Save Tensorflow model to Minio repository

Export and save the tensorflow model using Keras API.
Added support for Minio model repo by injecting the credentials to
Horovod pods. This model then can be served using Tensorflow Serving.

Change-Id: Id1e0b6696bc2bb1699786b08651c4d3bc353976c
Issue-ID: ONAPARC-460
Signed-off-by: Dileep Ranganathan <dileep.ranganathan@intel.com>

2 files changed, 45 insertions, 0 deletions

diff --git a/vnfs/DAaaS/applications/sample-horovod-app/templates/job.yaml b/vnfs/DAaaS/applications/sample-horovod-app/templates/job.yaml
index 4e59b277..da42ded8 100644
--- a/vnfs/DAaaS/applications/sample-horovod-app/templates/job.yaml
+++ b/vnfs/DAaaS/applications/sample-horovod-app/templates/job.yaml
@@ -70,6 +70,20 @@ spec:
            value: "{{ $value }}"
        {{- end }}
        {{- end }}
+         - name: AWS_ACCESS_KEY_ID
+           valueFrom:
+             secretKeyRef:
+               name: {{ if .Values.minio.existingSecret }}{{ .Values.minio.existingSecret }}{{ else }}{{ template "horovod.fullname" . }}-minio{{ end }}
+               key: accesskey
+         - name: AWS_SECRET_ACCESS_KEY
+           valueFrom:
+             secretKeyRef:
+               name: {{ if .Values.minio.existingSecret }}{{ .Values.minio.existingSecret }}{{ else }}{{ template "horovod.fullname" . }}-minio{{ end }}
+               key: secretkey
+         {{- range $key, $val := .Values.minio.environment }}
+         - name: {{ $key }}
+           value: {{ $val | quote }}
+         {{- end}}
 {{- if .Values.master.privileged }}
         securityContext:
           privileged: true
diff --git a/vnfs/DAaaS/applications/sample-horovod-app/templates/minio-secrets.yaml b/vnfs/DAaaS/applications/sample-horovod-app/templates/minio-secrets.yaml
new file mode 100644
index 00000000..c99abe67
--- /dev/null
+++ b/vnfs/DAaaS/applications/sample-horovod-app/templates/minio-secrets.yaml
@@ -0,0 +1,31 @@
+{{/*
+# Copyright 2019 Intel Corporation, Inc
+#
+# 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.
+*/}}
+
+{{- if not .Values.minio.existingSecret }}
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ template "horovod.fullname" . }}-minio
+  labels:
+    app: {{ template "horovod.name" . }}
+    chart: {{ template "horovod.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+type: Opaque
+data:
+  accesskey: {{ .Values.minio.accessKey | b64enc }}
+  secretkey: {{ .Values.minio.secretKey | b64enc }}
+{{- end }}