c04341edb2
This change adds a GetRequiredPlugins RPC method to the language host, enabling us to query it for its list of plugin requirements. This is language-specific because it requires looking at the set of dependencies (e.g., package.json files). It also adds a call up front during any update/preview operation to compute the set of plugins and require that they are present. These plugins are populated in the cache and will be used for all subsequent plugin-related operations during the engine's activity. We now cache the language plugins, so that we may load them eagerly too, which we never did previously due to the fact that we needed to pass the monitor address at load time. This was a bit bizarre anyhow, since it's really the Run RPC function that needs this information. So, to enable caching and eager loading -- which we need in order to invoke GetRequiredPlugins -- the "phone home" monitor RPC address is passed at Run time. In a subsequent change, we will switch to faulting in the plugins that are missing -- rather than erroring -- in addition to supporting the `pulumi plugin install` CLI command.
31 lines
1.3 KiB
Go
31 lines
1.3 KiB
Go
// Copyright 2016-2017, Pulumi Corporation. All rights reserved.
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package plugin
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import (
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"io"
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"github.com/pulumi/pulumi/pkg/resource"
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"github.com/pulumi/pulumi/pkg/tokens"
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"github.com/pulumi/pulumi/pkg/workspace"
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)
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// Analyzer provides a pluggable interface for performing arbitrary analysis of entire projects/stacks/snapshots, and/or
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// individual resources, for arbitrary issues. These might be style, policy, correctness, security, or performance
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// related. This interface hides the messiness of the underlying machinery, since providers are behind an RPC boundary.
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type Analyzer interface {
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// Closer closes any underlying OS resources associated with this provider (like processes, RPC channels, etc).
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io.Closer
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// Name fetches an analyzer's qualified name.
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Name() tokens.QName
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// Analyze analyzes a single resource object, and returns any errors that it finds.
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Analyze(t tokens.Type, props resource.PropertyMap) ([]AnalyzeFailure, error)
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// GetPluginInfo returns this plugin's information.
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GetPluginInfo() (workspace.PluginInfo, error)
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}
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// AnalyzeFailure indicates that resource analysis failed; it contains the property and reason for the failure.
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type AnalyzeFailure struct {
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Property resource.PropertyKey // the property that failed the analysis.
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Reason string // the reason the property failed the analysis.
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}
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