Sample application to load model from Minio

Sample application with helm charts to load from model repo.

Change-Id: If8d09e64044bc2587c444efd3ac95a451ec361dd
Issue-ID: ONAPARC-460
Signed-off-by: Dileep Ranganathan <dileep.ranganathan@intel.com>

12 files changed, 446 insertions, 0 deletions

diff --git a/vnfs/DAaaS/sample-apps/sample-minio-load-model/.helmignore b/vnfs/DAaaS/sample-apps/sample-minio-load-model/.helmignore
new file mode 100644
index 00000000..33aaef25
--- /dev/null
+++ b/vnfs/DAaaS/sample-apps/sample-minio-load-model/.helmignore
@@ -0,0 +1,24 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/
+
+build
\ No newline at end of file
diff --git a/vnfs/DAaaS/sample-apps/sample-minio-load-model/Chart.yaml b/vnfs/DAaaS/sample-apps/sample-minio-load-model/Chart.yaml
new file mode 100644
index 00000000..084b7d80
--- /dev/null
+++ b/vnfs/DAaaS/sample-apps/sample-minio-load-model/Chart.yaml
@@ -0,0 +1,5 @@
+apiVersion: v1
+appVersion: "1.0"
+description: A Helm chart for Kubernetes
+name: model-loader
+version: 0.1.0
diff --git a/vnfs/DAaaS/sample-apps/sample-minio-load-model/build/.dockerignore b/vnfs/DAaaS/sample-apps/sample-minio-load-model/build/.dockerignore
new file mode 100644
index 00000000..98bc4363
--- /dev/null
+++ b/vnfs/DAaaS/sample-apps/sample-minio-load-model/build/.dockerignore
@@ -0,0 +1,12 @@
+.git
+.ipynb_checkpoints/*
+Dockerfile
+.DS_Store
+.gitignore
+README.md
+env.*
+/devops/*
+
+# To prevent storing dev/temporary container data
+*.csv
+/tmp/*
\ No newline at end of file
diff --git a/vnfs/DAaaS/sample-apps/sample-minio-load-model/build/Dockerfile b/vnfs/DAaaS/sample-apps/sample-minio-load-model/build/Dockerfile
new file mode 100644
index 00000000..f7670c2c
--- /dev/null
+++ b/vnfs/DAaaS/sample-apps/sample-minio-load-model/build/Dockerfile
@@ -0,0 +1,75 @@
+# Copyright (c) 2019 Intel Corporation
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+#
+
+
+FROM ubuntu:18.04
+
+RUN apt update -yqq 
+
+# Install all the essentials
+RUN apt-get update --fix-missing && \
+    apt-get install -y --no-install-recommends wget curl ca-certificates libglib2.0-0 libxext6 libsm6 libxrender1 \
+                       git build-essential openssh-server openssh-client && \
+    mkdir -p /var/run/sshd && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+ENV PATH /opt/conda/bin:$PATH
+
+# Install miniconda
+RUN wget --quiet https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh -O ~/miniconda.sh && \
+    /bin/bash ~/miniconda.sh -b -p /opt/conda && \
+    rm ~/miniconda.sh && \
+    ln -s /opt/conda/etc/profile.d/conda.sh /etc/profile.d/conda.sh && \
+    echo ". /opt/conda/etc/profile.d/conda.sh" >> ~/.bashrc && \
+    echo "conda activate base" >> ~/.bashrc
+
+# Install python libraries using conda in the virtual_environment:ml_env
+SHELL ["/bin/bash", "-c"]
+RUN conda update -n base -c defaults conda && \
+    conda create -n ml_env
+RUN conda install -n ml_env -y -c anaconda pip 
+RUN pwd
+RUN conda install -n ml_env -y -c anaconda h5py
+
+RUN conda install -n ml_env -y -c pytorch pytorch-cpu
+RUN conda install -n ml_env -y -c conda-forge nlopt
+
+RUN echo "conda activate ml_env" >> ~/.bashrc
+RUN source ~/.bashrc
+RUN /opt/conda/envs/ml_env/bin/pip install --no-cache-dir minio
+
+# Install tini
+RUN apt-get install -y --no-install-recommends curl grep sed dpkg && \
+    TINI_VERSION=`curl https://github.com/krallin/tini/releases/latest | grep -o "/v.*\"" | sed 's:^..\(.*\).$:\1:'` && echo ${TINI_VERSION} && \
+    curl -L "https://github.com/krallin/tini/releases/download/v${TINI_VERSION}/tini_${TINI_VERSION}.deb" > tini.deb && \
+    dpkg -i tini.deb && \
+    rm tini.deb && \
+    apt clean
+
+# This is needed to match the original entrypoint.sh file.
+RUN cp /usr/bin/tini /sbin
+
+
+RUN echo "export PATH=/opt/conda/envs/ml_env/bin:$PATH" >> ~/.bashrc
+
+COPY . /app
+WORKDIR /app
+RUN source ~/.bashrc
+RUN conda install -n ml_env -y --file requirements.txt
+
+ENTRYPOINT [ "/app/entrypoint.sh" ]
diff --git a/vnfs/DAaaS/sample-apps/sample-minio-load-model/build/entrypoint.sh b/vnfs/DAaaS/sample-apps/sample-minio-load-model/build/entrypoint.sh
new file mode 100755
index 00000000..fe52a9f1
--- /dev/null
+++ b/vnfs/DAaaS/sample-apps/sample-minio-load-model/build/entrypoint.sh
@@ -0,0 +1,43 @@
+#!/bin/bash
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+#
+
+# echo commands to the terminal output
+set -ex
+
+# Check whether there is a passwd entry for the container UID
+myuid=$(id -u)
+mygid=$(id -g)
+# turn off -e for getent because it will return error code in anonymous uid case
+set +e
+uidentry=$(getent passwd $myuid)
+set -e
+
+# If there is no passwd entry for the container UID, attempt to create one
+if [ -z "$uidentry" ] ; then
+    if [ -w /etc/passwd ] ; then
+        echo "$myuid:x:$myuid:$mygid:anonymous uid:$SPARK_HOME:/bin/false" >> /etc/passwd
+    else
+        echo "Container ENTRYPOINT failed to add passwd entry for anonymous UID"
+    fi
+fi
+
+CMD=(
+  /bin/bash -c "source activate ml_env && exec python load-model-from-minio.py")
+
+# Execute the container CMD under tini for better hygiene
+exec /sbin/tini -s -- "${CMD[@]}"
diff --git a/vnfs/DAaaS/sample-apps/sample-minio-load-model/build/load-model-from-minio.py b/vnfs/DAaaS/sample-apps/sample-minio-load-model/build/load-model-from-minio.py
new file mode 100755
index 00000000..dbdabc3a
--- /dev/null
+++ b/vnfs/DAaaS/sample-apps/sample-minio-load-model/build/load-model-from-minio.py
@@ -0,0 +1,51 @@
+#!/usr/bin/env python
+#
+# -------------------------------------------------------------------------
+#   Copyright (c) 2019 Intel Corporation Intellectual Property
+#
+#   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.
+#
+# -------------------------------------------------------------------------
+#
+
+'''Sample Python application to load model from Minio'''
+
+# python imports
+
+import json
+import os
+import time
+from minio import Minio
+from minio.error import ResponseError
+
+
+client = Minio(os.environ['S3_ENDPOINT'],
+               access_key=os.environ['AWS_ACCESS_KEY_ID'],
+               secret_key=os.environ['AWS_SECRET_ACCESS_KEY'],
+               secure=False)
+
+
+def load_model(bucket_name, object_name, filepath):    
+    try:
+        client.fget_object(bucket_name, object_name, filepath)
+    except ResponseError as err:
+        print(err)
+
+if __name__ == "__main__":
+    bucket_name = os.environ['MODEL_BUCKET']
+    objects = json.loads(os.environ['MODEL_OBJECTS'])
+    filepath = '/models/'
+    for object_name in objects:
+        print(f"Load model from s3://{bucket_name}/{object_name} to {filepath+object_name}")
+        load_model(bucket_name, object_name, filepath+object_name)
+    time.sleep(300)
\ No newline at end of file
diff --git a/vnfs/DAaaS/sample-apps/sample-minio-load-model/build/requirements.txt b/vnfs/DAaaS/sample-apps/sample-minio-load-model/build/requirements.txt
new file mode 100644
index 00000000..475fbd5a
--- /dev/null
+++ b/vnfs/DAaaS/sample-apps/sample-minio-load-model/build/requirements.txt
@@ -0,0 +1,3 @@
+numpy
+scipy
+pandas
diff --git a/vnfs/DAaaS/sample-apps/sample-minio-load-model/templates/_helpers.tpl b/vnfs/DAaaS/sample-apps/sample-minio-load-model/templates/_helpers.tpl
new file mode 100755
index 00000000..5aa78da6
--- /dev/null
+++ b/vnfs/DAaaS/sample-apps/sample-minio-load-model/templates/_helpers.tpl
@@ -0,0 +1,43 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "model-loader.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "model-loader.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "model-loader.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create the name of the service account
+*/}}
+{{- define "model-loader.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create -}}
+    {{ default (include "model-loader.fullname" .) .Values.serviceAccount.name }}
+{{- else -}}
+    {{ default "default" .Values.serviceAccount.name }}
+{{- end -}}
+{{- end -}}
diff --git a/vnfs/DAaaS/sample-apps/sample-minio-load-model/templates/deployment.yaml b/vnfs/DAaaS/sample-apps/sample-minio-load-model/templates/deployment.yaml
new file mode 100644
index 00000000..53e07389
--- /dev/null
+++ b/vnfs/DAaaS/sample-apps/sample-minio-load-model/templates/deployment.yaml
@@ -0,0 +1,79 @@
+{{/*
+# 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.
+*/}}
+
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: {{ include "model-loader.fullname" . }}
+  labels:
+    app: {{ include "model-loader.name" . }}
+    chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service | quote }}
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: {{ include "model-loader.name" . }}
+      release: {{ .Release.Name }}
+      modelName: {{ .Values.modelName }}
+  template:
+    metadata:
+      labels:
+        app: {{ include "model-loader.name" . }}
+        release: {{ .Release.Name }}
+        modelName: {{ .Values.modelName }}
+    spec:
+      serviceAccountName: {{ template "model-loader.serviceAccountName" . }}
+      containers:
+        - name: model-loader
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          env:
+            - name: AWS_ACCESS_KEY_ID
+              valueFrom:
+                secretKeyRef:
+                  name: {{ if .Values.minio.existingSecret }}{{ .Values.minio.existingSecret }}{{ else }}{{ template "model-loader.fullname" . }}{{ end }}
+                  key: accesskey
+            - name: AWS_SECRET_ACCESS_KEY
+              valueFrom:
+                secretKeyRef:
+                  name: {{ if .Values.minio.existingSecret }}{{ .Values.minio.existingSecret }}{{ else }}{{ template "model-loader.fullname" . }}{{ end }}
+                  key: secretkey
+            {{- range $key, $val := .Values.minio.environment }}
+            - name: {{ $key }}
+              value: {{ $val | quote }}
+            {{- end}}
+          resources:
+            {{ toYaml .Values.resources | indent 12 }}
+          volumeMounts:
+            - mountPath: /models
+              name: models
+      volumes:
+        - name: models
+          emptyDir: {}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+    {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+    {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
diff --git a/vnfs/DAaaS/sample-apps/sample-minio-load-model/templates/secrets.yaml b/vnfs/DAaaS/sample-apps/sample-minio-load-model/templates/secrets.yaml
new file mode 100644
index 00000000..60717a65
--- /dev/null
+++ b/vnfs/DAaaS/sample-apps/sample-minio-load-model/templates/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 "model-loader.fullname" . }}
+  labels:
+    app: {{ include "model-loader.name" . }}
+    chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service | quote }}
+type: Opaque
+data:
+  accesskey: {{ .Values.minio.accessKey | b64enc }}
+  secretkey: {{ .Values.minio.secretKey | b64enc }}
+{{- end }}
diff --git a/vnfs/DAaaS/sample-apps/sample-minio-load-model/templates/serviceaccount.yaml b/vnfs/DAaaS/sample-apps/sample-minio-load-model/templates/serviceaccount.yaml
new file mode 100644
index 00000000..1573ae94
--- /dev/null
+++ b/vnfs/DAaaS/sample-apps/sample-minio-load-model/templates/serviceaccount.yaml
@@ -0,0 +1,25 @@
+{{/*
+# 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.
+*/}}
+
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+    name: {{ include "model-loader.fullname" . }}
+    labels:
+       app: {{ include "model-loader.name" . }}
+       chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+       release: {{ .Release.Name }}
+       heritage: {{ .Release.Service | quote }}
diff --git a/vnfs/DAaaS/sample-apps/sample-minio-load-model/values.yaml b/vnfs/DAaaS/sample-apps/sample-minio-load-model/values.yaml
new file mode 100644
index 00000000..2b94c1c8
--- /dev/null
+++ b/vnfs/DAaaS/sample-apps/sample-minio-load-model/values.yaml
@@ -0,0 +1,55 @@
+# Default values for model-loader.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+replicaCount: 1
+
+image:
+  repository: dcr.cluster.local:32644/sample-minio-load
+  tag: v3
+  pullPolicy: Always
+
+nameOverride: ""
+fullnameOverride: ""
+
+## Model repository information (Minio)
+## Model repository information (Minio)
+minio:
+  existingSecret: ""
+  accessKey: "onapdaas"
+  secretKey: "onapsecretdaas"
+  environment:
+    AWS_REGION: "us-west-1"
+    S3_REGION: "us-west-1"
+    S3_ENDPOINT: "minio.edge1.svc.cluster.local:9000"
+    AWS_ENDPOINT_URL: "http://minio.edge1.svc.cluster.local:9000"
+    S3_USE_HTTPS: 0
+    S3_VERIFY_SSL: 0
+    AWS_LOG_LEVEL: 3
+    TF_CPP_MIN_LOG_LEVEL: 3
+    MODEL_BUCKET: "numpy"
+    # List of object files to be loaded given in a , separated list format
+    MODEL_OBJECTS: '["model1.data", "model2.data"]'
+
+## Service account for model-loader to use.
+serviceAccount:
+  create: true
+  name: ""
+
+resources: {}
+  # We usually recommend not to specify default resources and to leave this as a conscious
+  # choice for the user. This also increases chances charts run on environments with little
+  # resources, such as Minikube. If you do want to specify resources, uncomment the following
+  # lines, adjust them as necessary, and remove the curly braces after 'resources:'.
+  # limits:
+  #  cpu: 100m
+  #  memory: 128Mi
+  # requests:
+  #  cpu: 100m
+  #  memory: 128Mi
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}