make ssh-agent usable

files/pam_env.conf

@@ -0,0 +1 @@
+SSH_AUTH_SOCK DEFAULT="${XDG_RUNTIME_DIR}/openssh_agent"

files/ssh-agent.service.d.install

@@ -0,0 +1,2 @@
+[Install]
+WantedBy=default.target

tasks/main.yaml

@@ -1,8 +1,11 @@
 ---
 - apt:
     pkg:
+      - openssh-client
+      - ssh-agent-filter
       - gnupg
       - gnupg-agent
+      - agent-transfer
       - mtr
       - p7zip
       - zip
@@ -13,3 +16,24 @@
 - name: jpath - JMESPath exploration tool in the terminal
   pip:
     name: jmespath-terminal
+
+- name: make ssh-agent user service override directory
+  file:
+    path: /etc/systemd/user/ssh-agent.service.d
+    state: directory
+
+- name: make ssh-agent user service enableable
+  copy:
+    src: ssh-agent.service.d.install
+    dest: /etc/systemd/user/ssh-agent.service.d/install.conf
+
+- name: ensure ssh-agent user service is enabled for all users
+  systemd:
+    enabled: yes
+    scope: global
+    name: ssh-agent.service
+
+- name: pam_env.conf
+  copy:
+    src: pam_env.conf
+    dest: /etc/security/pam_env.conf