import libhelm into portainer (#8128)

api/pkg/libhelm/binary/get.go

@@ -0,0 +1,29 @@
+package binary
+
+import (
+	"github.com/pkg/errors"
+	"github.com/portainer/libhelm/options"
+)
+
+// Get runs `helm get` with specified get options.
+// The get options translate to CLI arguments which are passed in to the helm binary when executing install.
+func (hbpm *helmBinaryPackageManager) Get(getOpts options.GetOptions) ([]byte, error) {
+	if getOpts.Name == "" || getOpts.ReleaseResource == "" {
+		return nil, errors.New("release name and release resource are required")
+	}
+
+	args := []string{
+		string(getOpts.ReleaseResource),
+		getOpts.Name,
+	}
+	if getOpts.Namespace != "" {
+		args = append(args, "--namespace", getOpts.Namespace)
+	}
+
+	result, err := hbpm.runWithKubeConfig("get", args, getOpts.KubernetesClusterAccess)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to run helm get on specified args")
+	}
+
+	return result, nil
+}