update all dockerfiles which based on centos7 and replace the centos7…

… with ubuntu20.04

analytics/common/VCAC-A/gst/Dockerfile

@@ -1,14 +1,16 @@
 # smtc_analytics_common_vcac-a_gst
 
-FROM centos:7 as build
+FROM ubuntu:20.04 as build
+
+RUN DEBIAN_FRONTEND=noninteractive apt-get update -qq && apt-get install -qq curl && rm -rf /var/lib/apt/lists/*
 
 ARG  VA_SERVING_REPO=https://raw.githubusercontent.com/intel/video-analytics-serving
 ARG  VA_SERVING_TAG="v0.4.1-beta"
 
 RUN  mkdir -p /home/vaserving/common/utils && touch /home/vaserving/__init__.py /home/vaserving/common/__init__.py /home/vaserving/common/utils/__init__.py && for x in common/utils/logging.py common/settings.py arguments.py ffmpeg_pipeline.py gstreamer_pipeline.py app_destination.py app_source.py gstreamer_app_destination.py gstreamer_app_source.py model_manager.py pipeline.py pipeline_manager.py pipeline.py schema.py vaserving.py; do curl -sSf -o /home/vaserving/$x -L ${VA_SERVING_REPO}/${VA_SERVING_TAG}/vaserving/$x; done
 COPY *.py /home/
 
-FROM openvisualcloud/vcaca-ubuntu1804-analytics-gst:21.6.1
+FROM openvisualcloud/vcaca-ubuntu2004-analytics-gst:21.6.1
 
 RUN  DEBIAN_FRONTEND=noninteractive apt-get update -qq && apt-get install -qq python3-gst-1.0 python3-jsonschema python3-psutil && rm -rf /var/lib/apt/lists/*
 

analytics/common/Xeon/gst/Dockerfile

@@ -1,14 +1,16 @@
 # smtc_analytics_common_xeon_gst
 
-FROM centos:7 as build
+FROM ubuntu:20.04 as build
+
+RUN DEBIAN_FRONTEND=noninteractive apt-get update -qq && apt-get install -qq curl && rm -rf /var/lib/apt/lists/*
 
 ARG  VA_SERVING_REPO=https://raw.githubusercontent.com/intel/video-analytics-serving
 ARG  VA_SERVING_TAG="v0.4.1-beta"
 
 RUN  mkdir -p /home/vaserving/common/utils && touch /home/vaserving/__init__.py /home/vaserving/common/__init__.py /home/vaserving/common/utils/__init__.py && for x in common/utils/logging.py common/settings.py arguments.py ffmpeg_pipeline.py gstreamer_pipeline.py app_destination.py app_source.py gstreamer_app_destination.py gstreamer_app_source.py model_manager.py pipeline.py pipeline_manager.py pipeline.py schema.py vaserving.py; do curl -sSf -o /home/vaserving/$x -L ${VA_SERVING_REPO}/${VA_SERVING_TAG}/vaserving/$x; done
 COPY *.py /home/
 
-FROM openvisualcloud/xeon-ubuntu1804-analytics-gst:21.6.1
+FROM openvisualcloud/xeon-ubuntu2004-analytics-gst:21.6.1
 
 RUN  apt-get update -qq && apt-get install -qq python3-gst-1.0 python3-jsonschema python3-psutil && rm -rf /var/lib/apt/lists/*
 

cloud/Dockerfile

@@ -1,7 +1,7 @@
 
-FROM openvisualcloud/xeon-centos7-media-nginx:21.6.1
+FROM openvisualcloud/xeon-ubuntu2004-media-nginx:21.6.1
 
-RUN  yum install -y -q epel-release && yum install -y -q python36-tornado python36-requests python36-ply && rm -rf /var/cache/yum/*
+RUN DEBIAN_FRONTEND=noninteractive apt-get update -qq && apt-get install -qq python3-tornado python3-requests python3-ply && rm -rf /var/lib/apt/lists/*
 
 COPY --from=smtc_common /home/*.py /home/
 COPY --from=smtc_sensor_webrtc /home/owt/apps/current_app/public/scripts/owt.js /var/www/html/js/vendor/

common/Dockerfile

@@ -1,7 +1,9 @@
 
-FROM centos:7
+FROM ubuntu:20.04
 
-RUN  yum install -y -q epel-release && yum install -y -q python36-requests python36-ply python36-psutil && rm -rf /var/cache/yum/*
+RUN DEBIAN_FRONTEND=noninteractive apt-get update -qq && \
+    apt-get install -qq python3-requests python3-ply python3-psutil python3-pip && \
+    rm -rf /var/lib/apt/lists/*
 
 COPY *.py /home/
 ENV  PYTHONIOENCODING=UTF-8

deployment/certificate/Dockerfile

@@ -1,6 +1,6 @@
 
 FROM smtc_common
-RUN  yum install -y -q openssl && rm -rf /var/cache/yum/*
+RUN DEBIAN_FRONTEND=noninteractive apt-get update -qq && apt-get install -qq openssl && rm -rf /var/lib/apt/lists/*
 
 ####
 ARG  UID

deployment/tunnel/Dockerfile

@@ -1,7 +1,7 @@
 
-FROM centos:7
+FROM ubuntu:20.04
 
-RUN  yum install -y -q openssh-clients && rm -rf /var/cache/yum/*
+RUN DEBIAN_FRONTEND=noninteractive apt-get update -qq && apt-get install -qq openssh-client && rm -rf /var/lib/apt/lists/*
 COPY *.sh /home/
 CMD  ["/home/tunnel.sh"]
 WORKDIR /home

gateway/Dockerfile

@@ -1,7 +1,7 @@
 
-FROM openvisualcloud/xeon-centos7-media-nginx:21.6.1
+FROM openvisualcloud/xeon-ubuntu2004-media-nginx:21.6.1
 
-RUN yum install -y -q epel-release && yum install -y -q python36-tornado python36-requests python36-ply python36-psutil && rm -rf /var/cache/yum/*
+RUN DEBIAN_FRONTEND=noninteractive apt-get update -qq && apt-get install -qq python3-tornado python3-requests python3-ply python3-psutil && rm -rf /var/lib/apt/lists/*
 
 COPY --from=smtc_common /home/*.py /home/
 COPY    *.py /home/

maintenance/db-init/mkm4.sh

@@ -23,7 +23,7 @@ for s1 in data:
         oi=oi+1
 EOF
 
-    docker run --rm -v "$DIR:/home:ro" -it centos:7 python /home/mkm4.py /home/sensor-info.json > "$DIR/sensor-info.m4"
+    docker run --rm -v "$DIR:/home:ro" -it smtc_common:latest python3 /home/mkm4.py /home/sensor-info.json > "$DIR/sensor-info.m4"
     rm -f "$DIR/mkm4.py"
 fi
 

maintenance/smart-upload/Dockerfile

@@ -1,6 +1,7 @@
 
-FROM openvisualcloud/xeon-centos7-media-ffmpeg:21.6.1
-RUN  yum install -y -q epel-release && yum install -y -q python36-requests python36-ply python36-psutil && rm -rf /var/cache/yum/* curl
+FROM openvisualcloud/xeon-ubuntu2004-media-ffmpeg:21.6.1
+
+RUN DEBIAN_FRONTEND=noninteractive apt-get update -qq && apt-get install -qq python3-requests python3-ply python3-psutil curl && rm -rf /var/lib/apt/lists/*
 
 COPY --from=smtc_common /home/*.py /home/
 COPY *.py /home/

sensor/discovery-ipcam/Dockerfile

@@ -1,7 +1,7 @@
 
-FROM openvisualcloud/xeon-centos7-media-ffmpeg:21.6.1
+FROM openvisualcloud/xeon-ubuntu2004-media-ffmpeg:21.6.1
 
-RUN yum install -y -q epel-release && yum -y -q install python36-ply python36-requests python36-setuptools && rm -rf /var/cache/yum/*
+RUN DEBIAN_FRONTEND=noninteractive apt-get update -qq && apt-get install -qq python3-ply python3-requests python3-setuptools curl && rm -rf /var/lib/apt/lists/*
 
 ARG ZEEP_VER=4.0.0
 ARG ZEEP_REPO=https://github.com/mvantellingen/python-zeep/archive/${ZEEP_VER}.tar.gz

sensor/discovery-rtmp/Dockerfile

@@ -1,7 +1,7 @@
 
-FROM openvisualcloud/xeon-centos7-media-ffmpeg:21.6.1
+FROM openvisualcloud/xeon-ubuntu2004-media-ffmpeg:21.6.1
 
-RUN yum install -y -q epel-release && yum -y -q install python36-ply python36-requests python36-setuptools && rm -rf /var/cache/yum/*
+RUN DEBIAN_FRONTEND=noninteractive apt-get update -qq && apt-get install -qq python3-ply python3-requests python3-setuptools && rm -rf /var/lib/apt/lists/*
 
 COPY --from=smtc_common /home/*.py /home/
 COPY *.py /home/

sensor/simulation/download.sh

@@ -3,7 +3,7 @@
 DIR=$(dirname $(readlink -f "$0"))
 IFS="," read -r -a SCENARIOS <<< "${2:-traffic}"
 
-FFMPEG_IMAGE="openvisualcloud/xeon-centos7-media-ffmpeg:21.6.1"
+FFMPEG_IMAGE="openvisualcloud/xeon-ubuntu2004-media-ffmpeg:21.6.1"
 CLIPS_traffic=($(grep _traffic "$DIR"/streamlist.txt))
 CLIPS_stadium=($(grep -v _traffic "$DIR"/streamlist.txt))
 

storage/Dockerfile

@@ -1,7 +1,7 @@
 
-FROM openvisualcloud/xeon-centos7-media-nginx:21.6.1
+FROM openvisualcloud/xeon-ubuntu2004-media-nginx:21.6.1
 
-RUN yum install -y -q epel-release && yum install -y -q python36-tornado python36-requests python36-ply python36-psutil && rm -rf /var/cache/yum/*
+RUN DEBIAN_FRONTEND=noninteractive apt-get update -qq && apt-get install -qq python3-tornado python3-requests python3-ply python3-psutil && rm -rf /var/lib/apt/lists/*
 
 COPY --from=smtc_common /home/*.py /home/
 COPY    *.py /home/