1#!/bin/bash
2#
3# Copyright (C) 2015 The Android Open Source Project
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#      http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17# The work does by this script is (mostly) undone by tools/buildbot-teardown-device.sh.
18# Make sure to keep these files in sync.
19
20if [ -t 1 ]; then
21  # Color sequences if terminal is a tty.
22  red='\033[0;31m'
23  green='\033[0;32m'
24  yellow='\033[0;33m'
25  nc='\033[0m'
26fi
27
28if [ "$1" = --verbose ]; then
29  verbose=true
30else
31  verbose=false
32fi
33
34# Setup as root, as some actions performed here require it.
35adb root
36adb wait-for-device
37
38echo -e "${green}Date on host${nc}"
39date
40
41echo -e "${green}Date on device${nc}"
42adb shell date
43
44host_seconds_since_epoch=$(date -u +%s)
45device_seconds_since_epoch=$(adb shell date -u +%s)
46
47abs_time_difference_in_seconds=$(expr $host_seconds_since_epoch - $device_seconds_since_epoch)
48if [ $abs_time_difference_in_seconds -lt 0 ]; then
49  abs_time_difference_in_seconds=$(expr 0 - $abs_time_difference_in_seconds)
50fi
51
52seconds_per_hour=3600
53
54# Kill logd first, so that when we set the adb buffer size later in this file,
55# it is brought up again.
56echo -e "${green}Killing logd, seen leaking on fugu/N${nc}"
57adb shell pkill -9 -U logd logd && echo -e "${green}...logd killed${nc}"
58
59# Update date on device if the difference with host is more than one hour.
60if [ $abs_time_difference_in_seconds -gt $seconds_per_hour ]; then
61  echo -e "${green}Update date on device${nc}"
62  adb shell date -u @$host_seconds_since_epoch
63fi
64
65echo -e "${green}Turn off selinux${nc}"
66adb shell setenforce 0
67$verbose && adb shell getenforce
68
69echo -e "${green}Setting local loopback${nc}"
70adb shell ifconfig lo up
71$verbose && adb shell ifconfig
72
73if $verbose; then
74  echo -e "${green}List properties${nc}"
75  adb shell getprop
76
77  echo -e "${green}Uptime${nc}"
78  adb shell uptime
79
80  echo -e "${green}Battery info${nc}"
81  adb shell dumpsys battery
82fi
83
84# Fugu only handles buffer size up to 16MB.
85product_name=$(adb shell getprop ro.build.product)
86
87if [ "x$product_name" = xfugu ]; then
88  buffer_size=16MB
89else
90  buffer_size=32MB
91fi
92
93echo -e "${green}Setting adb buffer size to ${buffer_size}${nc}"
94adb logcat -G ${buffer_size}
95$verbose && adb logcat -g
96
97echo -e "${green}Removing adb spam filter${nc}"
98adb logcat -P ""
99$verbose && adb logcat -p
100
101echo -e "${green}Kill stalled dalvikvm processes${nc}"
102# 'ps' on M can sometimes hang.
103timeout 2s adb shell "ps" >/dev/null
104if [[ $? == 124 ]] && [[ "$ART_TEST_DONT_REBOOT_DEVICE" != true ]]; then
105  echo -e "${green}Rebooting device to fix 'ps'${nc}"
106  adb reboot
107  adb wait-for-device root
108else
109  processes=$(adb shell "ps" | grep dalvikvm | awk '{print $2}')
110  for i in $processes; do adb shell kill -9 $i; done
111fi
112
113# Chroot environment.
114# ===================
115
116if [[ -n "$ART_TEST_CHROOT" ]]; then
117  # Prepare the chroot dir.
118  echo -e "${green}Prepare the chroot dir in $ART_TEST_CHROOT${nc}"
119
120  # Check that ART_TEST_CHROOT is correctly defined.
121  [[ "x$ART_TEST_CHROOT" = x/* ]] || { echo "$ART_TEST_CHROOT is not an absolute path"; exit 1; }
122
123  # Create chroot.
124  adb shell mkdir -p "$ART_TEST_CHROOT"
125
126  # Provide property_contexts file(s) in chroot.
127  # This is required to have Android system properties work from the chroot.
128  # Notes:
129  # - In Android N, only '/property_contexts' is expected.
130  # - In Android O+, property_context files are expected under /system and /vendor.
131  # (See bionic/libc/bionic/system_properties.cpp or
132  # bionic/libc/system_properties/contexts_split.cpp for more information.)
133  property_context_files="/property_contexts \
134    /system/etc/selinux/plat_property_contexts \
135    /vendor/etc/selinux/nonplat_property_context \
136    /plat_property_contexts \
137    /nonplat_property_contexts"
138  for f in $property_context_files; do
139    adb shell test -f "$f" \
140      "&&" mkdir -p "$ART_TEST_CHROOT$(dirname $f)" \
141      "&&" cp -f "$f" "$ART_TEST_CHROOT$f"
142  done
143
144  # Create directories required for ART testing in chroot.
145  adb shell mkdir -p "$ART_TEST_CHROOT/tmp"
146  adb shell mkdir -p "$ART_TEST_CHROOT/data/dalvik-cache"
147  adb shell mkdir -p "$ART_TEST_CHROOT/data/local/tmp"
148
149  # Populate /etc in chroot with required files.
150  adb shell mkdir -p "$ART_TEST_CHROOT/system/etc"
151  adb shell test -L "$ART_TEST_CHROOT/etc" \
152    || adb shell ln -s system/etc "$ART_TEST_CHROOT/etc"
153
154  # Provide /proc in chroot.
155  adb shell mkdir -p "$ART_TEST_CHROOT/proc"
156  adb shell mount | grep -q "^proc on $ART_TEST_CHROOT/proc type proc " \
157    || adb shell mount -t proc proc "$ART_TEST_CHROOT/proc"
158
159  # Provide /sys in chroot.
160  adb shell mkdir -p "$ART_TEST_CHROOT/sys"
161  adb shell mount | grep -q "^sysfs on $ART_TEST_CHROOT/sys type sysfs " \
162    || adb shell mount -t sysfs sysfs "$ART_TEST_CHROOT/sys"
163  # Provide /sys/kernel/debug in chroot.
164  adb shell mount | grep -q "^debugfs on $ART_TEST_CHROOT/sys/kernel/debug type debugfs " \
165    || adb shell mount -t debugfs debugfs "$ART_TEST_CHROOT/sys/kernel/debug"
166
167  # Provide /dev in chroot.
168  adb shell mkdir -p "$ART_TEST_CHROOT/dev"
169  adb shell mount | grep -q "^tmpfs on $ART_TEST_CHROOT/dev type tmpfs " \
170    || adb shell mount -o bind /dev "$ART_TEST_CHROOT/dev"
171
172  # Create /apex directory in chroot.
173  adb shell mkdir -p "$ART_TEST_CHROOT/apex"
174
175  # Create /linkerconfig directory in chroot.
176  adb shell mkdir -p "$ART_TEST_CHROOT/linkerconfig"
177
178  # Create /bin symlink for shebang compatibility.
179  adb shell test -L "$ART_TEST_CHROOT/bin" \
180    || adb shell ln -s system/bin "$ART_TEST_CHROOT/bin"
181fi
182