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## The contents of this file are subject to the Mozilla Public License
## Version 1.1 (the "License"); you may not use this file except in
## compliance with the License. You may obtain a copy of the License
## at http://www.mozilla.org/MPL/
##
## Software distributed under the License is distributed on an "AS IS"
## basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
## the License for the specific language governing rights and
## limitations under the License.
##
## The Original Code is RabbitMQ.
##
## The Initial Developer of the Original Code is GoPivotal, Inc.
## Copyright (c) 2007-2017 Pivotal Software, Inc. All rights reserved.
# Provides common validation functions.
defmodule RabbitMQ.CLI.Core.Validators do
alias RabbitMQ.CLI.Core.Helpers, as: Helpers
def chain([validator | rest], args) do
case apply(validator, args) do
:ok -> chain(rest, args)
{:ok, _} -> chain(rest, args)
{:validation_failure, err} -> {:validation_failure, err}
{:error, err} -> {:validation_failure, err}
end
end
def chain([], _) do
:ok
end
def node_is_not_running(_, %{node: node_name}) do
case Helpers.node_running?(node_name) do
true -> {:validation_failure, :node_running};
false -> :ok
end
end
def node_is_running(_, %{node: node_name}) do
case Helpers.node_running?(node_name) do
false -> {:validation_failure, :node_not_running};
true -> :ok
end
end
def mnesia_dir_is_set(_, opts) do
case Helpers.require_mnesia_dir(opts) do
:ok -> :ok;
{:error, err} -> {:validation_failure, err}
end
end
def rabbit_is_loaded(_, opts) do
case Helpers.require_rabbit(opts) do
:ok -> :ok;
{:error, err} -> {:validation_failure, err}
end
end
def rabbit_is_running(args, opts) do
case rabbit_app_state(args, opts) do
:running -> :ok;
:stopped -> {:validation_failure, :rabbit_app_is_stopped};
other -> other
end
end
def rabbit_is_running_or_offline_flag_used(_args, %{offline: true}) do
:ok
end
def rabbit_is_running_or_offline_flag_used(args, opts) do
rabbit_is_running(args, opts)
end
def rabbit_is_not_running(args, opts) do
case rabbit_app_state(args, opts) do
:running -> {:validation_failure, :rabbit_app_is_running};
:stopped -> :ok;
other -> other
end
end
def rabbit_app_state(_, opts) do
case Helpers.rabbit_app_running?(opts) do
true -> :running;
false -> :stopped;
{:error, err} -> {:error, err}
end
end
end
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