oraswdb_install erroneously complains about swap memory would be too low

changelogs/fragments/config_min_swap.yml

@@ -0,0 +1,3 @@
+---
+minor_changes:
+  - "oraswdb_install: make minimum required swap space a variable (and consider rounding)"

roles/orahost_meta/README.md

@@ -29,6 +29,7 @@ Meta role used by other roles to share variable defaults.
   - [orahost_meta_cv_assume_distid](#orahost_meta_cv_assume_distid)
   - [orahost_meta_java_options](#orahost_meta_java_options)
   - [orahost_meta_tmpdir](#orahost_meta_tmpdir)
+  - [orahost_min_swap_mb](#orahost_min_swap_mb)
   - [role_separation](#role_separation)
   - [scripts_folder](#scripts_folder)
   - [sysctl_kernel_sem_force](#sysctl_kernel_sem_force)
@@ -371,6 +372,20 @@ orahost_meta_java_options: >-
 orahost_meta_tmpdir: '{{ oracle_tmp_stage }}'
 ```
 
+### orahost_min_swap_mb
+
+Minimum amount of swap space (in MB) required for DB server.
+Note: We observed ansible_memory_mb.swap.total is 1MB less than configured
+swap (e.g. 16383 instead of 16384 for 16GB)
+
+**_Type:_** integer<br />
+
+#### Default value
+
+```YAML
+orahost_min_swap_mb: 16383
+```
+
 ### role_separation
 
 Should role separation be used for Oracle Restart/Grid-Infrastructure.

roles/orahost_meta/defaults/main.yml

@@ -204,3 +204,11 @@ oracle_nr_bg_processes: 130
 # (collections: oracle_databases, oracle_asm_instance), even if calculated values are lower than current ones
 sysctl_kernel_sem_force: false
 # @end
+
+# @var orahost_min_swap_mb:description: >
+# Minimum amount of swap space (in MB) required for DB server.
+# Note: We observed ansible_memory_mb.swap.total is 1MB less than configured
+# swap (e.g. 16383 instead of 16384 for 16GB)
+# @end
+# @var orahost_min_swap_mb:type: integer
+orahost_min_swap_mb: 16383

roles/oraswdb_install/tasks/19.3.0.0.yml

@@ -12,7 +12,7 @@
       ansible.builtin.assert:
         quiet: true
         that:
-          - ansible_memory_mb.swap.total > 16384
+          - ansible_memory_mb.swap.total >= {{ orahost_min_swap_mb }}
       tags:
         - assertswap
         - molecule-notest