sap_swpm: append when to detect vars

roles/sap_swpm/tasks/swpm/detect_variables.yml

@@ -8,11 +8,13 @@
       END{print product_id}' {{ sap_swpm_tmpdir.path }}/inifile.params
   register: sap_swpm_inifile_product_id_detect
   changed_when: false
+  when: not sap_swpm_product_catalog_id is defined
 
 # Set fact for product id
 - name: SAP SWPM - Set SAP product ID
   ansible.builtin.set_fact:
     sap_swpm_product_catalog_id: "{{ sap_swpm_inifile_product_id_detect.stdout }}"
+  when: not sap_swpm_product_catalog_id is defined
 
 - name: SAP SWPM - Display SAP product ID
   ansible.builtin.debug:
@@ -25,11 +27,13 @@
     awk '!/^#/&&/archives.downloadBasket/{print $3}' {{ sap_swpm_tmpdir.path }}/inifile.params
   register: sap_swpm_inifile_software_path
   changed_when: false
+  when: not sap_swpm_software_path is defined
 
 # Set fact for software path
 - name: SAP SWPM - Set Software Path
   ansible.builtin.set_fact:
     sap_swpm_software_path: "{{ sap_swpm_inifile_software_path.stdout }}"
+  when: not sap_swpm_software_path is defined
 
 - name: SAP SWPM - Display Software Path
   ansible.builtin.debug:
@@ -42,11 +46,13 @@
     awk '!/^#/&&/NW_GetSidNoProfiles.sid/{print $3}' {{ sap_swpm_tmpdir.path }}/inifile.params
   register: sap_swpm_inifile_sid
   changed_when: false
+  when: not sap_swpm_sid is defined
 
 # Set fact for SID
 - name: SAP SWPM - Set SID
   ansible.builtin.set_fact:
     sap_swpm_sid: "{{ sap_swpm_inifile_sid.stdout }}"
+  when: not sap_swpm_sid is defined
 
 - name: SAP SWPM - Display SAP SID
   ansible.builtin.debug:
@@ -59,11 +65,13 @@
     awk '!/^#/&&/NW_getFQDN.FQDN/{print $3}' {{ sap_swpm_tmpdir.path }}/inifile.params
   register: sap_swpm_inifile_fqdn
   changed_when: false
+  when: not sap_swpm_fqdn is defined
 
 # Set fact for FQDN
 - name: SAP SWPM - Set FQDN
   ansible.builtin.set_fact:
     sap_swpm_fqdn: "{{ sap_swpm_inifile_fqdn.stdout }}"
+  when: not sap_swpm_fqdn is defined
 
 - name: SAP SWPM - Display FQDN
   ansible.builtin.debug: