Scanners Integration (#18)

* Research scanning

* Move files around

* Reports the list

* Scanner happens

* Commit

* Work on alternative

* refactorings

* Progress

* Save the state

* Commit

* Display trivy Results

* Checkov also reports

* Better display

* Correct trivy numbers

* Scan pre-install manifest

* Readme items

* Static checks

pkg/dashboard/utils/utils.go

@@ -0,0 +1,115 @@
+package utils
+
+import (
+	"bytes"
+	"errors"
+	"github.com/gin-gonic/gin"
+	log "github.com/sirupsen/logrus"
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"strconv"
+	"strings"
+)
+
+type ControlChan = chan struct{}
+
+func ChartAndVersion(x string) (string, string, error) {
+	lastInd := strings.LastIndex(x, "-")
+	if lastInd < 0 {
+		return "", "", errors.New("can't parse chart version string")
+	}
+
+	return x[:lastInd], x[lastInd+1:], nil
+}
+
+func TempFile(txt string) (string, func(), error) {
+	file, err := ioutil.TempFile("", "helm_dahsboard_*.yaml")
+	if err != nil {
+		return "", nil, err
+	}
+
+	err = ioutil.WriteFile(file.Name(), []byte(txt), 0600)
+	if err != nil {
+		return "", nil, err
+	}
+
+	return file.Name(), func() { os.Remove(file.Name()) }, nil
+}
+
+type CmdError struct {
+	Command   []string
+	OrigError error
+	StdErr    string
+}
+
+func (e CmdError) Error() string {
+	//return fmt.Sprintf("failed to run command %s:\nError: %s\nSTDERR:%s", e.Command, e.OrigError, e.StdErr)
+	return string(e.StdErr)
+}
+
+func RunCommand(cmd []string, env map[string]string) (string, error) {
+	prog := exec.Command(cmd[0], cmd[1:]...)
+	prog.Env = os.Environ()
+
+	for k, v := range env {
+		prog.Env = append(prog.Env, k+"="+v)
+	}
+
+	var stdout bytes.Buffer
+	prog.Stdout = &stdout
+
+	var stderr bytes.Buffer
+	prog.Stderr = &stderr
+
+	if err := prog.Run(); err != nil {
+		log.Warnf("Failed command: %s", cmd)
+		serr := stderr.Bytes()
+		if serr != nil {
+			log.Warnf("STDERR:\n%s", serr)
+		}
+		if eerr, ok := err.(*exec.ExitError); ok {
+			return "", CmdError{
+				Command:   cmd,
+				StdErr:    string(serr),
+				OrigError: eerr,
+			}
+		}
+
+		return "", CmdError{
+			Command:   cmd,
+			StdErr:    string(serr),
+			OrigError: err,
+		}
+	}
+
+	sout := stdout.Bytes()
+	serr := stderr.Bytes()
+	log.Debugf("Command STDOUT:\n%s", sout)
+	log.Debugf("Command STDERR:\n%s", serr)
+	return string(sout), nil
+}
+
+type QueryProps struct {
+	Namespace string
+	Name      string
+	Revision  int
+}
+
+func GetQueryProps(c *gin.Context, revRequired bool) (*QueryProps, error) {
+	qp := QueryProps{}
+
+	qp.Namespace = c.Query("namespace")
+	qp.Name = c.Query("name")
+	if qp.Name == "" {
+		return nil, errors.New("missing required query string parameter: name")
+	}
+
+	cRev, err := strconv.Atoi(c.Query("revision"))
+	if err != nil && revRequired {
+		return nil, err
+	}
+	qp.Revision = cRev
+
+	return &qp, nil
+}