Redhat : Refresh Datadog repository cache (#478)

Author: Pythyu

tasks/pkg-redhat.yml

@@ -146,6 +146,16 @@
     warn: no
   when: repofile5.changed or repofile6.changed or repofile7.changed or repofilecustom.changed
 
+# On certain version of dnf, gpg keys aren't imported into the local db with the package install task.
+# This rule assures that they are correctly imported into the local db and users won't have to manually accept
+# them if running dnf commands on the hosts.
+- name: Refresh Datadog repository cache # noqa 503
+  command: yum -y makecache --disablerepo="*" --enablerepo=datadog
+  failed_when: false
+  args:
+    warn: no
+  when: repofile5.changed or repofile6.changed or repofile7.changed or repofilecustom.changed
+
 - name: Remove old yum repo files
   yum_repository:
     name: "ansible_datadog_{{ item }}"