#!/bin/bash

# Check servers up on http://www.polarhome.com/service/status/

P_ALL="vax freebsd solaris openbsd netbsd debian alpha aix redhat hpux ultrix minix qnx irix tru64 openindiana suse solaris-x86 mandriva ubuntu scosysv unixware dragonfly centos miros hurd raspbian macosx hpux-ia64 syllable pidora"
P_NOTWORKING="vax alpha openstep"
P_NOTWORKING_YET="ultrix irix"

P_WORKING="pidora raspbian tru64 solaris openindiana aix hpux qnx debian-ppc suse solaris-x86 mandriva ubuntu scosysv dragonfly unixware centos miros macosx hpux-ia64 redhat netbsd openbsd freebsd debian"
P_TEMPORARILY_BROKEN="minix syllable hurd dragonfly"

P="$P_WORKING"
POLAR=`parallel -k echo {}.polarhome.com ::: $P`
S_POLAR=`parallel -k echo -S 1/{}.polarhome.com ::: $P`

# 20150414 --timeout 80 -> 40
# 20151219 --retries 5 -> 2
TIMEOUT=10
RETRIES=4

echo '### Tests on polarhome machines'
echo 'Setup on polarhome machines'
# Avoid the stupid /etc/issue.net banner at Polarhome: -oLogLevel=quiet
#stdout parallel -kj0 ssh -oLogLevel=quiet {} mkdir -p bin ::: $POLAR &

test_empty_cmd() {
    echo
    echo '### Test if empty command in process list causes problems'
    echo
    perl -e '$0=" ";sleep 1' &
    bin/perl bin/parallel echo ::: OK_with_empty_cmd
}
export -f test_empty_cmd
stdout parallel -j0 -k --retries $RETRIES --timeout $TIMEOUT --delay 0.1 --tag \
  --nonall --env test_empty_cmd -S macosx.polarhome.com test_empty_cmd > /tmp/test_empty_cmd &

copy_and_test() {
    H=$1
    # scp to each polarhome machine does not work. Use cat
    # Avoid the stupid /etc/issue.net banner with -oLogLevel=quiet
    echo '### Run the test on '$H
    cat `which parallel` |
      stdout ssh -oLogLevel=quiet $H 'cat > bin/p.tmp && chmod 755 bin/p.tmp && mv bin/p.tmp bin/parallel && bin/perl bin/parallel echo Works on {} ::: '$H &&
      stdout ssh -oLogLevel=quiet $H 'bin/perl bin/parallel --tmpdir / echo ::: test read-only tmp' |
      perl -pe '$exit += s:/[a-z0-9_]+.arg:/XXXXXXXX.arg:gi; $exit += s/\d\d\d\d/0000/gi; END { exit not $exit }' &&
      echo OK
}
export -f copy_and_test
stdout parallel -j6 -k -r --retries $RETRIES --timeout $TIMEOUT --delay 0.1 --tag -v copy_and_test {} ::: $POLAR

echo
echo '### Test remote wrapper working on all platforms'
echo
parallel -j0 --nonall -k --timeout $TIMEOUT $S_POLAR hostname

echo
echo '### Does exporting a bash function kill parallel'
echo
# http://zmwangx.github.io/blog/2015-11-25-bash-function-exporting-fiasco.html
parallel --onall -j0 -k --tag --timeout $TIMEOUT $S_POLAR 'func() { cat <(echo bash only A); };export -f func; bin/parallel func ::: ' ::: 1 2>&1

echo
echo '### Does PARALLEL_SHELL help exporting a bash function not kill parallel'
echo
PARALLEL_SHELL=/bin/bash parallel --retries $RETRIES --onall -j0 -k --tag --timeout $TIMEOUT $S_POLAR 'func() { cat <(echo bash only B); };export -f func; bin/parallel func ::: ' ::: 1 2>&1

# Started earlier - therefore wait
wait; cat /tmp/test_empty_cmd
rm /tmp/test_empty_cmd