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1#!/usr/bin/env bash
2#
3# Copyright (C) 2019-2021 Red Hat, Inc.
4# This file is part of elfutils.
5#
6# This file is free software; you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation; either version 3 of the License, or
9# (at your option) any later version.
10#
11# elfutils is distributed in the hope that it will be useful, but
12# WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program.  If not, see <http://www.gnu.org/licenses/>.
18
19. $srcdir/debuginfod-subr.sh
20
21# for test case debugging, uncomment:
22set -x
23unset VALGRIND_CMD
24
25DB=${PWD}/.debuginfod_tmp.sqlite
26export DEBUGINFOD_CACHE_PATH=${PWD}/.client_cache
27export DEBUGINFOD_TIMEOUT=10
28export DEBUGINFOD_URLS='http://127.0.0.1:0' # Note invalid, will trigger error_count metric
29tempfiles $DB
30# Clean old dirictories
31mkdir D L F
32
33# not tempfiles F R L D Z - they are directories which we clean up manually
34ln -s ${abs_builddir}/dwfllines L/foo   # any program not used elsewhere in this test
35# This variable is essential and ensures no time-race for claiming ports occurs
36# set base to a unique multiple of 100 not used in any other 'run-debuginfod-*' test
37base=9000
38get_ports
39
40# Launch server which will be unable to follow symlinks
41env LD_LIBRARY_PATH=$ldpath ${abs_builddir}/../debuginfod/debuginfod $VERBOSE -d ${DB} -F -U -t0 -g0 -p $PORT1 L D F > vlog$PORT1 2>&1 &
42PID1=$!
43tempfiles vlog$PORT1
44errfiles vlog$PORT1
45
46wait_ready $PORT1 'ready' 1
47
48# Wait till initial scan is done
49wait_ready $PORT1 'thread_work_total{role="traverse"}' 1
50wait_ready $PORT1 'thread_work_pending{role="scan"}' 0
51wait_ready $PORT1 'thread_busy{role="scan"}' 0
52########################################################################
53# Compile a simple program, strip its debuginfo and save the build-id.
54# Also move the debuginfo into another directory so that elfutils
55# cannot find it without debuginfod.
56echo "int main() { return 0; }" > ${PWD}/prog.c
57tempfiles prog.c
58# Create a subdirectory to confound source path names
59mkdir foobar
60gcc -Wl,--build-id -g -o prog ${PWD}/foobar///./../prog.c
61testrun ${abs_top_builddir}/src/strip -g -f prog.debug ${PWD}/prog
62BUILDID=`env LD_LIBRARY_PATH=$ldpath ${abs_builddir}/../src/readelf \
63          -a prog | grep 'Build ID' | cut -d ' ' -f 7`
64
65mv prog F
66mv prog.debug F
67kill -USR1 $PID1
68# Wait till both files are in the index.
69wait_ready $PORT1 'thread_work_total{role="traverse"}' 2
70wait_ready $PORT1 'thread_work_pending{role="scan"}' 0
71wait_ready $PORT1 'thread_busy{role="scan"}' 0
72
73wait_ready $PORT1 'thread_busy{role="http-buildid"}' 0
74wait_ready $PORT1 'thread_busy{role="http-metrics"}' 1
75
76export DEBUGINFOD_CACHE_PATH=${PWD}/.client_cache2
77mkdir -p $DEBUGINFOD_CACHE_PATH
78# NB: run in -L symlink-following mode for the L subdir
79env LD_LIBRARY_PATH=$ldpath DEBUGINFOD_URLS=http://127.0.0.1:$PORT1 ${abs_builddir}/../debuginfod/debuginfod $VERBOSE -d ${DB}_2 -F -U -p $PORT2 -L L D > vlog$PORT2 2>&1 &
80PID2=$!
81tempfiles vlog$PORT2
82errfiles vlog$PORT2
83tempfiles ${DB}_2
84
85wait_ready $PORT2 'ready' 1
86wait_ready $PORT2 'thread_work_total{role="traverse"}' 1
87wait_ready $PORT2 'thread_work_pending{role="scan"}' 0
88wait_ready $PORT2 'thread_busy{role="scan"}' 0
89
90wait_ready $PORT2 'thread_busy{role="http-buildid"}' 0
91wait_ready $PORT2 'thread_busy{role="http-metrics"}' 1
92
93# have clients contact the new server
94export DEBUGINFOD_URLS=http://127.0.0.1:$PORT2
95# Use fresh cache for debuginfod-find client requests
96export DEBUGINFOD_CACHE_PATH=${PWD}/.client_cache3
97mkdir -p $DEBUGINFOD_CACHE_PATH
98
99if type bsdtar 2>/dev/null; then
100    # copy in the deb files
101    cp -rvp ${abs_srcdir}/debuginfod-debs/*deb D
102    kill -USR1 $PID2
103    wait_ready $PORT2 'thread_work_total{role="traverse"}' 2
104    wait_ready $PORT2 'thread_work_pending{role="scan"}' 0
105    wait_ready $PORT2 'thread_busy{role="scan"}' 0
106
107    # All debs need to be in the index
108    debs=$(find D -name \*.deb | wc -l)
109    wait_ready $PORT2 'scanned_files_total{source=".deb archive"}' `expr $debs`
110    ddebs=$(find D -name \*.ddeb | wc -l)
111    wait_ready $PORT2 'scanned_files_total{source=".ddeb archive"}' `expr $ddebs`
112
113    # ubuntu
114    archive_test f17a29b5a25bd4960531d82aa6b07c8abe84fa66 "" ""
115fi
116
117testrun ${abs_top_builddir}/debuginfod/debuginfod-find debuginfo $BUILDID
118
119# send a request to stress XFF and User-Agent federation relay;
120# we'll grep for the two patterns in vlog$PORT1
121curl -s -H 'User-Agent: TESTCURL' -H 'X-Forwarded-For: TESTXFF' $DEBUGINFOD_URLS/buildid/deaddeadbeef00000000/debuginfo -o /dev/null || true
122
123grep UA:TESTCURL vlog$PORT1
124grep XFF:TESTXFF vlog$PORT1
125
126# confirm that first server can't resolve symlinked info in L/ but second can
127BUILDID=`env LD_LIBRARY_PATH=$ldpath ${abs_builddir}/../src/readelf \
128         -a L/foo | grep 'Build ID' | cut -d ' ' -f 7`
129file L/foo
130file -L L/foo
131export DEBUGINFOD_URLS=http://127.0.0.1:$PORT1
132rm -rf $DEBUGINFOD_CACHE_PATH
133testrun ${abs_top_builddir}/debuginfod/debuginfod-find debuginfo $BUILDID && false || true
134rm -f $DEBUGINFOD_CACHE_PATH/$BUILDID/debuginfo # drop 000-perm negative-hit file
135export DEBUGINFOD_URLS=http://127.0.0.1:$PORT2
136testrun ${abs_top_builddir}/debuginfod/debuginfod-find debuginfo $BUILDID
137
138# test again with scheme free url
139export DEBUGINFOD_URLS=127.0.0.1:$PORT1
140rm -rf $DEBUGINFOD_CACHE_PATH
141testrun ${abs_top_builddir}/debuginfod/debuginfod-find debuginfo $BUILDID && false || true
142rm -f $DEBUGINFOD_CACHE_PATH/$BUILDID/debuginfo # drop 000-perm negative-hit file
143export DEBUGINFOD_URLS=127.0.0.1:$PORT2
144testrun ${abs_top_builddir}/debuginfod/debuginfod-find debuginfo $BUILDID
145# test parallel queries in client
146export DEBUGINFOD_CACHE_PATH=${PWD}/.client_cache3
147mkdir -p $DEBUGINFOD_CACHE_PATH
148export DEBUGINFOD_URLS="BAD http://127.0.0.1:$PORT1 127.0.0.1:$PORT1 http://127.0.0.1:$PORT2 DNE"
149
150testrun ${abs_builddir}/debuginfod_build_id_find -e F/prog 1
151
152########################################################################
153# Fetch some metrics
154curl -s http://127.0.0.1:$PORT1/badapi
155curl -s http://127.0.0.1:$PORT1/metrics
156curl -s http://127.0.0.1:$PORT2/metrics
157curl -s http://127.0.0.1:$PORT1/metrics | grep -q 'http_responses_total.*result.*error'
158curl -s http://127.0.0.1:$PORT2/metrics | grep -q 'http_responses_total.*result.*upstream'
159curl -s http://127.0.0.1:$PORT1/metrics | grep 'http_responses_duration_milliseconds_count'
160curl -s http://127.0.0.1:$PORT1/metrics | grep 'http_responses_duration_milliseconds_sum'
161curl -s http://127.0.0.1:$PORT1/metrics | grep 'http_responses_transfer_bytes_count'
162curl -s http://127.0.0.1:$PORT1/metrics | grep 'http_responses_transfer_bytes_sum'
163curl -s http://127.0.0.1:$PORT1/metrics | grep 'fdcache_'
164curl -s http://127.0.0.1:$PORT1/metrics | grep 'error_count'
165curl -s http://127.0.0.1:$PORT1/metrics | grep 'traversed_total'
166curl -s http://127.0.0.1:$PORT1/metrics | grep 'scanned_bytes_total'
167
168# And generate a few errors into the second debuginfod's logs, for analysis just below
169curl -s http://127.0.0.1:$PORT2/badapi > /dev/null || true
170curl -s http://127.0.0.1:$PORT2/buildid/deadbeef/debuginfo > /dev/null || true
171# NB: this error is used to seed the 404 failure for the survive-404 tests
172
173# Confirm bad artifact types are rejected without leaving trace
174curl -s http://127.0.0.1:$PORT2/buildid/deadbeef/badtype > /dev/null || true
175(curl -s http://127.0.0.1:$PORT2/metrics | grep 'badtype') && false
176
177# Confirm that reused curl connections survive 404 errors.
178# The rm's force an uncached fetch (in both servers and client cache)
179rm -f .client_cache*/$BUILDID/debuginfo
180testrun ${abs_top_builddir}/debuginfod/debuginfod-find debuginfo $BUILDID
181rm -f .client_cache*/$BUILDID/debuginfo
182testrun ${abs_top_builddir}/debuginfod/debuginfod-find debuginfo $BUILDID
183testrun ${abs_top_builddir}/debuginfod/debuginfod-find debuginfo $BUILDID
184testrun ${abs_top_builddir}/debuginfod/debuginfod-find debuginfo $BUILDID
185rm -f .client_cache*/$BUILDID/debuginfo
186testrun ${abs_top_builddir}/debuginfod/debuginfod-find debuginfo $BUILDID
187
188# Confirm that some debuginfod client pools are being used
189curl -s http://127.0.0.1:$PORT2/metrics | grep 'dc_pool_op.*reuse'
190
191# Trigger a flood of requests against the same archive content file.
192# Use a file that hasn't been previously extracted in to make it
193# likely that even this test debuginfod will experience concurrency
194# and impose some "after-you" delays.
195(for i in `seq 100`; do
196    curl -s http://127.0.0.1:$PORT1/buildid/87c08d12c78174f1082b7c888b3238219b0eb265/executable >/dev/null &
197 done;
198 wait)
199curl -s http://127.0.0.1:$PORT1/metrics | grep 'http_responses_after_you.*'
200# If we could guarantee some minimum number of seconds of CPU time, we
201# could assert that the after_you metrics show some nonzero amount of
202# waiting.  A few hundred ms is typical on this developer's workstation.
203
204kill $PID1
205kill $PID2
206wait $PID1
207wait $PID2
208PID1=0
209PID2=0
210exit 0
211
212