Provision remote f2b key with ansible

ansible/roles/fail2ban_ssh/files/f2b_key.pub

@@ -0,0 +1,10 @@
+$ANSIBLE_VAULT;1.1;AES256
+65656562376262323162613131353164623832616263313530383838623161333739393037363362
+3332616430663862363566613532396230643636376537620a356261383430643566323264343437
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+33333334313864376131653535653132626366306630393764353464636331316564616230396663
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+31396139633936363738383766356135656434343338623137663436626436663866366663363534
+3364

ansible/roles/fail2ban_ssh/tasks/main.yml

@@ -25,3 +25,10 @@
     mode: 0755
   become: true
   register: sshd_config
+
+- name: Set up authorized keys
+  ansible.posix.authorized_key:
+    user: "{{ f2b_user }}"
+    state: present
+    key: "{{ lookup('file', 'files/f2b_key.pub') }}"
+  become: true

ansible/roles/traefik/files/fail2ban/f2b_key.key

@@ -0,0 +1,25 @@
+$ANSIBLE_VAULT;1.1;AES256
+62333161626439326166306363343866616336646134376134326265386134343338313164653334
+3131633561363730376161323034643836333738303361320a613764383135373933636537333331
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+33333230343731663038626362353163663363396134303431393061333136393664643535393662
+65333561623335656635393364666135343462646237316138393637356261303634383830636462
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+63633938306533343561646663393165353633306131336135633762306666326465306335343665
+34323261623531646566626561643465333737323562646137366235363339663163656566383266
+39326637373739623338653633633237396362633062303033366530383334353032643434623339
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+63326566663265346537633134653636636436323738396530326332656165396635316634653133
+31373137636233323563343433383837633132636434303134313431343364313735316633343732
+62663537616663356133636337373630616134363262333332303965393463643833343561386639
+62316136363661653430336566323539643239346539353535346539646138366462346634336165
+37343737656564333365346538656661343165623037613030356233626534306533303738646363
+35396566303561366333363265373733636138336533336534393262643831613836326639623633
+62313830626264323965303933393466643433373136353232383262323963613432313139303062
+34373236363635623337

ansible/roles/traefik/files/fail2ban/remote-action.conf

@@ -1,6 +1,6 @@
 [Definition]
-actionban   = ssh -p 7743 f2b@{{ nebula.clients.casey.ip }} -i /root/.ssh/f2b/id_ed25519 set traefik banip <ip>
-actionunban = ssh -p 7743 f2b@{{ nebula.clients.casey.ip }} -i /root/.ssh/f2b/id_ed25519 set traefik unbanip <ip>
+actionban   = ssh -p 7743 f2b@{{ nebula.clients.casey.ip }} -i /etc/fail2ban/f2b_key.key set traefik banip <ip>
+actionunban = ssh -p 7743 f2b@{{ nebula.clients.casey.ip }} -i /etc/fail2ban/f2b_key.key set traefik unbanip <ip>
 actioncheck =
 actionstart =
 actionstop =

ansible/roles/traefik/tasks/fail2ban.yml

@@ -21,3 +21,12 @@
     mode: 0644
   become: true
   notify: restart fail2ban
+
+- name: Create SSH key
+  copy:
+    src: files/fail2ban/f2b_key.key
+    dest: /etc/fail2ban/f2b_key.key
+    owner: root
+    group: root
+    mode: "0600"
+  become: true