[ovs-dev] [RFC PATCH ovn 1/7] tutorial: Add hacky load balancer stress test.

[Dumitru Ceara]

Signed-off-by: Dumitru Ceara <dceara at redhat.com>
---
 tutorial/automake.mk        |    3 +-
 tutorial/lb-group-stress.sh |   60 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 62 insertions(+), 1 deletion(-)
 create mode 100755 tutorial/lb-group-stress.sh

diff --git a/tutorial/automake.mk b/tutorial/automake.mk
index 046962c00..098f7b457 100644
--- a/tutorial/automake.mk
+++ b/tutorial/automake.mk
@@ -1,6 +1,7 @@
 EXTRA_DIST += \
 	tutorial/ovs-sandbox \
-	tutorial/ovn-setup.sh
+	tutorial/ovn-setup.sh \
+	tutorial/lb-group-stress.sh
 sandbox: all
 	cd $(srcdir)/tutorial && MAKE=$(MAKE) HAVE_OPENSSL=$(HAVE_OPENSSL) \
 		./ovs-sandbox -b $(abs_builddir) --ovs-src $(ovs_srcdir) --ovs-build $(ovs_builddir) $(SANDBOXFLAGS)
diff --git a/tutorial/lb-group-stress.sh b/tutorial/lb-group-stress.sh
new file mode 100755
index 000000000..28fb7f8bc
--- /dev/null
+++ b/tutorial/lb-group-stress.sh
@@ -0,0 +1,60 @@
+nsw=$1
+nlb=$2
+
+export OVN_NB_DAEMON=$(ovn-nbctl --detach --pidfile --no-leader-only --log-file=ovn-nbctl.log --db unix:nb1.ovsdb,unix:nb2.ovsdb,unix:nb3.ovsdb)
+
+sleep 1
+
+echo "Adding cluster LB group.."
+lb_group_uuid=$(ovn-nbctl create load_balancer_group name="cluster-lbs")
+
+ovn-nbctl lr-add cluster_rtr
+ovn-nbctl ls-add join
+ovn-nbctl lrp-add cluster_rtr crtr_join 00:00:00:00:03:01 43.43.43.1/24
+ovn-nbctl lsp-add join join_crtr
+ovn-nbctl lsp-set-addresses join_crtr "00:00:00:00:03:01 43.43.43.1"
+ovn-nbctl lsp-set-type join_crtr router
+ovn-nbctl lsp-set-options join_crtr router-port=crtr_join
+
+echo "Adding switches/routers.."
+for ((i = 0; i < $nsw; i++)); do
+    echo "Switch/Router $i"
+    ip2=42.42.$((i/256)).$((i%256))
+    ip3=43.43.$((i/256)).$((i%256))
+
+    ovn-nbctl ls-add ls$i -- add logical_switch ls$i load_balancer_group ${lb_group_uuid}
+    ovn-nbctl lrp-add cluster_rtr crtr_sw${i} 00:00:00:00:02:01 ${ip2}/16
+    ovn-nbctl lsp-add ls$i sw${i}_crtr
+    ovn-nbctl lsp-set-addresses sw${i}_crtr "00:00:00:00:02:01 ${ip2}"
+    ovn-nbctl lsp-set-type      sw${i}_crtr router
+    ovn-nbctl lsp-set-options   sw${i}_crtr router-port=crtr_sw${i}
+    ovn-nbctl lsp-add ls$i sw${i}_mgmt
+    ovn-nbctl lsp-add ls$i sw${i}_mgmt2
+
+    ovn-nbctl lr-add lr$i -- add logical_router lr$i load_balancer_group ${lb_group_uuid}
+    ovn-nbctl set logical_router lr$i options:dynamic_neigh_routers=true
+    ovn-nbctl set logical_router lr$i options:chassis=foo
+    ovn-nbctl lrp-add lr$i lr${i}_join 00:00:00:00:04:01 ${ip3}/16
+    ovn-nbctl lsp-add join join_lr${i}
+    ovn-nbctl lsp-set-addresses join_lr${i} "00:00:00:00:04:01 ${ip3}"
+    ovn-nbctl lsp-set-type      join_lr${i} router
+    ovn-nbctl lsp-set-options   join_lr${i} router-port=lr${i}_join
+done
+
+echo "Adding load balancers.."
+for ((j = 0; j < $nlb; j++)); do
+    echo "Adding LB $j.."
+    ip1="42.$((j/255)).$((j%255)).1"
+    ip2="42.$((j/255)).$((j%255)).2"
+    ovn-nbctl --id=@id create load_balancer name=lb$j protocol=tcp vips:"\"${ip1}:8080\""="\"${ip2}:8081\"" \
+              -- add load_balancer_group ${lb_group_uuid} load_balancer @id
+done
+
+ovn-nbctl --wait=sb sync
+
+echo "DONE with the base setup, adding one more load balancer"
+echo "Adding LB $j.."
+ip1="42.$((j/255)).$((j%255)).1"
+ip2="42.$((j/255)).$((j%255)).2"
+ovn-nbctl --id=@id create load_balancer name=lb$j protocol=tcp vips:"\"${ip1}:8080\""="\"${ip2}:8081\"" \
+            -- add load_balancer_group ${lb_group_uuid} load_balancer @id