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package data
import (
"context"
"strings"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/request"
"github.com/aws/aws-sdk-go/service/ssm"
"github.com/pkg/errors"
gaws "github.com/hairyhenderson/gomplate/v3/aws"
)
// awssmpGetter - A subset of SSM API for use in unit testing
type awssmpGetter interface {
GetParameterWithContext(ctx context.Context, input *ssm.GetParameterInput, opts ...request.Option) (*ssm.GetParameterOutput, error)
GetParametersByPathWithContext(ctx context.Context, input *ssm.GetParametersByPathInput, opts ...request.Option) (*ssm.GetParametersByPathOutput, error)
}
func readAWSSMP(ctx context.Context, source *Source, args ...string) (data []byte, err error) {
if source.asmpg == nil {
source.asmpg = ssm.New(gaws.SDKSession())
}
_, paramPath, err := parseDatasourceURLArgs(source.URL, args...)
if err != nil {
return nil, err
}
source.mediaType = jsonMimetype
switch {
case strings.HasSuffix(paramPath, "/"):
source.mediaType = jsonArrayMimetype
data, err = listAWSSMPParams(ctx, source, paramPath)
default:
data, err = readAWSSMPParam(ctx, source, paramPath)
}
return data, err
}
func readAWSSMPParam(ctx context.Context, source *Source, paramPath string) ([]byte, error) {
input := &ssm.GetParameterInput{
Name: aws.String(paramPath),
WithDecryption: aws.Bool(true),
}
response, err := source.asmpg.GetParameterWithContext(ctx, input)
if err != nil {
return nil, errors.Wrapf(err, "Error reading aws+smp from AWS using GetParameter with input %v", input)
}
result := *response.Parameter
output, err := ToJSON(result)
return []byte(output), err
}
// listAWSSMPParams - supports directory semantics, returns array
func listAWSSMPParams(ctx context.Context, source *Source, paramPath string) ([]byte, error) {
input := &ssm.GetParametersByPathInput{
Path: aws.String(paramPath),
}
response, err := source.asmpg.GetParametersByPathWithContext(ctx, input)
if err != nil {
return nil, errors.Wrapf(err, "Error reading aws+smp from AWS using GetParameter with input %v", input)
}
listing := make([]string, len(response.Parameters))
for i, p := range response.Parameters {
listing[i] = (*p.Name)[len(paramPath):]
}
output, err := ToJSON(listing)
return []byte(output), err
}
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