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102 lines
5.0 KiB
102 lines
5.0 KiB
6 years ago
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Google Service Management manages a set of *services*. Service
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Management allows *service producers* to
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publish their services on Google Cloud Platform so that they can be discovered
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and used by *service consumers*. It also handles the tasks of tracking
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service lifecycle and programming various backend systems -- such as
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[Stackdriver Logging](https://cloud.google.com/stackdriver),
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[Stackdriver Monitoring](https://cloud.google.com/stackdriver) -- to support
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the managed services.
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If you are a service producer, you can use the Google Service Management API
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and [Google Cloud SDK (gcloud)](/sdk) to publish and manage your services.
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Each managed service has a service configuration which declares various aspects
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of the service such as its API surface, along with parameters to configure the
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supporting backend
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systems, such as logging and monitoring. If you build your service using
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[Google Cloud Endpoints](https://cloud.google.com/endpoints/), the service
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configuration will be handled automatically.
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If you are a service consumer and want to use a managed service, you can use the
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Google Service Management API or [Google Cloud Console](https://console.cloud.google.com)
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to activate the
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service for your [Google developer project](https://developers.google.com/console/help/new/),
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then start using its APIs and functions.
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## Managed services
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REST URL: `https://servicemanagement.googleapis.com/v1/services/{service-name}` <br />
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REST schema is defined [here](/service-management/reference/rest/v1/services).
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A managed service refers to a network service managed by
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Service Management. Each managed service has a unique name, such as
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`example.googleapis.com`, which must be a valid fully-qualified DNS name, as per
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RFC 1035.
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A managed service typically provides some REST APIs and/or other
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functions to their service consumers, such as mobile apps or cloud services.
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Service producers can use methods, such as
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[services.create](/service-management/reference/rest/v1/services/create),
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[services.delete](/service-management/reference/rest/v1/services/delete),
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[services.undelete](/service-management/reference/rest/v1/services/undelete),
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to manipulate their managed services.
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## Service producers
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A service producer is the Google developer project responsible for publishing
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and maintaining a managed service. Each managed service is owned by exactly one
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service producer.
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## Service consumers
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A service consumer is a Google developer project that has enabled and can
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invoke APIs on a managed service. A managed service can have many service
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consumers.
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## Service configuration
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REST URL: `https://servicemanagement.googleapis.com/v1/services/{service-name}/configs/{config_id}` <br />
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REST schema is defined [here](/service-management/reference/rest/v1/services.configs).
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Each managed service is described by a service configuration which covers a wide
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range of features, including its name, title, RPC API definitions,
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REST API definitions, documentation, authentication, and more.
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To change the configuration of a managed service, the service producer needs to
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publish an updated service configuration to Service Management.
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Service Management keeps a history of published
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service configurations, making it possible to easily retrace how a service's
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configuration evolved over time. Service configurations can be published using
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the
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[services.configs.create](/service-management/reference/rest/v1/services.configs/create)
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or [services.configs.submit](/service-management/reference/rest/v1/services.configs/submit)
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methods.
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Alternatively, `services.configs.submit` allows publishing an
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[OpenAPI](https://github.com/OAI/OpenAPI-Specification) specification, formerly
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known as the Swagger Specification, which is automatically converted to a
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corresponding service configuration.
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## Service rollout
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REST URL: `https://servicemanagement.googleapis.com/v1/services/{service-name}/rollouts/{rollout-id}` <br />
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REST schema is defined [here](/service-management/reference/rest/v1/services.rollouts).
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A `Rollout` defines how Google Service Management should deploy service
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configurations to backend systems and how the configurations take effect at
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runtime. It lets service producers specify multiple service configuration
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versions to be deployed together, and a strategy that indicates how they
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should be used.
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Updating a managed service's configuration can be dangerous, as a configuration
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error can lead to a service outage. To mitigate risks, Service Management
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supports gradual rollout of service configuration changes. This feature gives
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service producers time to identity potential issues and rollback service
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configuration changes in case of errors, thus minimizing the customer
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impact of bad configurations. For example, you could specify that 5% of traffic
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uses configuration 1, while the remaining 95% uses configuration 2.
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Service Management keeps a history of rollouts so that service
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producers can undo to previous configuration versions. You can rollback a configuration
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by initiating a new `Rollout` that clones a previously submitted
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rollout record.
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