Convert DNS domain search to a list

Fix #880

Signed-off-by: Sagi Shnaidman <sshnaidm@redhat.com>

plugins/module_utils/podman/podman_container_lib.py

@@ -62,7 +62,7 @@ ARGUMENTS_SPEC_CONTAINER = dict(
     device_write_iops=dict(type='list', elements='str'),
     dns=dict(type='list', elements='str', aliases=['dns_servers']),
     dns_option=dict(type='str', aliases=['dns_opts']),
-    dns_search=dict(type='str', aliases=['dns_search_domains']),
+    dns_search=dict(type='list', elements='str', aliases=['dns_search_domains']),
     entrypoint=dict(type='str'),
     env=dict(type='dict'),
     env_file=dict(type='list', elements='path', aliases=['env_files']),
@@ -457,7 +457,9 @@ class PodmanModuleParams:
         return c + ['--dns-option', self.params['dns_option']]
 
     def addparam_dns_search(self, c):
-        return c + ['--dns-search', self.params['dns_search']]
+        for search in self.params['dns_search']:
+            c += ['--dns-search', search]
+        return c
 
     def addparam_entrypoint(self, c):
         return c + ['--entrypoint=%s' % self.params['entrypoint']]

plugins/modules/podman_container.py

@@ -297,7 +297,8 @@ options:
     description:
       - Set custom DNS search domains (Use dns_search with '' if you don't wish
         to set the search domain)
-    type: str
+    type: list
+    elements: str
     aliases:
       - dns_search_domains
   entrypoint:

tests/integration/targets/podman_containers/tasks/main.yml

@@ -402,7 +402,8 @@
             dns_servers:
               - 1.1.1.1
               - 8.8.4.4
-            dns_search_domains: example.com
+            dns_search_domains:
+              - example.com
             capabilities:
               - SYS_TIME
               - NET_ADMIN