87 lines
2.6 KiB
Go
87 lines
2.6 KiB
Go
package aws
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import (
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"github.com/cloudskiff/driftctl/pkg/parallel"
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remoteerror "github.com/cloudskiff/driftctl/pkg/remote/error"
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"github.com/cloudskiff/driftctl/pkg/remote/deserializer"
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"github.com/cloudskiff/driftctl/pkg/resource"
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resourceaws "github.com/cloudskiff/driftctl/pkg/resource/aws"
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awsdeserializer "github.com/cloudskiff/driftctl/pkg/resource/aws/deserializer"
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"github.com/cloudskiff/driftctl/pkg/terraform"
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"github.com/aws/aws-sdk-go/service/lambda"
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"github.com/aws/aws-sdk-go/service/lambda/lambdaiface"
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"github.com/sirupsen/logrus"
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"github.com/zclconf/go-cty/cty"
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)
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type LambdaFunctionSupplier struct {
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reader terraform.ResourceReader
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deserializer deserializer.CTYDeserializer
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client lambdaiface.LambdaAPI
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runner *terraform.ParallelResourceReader
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}
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func NewLambdaFunctionSupplier(runner *parallel.ParallelRunner, client lambdaiface.LambdaAPI) *LambdaFunctionSupplier {
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return &LambdaFunctionSupplier{
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terraform.Provider(terraform.AWS),
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awsdeserializer.NewLambdaFunctionDeserializer(),
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client,
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terraform.NewParallelResourceReader(runner),
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}
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}
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func (s LambdaFunctionSupplier) Resources() ([]resource.Resource, error) {
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functions, err := listLambdaFunctions(s.client)
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if err != nil {
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return nil, remoteerror.NewResourceEnumerationError(err, resourceaws.AwsLambdaFunctionResourceType)
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}
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results := make([]cty.Value, 0)
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if len(functions) > 0 {
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for _, function := range functions {
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fun := *function
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s.runner.Run(func() (cty.Value, error) {
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return s.readLambda(fun)
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})
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}
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results, err = s.runner.Wait()
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if err != nil {
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return nil, err
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}
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}
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return s.deserializer.Deserialize(results)
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}
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func (s LambdaFunctionSupplier) readLambda(function lambda.FunctionConfiguration) (cty.Value, error) {
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name := *function.FunctionName
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resFunction, err := s.reader.ReadResource(
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terraform.ReadResourceArgs{
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Ty: resourceaws.AwsLambdaFunctionResourceType,
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ID: name,
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Attributes: map[string]string{
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"function_name": name,
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},
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},
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)
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if err != nil {
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logrus.Warnf("Error reading function %s[%s]: %+v", name, resourceaws.AwsLambdaFunctionResourceType, err)
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return cty.NilVal, err
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}
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return *resFunction, nil
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}
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func listLambdaFunctions(client lambdaiface.LambdaAPI) ([]*lambda.FunctionConfiguration, error) {
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var functions []*lambda.FunctionConfiguration
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input := &lambda.ListFunctionsInput{}
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err := client.ListFunctionsPages(input, func(res *lambda.ListFunctionsOutput, lastPage bool) bool {
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functions = append(functions, res.Functions...)
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return !lastPage
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})
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if err != nil {
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return nil, err
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}
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return functions, nil
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}
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