-
Notifications
You must be signed in to change notification settings - Fork 494
/
entrypoint.sh
executable file
·565 lines (490 loc) · 18.5 KB
/
entrypoint.sh
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
#!/bin/bash
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
# Entrypoint code for test-with-docker.py containers. test-with-docker.py
# will create Docker containers with this script as the entrypoint,
# with a variety of arguments. See test-with-docker.py for a more
# general overview.
#
# This assumes that the following are already mounted inside
# the container:
# /etc/localtime -> /mnt/localtime
# Helps timestamps be in the time zone of the host
# $IMPALA_HOME [a git repo of Impala] -> /repo
# Used to check out Impala afresh
# $IMPALA_HOME/logs/docker/<n1>/<n2> -> /logs
# Used to save logs out to host.
# <n1> represents the --name passed into
# test-with-docker for the test run. <n2>
# indicates which specific container is being run.
# ~/.ccache [configurable] -> /ccache
# Used to speed up builds.
#
# Usage:
# entrypoint.sh build <uid>
# entrypoint.sh test_suite <suite>
# where <suite> is one of: BE_TEST JDBC_TEST CLUSTER_TEST
# EE_TEST_SERIAL EE_TEST_PARALLEL
# Starts or stops postgres
# The centos:7 Docker image doesn't allow systemctl to start postgresql,
# so we start it explicitly with pg_ctl.
function _pg_ctl() {
if [ -f /etc/redhat-release ]; then
if which systemctl; then
sudo -u postgres PGDATA=/var/lib/pgsql/data bash -c "pg_ctl $1 -w --timeout=120 >> /var/lib/pgsql/pg.log 2>&1"
return
fi
fi
sudo service postgresql $1
}
# Install Python2 with pip2 and make them the default Python and pip commands
# on RedHat / CentOS 8.
# This has no notion of "default" Python, and can install both Python2 and Python3
# side by side. Impala currently needs Python2 as the default version.
# The function is adaptive; it performs only the necessary steps; it shares the installer
# logic with bin/bootstrap_system.sh
function install_python2_for_centos8() {
if command -v python && [[ $(python --version 2>&1 | cut -d ' ' -f 2) =~ 2\. ]]; then
echo "We have Python 2.x";
else
if ! command -v python2; then
# Python2 needs to be installed
dnf install -y python2
fi
# Here Python2 is installed, but is not the default Python.
# 1. Link pip's version to Python's version
alternatives --add-slave python /usr/bin/python2 /usr/bin/pip pip /usr/bin/pip2
alternatives --add-slave python /usr/libexec/no-python /usr/bin/pip pip \
/usr/libexec/no-python
# 2. Set Python2 (with pip2) to be the system default.
alternatives --set python /usr/bin/python2
fi
# Here the Python2 runtime is already installed, add the dev package
dnf -y install python2-devel
}
# Boostraps the container by creating a user and adding basic tools like Python and git.
# Takes a uid as an argument for the user to be created.
function build() {
# Handy for testing.
if [[ $TEST_TEST_WITH_DOCKER ]]; then
# We sleep busily so that CPU metrics will show usage, to
# better exercise the timeline code.
echo sleeping busily for 4 seconds
bash -c 'while [[ $SECONDS -lt 4 ]]; do :; done'
return
fi
# Configure timezone, so any timestamps that appear are coherent with the host.
configure_timezone
# Assert we're superuser.
[ "$(id -u)" = 0 ]
if id $1 2> /dev/null; then
echo "User with id $1 already exists. Please run this as a user id missing from " \
"the base Ubuntu container."
echo
echo "Container users:"
paste <(cut -d : -f3 /etc/passwd) <(cut -d : -f1 /etc/passwd) | sort -n
exit 1
fi
if command -v apt-get > /dev/null; then
apt-get update
# The 'python' package doesn't exist on Ubuntu 22, so this installs python3.
# TODO: It might not be necessary to install python here, as the container
# will invoke bootstrap_system.sh.
apt-get install -y sudo git python3
elif grep 'release 8\.' /etc/redhat-release; then
# WARNING: Install the following packages one by one!
# Installing them in a common transaction breaks something inside yum/dnf,
# and the subsequent step installing Python2 will fail with a GPG signature error.
dnf -y install sudo
dnf -y install which
dnf -y install git-core
install_python2_for_centos8
else
yum -y install which sudo git python
fi
if ! id impdev; then
# Adduser is slightly different on CentOS and Ubuntu
if which apt-get; then
adduser --disabled-password --gecos "" --uid $1 impdev
else
adduser --uid $1 impdev
fi
echo "impdev ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
fi
ulimit -a
su impdev -c "$0 build_impdev"
}
# Sets up Impala environment
function impala_environment() {
pushd /home/impdev/Impala
export IMPALA_HOME=/home/impdev/Impala
source bin/impala-config.sh
popd
}
# Starts SSH and PostgreSQL; configures container as necessary;
# prepares Kudu for starting.
function boot_container() {
pushd /home/impdev/Impala
# Make log directories. This is typically done in buildall.sh.
mkdir -p logs/be_tests logs/fe_tests/coverage logs/ee_tests logs/custom_cluster_tests
# Update /etc/hosts to remove the entry for the unique docker hostname,
# and instead point it to 127.0.0.1. Otherwise, HttpFS returns Location:
# redirects to said hostname, but the relevant datanode isn't listening
# on the wildcard address. bootstrap_system.sh does this as well, but
# Docker creates a new /etc/hosts every time a container is created, so
# this needs to be done here as well.
#
# "sed -i" in place doesn't work on Docker, because /etc/hosts is a bind mount.
sed -e /$(hostname)/d /etc/hosts > /tmp/hosts
echo "127.0.0.1 $(hostname) $(hostname -s)" >> /tmp/hosts
sudo cp /tmp/hosts /etc/hosts
echo Hostname: $(hostname)
echo Hosts file:
cat /etc/hosts
popd
}
function start_minicluster {
# The subshell here avoids the verbose output from set -x.
(echo ">>> Starting PostgreSQL and SSH") 2> /dev/null
pushd /home/impdev/Impala
# Required for metastore
_pg_ctl start
# Required for starting HBase
if [ -f /etc/redhat-release ]; then
if which systemctl; then
# centos7 doesn't support systemd running inside of docker to start daemons
sudo /usr/sbin/sshd
else
sudo service sshd start
fi
else
sudo service ssh start
fi
(echo ">>> Copying Kudu Data") 2> /dev/null
# Move around Kudu's WALs to avoid issue with Docker filesystems (aufs and
# overlayfs) that don't support os.rename(2) on directories, which Kudu
# requires. We make a fresh copy of the data, in which case rename(2) works
# presumably because there's only one layer involved. See
# https://issues.apache.org/jira/browse/KUDU-1419.
set -x
pushd /home/impdev/Impala/testdata
for x in cluster/cdh*/node-*/var/lib/kudu/*/wal; do
echo $x
# This mv takes time, as it's actually copying into the latest layer.
mv $x $x-orig
mkdir $x
mv $x-orig/* $x
rmdir $x-orig
done
popd
# Wait for postgresql to really start; if it doesn't, Hive Metastore will fail to start.
for i in {1..120}; do
echo connecting to postgresql attempt $i
if sudo -u postgres psql -c "select 1"; then
break
else
sleep 2
fi
done
sudo -u postgres psql -c "select 1"
(echo ">>> Starting mini cluster") 2> /dev/null
testdata/bin/run-all.sh
popd
}
# Runs bootstrap_system.sh and then builds Impala.
function build_impdev() {
# Assert we're impdev now.
[ "$(id -un)" = impdev ]
# Bump "Max processes" ulimit to the hard limit; default
# on CentOS 6 can be 1024, which isn't enough for minicluster.
ulimit -u $(cat /proc/self/limits | grep 'Max processes' | awk '{ print $4 }')
ulimit -a
# Link in ccache from host.
ln -s /ccache /home/impdev/.ccache
# Instead of doing a full "git clone" of /repo, which is the host's checkout,
# we only fetch one branch, without tags. This keeps the checkout
# considerably lighter.
mkdir /home/impdev/Impala
pushd /home/impdev/Impala
git init
git fetch /git_common_dir --no-tags "$GIT_HEAD_REV"
git checkout -b test-with-docker FETCH_HEAD
# Link in logs. Logs are on the host since that's the most important thing to
# look at after the tests are run.
ln -sf /logs logs
bin/bootstrap_system.sh
impala_environment
# Builds Impala and loads test data.
# Note that IMPALA-6494 prevents us from using shared library builds,
# which are smaller and thereby speed things up. We use "-notests"
# to avoid building backend tests, which are sizable, and
# can be built when executing those tests. We use "-noclean" to
# avoid deleting the log for this invocation which is in logs/,
# and, this is a first build anyway.
if ! ./buildall.sh -noclean -format -testdata -notests; then
echo "Build + dataload failed!"
copy_cluster_logs
return 1
fi
# We make one exception to "-notests":
# test_insert_parquet.py, which is used in all the end-to-end test
# shards, depends on this binary. We build it here once,
# instead of building it during the startup of each container running
# a subset of E2E tests. Building it here is also a lot faster.
if ! make -j$(nproc) --load-average=$(nproc) parquet-reader impala-profile-tool; then
echo "Impala profile tool build failed!"
copy_cluster_logs
return 1
fi
# Dump current memory usage to logs, before shutting things down.
memory_usage || true
# Shut down things cleanly.
testdata/bin/kill-all.sh || true
if ! hardlink_duplicate_hdfs_data; then
echo "Hardlink duplicate HDFS data failed!"
copy_cluster_logs
return 1
fi
copy_cluster_logs
# Shutting down PostgreSQL nicely speeds up it's start time for new containers.
_pg_ctl stop
# Clean up things we don't need to reduce image size
find be -name '*.o' -execdir rm '{}' + # ~1.6GB
# Clean up dangling symlinks. These (typically "cluster/cdh*-node-*")
# may point to something inside a container that no longer exists
# and can confuse Jenkins.
find /logs -xtype l -execdir rm '{}' ';'
popd
}
# "Compress" HDFS data by de-duplicating blocks. As a result of
# having three datanodes, our data load is 3x larger than it needs
# to be. To alleviate this (to the tune of ~20GB savings), we
# use hardlinks to link together the identical blocks. This is absolutely
# taking advantage of an implementation detail of HDFS.
function hardlink_duplicate_hdfs_data() {
echo "Hardlinking duplicate HDFS block data."
set +x
for x in $(find testdata/cluster/*/node-1/data/dfs/dn/current/ -name 'blk_*[0-9]'); do
for n in 2 3; do
xn=${x/node-1/node-$n}
if [ -f $xn ]; then
rm $xn
ln $x $xn
fi
done
done
set -x
}
# Prints top 20 RSS consumers (and other, total), in megabytes Common culprits
# are Java processes without Xmx set. Since most things don't reclaim memory,
# this is a decent proxy for peak memory usage by long-lived processes.
function memory_usage() {
(
echo "Top 20 memory consumers (RSS in MBs)"
sudo ps -axho rss,args | \
sed -e 's/^ *//' | \
sed -e 's, ,\t,' | \
sort -nr | \
awk -F'\t' '
FNR < 20 { print $1/1024.0, $2; total += $1/1024.0 }
FNR >= 20 { other+= $1/1024.0; total += $1/1024.0 }
END {
if (other) { print other, "-- other --" };
print total, "-- total --"
}'
) >& /logs/memory_usage.txt
}
# Some components like hdfs, yarn, kudu creates their log in
# testdata/cluster/cdh<version-number>/node-<node-id>/var/log/ folder
# these log folders are symlinked to logs/cluster/ folder
# remove symlinks and copy these logs to logs/cluster/
function copy_cluster_logs() {
echo ">>> Copy cluster logs..."
pushd /home/impdev/Impala
for x in testdata/cluster/cdh*/node-*/var/log/; do
echo $x
if [ -d $x ]; then
CDH_VERSION=`echo $x | sed "s#testdata/cluster/\(.*\)/node-.*#\1#"`
NODE_NUMBER=`echo $x | sed "s#testdata/cluster/cdh.*/\(.*\)/var.*#\1#"`
rm -rf logs/cluster/${CDH_VERSION}-${NODE_NUMBER}
mkdir -p logs/cluster/${CDH_VERSION}-${NODE_NUMBER}
cp -R $x/* logs/cluster/${CDH_VERSION}-${NODE_NUMBER}
fi
done
popd
}
# Runs a suite passed in as the first argument. Tightly
# coupled with Impala's run-all-tests and the suite names.
# from test-with-docker.py.
#
# Before running tests, starts up the minicluster.
function test_suite() {
cd /home/impdev/Impala
# These test suites are for testing.
if [[ $1 == NOOP ]]; then
# Sleep busily for 10 seconds.
bash -c 'while [[ $SECONDS -lt 10 ]]; do :; done'
return 0
fi
if [[ $1 == NOOP_FAIL ]]; then
return 1
fi
if [[ $1 == NOOP_SLEEP_FOREVER ]]; then
# Handy to test timeouts.
while true; do sleep 60; done
fi
# Assert that we're running as impdev
[ "$(id -un)" = impdev ]
# Assert that /home/impdev/Impala/logs is a symlink to /logs.
[ "$(readlink /home/impdev/Impala/logs)" = /logs ]
boot_container
impala_environment
if [[ ${REBUILD_ASAN:-false} = true ]]; then
# Note: we're not redoing data loading.
SKIP_TOOLCHAIN_BOOTSTRAP=true ./buildall.sh -noclean -notests -asan
fi
# Build the BE test binaries if needed.
if [[ $1 = BE_TEST* ]]; then
make -j$(nproc) --load-average=$(nproc) be-test be-benchmarks
fi
if [[ $1 == RAT_CHECK ]]; then
# Runs Apache RAT (a license checker)
git archive --prefix=rat/ -o rat-impala.zip HEAD
wget --quiet https://archive.apache.org/dist/creadur/apache-rat-0.12/apache-rat-0.12-bin.tar.gz
tar xzf apache-rat-0.12-bin.tar.gz
java -jar apache-rat-0.12/apache-rat-0.12.jar -x rat-impala.zip > logs/rat.xml
bin/check-rat-report.py bin/rat_exclude_files.txt logs/rat.xml
return $?
fi
# Start the minicluster
start_minicluster
# By default, the JVM will use 1/4 of your OS memory for its heap size. For a
# long-running test, this will delay GC inside of impalad's leading to
# unnecessarily large process RSS footprints. To combat this, we
# set a small initial heap size, and then cap it at a more reasonable
# size. The small initial heap sizes help for daemons that do little
# in the way of JVM work (e.g., the 2nd and 3rd impalad's).
# Note that "test_insert_large_string" fails at 2g and 3g, so the suite that
# includes it (EE_TEST_PARALLEL) gets additional memory.
# Note that we avoid using TEST_START_CLUSTER_ARGS="--jvm-args=..."
# because it gets flattened along the way if we need to provide
# more than one Java argument. We use JAVA_TOOL_OPTIONS instead.
JVM_HEAP_MAX_GB=2
if [[ $1 = EE_TEST_PARALLEL ]]; then
JVM_HEAP_MAX_GB=4
elif [[ $1 = EE_TEST_PARALLEL_EXHAUSTIVE ]]; then
JVM_HEAP_MAX_GB=8
fi
JAVA_TOOL_OPTIONS="-Xms512M -Xmx${JVM_HEAP_MAX_GB}G"
# Similarly, bin/start-impala-cluster typically configures the memlimit
# to be 80% of the machine memory, divided by the number of daemons.
# If multiple containers are to be run simultaneously, this is scaled
# down in test-with-docker.py (and further configurable with --impalad-mem-limit-bytes)
# and passed in via $IMPALAD_MEM_LIMIT_BYTES to the container. There is a
# relationship between the number of parallel tests that can be run by py.test and this
# limit.
export TEST_START_CLUSTER_ARGS="--impalad_args=--mem_limit=$IMPALAD_MEM_LIMIT_BYTES"
export MAX_PYTEST_FAILURES=0
# Asserting that these should are all set (to either true or false as strings).
# This is how run-all.sh chooses between them.
[[ $FE_TEST && $BE_TEST && $EE_TEST && $JDBC_TEST && $CLUSTER_TEST ]]
ret=0
# Run tests.
(echo ">>> $1: Starting run-all-test") 2> /dev/null
if ! time -p bash -x bin/run-all-tests.sh; then
ret=1
echo "Tests $1 failed!"
else
echo "Tests $1 succeeded!"
fi
# Save memory usage after tests have run but before shutting down the cluster.
memory_usage || true
# Oddly, I've observed bash fail to exit (and wind down the container),
# leading to test-with-docker.py hitting a timeout. Killing the minicluster
# daemons fixes this.
testdata/bin/kill-all.sh || true
copy_cluster_logs
return $ret
}
# It's convenient (for log files to be legible) for the container
# to have the host timezone. However, /etc/localtime is finnicky
# (see localtime(5)) and mounting it to the host /etc/localtime or
# symlinking it there doesn't always work. Instead, we expect
# $LOCALTIME_LINK_TARGET to be set to a path in /usr/share/zoneinfo.
function configure_timezone() {
if [ -e "${LOCALTIME_LINK_TARGET}" ]; then
ln -sf "${LOCALTIME_LINK_TARGET}" /etc/localtime
# Only Debian-based distros have this file.
if [ -f /etc/timezone ]; then
echo "${LOCALTIME_LINK_TARGET}" | sed -e 's,.*zoneinfo/,,' > /etc/timezone
fi
else
echo '$LOCALTIME_LINK_TARGET not configured.' 1>&2
fi
}
# Exposes a shell, with the container booted with
# a minicluster.
function shell() {
echo "Starting minicluster and Impala."
# Logs is typically a symlink; remove it if so.
rm logs || true
mkdir -p logs
boot_container
impala_environment
start_minicluster
bin/start-impala-cluster.py
cat <<"EOF"
==========================================================
Welcome to the Impala development environment.
The "minicluster" is running; i.e., HDFS, HBase, Hive,
etc. are running. $KUDU_MSG
To get started, perhaps run:
impala-shell.sh -q 'select count(*) from tpcds.web_page'
==========================================================
EOF
exec bash
}
function main() {
set -e
# Run given command
CMD="$1"
shift
# Treat shell specialy to avoid the extra logging and | cat below.
if [[ $CMD = "shell" ]]; then
shell
# shell shoud have exec'd, so if we get here, it's a failure.
exit 1
fi
echo ">>> ${CMD} $@ (begin)"
# Dump environment, for debugging
env | grep -vE "AWS_(SECRET_)?ACCESS_KEY"
ulimit -a
set -x
# The "| cat" here avoids "set -e"/errexit from exiting the
# script right away.
"${CMD}" "$@" | cat
ret=${PIPESTATUS[0]}
set +x
echo ">>> ${CMD} $@ ($ret) (end)"
exit $ret
}
# Run main() unless we're being sourced.
if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
main "$@"
fi