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151 lines
5.1 KiB
151 lines
5.1 KiB
#!/bin/bash
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#
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# Copyright (C) 2018 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# This script undoes (most of) the work done by tools/buildbot-setup-device.sh.
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# Make sure to keep these files in sync.
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if [ -t 1 ]; then
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# Color sequences if terminal is a tty.
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green='\033[0;32m'
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nc='\033[0m'
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fi
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# Setup as root, as some actions performed here require it.
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adb root
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adb wait-for-device
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if [[ -n "$ART_TEST_CHROOT" ]]; then
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# Check that ART_TEST_CHROOT is correctly defined.
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[[ "x$ART_TEST_CHROOT" = x/* ]] || { echo "$ART_TEST_CHROOT is not an absolute path"; exit 1; }
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if adb shell test -d "$ART_TEST_CHROOT"; then
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# Display users of the chroot dir.
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echo -e "${green}List open files under chroot dir $ART_TEST_CHROOT${nc}"
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adb shell lsof | grep "$ART_TEST_CHROOT"
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# for_all_chroot_process ACTION
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# -----------------------------
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# Execute ACTION on all processes running from binaries located
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# under the chroot directory. ACTION is passed two arguments: the
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# PID of the process, and a string containing the command line
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# that started this process.
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for_all_chroot_process() {
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local action=$1
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adb shell ls -ld "/proc/*/root" \
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| sed -n -e "s,^.* \\(/proc/.*/root\\) -> $ART_TEST_CHROOT\$,\\1,p" \
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| while read link; do
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local dir=$(dirname "$link")
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local pid=$(basename "$dir")
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local cmdline=$(adb shell cat "$dir"/cmdline | tr '\000' ' ')
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$action "$pid" "$cmdline"
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done
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}
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# display_process PID CMDLINE
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# ---------------------------
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# Display information about process with given PID, that was started with CMDLINE.
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display_process() {
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local pid=$1
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local cmdline=$2
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echo "$cmdline (PID: $pid)"
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}
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echo -e "${green}List processes running from binaries under chroot dir $ART_TEST_CHROOT${nc}"
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for_all_chroot_process display_process
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# Tear down the chroot dir.
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echo -e "${green}Tear down the chroot set up in $ART_TEST_CHROOT${nc}"
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# remove_filesystem_from_chroot DIR-IN-CHROOT FSTYPE REMOVE-DIR-IN-CHROOT
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# -----------------------------------------------------------------------
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# Unmount filesystem with type FSTYPE mounted in directory DIR-IN-CHROOT
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# under the chroot directory.
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# Remove DIR-IN-CHROOT under the chroot if REMOVE-DIR-IN-CHROOT is
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# true.
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remove_filesystem_from_chroot() {
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local dir_in_chroot=$1
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local fstype=$2
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local remove_dir=$3
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local dir="$ART_TEST_CHROOT/$dir_in_chroot"
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adb shell test -d "$dir" \
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&& adb shell mount | grep -q "^$fstype on $dir type $fstype " \
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&& if adb shell umount "$dir"; then
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$remove_dir && adb shell rmdir "$dir"
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else
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echo "Files still open in $dir:"
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adb shell lsof | grep "$dir"
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fi
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}
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# Remove /bin symlink from chroot.
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adb shell rm -f "$ART_TEST_CHROOT/bin"
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# Remove /apex from chroot.
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adb shell rm -rf "$ART_TEST_CHROOT/apex"
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# Remove /dev from chroot.
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remove_filesystem_from_chroot dev tmpfs true
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# Remove /sys/kernel/debug from chroot.
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# The /sys/kernel/debug directory under the chroot dir cannot be
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# deleted, as it is part of the host device's /sys filesystem.
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remove_filesystem_from_chroot sys/kernel/debug debugfs false
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# Remove /sys from chroot.
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remove_filesystem_from_chroot sys sysfs true
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# Remove /proc from chroot.
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remove_filesystem_from_chroot proc proc true
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# Remove /etc from chroot.
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adb shell rm -f "$ART_TEST_CHROOT/etc"
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adb shell rm -rf "$ART_TEST_CHROOT/system/etc"
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# Remove directories used for ART testing in chroot.
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adb shell rm -rf "$ART_TEST_CHROOT/data/local/tmp"
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adb shell rm -rf "$ART_TEST_CHROOT/data/dalvik-cache"
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adb shell rm -rf "$ART_TEST_CHROOT/tmp"
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# Remove property_contexts file(s) from chroot.
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property_context_files="/property_contexts \
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/system/etc/selinux/plat_property_contexts \
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/vendor/etc/selinux/nonplat_property_context \
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/plat_property_contexts \
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/nonplat_property_contexts"
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for f in $property_context_files; do
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adb shell rm -f "$ART_TEST_CHROOT$f"
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done
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# Kill processes still running in the chroot.
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# kill_process PID CMDLINE
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# ------------------------
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# Kill process with given PID, that was started with CMDLINE.
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kill_process() {
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local pid=$1
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local cmdline=$2
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echo "Killing $cmdline (PID: $pid)"
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adb shell kill -9 "$pid"
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}
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echo -e "${green}Kill processes still running from binaries under" \
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"chroot dir $ART_TEST_CHROOT (if any)${nc} "
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for_all_chroot_process kill_process
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fi
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fi
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