test: initial refactor to support running in parallel in an unshare

The release suite fails with no permissions to dump loopback, so let's
run tests in an unshare, one per test, with and start as many syslogd as
needed for each test -- also easier to debug since all are then fully
stand-alone.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

test/Makefile.am

@@ -2,6 +2,7 @@ EXTRA_DIST       = test.rc opts.sh start.sh stop.sh
 EXTRA_DIST      += api.sh local.sh remote.sh fwd.sh mark.sh
 CLEANFILES       = *~ *.trs *.log
 TEST_EXTENSIONS  = .sh
+TESTS_ENVIRONMENT= unshare -mrun
 
 check_PROGRAMS   = api
 api_SOURCES      = api.c
@@ -10,12 +11,10 @@ api_LDFLAGS      = -static
 api_LDADD        = ../src/libsyslog.la
 
 TESTS            = opts.sh
-TESTS           += start.sh
 TESTS           += local.sh
 TESTS           += remote.sh
 TESTS           += api.sh
 TESTS           += fwd.sh
 TESTS           += mark.sh
-TESTS           += stop.sh
 
 programs: $(check_PROGRAMS)

test/api.sh

@@ -1,9 +1,5 @@
 #!/bin/sh
-set -ex
-if [ x"${srcdir}" = x ]; then
-    srcdir=.
-fi
-. ${srcdir}/test.rc
+. ./start.sh
 
 export MSG="no-openlog-apitest"
 
@@ -42,3 +38,4 @@ echo "= Phase 4 - Verify RFC5424 API with logger(1) ==========="
 sleep 2
 grep "exampleSDID@32473" ${LOGV1} || (echo "== ${LOGV1}"; tail -10  ${LOGV1}; false)
 
+. ./stop.sh

test/fwd.sh

@@ -1,10 +1,6 @@
 #!/bin/sh
 # Test FWD between two syslogd, second binds 127.0.0.2:5555
-set -ex
-if [ x"${srcdir}" = x ]; then
-    srcdir=.
-fi
-. ${srcdir}/test.rc
+. ./start.sh
 
 MSG="fwd and allow"
 
@@ -29,3 +25,5 @@ kill -USR1 `cat ${PID2}`
 ../src/logger -t fwd -p ntp.notice -u ${SOCK} -m "NTP123" ${MSG}
 sleep 3
 grep "fwd - NTP123 - ${MSG}" ${LOG2}
+
+. ./stop.sh

test/local.sh

@@ -1,8 +1,5 @@
 #!/bin/sh
-if [ x"${srcdir}" = x ]; then
-    srcdir=.
-fi
-. ${srcdir}/test.rc
+. ./start.sh
 
 MSG="foobar"
 MSG2="xyzzy"
@@ -12,3 +9,5 @@ grep ${MSG} ${LOG}
 
 ../src/logger -u ${ALTSOCK} ${MSG2}
 grep ${MSG2} ${LOG}
+
+. ./stop.sh

test/mark.sh

@@ -1,10 +1,14 @@
 #!/bin/sh -e
 # Test '-- MARK --' in log, depends on fwd.sh
+. ./start.sh
 
-if [ x"${srcdir}" = x ]; then
-    srcdir=.
-fi
-. ${srcdir}/test.rc
+check_mark()
+{
+    grep "MARK" "${LOG}" && return 0
+    sleep 1
+    return 1
+}
 
-sleep 120
-grep "MARK" ${LOG2}
+tenacious 120 check_mark
+
+. ./stop.sh

test/remote.sh

@@ -1,9 +1,5 @@
 #!/bin/sh
-set -ex
-if [ x"${srcdir}" = x ]; then
-    srcdir=.
-fi
-. ${srcdir}/test.rc
+. ./start.sh
 
 MSG="kilroy"
 
@@ -29,3 +25,4 @@ wait ${TPID}
 tshark -r ${CAP} | grep ${MSG}
 rm ${CAP}
 
+. ./stop.sh

test/start.sh

@@ -4,6 +4,54 @@ if [ x"${srcdir}" = x ]; then
 fi
 . ${srcdir}/test.rc
 
+# Print heading for test phases
+print()
+{
+    printf "\e[7m>> %-76s\e[0m\n" "$1"
+}
+
+dprint()
+{
+    printf "\e[2m%-76s\e[0m\n" "$1"
+}
+
+SKIP()
+{
+    print "TEST: SKIP"
+    [ $# -gt 0 ] && echo "$*"
+    exit 77
+}
+
+FAIL()
+{
+    print "TEST: FAIL"
+    [ $# -gt 0 ] && echo "$*"
+    exit 99
+}
+
+OK()
+{
+    print "TEST: OK"
+    [ $# -gt 0 ] && echo "$*"
+    exit 0
+}
+
+# shellcheck disable=SC2068
+tenacious()
+{
+    timeout=$1
+    shift
+
+    while [ $timeout -gt 0 ]; do
+	$@ && return
+	timeout=$((timeout - 1))
+    done
+
+    FAIL "Timeed out $*"
+}
+
+ip link set lo up
+
 mkdir -p ${CONFD}
 cat <<EOF > ${CONF}
 # Nothing here yo

test/test.rc

@@ -1,21 +1,25 @@
-NM=syslog-test
-NM2=syslog-test2
-LOG=/tmp/${NM}.log
-LOG2=/tmp/${NM2}.log
-LOGV1=/tmp/${NM}-v1.log
-LOGCONS=/tmp/${NM}-cons.log
-PID=/tmp/${NM}.pid
-PID2=/tmp/${NM2}.pid
-CAP=/tmp/${NM}.pcapng
-CACHE=/tmp/${NM}.cache
-CACHE2=/tmp/${NM2}.cache
-CONF=/tmp/${NM}.conf
-CONF2=/tmp/${NM2}.conf
-CONFD=/tmp/${NM}.d
-CONFD2=/tmp/${NM2}.d
-SOCK=/tmp/${NM}.sock
-SOCK2=/tmp/${NM2}.sock
-ALTSOCK=/tmp/${NM}-alt.sock
+# Test name, used everywhere as /tmp/sysklogd/$NM/foo
+NM=$(basename "$0" .sh)
+DIR=/tmp/sysklogd/$NM
+
+FN=syslog-test
+FN2=syslog-test2
+LOG=$DIR/${FN}.log
+LOG2=$DIR/${FN2}.log
+LOGV1=$DIR/${FN}-v1.log
+LOGCONS=$DIR/${FN}-cons.log
+PID=$DIR/${FN}.pid
+PID2=$DIR/${FN2}.pid
+CAP=$DIR/${FN}.pcapng
+CACHE=$DIR/${FN}.cache
+CACHE2=$DIR/${FN2}.cache
+CONF=$DIR/${FN}.conf
+CONF2=$DIR/${FN2}.conf
+CONFD=$DIR/${FN}.d
+CONFD2=$DIR/${FN2}.d
+SOCK=$DIR/${FN}.sock
+SOCK2=$DIR/${FN2}.sock
+ALTSOCK=$DIR/${FN}-alt.sock
 PORT=5514
 PORT2=5555