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/.zuul.yaml b/.zuul.yaml
index 74ce39c..aec7113 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -357,6 +357,7 @@
'{{ devstack_conf_dir }}/.localrc.auto': logs
'{{ devstack_conf_dir }}/.stackenv': logs
'{{ devstack_log_dir }}/dstat-csv.log': logs
+ '{{ devstack_log_dir }}/atop': logs
'{{ devstack_log_dir }}/devstacklog.txt': logs
'{{ devstack_log_dir }}/devstacklog.txt.summary': logs
'{{ devstack_log_dir }}/tcpdump.pcap': logs
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
diff --git a/stack.sh b/stack.sh
index bfa0573..c2a4b5d 100755
--- a/stack.sh
+++ b/stack.sh
@@ -641,6 +641,7 @@
source $TOP_DIR/lib/neutron
source $TOP_DIR/lib/ldap
source $TOP_DIR/lib/dstat
+source $TOP_DIR/lib/atop
source $TOP_DIR/lib/tcpdump
source $TOP_DIR/lib/etcd3
source $TOP_DIR/lib/os-vif
@@ -1093,6 +1094,12 @@
# A better kind of sysstat, with the top process per time slice
start_dstat
+if is_service_enabled atop; then
+ configure_atop
+ install_atop
+ start_atop
+fi
+
# Run a background tcpdump for debugging
# Note: must set TCPDUMP_ARGS with the enabled service
if is_service_enabled tcpdump; then
diff --git a/unstack.sh b/unstack.sh
index 1b2d8dd..29c8071 100755
--- a/unstack.sh
+++ b/unstack.sh
@@ -73,6 +73,7 @@
source $TOP_DIR/lib/neutron
source $TOP_DIR/lib/ldap
source $TOP_DIR/lib/dstat
+source $TOP_DIR/lib/atop
source $TOP_DIR/lib/etcd3
# Extras Source
@@ -174,6 +175,10 @@
stop_dstat
+if is_service_enabled atop; then
+ stop_atop
+fi
+
# NOTE: Cinder automatically installs the lvm2 package, independently of the
# enabled backends. So if Cinder is enabled, and installed successfully we are
# sure lvm2 (lvremove, /etc/lvm/lvm.conf, etc.) is here.