Allow to enable atop
It may be required to troubleshoot performance related bugs during
tests exection, to have ability to inspect environment processes
and theirs status during test run this patch installs atop
by default if not explicitly disabled.
Related-Bug: #2095224
Change-Id: Iedbd61f3ce3cd2255ea5f2a7a93ba2f39ad28ff2
diff --git a/lib/atop b/lib/atop
new file mode 100644
index 0000000..e0b14cb
--- /dev/null
+++ b/lib/atop
@@ -0,0 +1,48 @@
+#!/bin/bash
+#
+# lib/atop
+# Functions to start and stop atop
+
+# Dependencies:
+#
+# - ``functions`` file
+
+# ``stack.sh`` calls the entry points in this order:
+#
+# - configure_atop
+# - install_atop
+# - start_atop
+# - stop_atop
+
+# Save trace setting
+_XTRACE_ATOP=$(set +o | grep xtrace)
+set +o xtrace
+
+function configure_atop {
+ cat <<EOF | sudo tee /etc/default/atop >/dev/null
+# /etc/default/atop
+# see man atoprc for more possibilities to configure atop execution
+
+LOGOPTS="-R"
+LOGINTERVAL=${ATOP_LOGINTERVAL:-"30"}
+LOGGENERATIONS=${ATOP_LOGGENERATIONS:-"1"}
+LOGPATH=$LOGDIR/atop
+EOF
+}
+
+function install_atop {
+ install_package atop
+}
+
+# start_() - Start running processes
+function start_atop {
+ start_service atop
+}
+
+# stop_atop() stop atop process
+function stop_atop {
+ stop_service atop
+}
+
+# Restore xtrace
+$_XTRACE_ATOP