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path: root/tcwg-buildfarm.sh
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#!/bin/bash

set -ex

mkdir -p artifacts/

. ./jenkins-scripts/jenkins-helpers.sh
convert_args_to_variables "$@"

# Make shellcheck happy and workaround Jenkins not defining variables
# for empty arguments.
label="${label-tcwg-x86_64-build}"
target="${target-aarch64-linux-gnu}"
NODE_NAME="${NODE_NAME-$(hostname)}"
TCWG_SES_USER="${TCWG_SES_USER-}"
TCWG_SES_PASSWORD="${TCWG_SES_PASSWORD-}"
WORKSPACE="${WORKSPACE-$(pwd)}"
override="${override-}"
host_x86_64_languages="${host_x86_64_languages-default}"
host_aarchXX_languages="${host_aarchXX_languages-c,c++}"
runtests="${runtests-aarch64-linux-gnu}"
send_results_to="${send_results_to-}"
try_bootstrap="${try_bootstrap-true}"
host_x86_64_excludecheck="${host_x86_64_excludecheck-gdb}"
host_aarchXX_excludecheck="${host_aarchXX_excludecheck-gcc}"
extraconfig="${extraconfig-}"
rebuild="${rebuild-true}"
log_name="${log_name-$target}"
dont_fail="${dont_fail-false}"
log_server="${log_server-dev-01.tcwglab:$HOME/logs}"
abe_branch="${abe_branch-refs/heads/tested}"
build_container_tag="${build_container_tag-bionic}"
test_container_tag="${test_container_tag-bionic}"
binaries="${binaries-false}"
dryrun="${dryrun-false}"

# Jenkins doesn't define variables when parameter value is empty,
# so enable "set -u" only after above binding of variables.
set -u

# Compute host (builder type) because it is/can be used when computing
# log_name. It would be better to define host before defining log_name
# in convert_args_to_variables, but label is also defined by
# convert_args_to_variables, so we have to patch host in log_name via
# a sed trick later.
# shellcheck disable=SC2034
host=$(print_type_for_label $label)

if [ x"$target" = x"$label" ]; then
    target_opt=(--target native)
elif [ x"$target" = x"aarch64-linux-gnu_ilp32" ]; then
    target_opt=(--target "$target" --override "--extraconfigdir ../config/ilp32-dev")
else
    target_opt=(--target "$target")
fi

runtests_opt=""
qemu_cpu=""
if echo $runtests | grep -q $target; then
    runtests_opt="--runtests"

    tester_label=$(print_tester_label_for_target $target)
    if [ x"$tester_label" != x"" ]; then
	session_name=$(print_docker_name "$$-$BUILD_NUMBER-$JOB_NAME")

        if [ x"$target" != x"aarch64-linux-gnu_ilp32" ]; then
            bash -x ./jenkins-scripts/start-container-docker.sh --label $tester_label --distro ${test_container_tag} --session-name "$session_name" --task test --prefix test_ > test-container.sh
        else
            # Set weight to "2" to give VM decent amount of RAM.
            bash -x ./jenkins-scripts/start-container-qemu.sh --weight 2 --label $tester_label --distro ${test_container_tag} --session-name "$session_name" --task test --prefix test_ --kernel_url https://dev-01.tcwglab/~tcwg-buildslave/images/ilp32/norov-Image --initrd_url https://cloud-images.ubuntu.com/releases/16.04/release/unpacked/ubuntu-16.04-server-cloudimg-arm64-initrd-generic > test-container.sh
        fi
        . ./test-container.sh
        # Vars come from test-container.sh
        # shellcheck disable=SC2154
        runtests_opt="$runtests_opt --testcontainer ${test_container_host}:${test_container_port}"
    fi
    # Define qemu_cpu even if testing will not use it (it's
    # ignored in such cases)
    # Choose values matching what we have in testing boards
    case ${target} in
	armv8*) qemu_cpu=cortex-a57 ;;
	arm*) qemu_cpu=cortex-a15 ;;
	aarch64*) qemu_cpu=cortex-a57 ;;
    esac
    [ "x${qemu_cpu}" != "x" ] && qemu_cpu="--qemu-cpu ${qemu_cpu}"
fi

if [ "x${send_results_to}" != x ]; then
    send_results_to="--send-results-to ${send_results_to}"
fi

echo "Build session is up; ulimit config:"
ulimit -a

case $label in
    tcwg-x86_*-build) languages="$host_x86_64_languages" ;;
    *) languages="$host_aarchXX_languages" ;;
esac

if $try_bootstrap; then
    bootstrap="--bootstrap"
else
    bootstrap=""
fi

if [ x"$log_name" != x"" ]; then
    # As explained above, host is defined too late and cannot be
    # expanded when we define log_name, so use a sed trick.
    log_name=$(echo $log_name | sed 's/@@host@@/$host/g')
    declare logname_opt
    eval "logname_opt=\"--logname $log_name\""
fi

if $rebuild; then
    norebuild=""
else
    norebuild="--norebuild"
fi

# --tarbin needs to be passed to jenkins.sh as a user option
if $binaries; then
    options="-o --tarbin"
else
    options=""
fi

case $label in
    tcwg-x86_*-build) excludecheck="$host_x86_64_excludecheck" ;;
    *) excludecheck="$host_aarchXX_excludecheck" ;;
esac

excludecheck_opt=""
for testsuite in $excludecheck; do
    excludecheck_opt="$excludecheck_opt --excludecheck $testsuite"
done

# If there were extraconfig options, extract the
# corresponding repo
if test -n "$extraconfig" ; then
    git clone http://git.linaro.org/toolchain/abe-extraconfigs.git
fi

extraconfig_opt=""
for config in $extraconfig; do
    case ${extraconfig} in
        *=*)
            tool=${config%=*}
            value=${config#*=}
            ;;
        *)
            echo ERROR: wrong extraconfig: $config
            exit 1
            ;;
    esac
    extraconfig_opt="${extraconfig_opt} --extraconfig $tool=$PWD/abe-extraconfigs/$value"
done

result="0"

# Configure postfix
sudo sed -e s/@@MYHOSTNAME@@/${NODE_NAME}/g -e s/@@MAILHOST@@/email-smtp.us-east-1.amazonaws.com/ -e s/@@MAILPORT@@/587/ -i /etc/postfix/main.cf
sudo sed -e s/@@MAILHOST@@/email-smtp.us-east-1.amazonaws.com/ -e s/@@MAILPORT@@/587/ -e s/@@MAILUSER@@/${TCWG_SES_USER}/ -e s/@@MAILPASSWORD@@/${TCWG_SES_PASSWORD}/ -i /etc/postfix/sasl_password
echo linaro.org | sudo tee /etc/mailname
sudo postmap hash:/etc/postfix/sasl_password
sudo /etc/init.d/postfix start

cd ${WORKSPACE} && bash -x ${WORKSPACE}/jenkins-scripts/jenkins.sh --workspace ${WORKSPACE} --abedir ${WORKSPACE} --override "$override ${qemu_cpu}" "${target_opt[@]}" --languages ${languages} $bootstrap $runtests_opt $excludecheck_opt ${extraconfig_opt} ${send_results_to} --logserver $log_server $logname_opt $norebuild $options || result=$?

if $dryrun; then
    # Keep Jenkins happy
    touch artifacts/dryrun.txt
    exit 0
fi

# If we actually built a toolchain, save its manifest.
# If the build was a no-op (results already present on log_server),
# copy the existing ones.
if [ -d _build/builds ]; then
    manifest="`grep "^manifest=" ${WORKSPACE}/build-artifacts.txt | cut -d = -f 2-`"
else
    manifest=""
fi
if [ x"${manifest}" != x ]; then
    cp ${manifest} artifacts/
else
    # We need to do the same name expansion as jenkins.sh
    declare dir
    eval dir="$log_name"
    scp "$log_server/$dir/*manifest.txt" artifacts/
fi

# Provide requested binaries as artifacts
if $binaries; then
    cp "$(grep "^toolchain=" ${WORKSPACE}/build-artifacts.txt | cut -d = -f 2-)" artifacts/
    cp "$(grep "^toolchain_asc=" ${WORKSPACE}/build-artifacts.txt | cut -d = -f 2-)" artifacts/
    cp "$(grep "^runtime=" ${WORKSPACE}/build-artifacts.txt | cut -d = -f 2-)" artifacts/
    cp "$(grep "^runtime_asc=" ${WORKSPACE}/build-artifacts.txt | cut -d = -f 2-)" artifacts/
    cp "$(grep "^sysroot=" ${WORKSPACE}/build-artifacts.txt | cut -d = -f 2-)" artifacts/
    cp "$(grep "^sysroot_asc=" ${WORKSPACE}/build-artifacts.txt | cut -d = -f 2-)" artifacts/
fi

# Save logs and their directory structure
rsync -a --exclude="/logs/" --include="*/" --include="*.log" --include="*.err" --include="*.out" --include="*.txt" --exclude="*" --prune-empty-dirs ./ ./logs/
if ! tar -I pxz -cf ./artifacts/logs.tar.xz ./logs/ >/dev/null 2>&1; then
    # PXZ can [rarely] fail due to high RAM usage, so fallback to normal XZ.
    rm -f ./artifacts/logs.tar.xz
    tar -cJf ./artifacts/logs.tar.xz ./logs/
fi

echo "Result of jenkins.sh: $result"
if $dont_fail; then
    result="0"
fi
exit $result