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ssm.go
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ssm.go
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package ssm
import (
"context"
"encoding/json"
"errors"
tm "github.com/alexfalkowski/go-service/transport/meta"
"github.com/alexfalkowski/konfig/provider/ssm/telemetry/tracer"
"github.com/aws/aws-sdk-go-v2/service/ssm"
"github.com/aws/aws-sdk-go-v2/service/ssm/types"
"go.opentelemetry.io/otel/codes"
"go.opentelemetry.io/otel/trace"
)
// Secret from SSM.
type Secret struct {
Data map[string]any `json:"data"`
}
// Transformer for SSM.
type Transformer struct {
client *ssm.Client
tracer tracer.Tracer
}
// NewTransformer for SSM.
func NewTransformer(client *ssm.Client, t tracer.Tracer) *Transformer {
return &Transformer{client: client, tracer: t}
}
// Transform for SSM.
func (t *Transformer) Transform(ctx context.Context, value string) (any, error) {
ctx, span := t.tracer.Start(ctx, "transform", trace.WithSpanKind(trace.SpanKindClient))
defer span.End()
ctx = tm.WithTraceID(ctx, span.SpanContext().TraceID())
out, err := t.client.GetParameter(ctx, &ssm.GetParameterInput{Name: &value})
if err != nil {
var perr *types.ParameterNotFound
if errors.As(err, &perr) {
return value, nil
}
span.SetStatus(codes.Error, err.Error())
span.RecordError(err)
return value, err
}
var sec Secret
if err := json.Unmarshal([]byte(*out.Parameter.Value), &sec); err != nil {
span.SetStatus(codes.Error, err.Error())
span.RecordError(err)
return value, err
}
v := sec.Data["value"]
if v == nil {
return value, nil
}
return v, nil
}