Add CLI for workers (#2164)

api/workers/option.gen.go

@@ -1,6 +1,7 @@
 package workers
 
 import (
+	"strconv"
 	"strings"
 
 	"github.com/hashicorp/boundary/api"
@@ -21,6 +22,7 @@ type options struct {
 	withAutomaticVersioning bool
 	withSkipCurlOutput      bool
 	withFilter              string
+	withRecursive           bool
 }
 
 func getDefaultOptions() options {
@@ -44,6 +46,9 @@ func getOpts(opt ...Option) (options, []api.Option) {
 	if opts.withFilter != "" {
 		opts.queryMap["filter"] = opts.withFilter
 	}
+	if opts.withRecursive {
+		opts.queryMap["recursive"] = strconv.FormatBool(opts.withRecursive)
+	}
 	return opts, apiOpts
 }
 
@@ -74,6 +79,14 @@ func WithFilter(filter string) Option {
 	}
 }
 
+// WithRecursive tells the API to use recursion for listing operations on this
+// resource
+func WithRecursive(recurse bool) Option {
+	return func(o *options) {
+		o.withRecursive = true
+	}
+}
+
 func WithAddress(inAddress string) Option {
 	return func(o *options) {
 		o.postMap["address"] = inAddress

api/workers/worker.gen.go

@@ -3,6 +3,7 @@ package workers
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"net/url"
 	"time"
@@ -193,6 +194,26 @@ func (c *Client) Update(ctx context.Context, id string, version uint32, opt ...O
 
 	opts, apiOpts := getOpts(opt...)
 
+	if version == 0 {
+		if !opts.withAutomaticVersioning {
+			return nil, errors.New("zero version number passed into Update request and automatic versioning not specified")
+		}
+		existingTarget, existingErr := c.Read(ctx, id, append([]Option{WithSkipCurlOutput(true)}, opt...)...)
+		if existingErr != nil {
+			if api.AsServerError(existingErr) != nil {
+				return nil, fmt.Errorf("error from controller when performing initial check-and-set read: %w", existingErr)
+			}
+			return nil, fmt.Errorf("error performing initial check-and-set read: %w", existingErr)
+		}
+		if existingTarget == nil {
+			return nil, errors.New("nil resource response found when performing initial check-and-set read")
+		}
+		if existingTarget.Item == nil {
+			return nil, errors.New("nil resource found when performing initial check-and-set read")
+		}
+		version = existingTarget.Item.Version
+	}
+
 	opts.postMap["version"] = version
 
 	req, err := c.client.NewRequest(ctx, "PATCH", fmt.Sprintf("workers/%s", url.PathEscape(id)), opts.postMap, apiOpts...)