clairctl: Add delete command

Delete capability was added to the API recently, this
adds the ability to invoke that endpoint directly through
clairctl.

Signed-off-by: crozzy <joseph.crosland@gmail.com>

cmd/clairctl/client.go

@@ -277,6 +277,40 @@ func (c *Client) VulnerabilityReport(ctx context.Context, id claircore.Digest) (
 	return &report, nil
 }
 
+func (c *Client) DeleteIndexReports(ctx context.Context, ds []claircore.Digest) error {
+	var (
+		req *http.Request
+		res *http.Response
+	)
+	u, err := c.host.Parse(path.Join(c.host.RequestURI(), httptransport.IndexAPIPath))
+	if err != nil {
+		return err
+	}
+	req = c.request(ctx, u, http.MethodDelete)
+
+	req.Body = codec.JSONReader(ds)
+	res, err = c.client.Do(req)
+	if err != nil {
+		zlog.Debug(ctx).
+			Err(err).
+			Stringer("url", req.URL).
+			Msg("request failed")
+		return err
+	}
+	defer res.Body.Close()
+	zlog.Debug(ctx).
+		Str("method", res.Request.Method).
+		Str("path", res.Request.URL.Path).
+		Str("status", res.Status).
+		Send()
+	switch res.StatusCode {
+	case http.StatusOK:
+	default:
+		return fmt.Errorf("unexpected return status: %d", res.StatusCode)
+	}
+	return nil
+}
+
 func (c *Client) request(ctx context.Context, u *url.URL, m string) *http.Request {
 	req := &http.Request{
 		Method:     m,

cmd/clairctl/delete.go

@@ -0,0 +1,68 @@
+package main
+
+import (
+	"errors"
+	"os"
+
+	"github.com/quay/claircore"
+	"github.com/urfave/cli/v2"
+
+	"github.com/quay/clair/v4/internal/httputil"
+)
+
+var DeleteCmd = &cli.Command{
+	Name:        "delete",
+	Description: "Delete index reports for given manifest digests.",
+	Action:      deleteAction,
+	Usage:       "deletes index reports for given manifest digests",
+	ArgsUsage:   "digest...",
+	Flags: []cli.Flag{
+		&cli.StringFlag{
+			Name:    "host",
+			Usage:   "URL for the clairv4 v1 API.",
+			Value:   "http://localhost:6060/",
+			EnvVars: []string{"CLAIR_API"},
+		},
+	},
+}
+
+func deleteAction(c *cli.Context) error {
+	args := c.Args()
+	if args.Len() == 0 {
+		return errors.New("missing needed arguments")
+	}
+	ds := []claircore.Digest{}
+	for i := 0; i < args.Len(); i++ {
+		d, err := claircore.ParseDigest(args.Get(i))
+		if err != nil {
+			return err
+		}
+		ds = append(ds, d)
+	}
+
+	fi, err := os.Stat(c.Path("config"))
+	useCfg := err == nil && !fi.IsDir()
+
+	var cc *Client
+	if useCfg {
+		cfg, e := loadConfig(c.Path("config"))
+		if e != nil {
+			return e
+		}
+		hc, _, e := httputil.Client(nil, &commonClaim, cfg)
+		if e != nil {
+			return e
+		}
+		cc, err = NewClient(hc, c.String("host"))
+	} else {
+		cc, err = NewClient(nil, c.String("host"))
+	}
+	if err != nil {
+		return err
+	}
+	err = cc.DeleteIndexReports(c.Context, ds)
+	if err != nil {
+		return err
+	}
+	return nil
+}

cmd/clairctl/main.go

@@ -54,6 +54,7 @@ func main() {
 			ReportCmd,
 			ExportCmd,
 			ImportCmd,
+			DeleteCmd,
 		},
 		Flags: []cli.Flag{
 			&cli.BoolFlag{