tests/packaging/interactive: added watchdog test

diff --git a/tests/packaging/interactive/watchdog.sh b/tests/packaging/interactive/watchdog.sh
new file mode 100755 (executable)
index 0000000..6e5e506
--- /dev/null
+++ b/tests/packaging/interactive/watchdog.sh
@@ -0,0 +1,102 @@
+#!/usr/bin/env bash
+
+set -e
+
+gitroot=$(git rev-parse --show-toplevel)
+cert_file=$gitroot/modules/http/test_tls/test.crt
+key_file=$gitroot/modules/http/test_tls/test.key
+
+tls_certificate_conf=$(cat <<EOF
+{
+    "cert-file": "$cert_file",
+    "key-file": "$key_file"
+}
+EOF
+)
+
+# configure TLS certificate files
+kresctl config set -p /network/tls "$tls_certificate_conf"
+if [ "$?" -ne "0" ]; then
+    echo "Could not set TLS certificate files."
+    exit 1
+fi
+
+function count_errors(){
+    echo "$(journalctl -u knot-resolver.service | grep -c error)"
+}
+
+function count_reloads(){
+    echo "$(journalctl -u knot-resolver.service | grep -c "Reloading of TLS certificate files has finished")"
+}
+
+# test modification
+# {{
+
+# modify certificate files with '-', it will trigger reload
+err_count=$(count_errors)
+rel_count=$(count_reloads)
+echo "-----------" >> $cert_file
+echo "-----------" >> $key_file
+
+# wait for files reload to finish
+sleep 6
+
+if [ $(count_errors) -ne $err_count ] || [ $(count_reloads) -eq $rel_count ]; then
+    echo "Could not reload modified TLS certificate files."
+    exit 1
+fi
+
+# }}
+
+# test replacement
+# {{
+
+rel_count=$(count_reloads)
+
+# copy cert files
+cp $cert_file test.crt.new
+cp $key_file test.key.new
+
+# edit new files
+echo "-----------" >> test.crt.new
+echo "-----------" >> test.key.new
+
+# replace files
+mv -f test.crt.new $cert_file
+mv -f test.key.new $key_file
+
+# wait for files reload to finish
+sleep 6
+
+if [ $(count_errors) -ne $err_count ] || [ $(count_reloads) -eq $rel_count ]; then
+    echo "Could not reload replaced TLS certificate files."
+    exit 1
+fi
+
+# }}
+
+# test recovery from deletion and creation
+# {{
+
+rel_count=$(count_reloads)
+
+# backup cert files
+cp $cert_file test.crt.backup
+cp $key_file test.key.backup
+
+# delete cert files
+rm $cert_file $key_file
+
+# create cert files
+mv test.crt.backup $cert_file
+mv test.key.backup $key_file
+
+# wait for files reload to finish
+sleep 6
+
+if [ $(count_errors) -ne $err_count ] || [ $(count_reloads) -eq $rel_count ]; then
+    echo "Could not reload created TLS certificate files."
+    exit 1
+fi
+
+# }}