout, stderr, wait_thr = Open3.popen3(
    pg_env,
    BACKUP_CMD,
    pgroup: true
  )

  tmpfile = Tempfile.new("pg_backup")
  tmpfile.write(stdout)
  tmpfile.rewind

  errors = stderr.read
  unless wait_thr.value.success? && errors.empty?
    raise BackupFailed, "Exit status: #{wait_thr.value.exitstatus}: #{errors}"
  end

  yield tmpfile
ensure
  [stdin, stdout, stderr, tmpfile].compact.each(&:close)
end

.db_conf ⇒ Object 



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# File 'lib/pg_drive/dump.rb', line 29

def db_conf
  @db_conf ||= Rails.configuration.database_configuration[Rails.env]
end

.pg_env ⇒ Object 



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# File 'lib/pg_drive/dump.rb', line 25

def pg_env
  PG_ENV_MAP.map { |k, v| [k, db_conf[v].to_s] }.to_h
end