ssm-browse: new utility to browse SSM parameters

This is more of an exercise to work out how best to use controllers

internal/ssm-browse/providers/awsssm/provider.go

@@ -0,0 +1,42 @@
+package awsssm
+
+import (
+	"context"
+	"github.com/aws/aws-sdk-go-v2/aws"
+	"github.com/aws/aws-sdk-go-v2/service/ssm"
+	"github.com/lmika/awstools/internal/ssm-browse/models"
+	"github.com/pkg/errors"
+)
+
+type Provider struct {
+	client *ssm.Client
+}
+
+func NewProvider(client *ssm.Client) *Provider {
+	return &Provider{
+		client: client,
+	}
+}
+
+func (p *Provider) List(ctx context.Context) (*models.SSMParameters, error) {
+	pars, err := p.client.GetParametersByPath(ctx, &ssm.GetParametersByPathInput{
+		Path:       aws.String("/"),
+		MaxResults: 10,
+		Recursive:  true,
+	})
+	if err != nil {
+		return nil, errors.Wrap(err, "cannot get parameters from path")
+	}
+
+	res := &models.SSMParameters{
+		Items: make([]models.SSMParameter, len(pars.Parameters)),
+	}
+	for i, p := range pars.Parameters {
+		res.Items[i] = models.SSMParameter{
+			Name: aws.ToString(p.Name),
+			Value: aws.ToString(p.Value),
+		}
+	}
+
+	return res, nil
+}