From 0d9a5c05be7300ed07f3bca5cb3c6c372c58c59e Mon Sep 17 00:00:00 2001
From: Leonid Chernin <leonidc@il.ibm.com>
Date: Thu, 19 Sep 2024 07:10:24 +0000
Subject: [PATCH] add github test for usecase when gw deletes last subsystem

Signed-off-by: Leonid Chernin <leonidc@il.ibm.com>
---
 .github/workflows/build-container.yml |  2 +-
 tests/ha/no_subsystems.sh             | 68 +++++++++++++++++++++++++++
 2 files changed, 69 insertions(+), 1 deletion(-)
 create mode 100755 tests/ha/no_subsystems.sh

diff --git a/.github/workflows/build-container.yml b/.github/workflows/build-container.yml
index 76cde126..b43ed9bc 100644
--- a/.github/workflows/build-container.yml
+++ b/.github/workflows/build-container.yml
@@ -737,7 +737,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        test: ["sanity", "ns_lb_change", "state_transitions", "state_transitions_both_gws", "state_transitions_loop", "state_transitions_rand_loop", "late_registration", "late_registration_loop", "4gws", "4gws_loop", "4gws_create_delete", "4gws_create_delete_loop", "namespaces", "namespaces_loop", "mtls", "notify", "ceph_status"]
+        test: ["sanity", "ns_lb_change", "no_subsystems", "state_transitions", "state_transitions_both_gws", "state_transitions_loop", "state_transitions_rand_loop", "late_registration", "late_registration_loop", "4gws", "4gws_loop", "4gws_create_delete", "4gws_create_delete_loop", "namespaces", "namespaces_loop", "mtls", "notify", "ceph_status"]
     runs-on: ubuntu-latest
     env:
       HUGEPAGES: 1024  # 4 spdk instances
diff --git a/tests/ha/no_subsystems.sh b/tests/ha/no_subsystems.sh
new file mode 100755
index 00000000..11c2ed35
--- /dev/null
+++ b/tests/ha/no_subsystems.sh
@@ -0,0 +1,68 @@
+#!/bin/bash
+set -xe
+# See
+# - https://github.com/spdk/spdk/blob/master/doc/jsonrpc.md
+# - https://spdk.io/doc/nvmf_multipath_howto.html
+
+GW1_NAME=$(docker ps --format '{{.ID}}\t{{.Names}}' | awk '$2 ~ /nvmeof/ && $2 ~ /1/ {print $1}')
+GW2_NAME=$(docker ps --format '{{.ID}}\t{{.Names}}' | awk '$2 ~ /nvmeof/ && $2 ~ /2/ {print $1}')
+
+ip="$(docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' "$GW1_NAME")"
+ip2="$(docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' "$GW2_NAME")"
+
+NQN="nqn.2016-06.io.spdk:cnode1"
+
+ verify_gw_exists_and_no_subs()
+ {
+     IP=$1
+     subs=$(docker compose run -T --rm nvmeof-cli --server-address $IP --server-port 5500 --output stdio --format json get_subsystems)
+     echo "show subsystems after del : $subs"
+     if echo "$subs" | grep -q '"subsystems": \[\]'; then
+       echo "The string contains 'subsystems:[]' on GW  ip $IP"
+     else
+       echo "The string does not contain 'subsystems:[]'on GW  ip $IP "
+       exit 1
+     fi
+ }
+
+
+  echo "ℹ️ ℹ️ Start test:  Delete the last subsystem:"
+
+  for i in $(seq 2); do
+
+     docker compose run -T --rm nvmeof-cli --server-address $ip --server-port 5500 subsystem del -n $NQN --force
+     sleep 2
+     verify_gw_exists_and_no_subs  $ip
+     verify_gw_exists_and_no_subs  $ip2
+
+     echo "ℹ️ ℹ️ next : Create  subsystem:"
+
+     docker compose run -T --rm nvmeof-cli --server-address $ip --server-port 5500 subsystem add -n $NQN
+     docker compose  run --rm nvmeof-cli --server-address $ip  --server-port 5500 listener add  --subsystem $NQN --host-name $GW1_NAME --traddr $ip --trsvcid 4420
+     docker compose  run --rm nvmeof-cli --server-address $ip2 --server-port 5500 listener add  --subsystem $NQN --host-name $GW2_NAME --traddr $ip2 --trsvcid 4420
+
+     sleep 5
+     subs=$(docker compose run -T --rm nvmeof-cli --server-address $ip --server-port 5500 --output stdio --format json get_subsystems)
+
+     echo "subsystems $subs"
+     #test that ana group is Active
+     json=$(docker compose exec -T ceph ceph nvme-gw show  rbd '')
+
+     states=$(echo "$json" | jq -r '.["Created Gateways:"][] | ."ana states"')
+     echo "$states"
+
+     if echo "$states" | grep -q '1: ACTIVE'; then
+        echo "state found ACTIVE in group 1"
+     else
+	echo "ACTIVE state not found for group 1"
+	exit 1
+     fi
+     if echo "$states" | grep -q '2: ACTIVE'; then
+       echo "state found ACTIVE in group 2"
+     else
+       echo "ACTIVE state not found for group 2"
+       exit 1
+     fi
+
+  done
+  echo "ℹ️ ℹ️  test passed"