import libhelm into portainer (#8128)

api/pkg/libhelm/binary/install.go

@@ -0,0 +1,48 @@
+package binary
+
+import (
+	"encoding/json"
+
+	"github.com/pkg/errors"
+	"github.com/portainer/libhelm/options"
+	"github.com/portainer/libhelm/release"
+)
+
+// Install runs `helm install` with specified install options.
+// The install options translate to CLI arguments which are passed in to the helm binary when executing install.
+func (hbpm *helmBinaryPackageManager) Install(installOpts options.InstallOptions) (*release.Release, error) {
+	if installOpts.Name == "" {
+		installOpts.Name = "--generate-name"
+	}
+	args := []string{
+		installOpts.Name,
+		installOpts.Chart,
+		"--repo", installOpts.Repo,
+		"--output", "json",
+	}
+	if installOpts.Namespace != "" {
+		args = append(args, "--namespace", installOpts.Namespace)
+	}
+	if installOpts.ValuesFile != "" {
+		args = append(args, "--values", installOpts.ValuesFile)
+	}
+	if installOpts.Wait {
+		args = append(args, "--wait")
+	}
+	if installOpts.PostRenderer != "" {
+		args = append(args, "--post-renderer", installOpts.PostRenderer)
+	}
+
+	result, err := hbpm.runWithKubeConfig("install", args, installOpts.KubernetesClusterAccess)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to run helm install on specified args")
+	}
+
+	response := &release.Release{}
+	err = json.Unmarshal(result, &response)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to unmarshal helm install response to Release struct")
+	}
+
+	return response, nil
+}