test: fix ssh_reboot failures

tests/tests_ssh_reboot.yml

@@ -1,6 +1,7 @@
 ---
 - name: Ensure that the rule runs with ssh
   hosts: all
+  gather_facts: true
   vars:
     # this is the outside address under which the ssh dump server is
     # known and ansible is supposed to be configured to be able to
@@ -63,6 +64,19 @@
       delegate_to: "{{ kdump_test_ssh_server_outside }}"
       delegate_facts: true
 
+    - name: Debug0
+      debug:
+        msg: facts for {{ item }} {{ hostvars[item]["ansible_facts"] | to_nice_json }}
+      loop: "{{ hostvars.keys() | list }}"
+
+    - name: Debug1
+      debug:
+        msg: |
+          kdump_test_ssh_server_inside {{ kdump_test_ssh_server_inside }}
+          kdump_test_ssh_server_outside {{ kdump_test_ssh_server_outside }}
+          kdump_test_ssh_source {{ kdump_test_ssh_source }}
+          inventory_hostname {{ inventory_hostname }}
+
     - name: Create a kdump user on kdump_ssh_server
       user:
         name: kdump_ssh_user
@@ -111,9 +125,28 @@
       meta: end_host
       when: __kdump_is_ostree | bool
 
-    - name: Run the role and reboot if necessary
-      include_role:
-        name: linux-system-roles.kdump
+    - name: Try the role, catch errors
+      block:
+        - name: Run the role and reboot if necessary
+          include_role:
+            name: linux-system-roles.kdump
+            public: true
+      rescue:
+        - name: Set flag to indicate role failed
+          set_fact:
+            __role_failed: true
+
+    - name: Debug2
+      shell: |
+        set -x
+        exec 1>&2
+        cat /etc/kdump.conf || :
+        getent hosts {{ kdump_test_ssh_server_outside }} || :
+        getent hosts {{ kdump_test_ssh_server_inside }} || :
+        getent hosts {{ kdump_ssh_server }} || :
+        timeout 5 ssh -i {{ kdump_sshkey }} -o LogLevel=DEBUG {{ kdump_target.location }} "ls -alrtF /tmp" || :
+      changed_when: false
+      failed_when: __role_failed | d(false)
 
     - name: Flush handlers
       meta: flush_handlers