c56e716c31
These changes refactor the engine's entrypoints--Deploy, Destroy, and Preview--to be update-centric rather than stack-centric. Each of these methods now takes a value of a new type, Update, that abstracts away the vagaries of fetching and maintaining the update's state. This refactoring also reinforces Pulumi.yaml as a CLI concept rather than an engine concept; the CLI is now the only reader/writer of this format. These changes will smooth the way for a few refactorings on the service side that will aid in update isolation.
51 lines
2.7 KiB
Go
51 lines
2.7 KiB
Go
// Copyright 2016-2017, Pulumi Corporation. All rights reserved.
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// Package backend encapsulates all extensibility points required to fully implement a new cloud provider.
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package backend
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import (
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"encoding/json"
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"github.com/pulumi/pulumi/pkg/engine"
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"github.com/pulumi/pulumi/pkg/operations"
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"github.com/pulumi/pulumi/pkg/pack"
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"github.com/pulumi/pulumi/pkg/resource/config"
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"github.com/pulumi/pulumi/pkg/tokens"
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)
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// Backend is an interface that represents actions the engine will interact with to manage stacks of cloud resources.
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// It can be implemented any number of ways to provide pluggable backend implementations of the Pulumi Cloud.
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type Backend interface {
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// Name returns a friendly name for this backend.
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Name() string
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// GetStack returns a stack object tied to this backend with the given name, or nil if it cannot be found.
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GetStack(name tokens.QName) (Stack, error)
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// CreateStack creates a new stack with the given name and options that are specific to the backend provider.
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CreateStack(name tokens.QName, opts interface{}) error
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// RemoveStack removes a stack with the given name. If force is true, the stack will be removed even if it
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// still contains resources. Otherwise, if the stack contains resources, a non-nil error is returned, and the
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// first boolean return value will be set to true.
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RemoveStack(name tokens.QName, force bool) (bool, error)
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// ListStacks returns a list of stack summaries for all known stacks in the target backend.
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ListStacks() ([]Stack, error)
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// GetStackCrypter returns an encrypter/decrypter for the given stack's secret config values.
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GetStackCrypter(stack tokens.QName) (config.Crypter, error)
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// Preview initiates a preview of the current workspace's contents.
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Preview(stackName tokens.QName, pkg *pack.Package, root string, debug bool, opts engine.PreviewOptions) error
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// Update updates the target stack with the current workspace's contents (config and code).
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Update(stackName tokens.QName, pkg *pack.Package, root string, debug bool, opts engine.DeployOptions) error
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// Destroy destroys all of this stack's resources.
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Destroy(stackName tokens.QName, pkg *pack.Package, root string, debug bool, opts engine.DestroyOptions) error
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// GetLogs fetches a list of log entries for the given stack, with optional filtering/querying.
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GetLogs(stackName tokens.QName, query operations.LogQuery) ([]operations.LogEntry, error)
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// ExportDeployment exports the deployment for the given stack as an opaque JSON message.
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ExportDeployment(stackName tokens.QName) (json.RawMessage, error)
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// ImportDeployment imports the given deployment into the indicated stack.
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ImportDeployment(stackName tokens.QName, deployment json.RawMessage) error
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}
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