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_absent.sh

@@ -0,0 +1,22 @@
+#!/bin/bash -eu
+
+NUM=1000
+FILE="services_absent.json"
+
+echo "{" > "$FILE"
+
+echo "  \"services\": [" >> "$FILE"
+
+for i in $(seq 1 "$NUM"); do
+    echo "    {" >> "$FILE"
+    echo "      \"name\": \"HTTP/www.example$i.com\"," >> "$FILE"
+    if [ "$i" -lt "$NUM" ]; then
+       echo "    }," >> "$FILE"
+    else
+       echo "    }" >> "$FILE"
+    fi
+done
+
+echo "  ]" >> "$FILE"
+
+echo "}" >> "$FILE"