grafana_spec.rb
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grafana_spec.rb
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	require 'spec_helper'

	describe 'grafana' do
	context 'supported operating systems' do
	['Debian', 'RedHat'].each do \|osfamily\|
	describe "grafana class without any parameters on #{osfamily}" do
	let(:params) {{ }}
	let(:facts) {{
	:osfamily => osfamily,
	}}

	it { should compile.with_all_deps }

	it { should contain_class('grafana::params') }
	it { should contain_class('grafana::install').that_comes_before('grafana::config') }
	it { should contain_class('grafana::config') }
	it { should contain_class('grafana::service').that_subscribes_to('grafana::config') }

	it { should contain_service('grafana-server').with_ensure('running').with_enable(true) }
	it { should contain_package('grafana').with_ensure('present') }
	end
	end
	end

	context 'unsupported operating system' do
	describe 'grafana class without any parameters on Solaris/Nexenta' do
	let(:facts) {{
	:osfamily => 'Solaris',
	:operatingsystem => 'Nexenta',
	}}

	it { expect { should contain_package('grafana') }.to raise_error(Puppet::Error, /Nexenta not supported/) }
	end
	end

	context 'package install method' do
	context 'debian' do
	let(:facts) {{
	:osfamily => 'Debian'
	}}

	download_location = '/tmp/grafana.deb'

	describe 'use wget to fetch the package to a temporary location' do
	it { should contain_wget__fetch('grafana').with_destination(download_location) }
	it { should contain_wget__fetch('grafana').that_comes_before('Package[grafana]') }
	end

	describe 'install dependencies first' do
	it { should contain_package('libfontconfig1').with_ensure('present').that_comes_before('Package[grafana]') }
	end

	describe 'install the package' do
	it { should contain_package('grafana').with_provider('dpkg') }
	it { should contain_package('grafana').with_source(download_location) }
	end
	end

	context 'redhat' do
	let(:facts) {{
	:osfamily => 'RedHat'
	}}

	describe 'install dependencies first' do
	it { should contain_package('fontconfig').with_ensure('present').that_comes_before('Package[grafana]') }
	end

	describe 'install the package' do
	it { should contain_package('grafana').with_provider('rpm') }
	end
	end
	end

	context 'repo install method' do
	let(:params) {{
	:install_method => 'repo',
	:manage_package_repo => true,
	:version => 'present'
	}}

	context 'debian' do
	let(:facts) {{
	:osfamily => 'Debian',
	:lsbdistid => 'Ubuntu'
	}}

	describe 'install apt repo dependencies first' do
	it { should contain_class('apt') }
	it { should contain_apt__source('grafana').with(:release => 'wheezy', :repos => 'main', :location => 'https://packagecloud.io/grafana/stable/debian') }
	it { should contain_apt__source('grafana').that_comes_before('Package[grafana]') }
	end

	describe 'install dependencies first' do
	it { should contain_package('libfontconfig1').with_ensure('present').that_comes_before('Package[grafana]') }
	end

	describe 'install the package' do
	it { should contain_package('grafana').with_ensure('present') }
	end
	end

	context 'redhat' do
	let(:facts) {{
	:osfamily => 'RedHat'
	}}

	describe 'yum repo dependencies first' do
	it { should contain_yumrepo('grafana').with(:baseurl => 'https://packagecloud.io/grafana/stable/el/6/$basearch', :gpgkey => 'https://packagecloud.io/gpg.key https://grafanarel.s3.amazonaws.com/RPM-GPG-KEY-grafana', :enabled => 1) }
	it { should contain_yumrepo('grafana').that_comes_before('Package[grafana]') }
	end

	describe 'install dependencies first' do
	it { should contain_package('fontconfig').with_ensure('present').that_comes_before('Package[grafana]') }
	end

	describe 'install the package' do
	it { should contain_package('grafana').with_ensure('present') }
	end
	end
	end

	context 'repo install method without managing the package repo' do
	let(:params) {{
	:install_method => 'repo',
	:manage_package_repo => false,
	:version => 'present'
	}}

	context 'debian' do
	let(:facts) {{
	:osfamily => 'Debian',
	:lsbdistid => 'Ubuntu'
	}}

	it { should compile.with_all_deps }

	describe 'install dependencies first' do
	it { should contain_package('libfontconfig1').with_ensure('present').that_comes_before('Package[grafana]') }
	end

	describe 'install the package' do
	it { should contain_package('grafana').with_ensure('present') }
	end
	end
	end

	context 'archive install method' do
	let(:params) {{
	:install_method => 'archive'
	}}

	install_dir = '/usr/share/grafana'
	service_config = '/usr/share/grafana/conf/custom.ini'

	describe 'extract archive to install_dir' do
	it { should contain_archive('grafana').with_ensure('present') }
	it { should contain_archive('grafana').with_target(install_dir) }
	it { should contain_archive('grafana').with_strip_components(1) }
	it { should contain_archive('grafana').that_comes_before('User[grafana]') }
	end

	describe 'create grafana user' do
	it { should contain_user('grafana').with_ensure('present').with_home(install_dir) }
	it { should contain_user('grafana').that_comes_before('File[/usr/share/grafana]') }
	end

	describe 'manage install_dir' do
	it { should contain_file(install_dir).with_ensure('directory') }
	it { should contain_file(install_dir).with_group('grafana').with_owner('grafana') }
	it { should contain_file(install_dir).with_recurse(true).with_recurselimit(3) }
	end

	describe 'configure grafana' do
	it { should contain_file(service_config).with_ensure('present') }
	end

	describe 'run grafana as service' do
	it { should contain_service('grafana-server').with_ensure('running').with_provider('base') }
	it { should contain_service('grafana-server').with_hasrestart(false).with_hasstatus(false) }
	end

	context 'when user already defined' do
	let(:pre_condition) {
	'user{"grafana":
	ensure => present,
	}'
	}
	describe 'do NOT create grafana user' do
	it { should_not contain_user('grafana').with_ensure('present').with_home(install_dir) }
	end
	end

	context 'when service already defined' do
	let(:pre_condition) {
	'service{"grafana-server":
	ensure => running,
	hasrestart => true,
	hasstatus => true,
	}'
	}
	# let(:params) {{ :service_name => 'grafana-server'}}
	describe 'do NOT run service' do
	it { should_not contain_service('grafana-server').with_hasrestart(false).with_hasstatus(false) }
	end
	end
	end

	context 'invalid parameters' do
	context 'cfg' do
	let(:facts) {{
	:osfamily => 'Debian',
	}}

	describe 'should raise an error when cfg parameter is not a hash' do
	let(:params) {{
	:cfg => [],
	}}

	it { expect { should contain_package('grafana') }.to raise_error(Puppet::Error, /cfg parameter must be a hash/) }
	end

	describe 'should not raise an error when cfg parameter is a hash' do
	let(:params) {{
	:cfg => {},
	}}

	it { should contain_package('grafana') }
	end
	end
	end

	context 'configuration file' do
	let(:facts) {{
	:osfamily => 'Debian',
	}}

	describe 'should not contain any configuration when cfg param is empty' do
	it { should contain_file('/etc/grafana/grafana.ini').with_content("# This file is managed by Puppet, any changes will be overwritten\n\n") }
	end

	describe 'should correctly transform cfg param entries to Grafana configuration' do
	let(:params) {{
	:cfg => {
	'app_mode' => 'production',
	'section' => {
	'string' => 'production',
	'number' => 8080,
	'boolean' => false,
	'empty' => '',
	},
	},
	:ldap_cfg => {
	'servers' => [
	{ 'host' => 'server1',
	'use_ssl' => true,
	'search_filter' => '(sAMAccountName=%s)',
	'search_base_dns' => [ 'dc=domain1,dc=com' ],
	},
	{ 'host' => 'server2',
	'use_ssl' => true,
	'search_filter' => '(sAMAccountName=%s)',
	'search_base_dns' => [ 'dc=domain2,dc=com' ],
	},
	],
	'servers.attributes' => {
	'name' => 'givenName',
	'surname' => 'sn',
	'username' => 'sAMAccountName',
	'member_of' => 'memberOf',
	'email' => 'email',
	}
	},
	}}

	expected = "# This file is managed by Puppet, any changes will be overwritten\n\n"\
	"app_mode = production\n\n"\
	"[section]\n"\
	"boolean = false\n"\
	"empty = \n"\
	"number = 8080\n"\
	"string = production\n"

	it { should contain_file('/etc/grafana/grafana.ini').with_content(expected) }

	ldap_expected = "\n[[servers]]\n"\
	"host = \"server1\"\n"\
	"search_base_dns = [\"dc=domain1,dc=com\"]\n"\
	"search_filter = \"(sAMAccountName=%s)\"\n"\
	"use_ssl = true\n"\
	"\n"\
	"[[servers]]\n"\
	"host = \"server2\"\n"\
	"search_base_dns = [\"dc=domain2,dc=com\"]\n"\
	"search_filter = \"(sAMAccountName=%s)\"\n"\
	"use_ssl = true\n"\
	"\n"\
	"[servers.attributes]\n"\
	"email = \"email\"\n"\
	"member_of = \"memberOf\"\n"\
	"name = \"givenName\"\n"\
	"surname = \"sn\"\n"\
	"username = \"sAMAccountName\"\n"\
	"\n"

	it { should contain_file('/etc/grafana/ldap.toml').with_content(ldap_expected) }
	end
	end
	end

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