Allow multiple services creation

Adding an option to create multiple services in one go.
Adding tests (present/absent/without_skip_host_check)

Copied from PR #1054

Signed-off-by: Denis Karpelevich <dkarpele@redhat.com>

tests/service/services.sh

@@ -0,0 +1,25 @@
+#!/bin/bash -eu
+
+NUM=${1-1000}
+FILE="services.json"
+
+echo "{" > "$FILE"
+
+echo "  \"service_list\": [" >> "$FILE"
+
+for i in $(seq 1 "$NUM"); do
+    {
+        echo "    {"
+        echo "      \"name\": \"HTTP/www.example$i.com\","
+        echo "      \"principal\": \"host/test.example$i.com\""
+    } >> "$FILE"
+    if [ "$i" -lt "$NUM" ]; then
+       echo "    }," >> "$FILE"
+    else
+       echo "    }" >> "$FILE"
+    fi
+done
+
+echo "  ]" >> "$FILE"
+
+echo "}" >> "$FILE"