# Copyright 2016 Red Hat, Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#

require 'spec_helper'

describe 'tripleo::profile::base::docker' do
  shared_examples_for 'tripleo::profile::base::docker' do
    context 'with step 1 and defaults' do
      let(:params) { {
          :step              => 1,
      } }

      it { is_expected.to contain_class('tripleo::profile::base::docker') }
      it { is_expected.to contain_package('docker') }
      it { is_expected.to contain_service('docker') }
      it { is_expected.to contain_file('/etc/systemd/system/docker.service.d/99-unset-mountflags.conf') }
      it {
          is_expected.to contain_augeas('docker-sysconfig-options').with_changes([
            "set OPTIONS '\"--log-driver=journald --signature-verification=false --iptables=false\"'",
          ])
      }
    end

    context 'with step 1 and insecure_registry configured' do
      let(:params) { {
          :docker_namespace  => 'foo:8787',
          :insecure_registry => true,
          :step              => 1,
      } }

      it { is_expected.to contain_class('tripleo::profile::base::docker') }
      it { is_expected.to contain_package('docker') }
      it { is_expected.to contain_service('docker') }
      it { is_expected.to contain_file('/etc/systemd/system/docker.service.d/99-unset-mountflags.conf') }
      it {
        is_expected.to contain_augeas('docker-sysconfig-registry').with_changes([
          "set INSECURE_REGISTRY '\"--insecure-registry foo:8787\"'",
        ])
      }
    end

    context 'with step 1 and insecure_registries configured' do
      let(:params) { {
          :insecure_registries => ['foo:8787', 'bar'],
          :step => 1,
      } }

      it {
        is_expected.to contain_augeas('docker-sysconfig-registry').with_changes([
          "set INSECURE_REGISTRY '\"--insecure-registry foo:8787 --insecure-registry bar\"'",
        ])
      }
    end

    context 'with step 1 and insecure_registry configured but no docker_namespace' do
      let(:params) { {
          :insecure_registry => true,
          :step              => 1,
      } }

      it_raises 'a Puppet::Error', /You must provide a \$docker_namespace in order to configure insecure registry/
    end

    context 'with step 1 and registry_mirror configured' do
      let(:params) { {
          :registry_mirror => 'http://foo/bar',
          :step              => 1,
      } }

      it { is_expected.to contain_class('tripleo::profile::base::docker') }
      it { is_expected.to contain_package('docker') }
      it { is_expected.to contain_service('docker') }
      it { is_expected.to contain_file('/etc/systemd/system/docker.service.d/99-unset-mountflags.conf') }
      it {
        is_expected.to contain_augeas('docker-daemon.json').with_changes(
            ['set dict/entry[. = "registry-mirrors"] "registry-mirrors',
             "set dict/entry[. = \"registry-mirrors\"]/array/string \"http://foo/bar\"",
             'set dict/entry[. = "debug"] "debug"',
             "set dict/entry[. = \"debug\"]/const \"false\""])
      }
    end

    context 'with step 1 and docker debug' do
      let(:params) { {
          :step  => 1,
          :debug => true,
      } }

      it { is_expected.to contain_class('tripleo::profile::base::docker') }
      it { is_expected.to contain_package('docker') }
      it { is_expected.to contain_service('docker') }
      it { is_expected.to contain_file('/etc/systemd/system/docker.service.d/99-unset-mountflags.conf') }
      it {
        is_expected.to contain_augeas('docker-daemon.json').with_changes(
            ['rm dict/entry[. = "registry-mirrors"]',
             'set dict/entry[. = "debug"] "debug"',
             "set dict/entry[. = \"debug\"]/const \"true\""])
      }
    end


    context 'with step 1 and docker_options configured' do
      let(:params) { {
          :docker_options    => '--log-driver=syslog',
          :step              => 1,
      } }

      it { is_expected.to contain_class('tripleo::profile::base::docker') }
      it { is_expected.to contain_package('docker') }
      it { is_expected.to contain_service('docker') }
      it { is_expected.to contain_file('/etc/systemd/system/docker.service.d/99-unset-mountflags.conf') }
      it {
        is_expected.to contain_augeas('docker-sysconfig-options').with_changes([
          "set OPTIONS '\"--log-driver=syslog\"'",
        ])
      }
    end

    context 'with step 1 and storage_options configured' do
      let(:params) { {
          :step              => 1,
          :storage_options   => '-s devicemapper',
      } }

      it { is_expected.to contain_class('tripleo::profile::base::docker') }
      it { is_expected.to contain_package('docker') }
      it { is_expected.to contain_service('docker') }
      it { is_expected.to contain_file('/etc/systemd/system/docker.service.d/99-unset-mountflags.conf') }
      it {
        is_expected.to contain_augeas('docker-sysconfig-storage').with_changes([
          "set DOCKER_STORAGE_OPTIONS '\" #{params[:storage_options]}\"'",
        ])
      }
    end

    context 'with step 1 and configure_storage disabled' do
      let(:params) { {
          :step              => 1,
          :configure_storage => false,
      } }

      it { is_expected.to contain_class('tripleo::profile::base::docker') }
      it { is_expected.to contain_package('docker') }
      it { is_expected.to contain_service('docker') }
      it { is_expected.to contain_file('/etc/systemd/system/docker.service.d/99-unset-mountflags.conf') }
      it {
        is_expected.to contain_augeas('docker-sysconfig-storage').with_changes([
          "rm DOCKER_STORAGE_OPTIONS",
        ])
      }
    end

  end

  on_supported_os.each do |os, facts|
    context "on #{os}" do
      let(:facts) do
        facts.merge({ :hostname => 'node.example.com' })
      end

      it_behaves_like 'tripleo::profile::base::docker'
    end
  end
end