76 lines
2.4 KiB
Go
76 lines
2.4 KiB
Go
// Copyright 2016-2017, Pulumi Corporation. All rights reserved.
|
|
|
|
package plugin
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/golang/glog"
|
|
|
|
"github.com/pulumi/pulumi-fabric/pkg/resource"
|
|
"github.com/pulumi/pulumi-fabric/pkg/tokens"
|
|
lumirpc "github.com/pulumi/pulumi-fabric/sdk/proto/go"
|
|
)
|
|
|
|
const AnalyzerPluginPrefix = "lumi-analyzer-"
|
|
|
|
// analyzer reflects an analyzer plugin, loaded dynamically for a single suite of checks.
|
|
type analyzer struct {
|
|
ctx *Context
|
|
name tokens.QName
|
|
plug *plugin
|
|
client lumirpc.AnalyzerClient
|
|
}
|
|
|
|
// NewAnalyzer binds to a given analyzer's plugin by name and creates a gRPC connection to it. If the associated plugin
|
|
// could not be found by name on the PATH, or an error occurs while creating the child process, an error is returned.
|
|
func NewAnalyzer(host Host, ctx *Context, name tokens.QName) (Analyzer, error) {
|
|
// Go ahead and attempt to load the plugin from the PATH.
|
|
srvexe := AnalyzerPluginPrefix + strings.Replace(string(name), tokens.QNameDelimiter, "_", -1)
|
|
plug, err := newPlugin(ctx, srvexe, fmt.Sprintf("analyzer[%v]", name), []string{host.ServerAddr()})
|
|
if err != nil {
|
|
return nil, err
|
|
} else if plug == nil {
|
|
return nil, nil
|
|
}
|
|
|
|
return &analyzer{
|
|
ctx: ctx,
|
|
name: name,
|
|
plug: plug,
|
|
client: lumirpc.NewAnalyzerClient(plug.Conn),
|
|
}, nil
|
|
}
|
|
|
|
func (a *analyzer) Name() tokens.QName { return a.name }
|
|
|
|
// Analyze analyzes a single resource object, and returns any errors that it finds.
|
|
func (a *analyzer) Analyze(t tokens.Type, props resource.PropertyMap) ([]AnalyzeFailure, error) {
|
|
glog.V(7).Infof("analyzer[%v].Analyze(t=%v,#props=%v) executing", a.name, t, len(props))
|
|
req := &lumirpc.AnalyzeRequest{
|
|
Type: string(t),
|
|
Properties: MarshalProperties(props, MarshalOptions{}),
|
|
}
|
|
|
|
resp, err := a.client.Analyze(a.ctx.Request(), req)
|
|
if err != nil {
|
|
glog.V(7).Infof("analyzer[%v].Analyze(t=%v,...) failed: err=%v", a.name, t, err)
|
|
return nil, err
|
|
}
|
|
|
|
var failures []AnalyzeFailure
|
|
for _, failure := range resp.GetFailures() {
|
|
failures = append(failures, AnalyzeFailure{
|
|
Property: resource.PropertyKey(failure.Property),
|
|
Reason: failure.Reason,
|
|
})
|
|
}
|
|
glog.V(7).Infof("analyzer[%v].Analyze(t=%v,...) success: failures=#%v", a.name, t, len(failures))
|
|
return failures, nil
|
|
}
|
|
|
|
// Close tears down the underlying plugin RPC connection and process.
|
|
func (a *analyzer) Close() error {
|
|
return a.plug.Close()
|
|
}
|