lorax/tests/cli/lib/lib.sh

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#!/usr/bin/env bash
. /usr/share/beakerlib/beakerlib.sh
# Monkey-patch beakerlib to exit on first failure if COMPOSER_TEST_FAIL_FAST is
# set. https://github.com/beakerlib/beakerlib/issues/42
COMPOSER_TEST_FAIL_FAST=${COMPOSER_TEST_FAIL_FAST:-0}
if [ "$COMPOSER_TEST_FAIL_FAST" == "1" ]; then
eval "original$(declare -f __INTERNAL_LogAndJournalFail)"
__INTERNAL_LogAndJournalFail () {
original__INTERNAL_LogAndJournalFail
# end test somewhat cleanly so that beakerlib logs the FAIL correctly
rlPhaseEnd
rlJournalEnd
exit 1
}
fi
export QEMU_BIN="/usr/bin/qemu-system-$(uname -m)"
export QEMU="$QEMU_BIN -machine accel=kvm:tcg"
export SSH_PORT=2222
boot_image() {
QEMU_BOOT=$1
TIMEOUT=$2
rlRun -t -c "$QEMU -m 2048 $QEMU_BOOT -nographic -monitor none \
-net user,id=nic0,hostfwd=tcp::$SSH_PORT-:22 -net nic \
-chardev null,id=log0,mux=on,logfile=/var/log$TEST/qemu.log,logappend=on \
-serial chardev:log0 &"
# wait for ssh to become ready (yes, http is the wrong protocol, but it returns the header)
tries=0
until curl -sS -m 15 "http://localhost:$SSH_PORT/" | grep 'OpenSSH'; do
tries=$((tries + 1))
if [ $tries -gt $TIMEOUT ]; then
exit 1
fi
sleep 1
echo "DEBUG: Waiting for ssh become ready before testing ..."
done;
}
wait_for_composer() {
tries=0
until curl -m 15 --unix-socket /run/weldr/api.socket http://localhost:4000/api/status | grep 'db_supported.*true'; do
tries=$((tries + 1))
if [ $tries -gt 50 ]; then
exit 1
fi
sleep 5
echo "DEBUG: Waiting for backend API to become ready before testing ..."
done;
}
composer_start() {
local rc
local params="$@"
if [[ -z "$CLI" || "$CLI" == "./src/bin/composer-cli" ]]; then
./src/sbin/lorax-composer $params --sharedir $SHARE_DIR $BLUEPRINTS_DIR &
elif [ -n "$params" ]; then
/usr/sbin/lorax-composer $params /var/lib/lorax/composer/blueprints &
else
# socket stop/start seems to be necessary for a proper service restart
# after a previous direct manual run for it to work properly
systemctl start lorax-composer.socket
systemctl start lorax-composer
fi
rc=$?
# wait for the backend to become ready
if [ "$rc" -eq 0 ]; then
wait_for_composer
else
rlLogFail "Unable to start lorax-composer (exit code $rc)"
fi
return $rc
}
composer_stop() {
MANUAL=${MANUAL:-0}
# socket stop/start seems to be necessary for a proper service restart
# after a previous direct manual run for it to work properly
if systemctl list-units | grep -q lorax-composer.socket; then
systemctl stop lorax-composer.socket
fi
if [[ -z "$CLI" || "$CLI" == "./src/bin/composer-cli" || "$MANUAL" == "1" ]]; then
pkill -9 lorax-composer
rm -f /run/weldr/api.socket
else
systemctl stop lorax-composer
fi
}
# a generic helper function unifying the specific checks executed on a running
# image instance
verify_image() {
SSH_USER="$1"
SSH_MACHINE="$2"
SSH_OPTS="-o StrictHostKeyChecking=no $3"
rlLogInfo "verify_image: SSH_OPTS:'$SSH_OPTS' SSH_USER:'$SSH_USER' SSH_MACHINE: '$SSH_MACHINE'"
check_root_account "$@"
if [ "$CHECK_CMDLINE" != 0 ]; then
check_kernel_cmdline "$@"
fi
}
check_root_account() {
# Try to SSH to a remote machine first using root account using password-based
# auth (this is expected to fail) and then using key-based auth with the
# supplied username to check content of /etc/shadow and audit.log.
#
# use: check_root_account <user> <machine> [ssh options]
ROOT_ACCOUNT_LOCKED=${ROOT_ACCOUNT_LOCKED:-1}
if [[ "$SSH_USER" == "" || "$SSH_MACHINE" == "" ]]; then
rlFail "check_root_account: Missing user or machine parameter."
return 1
fi
if [ $ROOT_ACCOUNT_LOCKED == 0 ]; then
rlRun -t -c "ssh $SSH_OPTS ${SSH_USER}@${SSH_MACHINE} \"sudo grep '^root::' /etc/shadow\"" \
0 "Password for root account in /etc/shadow is empty"
else
# ssh returns 255 in case of any ssh error, so it's better to grep the specific error message
rlRun -t -c "ssh $SSH_OPTS -o PubkeyAuthentication=no root@${SSH_MACHINE} 2>&1 | grep -i 'permission denied ('" \
0 "Can't ssh to '$SSH_MACHINE' as root using password-based auth"
rlRun -t -c "ssh $SSH_OPTS ${SSH_USER}@${SSH_MACHINE} \"sudo passwd --status root | grep -E '^root\s+LK?'\"" \
0 "root account is disabled in /etc/shadow"
rlRun -t -c "ssh $SSH_OPTS ${SSH_USER}@${SSH_MACHINE} \"sudo grep 'USER_LOGIN.*acct=\\\"root\\\".*terminal=ssh.*res=failed' /var/log/audit/audit.log\"" \
0 "audit.log contains entry about unsuccessful root login"
# We modify the default sshd settings on live ISO, so we can only check the default empty password setting
# outside of live ISO
rlRun -t -c "ssh $SSH_OPTS ${SSH_USER}@${SSH_MACHINE} 'sudo grep -E \"^[[:blank:]]*PermitEmptyPasswords[[:blank:]]*yes\" /etc/ssh/sshd_config'" 1 \
"Login with empty passwords is disabled in sshd config file"
fi
rlRun -t -c "ssh $SSH_OPTS ${SSH_USER}@${SSH_MACHINE} 'cat /etc/redhat-release'"
}
# verify that a kernel command line argument was passed from the blueprint (this is added to the blueprint in ../test_cli.sh)
check_kernel_cmdline() {
rlRun -t -c "ssh $SSH_OPTS ${SSH_USER}@${SSH_MACHINE} 'grep custom_cmdline_arg /proc/cmdline'" 0 \
"System booted from the image contains specified parameter on kernel command line"
}
# Fail if the compose failed, only call after checking for FINISHED|FAILED
check_compose_status() {
UUID="$1"
if "$CLI" compose info "$UUID" | grep FAILED; then
rlFail "compose $UUID FAILED"
return 1
fi
}
# Wait until the compose is done (finished or failed)
wait_for_compose() {
local UUID=$1
if [ -n "$UUID" ]; then
until $CLI compose info $UUID | grep 'FINISHED\|FAILED'; do
sleep 20
rlLogInfo "Waiting for compose to finish ..."
done;
check_compose_status "$UUID"
rlRun -t -c "mkdir -p /var/log/$TEST"
rlRun -t -c "$CLI compose logs $UUID"
rlRun -t -c "mv $UUID-logs.tar /var/log/$TEST"
else
rlFail "Compose UUID is empty!"
fi
}