Fix Healthcheck API

Fix several issues related to Healthcheck creation.
Updated GET/DELETE methods to work properly.
This commit leaves few FIXME/TODOs that will be handled within Helm3
Rebase commit

Issue-ID: MULTICLOUD-1308
Signed-off-by: Konrad Bańka <k.banka@samsung.com>
Change-Id: I5da50363bb240fdc85d3624f43cb0526786da542

1 files changed, 75 insertions, 0 deletions

diff --git a/src/k8splugin/internal/healthcheck/stream.go b/src/k8splugin/internal/healthcheck/stream.go
new file mode 100644
index 00000000..d7c6e654
--- /dev/null
+++ b/src/k8splugin/internal/healthcheck/stream.go
@@ -0,0 +1,75 @@
+/*
+Copyright © 2021 Samsung Electronics
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+    http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package healthcheck
+
+import (
+	"google.golang.org/grpc"
+	"k8s.io/helm/pkg/proto/hapi/release"
+	"k8s.io/helm/pkg/proto/hapi/services"
+
+	"github.com/onap/multicloud-k8s/src/k8splugin/internal/db"
+	log "github.com/onap/multicloud-k8s/src/k8splugin/internal/logutils"
+
+	pkgerrors "github.com/pkg/errors"
+)
+
+//implements basic stream implementation that logs progress
+//and updates state in DB
+type StreamImpl struct {
+	Key               HealthcheckKey
+	StoreName         string
+	Tag               string
+	grpc.ServerStream //only to satisfy interface needs, it's not used
+}
+
+var _ services.ReleaseService_RunReleaseTestServer = StreamImpl{}
+
+func NewStream(key HealthcheckKey, store, tag string) *StreamImpl {
+	s := StreamImpl{
+		Key:       key,
+		StoreName: store,
+		Tag:       tag,
+	}
+	return &s
+}
+
+func (si StreamImpl) Send(m *services.TestReleaseResponse) error {
+	log.Info("Stream message", log.Fields{"msg": m})
+
+	DBResp, err := db.DBconn.Read(si.StoreName, si.Key, si.Tag)
+	if err != nil || DBResp == nil {
+		return pkgerrors.Wrap(err, "Error retrieving Healthcheck data")
+	}
+
+	resp := InstanceHCStatus{}
+	err = db.DBconn.Unmarshal(DBResp, &resp)
+	if err != nil {
+		return pkgerrors.Wrap(err, "Unmarshaling Healthcheck Value")
+	}
+
+	resp.Status = release.TestRun_Status_name[int32(m.Status)]
+	if m.Msg != "" {
+		if resp.Info == "" {
+			resp.Info = m.Msg
+		} else {
+			resp.Info = resp.Info + "\n" + m.Msg
+		}
+	}
+
+	err = db.DBconn.Update(si.StoreName, si.Key, si.Tag, resp)
+	if err != nil {
+		return pkgerrors.Wrap(err, "Updating Healthcheck")
+	}
+	return nil
+}