[v3.2] Add grafana dashboard importing API (#11)

* Add API to import grafana templates to kubesphere dashboard
* Merge and fix the latest codes from kubesphere #2501

Signed-off-by: zhu733756 <talonzhu@yunify.com>

vendor/github.com/grafana-tools/sdk/rest-admin.go

@@ -0,0 +1,66 @@
+package sdk
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+)
+
+// CreateUser creates a new global user.
+// Requires basic authentication and that the authenticated user is a Grafana Admin.
+// Reflects POST /api/admin/users API call.
+func (r *Client) CreateUser(ctx context.Context, user User) (StatusMessage, error) {
+	var (
+		raw  []byte
+		resp StatusMessage
+		err  error
+	)
+	if raw, err = json.Marshal(user); err != nil {
+		return StatusMessage{}, err
+	}
+	if raw, _, err = r.post(ctx, "api/admin/users", nil, raw); err != nil {
+		return StatusMessage{}, err
+	}
+	if err = json.Unmarshal(raw, &resp); err != nil {
+		return StatusMessage{}, err
+	}
+	return resp, nil
+}
+
+// UpdateUserPermissions updates the permissions of a global user.
+// Requires basic authentication and that the authenticated user is a Grafana Admin.
+// Reflects PUT /api/admin/users/:userId/password API call.
+func (r *Client) UpdateUserPermissions(ctx context.Context, permissions UserPermissions, uid uint) (StatusMessage, error) {
+	var (
+		raw   []byte
+		reply StatusMessage
+		err   error
+	)
+	if raw, err = json.Marshal(permissions); err != nil {
+		return StatusMessage{}, err
+	}
+	if raw, _, err = r.put(ctx, fmt.Sprintf("api/admin/users/%d/permissions", uid), nil, raw); err != nil {
+		return StatusMessage{}, err
+	}
+	err = json.Unmarshal(raw, &reply)
+	return reply, err
+}
+
+// SwitchUserContext switches user context to the given organization.
+// Requires basic authentication and that the authenticated user is a Grafana Admin.
+// Reflects POST /api/users/:userId/using/:organizationId API call.
+func (r *Client) SwitchUserContext(ctx context.Context, uid uint, oid uint) (StatusMessage, error) {
+	var (
+		raw  []byte
+		resp StatusMessage
+		err  error
+	)
+
+	if raw, _, err = r.post(ctx, fmt.Sprintf("/api/users/%d/using/%d", uid, oid), nil, raw); err != nil {
+		return StatusMessage{}, err
+	}
+	if err = json.Unmarshal(raw, &resp); err != nil {
+		return StatusMessage{}, err
+	}
+	return resp, nil
+}