From: David Zafman <dzafman@redhat.com>
Date: Sat, 13 Jul 2019 02:35:04 +0000 (-0700)
Subject: test: Add basic test for network ping tracking
X-Git-Tag: v14.2.5~117^2~7
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=56ddfed202a7ddff2ed88cbd0da5c9c03a22c95c;p=ceph.git

test: Add basic test for network ping tracking

Signed-off-by: David Zafman <dzafman@redhat.com>
(cherry picked from commit 4fb42ea27e7b6acefd081b7b287d38347a6085ce)
---

diff --git a/qa/standalone/misc/network-ping.sh b/qa/standalone/misc/network-ping.sh
new file mode 100755
index 000000000000..5ddbd1241bd0
--- /dev/null
+++ b/qa/standalone/misc/network-ping.sh
@@ -0,0 +1,139 @@
+#!/usr/bin/env bash
+
+source $CEPH_ROOT/qa/standalone/ceph-helpers.sh
+
+function run() {
+    local dir=$1
+    shift
+
+    export CEPH_MON="127.0.0.1:7146" # git grep '\<7146\>' : there must be only one
+    export CEPH_ARGS
+    CEPH_ARGS+="--fsid=$(uuidgen) --auth-supported=none "
+    CEPH_ARGS+="--mon-host=$CEPH_MON "
+    CEPH_ARGS+="--debug_disable_randomized_ping=true "
+    CEPH_ARGS+="--debug_heartbeat_testing_span=5 "
+    CEPH_ARGS+="--osd_heartbeat_interval=1 "
+    local funcs=${@:-$(set | sed -n -e 's/^\(TEST_[0-9a-z_]*\) .*/\1/p')}
+    for func in $funcs ; do
+        setup $dir || return 1
+        $func $dir || return 1
+        teardown $dir || return 1
+    done
+}
+
+function TEST_network_ping_test1() {
+    local dir=$1
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    run_osd $dir 0 || return 1
+    run_osd $dir 1 || return 1
+    run_osd $dir 2 || return 1
+
+    sleep 5
+
+    create_pool foo 16
+
+    # write some objects
+    timeout 20 rados bench -p foo 10 write -b 4096 --no-cleanup || return 1
+
+    # Get 1 cycle worth of ping data "1 minute"
+    sleep 10
+    flush_pg_stats
+
+    CEPH_ARGS='' ceph daemon $(get_asok_path osd.0) dump_osd_network | tee $dir/json
+    test "$(cat $dir/json | jq '.entries | length')" = "0" || return 1
+    test "$(cat $dir/json | jq '.threshold')" = "1000000" || return 1
+
+    CEPH_ARGS='' ceph daemon $(get_asok_path mgr.x) dump_osd_network | tee $dir/json
+    test "$(cat $dir/json | jq '.entries | length')" = "0" || return 1
+    test "$(cat $dir/json | jq '.threshold')" = "1000000" || return 1
+
+    CEPH_ARGS='' ceph daemon $(get_asok_path osd.0) dump_osd_network 0 | tee $dir/json
+    test "$(cat $dir/json | jq '.entries | length')" = "4" || return 1
+    test "$(cat $dir/json | jq '.threshold')" = "0" || return 1
+
+    CEPH_ARGS='' ceph daemon $(get_asok_path mgr.x) dump_osd_network 0 | tee $dir/json
+    test "$(cat $dir/json | jq '.entries | length')" = "12" || return 1
+    test "$(cat $dir/json | jq '.threshold')" = "0" || return 1
+
+    # Wait another 4 cycles to get "5 minute interval"
+    sleep 20
+    flush_pg_stats
+    CEPH_ARGS='' ceph daemon $(get_asok_path osd.0) dump_osd_network | tee $dir/json
+    test "$(cat $dir/json | jq '.entries | length')" = "0" || return 1
+    test "$(cat $dir/json | jq '.threshold')" = "1000000" || return 1
+
+    CEPH_ARGS='' ceph daemon $(get_asok_path mgr.x) dump_osd_network | tee $dir/json
+    test "$(cat $dir/json | jq '.entries | length')" = "0" || return 1
+    test "$(cat $dir/json | jq '.threshold')" = "1000000" || return 1
+
+    CEPH_ARGS='' ceph daemon $(get_asok_path osd.0) dump_osd_network 0 | tee $dir/json
+    test "$(cat $dir/json | jq '.entries | length')" = "4" || return 1
+    test "$(cat $dir/json | jq '.threshold')" = "0" || return 1
+
+    CEPH_ARGS='' ceph daemon $(get_asok_path mgr.x) dump_osd_network 0 | tee $dir/json
+    test "$(cat $dir/json | jq '.entries | length')" = "12" || return 1
+    test "$(cat $dir/json | jq '.threshold')" = "0" || return 1
+
+
+    # Wait another 10 cycles to get "15 minute interval"
+    sleep 50
+    flush_pg_stats
+    CEPH_ARGS='' ceph daemon $(get_asok_path osd.0) dump_osd_network | tee $dir/json
+    test "$(cat $dir/json | jq '.entries | length')" = "0" || return 1
+    test "$(cat $dir/json | jq '.threshold')" = "1000000" || return 1
+
+    CEPH_ARGS='' ceph daemon $(get_asok_path mgr.x) dump_osd_network | tee $dir/json
+    test "$(cat $dir/json | jq '.entries | length')" = "0" || return 1
+    test "$(cat $dir/json | jq '.threshold')" = "1000000" || return 1
+
+    CEPH_ARGS='' ceph daemon $(get_asok_path osd.0) dump_osd_network 0 | tee $dir/json
+    test "$(cat $dir/json | jq '.entries | length')" = "4" || return 1
+    test "$(cat $dir/json | jq '.threshold')" = "0" || return 1
+
+    CEPH_ARGS='' ceph daemon $(get_asok_path mgr.x) dump_osd_network 0 | tee $dir/json
+    test "$(cat $dir/json | jq '.entries | length')" = "12" || return 1
+    test "$(cat $dir/json | jq '.threshold')" = "0" || return 1
+
+    rm -f $dir/json
+}
+
+# Test setting of mon_warn_on_slow_ping_time very low to
+# get health warning
+function TEST_network_ping_test2() {
+    local dir=$1
+
+    export CEPH_ARGS
+    export EXTRA_OPTS=" --mon_warn_on_slow_ping_time=1"
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    run_osd $dir 0 || return 1
+    run_osd $dir 1 || return 1
+    run_osd $dir 2 || return 1
+
+    sleep 5
+
+    create_pool foo 16
+
+    # write some objects
+    timeout 20 rados bench -p foo 10 write -b 4096 --no-cleanup || return 1
+
+    # Get at least 1 cycle of ping data (this test runs with 5 second cycles of 1 second pings)
+    sleep 10
+    flush_pg_stats
+
+    ceph health | tee $dir/health
+    grep -q "Long heartbeat" $dir/health || return 1
+
+    ceph health detail | tee $dir/health
+    grep -q "OSD_SLOW_PING_TIME_BACK" $dir/health || return 1
+    grep -q "OSD_SLOW_PING_TIME_FRONT" $dir/health || return 1
+    rm -f $dir/health
+}
+
+main network-ping "$@"
+
+# Local Variables:
+# compile-command: "cd ../.. ; make -j4 && ../qa/run-standalone.sh network-ping.sh"
+# End: