From: Peter Rabbitson Date: Fri, 26 Sep 2014 10:28:25 +0000 (+0200) Subject: (travis) Augment bc418819 - in addition check vm kernel memory health X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=fcdd56ca536a7751e2cf5a2c9ba62424c7f18122;p=dbsrgits%2FDBIx-Class-Historic.git (travis) Augment bc418819 - in addition check vm kernel memory health Sometimes a vm comes up with most of the memory locked up in... god knows what This seems to be a stable compromise which brings *all* jobs to completion --- diff --git a/maint/travis-ci_scripts/10_before_install.bash b/maint/travis-ci_scripts/10_before_install.bash index b6b04b1..ddc2589 100755 --- a/maint/travis-ci_scripts/10_before_install.bash +++ b/maint/travis-ci_scripts/10_before_install.bash @@ -1,6 +1,32 @@ #!/bin/bash -source maint/travis-ci_scripts/common.bash +# Stop pre-started RDBMS and sync for some settle time +run_or_err "Stopping MySQL" "sudo /etc/init.d/mysql stop" +run_or_err "Stopping PostgreSQL" "sudo /etc/init.d/postgresql stop" +/bin/sync + +# Sanity check VM before continuing +echo " +============================================================================= + += Startup Meminfo +$(free -m -t) + +=============================================================================" + +CI_VM_MIN_FREE_MB=2000 +if [[ "$(free -m | grep 'buffers/cache:' | perl -p -e '$_ = (split /\s+/, $_)[3]')" -lt "$CI_VM_MIN_FREE_MB" ]]; then + SHORT_CIRCUIT_SMOKE=1 + echo_err " +============================================================================= + +CI virtual machine stuck in a state with a lot of memory locked for no reason. +Under Travis this state usually results in a failed build. +Short-circuiting buildjob to avoid false negatives, please restart it manually. + +=============================================================================" +fi + if [[ -n "$SHORT_CIRCUIT_SMOKE" ]] ; then return ; fi # Different boxes we run on may have different amount of hw threads @@ -11,6 +37,10 @@ if [[ -n "$SHORT_CIRCUIT_SMOKE" ]] ; then return ; fi # The oneliner is a tad convoluted - basicaly what we do is # slurp the entire file and get the index off the last # `processor : XX` line +# +# We also divide the result by two, otherwise the travis VM +# gets overloaded (the amount of available swap is just TOOOO +# damn small) export NUMTHREADS="$(( ( $(perl -0777 -n -e 'print (/ (?: .+ ^ processor \s+ : \s+ (\d+) ) (?! ^ processor ) /smx)' < /proc/cpuinfo) + 1 ) / 2 ))" export CACHE_DIR="/tmp/poormanscache" @@ -44,13 +74,13 @@ if [[ "$CLEANTEST" != "true" ]]; then export DBICTEST_MEMCACHED=127.0.0.1:11211 ### config mysql - run_or_err "Restarting MySQL" "sudo /etc/init.d/mysql restart" + run_or_err "Starting MySQL" "sudo /etc/init.d/mysql start" run_or_err "Creating MySQL TestDB" "mysql -e 'create database dbic_test;'" export DBICTEST_MYSQL_DSN='dbi:mysql:database=dbic_test;host=127.0.0.1' export DBICTEST_MYSQL_USER=root ### config pg - run_or_err "Restarting PostgreSQL" "sudo /etc/init.d/postgresql restart" + run_or_err "Starting PostgreSQL" "sudo /etc/init.d/postgresql start" run_or_err "Creating PostgreSQL TestDB" "psql -c 'create database dbic_test;' -U postgres" export DBICTEST_PG_DSN='dbi:Pg:database=dbic_test;host=127.0.0.1' export DBICTEST_PG_USER=postgres