deprecate all cronjob module related code

related to https://github.com/chrislusf/seaweedfs/issues/2483

docker/Dockerfile

@@ -1,57 +0,0 @@
-FROM alpine
-
-# 'latest' or 'dev'
-ARG RELEASE=latest
-
-RUN \
-    ARCH=$(if [ $(uname -m) == "x86_64" ] && [ $(getconf LONG_BIT) == "64" ]; then echo "amd64"; \
-         elif [ $(uname -m) == "x86_64" ] && [ $(getconf LONG_BIT) == "32" ]; then echo "386"; \
-         elif [ $(uname -m) == "aarch64" ]; then echo "arm64"; \
-         elif [ $(uname -m) == "armv7l" ]; then echo "arm"; \
-         elif [ $(uname -m) == "armv6l" ]; then echo "arm"; \
-         elif [ $(uname -m) == "s390x" ]; then echo "s390x"; \
-         elif [ $(uname -m) == "ppc64le" ]; then echo "ppc64le"; fi;) && \
-    echo "Building for $ARCH" 1>&2 && \
-    SUPERCRONIC_SHA1SUM=$(echo $ARCH | sed 's/386/e0126b0102b9f388ecd55714358e3ad60d0cebdb/g' | sed 's/amd64/5ddf8ea26b56d4a7ff6faecdd8966610d5cb9d85/g' | sed 's/arm64/e2714c43e7781bf1579c85aa61259245f56dbba1/g' | sed 's/arm/47481c3341bc3a1ae91a728e0cc63c8e6d3791ad/g') && \
-    SUPERCRONIC_URL=https://github.com/aptible/supercronic/releases/download/v0.1.9/supercronic-linux-$ARCH && \
-    SUPERCRONIC=supercronic-linux-$ARCH && \
-    # Install SeaweedFS and Supercronic ( for cron job mode )
-    apk add --no-cache --virtual build-dependencies --update wget curl ca-certificates && \
-    apk add fuse && \
-    wget -P /tmp https://github.com/$(curl -s -L https://github.com/chrislusf/seaweedfs/releases/${RELEASE} | egrep -o "chrislusf/seaweedfs/releases/download/.*/linux_$ARCH.tar.gz" | head -n 1) && \
-    tar -C /usr/bin/ -xzvf /tmp/linux_$ARCH.tar.gz && \
-    curl -fsSLO "$SUPERCRONIC_URL" && \
-    echo "${SUPERCRONIC_SHA1SUM}  ${SUPERCRONIC}" | sha1sum -c - && \
-    chmod +x "$SUPERCRONIC" && \
-    mv "$SUPERCRONIC" "/usr/local/bin/${SUPERCRONIC}" && \
-    ln -s "/usr/local/bin/${SUPERCRONIC}" /usr/local/bin/supercronic && \
-    apk del build-dependencies && \
-    rm -rf /tmp/*
-
-# volume server gprc port
-EXPOSE 18080
-# volume server http port
-EXPOSE 8080
-# filer server gprc port
-EXPOSE 18888
-# filer server http port
-EXPOSE 8888
-# master server shared gprc port
-EXPOSE 19333
-# master server shared http port
-EXPOSE 9333
-# s3 server http port
-EXPOSE 8333
-# webdav server http port
-EXPOSE 7333
-
-RUN mkdir -p /data/filerldb2
-
-VOLUME /data
-WORKDIR /data
-
-COPY filer.toml /etc/seaweedfs/filer.toml
-COPY entrypoint.sh /entrypoint.sh
-RUN chmod +x /entrypoint.sh
-
-ENTRYPOINT ["/entrypoint.sh"]

docker/entrypoint.sh

@@ -57,16 +57,6 @@ case "$1" in
   	exec /usr/bin/weed s3 $ARGS $@
 	;;
 
-  'cronjob')
-	MASTER=${WEED_MASTER-localhost:9333}
-	FIX_REPLICATION_CRON_SCHEDULE=${CRON_SCHEDULE-*/7 * * * * *}
-	echo "$FIX_REPLICATION_CRON_SCHEDULE" 'echo "lock; volume.fix.replication; unlock" | weed shell -master='$MASTER > /crontab
-	BALANCING_CRON_SCHEDULE=${CRON_SCHEDULE-25 * * * * *}
-	echo "$BALANCING_CRON_SCHEDULE" 'echo "lock; volume.balance -collection ALL_COLLECTIONS -force; unlock" | weed shell -master='$MASTER >> /crontab
-	echo "Running Crontab:"
-	cat /crontab
-	exec supercronic /crontab
-	;;
   *)
   	exec /usr/bin/weed $@
 	;;

docker/seaweedfs-compose.yml

@@ -28,16 +28,6 @@ services:
     depends_on:
       - master
       - volume
-  cronjob:
-    image: chrislusf/seaweedfs # use a remote image
-    command: 'cronjob'
-    environment:
-      # Run re-replication every 2 minutes
-      CRON_SCHEDULE: '*/2 * * * * *' # Default: '*/5 * * * * *'
-      WEED_MASTER: master:9333 # Default: localhost:9333
-    depends_on:
-      - master
-      - volume
   s3:
     image: chrislusf/seaweedfs # use a remote image
     ports: