本章完成度:63%

PuppetOpenstack模块发展到今天，其代码可以称得上是学习Puppet的经典素材。它体现在以下几点：

• 严格遵守Puppet Code Style
• 完全松耦合的逻辑
• 几乎没有代码冗余，非常高的代码复用率
• 精心设计的自定义resource type和facter，在灵活性和控制能力上做出了良好的权衡

目前官方提供的模块有以下：

• Alarming (Aodh)
• Key Manager (Barbican)
• Telemetry (Ceilometer)
• Block Storage (Cinder)
• DNS (Designate)
• Image service (Glance)
• Time Series Database (Gnocchi)
• Orchestration (Heat)
• Dashboard (Horizon)
• Bare Metal (Ironic)
• Identity (Keystone)
• Shared Filesystems (Manila)
• Workflow service (Mistral)
• Application catalog (Murano)
• Networking (Neutron)
• Compute (Nova)
• Load Balancer (Octavia)
• Oslo libraries (Oslo)
• Benchmarking (Rally)
• Data processing (Sahara)
• Object Storage (Swift)
• Testing (Tempest)
• Deployment (TripleO)
• Database service (Trove)
• Deployment UI (TripleO UI)
• Root Cause Analysis (Vitrage)
• Message service (Zaqar)

本书将会cover核心Openstack服务和部分热门服务：

• Telemetry (Ceilometer)
• Block Storage (Cinder)
• Image service (Glance)
• Time Series Database (Gnocchi)
• Dashboard (Horizon)
• Identity (Keystone)
• Application catalog (Murano)
• Networking (Neutron)
• Compute (Nova)
• Object Storage (Swift)
• Testing (Tempest)
• Ceph(Block Storage)
• Benchmarking (Rally)
• Data processing (Sahara)
• Orchestration (Heat)
• DNS (Designate)