3 files changed, 46 insertions, 0 deletions
diff --git a/roles/sshdns/defaults/main.yml b/roles/sshdns/defaults/main.yml
new file mode 100644
index 0000000..9120a10
--- /dev/null
+++ b/roles/sshdns/defaults/main.yml
@@ -0,0 +1 @@
+sshdns_waittime: 2
diff --git a/roles/sshdns/tasks/main.yml b/roles/sshdns/tasks/main.yml
new file mode 100644
index 0000000..f62c706
--- /dev/null
+++ b/roles/sshdns/tasks/main.yml
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+---
+
+- name: get current user
+  shell: whoami
+  register: result
+
+- name: set current user
+  set_fact:
+    sshdns_user: '{{ result.stdout_lines[0] }}'
+
+- name: create config directory
+  file:
+    path: '/home/{{ sshdns_user }}/.ssh/config.d'
+    state: directory
+    group: '{{ sshdns_user }}'
+    owner: '{{ sshdns_user }}'
+    mode: '0700'
+
+- name: generate template to localhost
+  template:
+    src: templates/sshdns.j2
+    dest: '/home/{{ sshdns_user }}//.ssh/config.d/ssh_dns'
+    owner: '{{ sshdns_user }}'
+    group: '{{ sshdns_user }}'
+    mode: '0600'
diff --git a/roles/sshdns/templates/sshdns.j2 b/roles/sshdns/templates/sshdns.j2
new file mode 100644
index 0000000..1778215
--- /dev/null
+++ b/roles/sshdns/templates/sshdns.j2
@@ -0,0 +1,20 @@
+{% import 'macros.j2' as macros with context %}
+
+# ssh configuration for dns ~~ ~/.ssh/.config.d/
+# managed by Ansible
+
+{% set dcontroller = hostvars[global.dcontroller] %}
+{% call(h) macros.loop_hosts("servers") %}
+{% if h.ip is defined and h.services is defined %}
+{% set _port = h.services | selectattr("name", "equalto", "ssh") | map(attribute="port") | list | join(' ') %}
+# {{ h.ansible_host }}
+Match originalhost {{ h.ansible_host }} exec "ping -c 1 -w {{ sshdns_waittime }} {{ dcontroller.ip.in }} && ! ping -c 1 -w {{ sshdns_waittime }} {{ h.ip.out }}"
+	HostName {{ h.ip.in }}
+	Port {{ _port }}
+Match originalhost {{ h.ansible_host }}
+	HostName {{ h.ip.out }}
+	Port {{ _port }}
+	User root
+
+{% endif %}
+{% endcall %}