agnos rootfs statistics in CI (#291)

* agnos rootfs statistics in CI

* rebuild

* wip

* minimal stats

* agnos stats in PR comment

* just the folders

* just stats

* raw image is now just image

* fix printing stats when no [upload]

* this is nicer [upload]

scripts/analyze-agnos-rootfs.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+set -e
+
+DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." >/dev/null && pwd)"
+cd $DIR
+
+BUILD_DIR="$DIR/build"
+ROOTFS_DIR="$BUILD_DIR/agnos-rootfs"
+ROOTFS_IMAGE="$BUILD_DIR/system.img"
+
+# Setup mount container for macOS and CI support (namespace.so)
+docker build -f $DIR/Dockerfile.builder -t agnos-mount $DIR > /dev/null 2>&1
+MOUNT_CONTAINER_ID=$(docker run -d --privileged -v $DIR:$DIR agnos-mount)
+exec() {
+  docker exec $MOUNT_CONTAINER_ID "$@"
+}
+
+# Cleanup container on exit
+trap "docker container rm -f $MOUNT_CONTAINER_ID > /dev/null" EXIT
+
+# Mount filesystem
+exec mount "$ROOTFS_IMAGE" "$ROOTFS_DIR"
+
+# Stats
+# echo "Total size:"
+exec bash -c "du -sh \"$ROOTFS_DIR\" | sed 's|$ROOTFS_DIR|/|'"
+# echo "Python env size:"
+exec bash -c "du -sh -t 150M \"$ROOTFS_DIR\"/usr/local/* | sort -rh | sed 's|$ROOTFS_DIR||'"
+# echo "Lib size:"
+exec bash -c "du -sh -t 150M \"$ROOTFS_DIR\"/usr/lib/* | sort -rh | sed 's|$ROOTFS_DIR||'"
+# echo "Others size:"
+exec bash -c "find \"$ROOTFS_DIR/usr\" -mindepth 1 -maxdepth 1 -type d ! -path \"$ROOTFS_DIR/usr/local\" ! -path \"$ROOTFS_DIR/usr/lib\" -exec du -sh -t 150M {} + | sort -rh | sed 's|$ROOTFS_DIR||'"
+
+# Unmount image
+exec umount -l "$ROOTFS_DIR"