tests/regression/tools/trigger/start-stop/test_start_stop

   1 #!/bin/bash
   2 #
   3 # Copyright (C) 2020 Francis Deslauriers <francis.deslauriers@efficios.com>
   4 #
   5 # SPDX-License-Identifier: LGPL-2.1-only
   6
   7 TEST_DESC="Triggers - Start and stop actions"
   8
   9 CURDIR=$(dirname "$0")/
  10 TESTDIR=${CURDIR}/../../../..
  11
  12 # shellcheck source=../../../../utils/utils.sh
  13 source "$TESTDIR/utils/utils.sh"
  14
  15 TESTAPP_PATH="$TESTDIR/utils/testapp"
  16 GEN_UST_EVENTS_TESTAPP_NAME="gen-ust-events"
  17 GEN_UST_EVENTS_TESTAPP_BIN="$TESTAPP_PATH/$GEN_UST_EVENTS_TESTAPP_NAME/$GEN_UST_EVENTS_TESTAPP_NAME"
  18 FULL_LTTNG_BIN="$TESTDIR/../src/bin/lttng/$LTTNG_BIN"
  19 NOTIFICATION_CLIENT_BIN="$CURDIR/../utils/notification-client"
  20 NUM_TESTS=18
  21
  22 NR_ITER=5
  23 NR_USEC_WAIT=5
  24
  25 function lttng_session_is_active()
  26 {
  27         local SESSION_NAME="$1"
  28         "$FULL_LTTNG_BIN" list "$SESSION_NAME" | grep "Tracing session" | grep -q "\[active\]"
  29
  30         ok $ret "Session \"$SESSION_NAME\" is active"
  31 }
  32
  33 function lttng_session_is_inactive()
  34 {
  35         local SESSION_NAME="$1"
  36         "$FULL_LTTNG_BIN" list "$SESSION_NAME" | grep "Tracing session" | grep -q "\[inactive\]"
  37
  38         ok $ret "Session \"$SESSION_NAME\" is inactive"
  39 }
  40
  41 function test_start_session_action()
  42 {
  43         local SESSION_NAME="my_triggered_session"
  44         local TRIGGER_NAME="trigger1"
  45         local TRACE_PATH=$(mktemp -d test-start-action-trace.XXXXXX)
  46         local SYNC_AFTER_NOTIF_REGISTER_PATH=$(mktemp -u test-notif-register.XXXXXX)
  47
  48         diag "Start session action"
  49
  50         create_lttng_session_ok $SESSION_NAME "$TRACE_PATH"
  51
  52         enable_ust_lttng_event_ok $SESSION_NAME "tp:tptest"
  53
  54         lttng_session_is_inactive $SESSION_NAME
  55
  56         # Add `start-session` action to an event-rule condition _followed_ by
  57         # a `notify` action.
  58         lttng_add_trigger_ok \
  59                 $TRIGGER_NAME \
  60                 --condition event-rule-matches -u --name=tp:tptest \
  61                 --action start-session $SESSION_NAME \
  62                 --action notify
  63
  64         # Launch notification listener.
  65         $NOTIFICATION_CLIENT_BIN \
  66                 --trigger $TRIGGER_NAME \
  67                 --sync-after-notif-register "$SYNC_AFTER_NOTIF_REGISTER_PATH" &
  68         notif_client_pid=$!
  69
  70         while [ ! -f "${SYNC_AFTER_NOTIF_REGISTER_PATH}" ]; do
  71                 sleep 0.5
  72         done
  73
  74         # Artificially produce the desired event-rule condition.
  75         $GEN_UST_EVENTS_TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT > /dev/null 2>&1
  76
  77         # notification-client will exit once it receives a notification.
  78         wait $notif_client_pid
  79         test "$?" -eq "0"
  80         ok $? "notification client exited successfully"
  81
  82         # Test that the session has started.
  83         lttng_session_is_active $SESSION_NAME
  84
  85         # Tearing down.
  86         lttng_remove_trigger_ok $TRIGGER_NAME
  87         stop_lttng_tracing_ok $SESSION_NAME
  88         destroy_lttng_session_ok $SESSION_NAME
  89
  90         rm -f "$SYNC_AFTER_NOTIF_REGISTER_PATH"
  91         rm -rf "$TRACE_PATH"
  92 }
  93
  94 function test_stop_session_action()
  95 {
  96         local SESSION_NAME="my_triggered_session"
  97         local TRIGGER_NAME="trigger1"
  98         local TRACE_PATH=$(mktemp -d test-stop-action-trace.XXXXXX)
  99         local SYNC_AFTER_NOTIF_REGISTER_PATH=$(mktemp -u test-notif-register.XXXXXX)
 100
 101         diag "Stop session action"
 102         create_lttng_session_ok $SESSION_NAME "$TRACE_PATH"
 103
 104         enable_ust_lttng_event_ok $SESSION_NAME "tp:tptest"
 105
 106         start_lttng_tracing_ok $SESSION_NAME
 107
 108         lttng_session_is_active $SESSION_NAME
 109
 110         # Add `stop-session` action to an event-rule condition _followed_ by
 111         # a `notify` action.
 112         lttng_add_trigger_ok \
 113                 $TRIGGER_NAME \
 114                 --condition event-rule-matches -u --name=tp:tptest \
 115                 --action stop-session $SESSION_NAME \
 116                 --action notify
 117
 118         # Launch notification listener.
 119         $NOTIFICATION_CLIENT_BIN \
 120                 --trigger $TRIGGER_NAME \
 121                 --sync-after-notif-register "$SYNC_AFTER_NOTIF_REGISTER_PATH" &
 122         notif_client_pid=$!
 123
 124         while [ ! -f "${SYNC_AFTER_NOTIF_REGISTER_PATH}" ]; do
 125                 sleep 0.5
 126         done
 127
 128         # Artificially produce the desired event-rule condition.
 129         $GEN_UST_EVENTS_TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT > /dev/null 2>&1
 130
 131         # notification-client will exit once it receives a notification.
 132         wait $notif_client_pid
 133         test "$?" -eq "0"
 134         ok $? "notification client exited successfully"
 135
 136         # Test that the session has been stopped.
 137         lttng_session_is_inactive $SESSION_NAME
 138
 139         # Tearing down.
 140         lttng_remove_trigger_ok $TRIGGER_NAME
 141         destroy_lttng_session_ok $SESSION_NAME
 142
 143         rm -f "$SYNC_AFTER_NOTIF_REGISTER_PATH"
 144         rm -rf "$TRACE_PATH"
 145 }
 146
 147  # MUST set TESTDIR before calling those functions
 148 plan_tests $NUM_TESTS
 149
 150 print_test_banner "$TEST_DESC"
 151
 152 start_lttng_sessiond_notap
 153
 154 test_start_session_action
 155 test_stop_session_action
 156
 157 stop_lttng_sessiond_notap