Merge "Add support for gnocchi_api_uwsgi_config in Debian"

lib/puppet/provider/gnocchi_api_uwsgi_config/openstackconfig.rb

@@ -0,0 +1,10 @@
+Puppet::Type.type(:gnocchi_api_uwsgi_config).provide(
+  :openstackconfig,
+  :parent => Puppet::Type.type(:openstack_config).provider(:ruby)
+) do
+
+  def self.file_path
+    '/etc/gnocchi/gnocchi-api-uwsgi.ini'
+  end
+
+end

lib/puppet/type/gnocchi_api_uwsgi_config.rb

@@ -0,0 +1,29 @@
+Puppet::Type.newtype(:gnocchi_api_uwsgi_config) do
+
+  ensurable
+
+  newparam(:name, :namevar => true) do
+    desc 'Section/setting name to manage from /etc/gnocchi/gnocchi-api-uwsgi.ini'
+    newvalues(/\S+\/\S+/)
+  end
+
+  newproperty(:value) do
+    desc 'The value of the setting to be defined.'
+    munge do |value|
+      value = value.to_s.strip
+      value.capitalize! if value =~ /^(true|false)$/i
+      value
+    end
+    newvalues(/^[\S ]*$/)
+  end
+
+  newparam(:ensure_absent_val) do
+    desc 'A value that is specified as the value property will behave as if ensure => absent was specified'
+    defaultto('<SERVICE DEFAULT>')
+  end
+
+  autorequire(:anchor) do
+    ['gnocchi::install::end']
+  end
+
+end

manifests/deps.pp

@@ -29,6 +29,11 @@ class gnocchi::deps {
   -> Openstacklib::Policy::Base<||>
   ~> Anchor['gnocchi::config::end']
 
+  # On any uwsgi config change, we must restart gnocchi-api.
+  Anchor['gnocchi::config::begin']
+  -> Gnocchi_api_uwsgi_config<||>
+  ~> Anchor['gnocchi::config::end']
+
   # Installation or config changes will always restart services.
   Anchor['gnocchi::install::end'] ~> Anchor['gnocchi::service::begin']
   Anchor['gnocchi::config::end']  ~> Anchor['gnocchi::service::begin']

manifests/wsgi/uwsgi.pp

@@ -0,0 +1,41 @@
+#
+# Copyright 2021 Thomas Goirand <zigo@debian.org>
+#
+# Author: Thomas Goirand <zigo@debian.org>
+#
+# == Class: gnocchi::wsgi::uwsgi
+#
+# Configure the UWSGI service for Gnocchi API.
+#
+# == Parameters
+#
+# [*processes*]
+#   (Optional) Number of processes.
+#   Defaults to $::os_workers.
+#
+# [*threads*]
+#   (Optional) Number of threads.
+#   Defaults to 32.
+#
+# [*listen_queue_size*]
+#   (Optional) Socket listen queue size.
+#   Defaults to 100
+#
+class gnocchi::wsgi::uwsgi (
+  $processes         = $::os_workers,
+  $threads           = 32,
+  $listen_queue_size = 100,
+){
+
+  include gnocchi::deps
+
+  if $::os_package_type != 'debian'{
+    warning('This class is only valid for Debian, as other operating systems are not using uwsgi by default.')
+  }
+
+  gnocchi_api_uwsgi_config {
+    'uwsgi/processes': value => $processes;
+    'uwsgi/threads':   value => $threads;
+    'uwsgi/listen':    value => $listen_queue_size;
+  }
+}

releasenotes/notes/uwsgi-55ad851a66baa5e9.yaml

@@ -0,0 +1,7 @@
+---
+features:
+  - |
+    A new class gnocchi::wsgi::uwsgi exist to allow configuring uwsgi in
+    operating systems that support this (ie: currently Debian). This helps
+    configuring the number of processes, threads and listen socket.
+    Also, a new gnocchi_api_wsgi_config provider now exist.

spec/classes/gnocchi_wsgi_uwsgi_spec.rb

@@ -0,0 +1,31 @@
+require 'spec_helper'
+
+describe 'gnocchi::wsgi::uwsgi' do
+
+  shared_examples 'gnocchi::wsgi::uwsgi' do
+    context 'with default parameters' do
+      it {
+        should contain_class('gnocchi::deps')
+      }
+
+      it {
+        is_expected.to contain_gnocchi_api_uwsgi_config('uwsgi/processes').with_value(facts[:os_workers])
+        is_expected.to contain_gnocchi_api_uwsgi_config('uwsgi/threads').with_value('32')
+        is_expected.to contain_gnocchi_api_uwsgi_config('uwsgi/listen').with_value('100')
+      }
+    end
+  end
+
+  on_supported_os({
+    :supported_os => OSDefaults.get_supported_os
+  }).each do |os,facts|
+    context "on #{os}" do
+      let (:facts) do
+        facts.merge!(OSDefaults.get_facts({
+          :os_workers => 8,
+        }))
+      end
+      it_behaves_like 'gnocchi::wsgi::uwsgi'
+    end
+  end
+end

spec/unit/provider/gnocchi_api_uwsgi_config/openstackconfig_spec.rb

@@ -0,0 +1,63 @@
+$LOAD_PATH.push(
+  File.join(
+    File.dirname(__FILE__),
+    '..',
+    '..',
+    '..',
+    'fixtures',
+    'modules',
+    'inifile',
+    'lib')
+)
+$LOAD_PATH.push(
+  File.join(
+    File.dirname(__FILE__),
+    '..',
+    '..',
+    '..',
+    'fixtures',
+    'modules',
+    'openstacklib',
+    'lib')
+)
+require 'spec_helper'
+provider_class = Puppet::Type.type(:gnocchi_api_uwsgi_config).provider(:openstackconfig)
+describe provider_class do
+
+  it 'should default to the default setting when no other one is specified' do
+    resource = Puppet::Type::Gnocchi_api_uwsgi_config.new(
+      {:name => 'DEFAULT/foo', :value => 'bar'}
+    )
+    provider = provider_class.new(resource)
+    expect(provider.section).to eq('DEFAULT')
+    expect(provider.setting).to eq('foo')
+  end
+
+  it 'should allow setting to be set explicitly' do
+    resource = Puppet::Type::Gnocchi_api_uwsgi_config.new(
+      {:name => 'dude/foo', :value => 'bar'}
+    )
+    provider = provider_class.new(resource)
+    expect(provider.section).to eq('dude')
+    expect(provider.setting).to eq('foo')
+  end
+
+  it 'should ensure absent when <SERVICE DEFAULT> is specified as a value' do
+    resource = Puppet::Type::Gnocchi_api_uwsgi_config.new(
+      {:name => 'dude/foo', :value => '<SERVICE DEFAULT>'}
+    )
+    provider = provider_class.new(resource)
+    provider.exists?
+    expect(resource[:ensure]).to eq :absent
+  end
+
+  it 'should ensure absent when value matches ensure_absent_val' do
+    resource = Puppet::Type::Gnocchi_api_uwsgi_config.new(
+      {:name => 'dude/foo', :value => 'foo', :ensure_absent_val => 'foo' }
+    )
+    provider = provider_class.new(resource)
+    provider.exists?
+    expect(resource[:ensure]).to eq :absent
+  end
+
+end

spec/unit/type/gnocchi_api_uwsgi_config_spec.rb

@@ -0,0 +1,64 @@
+require 'puppet'
+require 'puppet/type/gnocchi_api_uwsgi_config'
+
+describe 'Puppet::Type.type(:gnocchi_api_uwsgi_config)' do
+  before :each do
+    @gnocchi_api_uwsgi_config = Puppet::Type.type(:gnocchi_api_uwsgi_config).new(:name => 'DEFAULT/foo', :value => 'bar')
+  end
+
+ it 'should require a name' do
+    expect {
+      Puppet::Type.type(:gnocchi_api_uwsgi_config).new({})
+    }.to raise_error(Puppet::Error, 'Title or name must be provided')
+  end
+
+  it 'should not expect a name with whitespace' do
+    expect {
+      Puppet::Type.type(:gnocchi_api_uwsgi_config).new(:name => 'f oo')
+    }.to raise_error(Puppet::Error, /Parameter name failed/)
+  end
+
+  it 'should fail when there is no section' do
+    expect {
+      Puppet::Type.type(:gnocchi_api_uwsgi_config).new(:name => 'foo')
+    }.to raise_error(Puppet::Error, /Parameter name failed/)
+  end
+
+  it 'should not require a value when ensure is absent' do
+    Puppet::Type.type(:gnocchi_api_uwsgi_config).new(:name => 'DEFAULT/foo', :ensure => :absent)
+  end
+
+  it 'should accept a valid value' do
+    @gnocchi_api_uwsgi_config[:value] = 'bar'
+    expect(@gnocchi_api_uwsgi_config[:value]).to eq('bar')
+  end
+
+  it 'should not accept a value with whitespace' do
+    @gnocchi_api_uwsgi_config[:value] = 'b ar'
+    expect(@gnocchi_api_uwsgi_config[:value]).to eq('b ar')
+  end
+
+  it 'should accept valid ensure values' do
+    @gnocchi_api_uwsgi_config[:ensure] = :present
+    expect(@gnocchi_api_uwsgi_config[:ensure]).to eq(:present)
+    @gnocchi_api_uwsgi_config[:ensure] = :absent
+    expect(@gnocchi_api_uwsgi_config[:ensure]).to eq(:absent)
+  end
+
+  it 'should not accept invalid ensure values' do
+    expect {
+      @gnocchi_api_uwsgi_config[:ensure] = :latest
+    }.to raise_error(Puppet::Error, /Invalid value/)
+  end
+
+  it 'should autorequire the package that install the file' do
+    catalog = Puppet::Resource::Catalog.new
+    anchor = Puppet::Type.type(:anchor).new(:name => 'gnocchi::install::end')
+    catalog.add_resource anchor, @gnocchi_api_uwsgi_config
+    dependency = @gnocchi_api_uwsgi_config.autorequire
+    expect(dependency.size).to eq(1)
+    expect(dependency[0].target).to eq(@gnocchi_api_uwsgi_config)
+    expect(dependency[0].source).to eq(anchor)
+  end
+
+end