# Test name
TEST_NAME="DynamicReconfiguration"
-# Name of the Kea executable.
-BIN="../b10-dhcp6"
# Path to the temporary configuration file.
CFG_FILE="test_config.json"
# Path to the Kea log file.
}
}"
-_GETPIDS1=
-_GETPIDS2=
-getpids() {
- _GETPIDS1=`ps -o pid,command | grep b10-dhcp | grep -v grep | awk '{print $1}'`
- _GETPIDS2=`printf "%s" "${_GETPIDS1}" | wc -w | awk '{print $1}'`
-}
-
-cleanup() {
- getpids
- for pid in ${_GETPIDS1}
- do
- printf "Shutting down Kea proccess having pid %d.\n" ${pid}
- kill -9 ${pid}
- done
- rm -rf ${LOG_FILE}
- rm -rf ${CONFIG_FILE}
-}
-
-cleanexit() {
- if [ $1 -eq 0 ]; then
- cleanup
- printf "PASSED ${TEST_NAME}\n\n"
- else
- printf "Log file dump:\n"
- cat ${LOG_FILE}
- cleanup
- printf "FAILED ${TEST_NAME}\n\n"
- fi
- exit $1
-}
-
-_GETRECONFIGS=
-_GETRECONFIGERRORS=
-getreconfigs() {
- # Grep log file for DHCP6_CONFIG_COMPLETE occurences. There should
- # be one occurence per (re)configuration.
- _GETRECONFIGS=`grep -o DHCP6_CONFIG_COMPLETE ${LOG_FILE} | wc -w`
- # Grep log file for DHCP6_CONFIG_LOAD_FAIL to check for configuration
- # failures.
- _GETRECONFIGERRORS=`grep -o DHCP6_CONFIG_LOAD_FAIL ${LOG_FILE} | wc -w`
- # Remove whitespaces
- ${_GETRECONFIGS##*[! ]}
- ${_GETRECONFIGERRORS##*[! ]}
-}
-
-printf "\nSTART TEST ${TEST_NAME}\n"
-
-printf "Creating Kea configuration file: %s.\n" ${CFG_FILE}
-printf "%b" ${CONFIG} > ${CFG_FILE}
-
-printf "Kea log will be stored in %s.\n" ${LOG_FILE}
-export B10_LOGGER_DESTINATION=${LOG_FILE}
-
-# Kill any dangling Kea processes.
-cleanup
-
-# Start fresh Kea process using a test configuration.
-printf "Running command %s.\n" "\"$BIN -c ${CFG_FILE}\""
-$BIN -c ${CFG_FILE} &
+# Import common test library.
+. dhcp6_test_func.sh
-# Wait a second. It may take a bit before it starts.
-sleep 1
+# Log the start of the test and print test name.
+test_start
+# Remove dangling Kea instances and remove log files.
+cleanup
+# Create new configuration file.
+create_config "${CONFIG}"
+# Instruct Kea to log to the specific file.
+set_logger
+# Start Kea.
+start_kea
+# Wait up to 20s for Kea to start.
+wait_for_kea 20
+if [ ${_WAIT_FOR_KEA} -eq 0 ]; then
+ printf "ERROR: timeout waiting for Kea to start.\n"
+ clean_exit 1
+fi
-# Make sure that exactly one process has been started.
-getpids
-if [ ${_GETPIDS2} -ne 1 ]; then
- printf "ERROR: expected one Kea process to be started. Found %d processes started.\n" ${_GETPIDS2}
- cleanexit 1
+# Check if it is still running. It could have terminated (e.g. as a result
+# of configuration failure).
+get_pids
+if [ ${_GET_PIDS_NUM} -ne 1 ]; then
+ printf "ERROR: expected one Kea process to be started. Found %d processes started.\n" ${_GET_PIDS_NUM}
+ clean_exit 1
fi
# Check in the log file, how many times server has been configured. It should
# be just once on startup.
-getreconfigs
-if [ ${_GETRECONFIGS} -ne 1 ]; then
+get_reconfigs
+if [ ${_GET_RECONFIGS} -ne 1 ]; then
printf "ERROR: server hasn't been configured.\n"
- cleanexit 1
+ clean_exit 1
else
printf "Server successfully configured.\n"
fi
-printf "Creating configuration file with invalid configuration: %s.\n" ${CFG_FILE}
-printf "%b" ${CONFIG_INVALID} > ${CFG_FILE}
+# Now use invalid configuration.
+create_config "${CONFIG_INVALID}"
-# Reconfigure the server with SIGHUP.
-printf "Sending SIGHUP to Kea process (pid=%s) to reconfigure the server.\n" ${_GETPIDS1}
-kill -1 ${_GETPIDS1}
+# Try to reconfigure by sending SIGHUP
+send_signal 1
-# Be patient. Kea may need a while to reconfigure or shut down
-# if reconfiguration didn't work.
-sleep 1
+# The configuration should fail and the error message should be there.
+wait_for_message 10 "DHCP6_CONFIG_LOAD_FAIL" 1
# After receiving SIGHUP the server should try to reconfigure itself.
# The configuration provided is invalid so it should result in
# reconfiguration failure but the server should still be running.
-getreconfigs
-if [ ${_GETRECONFIGS} -ne 1 ]; then
+get_reconfigs
+if [ ${_GET_RECONFIGS} -ne 1 ]; then
printf "ERROR: server has been reconfigured despite bogus configuration.\n"
- cleanexit 1
-elif [ ${_GETRECONFIGERRORS} -ne 1 ]; then
+ clean_exit 1
+elif [ ${_GET_RECONFIG_ERRORS} -ne 1 ]; then
printf "ERROR: server did not report reconfiguration error despite attempt" \
" to configure it with invalid configuration.\n"
- cleanexit 1
+ clean_exit 1
fi
-# Be patient. Kea may terminate and we need to give it a time to do so.
-sleep 1
-
# Make sure the server is still operational.
-getpids
-if [ ${_GETPIDS2} -ne 1 ]; then
+get_pids
+if [ ${_GET_PIDS_NUM} -ne 1 ]; then
printf "ERROR: Kea process was killed when attempting reconfiguration.\n"
- cleanexit 1
+ clean_exit 1
fi
# Restore the good configuration.
-printf "%b" ${CONFIG} > ${CFG_FILE}
+create_config "${CONFIG}"
# Reconfigure the server with SIGHUP.
-printf "Sending SIGHUP to Kea process (pid=%s) to reconfigure the server.\n" ${_GETPIDS1}
-kill -1 ${_GETPIDS1}
+send_signal 1
+
+# There should be two occurrences of the DHCP6_CONFIG_COMPLETE messages.
+# Wait for it up to 10s.
+wait_for_message 10 "DHCP6_CONFIG_COMPLETE" 2
# After receiving SIGHUP the server should get reconfigured and the
# reconfiguration should be noted in the log file. We should now
# have two configurations logged in the log file.
-getreconfigs
-if [ ${_GETRECONFIGS} -ne 2 ]; then
+if [ ${_WAIT_FOR_MESSAGE} -eq 0 ]; then
printf "ERROR: server hasn't been reconfigured.\n"
- cleanexit 1
+ clean_exit 1
else
printf "Server successfully reconfigured.\n"
fi
# Make sure the server is still operational.
-getpids
-if [ ${_GETPIDS2} -ne 1 ]; then
+get_pids
+if [ ${_GET_PIDS_NUM} -ne 1 ]; then
printf "ERROR: Kea process was killed when attempting reconfiguration.\n"
- cleanexit 1
+ clean_exit 1
fi
# All ok. Shut down Kea and exit.
-cleanexit 0
+clean_exit 0
# been taken. Typically, the test expects that the message
# is logged when the SIGHUP or SIGTERM signal has been sent to the
# Kea process.
-# This function waits a specified number of seconds for the message
-# to occur. If the expected message doesn't occur, the error status
-# is returned.
+# This function waits a specified number of seconds for the number
+# of message occurrences to show up. If the expected number of
+# message doesn't occur, the error status is returned.
_WAIT_FOR_MESSAGE=0 # Holds 0 if the message hasn't occured, 1 otherwise.
wait_for_message() {
- timeout=${1} # Timeout value in seconds.
- message=${2} # Expected message id.
- loops=0 # Number of loops performed so far.
+ timeout=${1} # Timeout value in seconds.
+ message=${2} # Expected message id.
+ occurrences=${3} # Number of expected occurrences.
+ loops=0 # Number of loops performed so far.
_WAIT_FOR_MESSAGE=0
# Check if log file exists and if we reached timeout.
while [ ! -s {LOG_FILE} ] && [ ${loops} -le ${timeout} ]; do
# Check if the message has been logged.
get_log_messages ${message}
- if [ ${_GET_LOG_MESSAGES} -gt 0 ]; then
+ if [ ${_GET_LOG_MESSAGES} -eq ${occurrences} ]; then
printf "\n"
_WAIT_FOR_MESSAGE=1
return