refactor(infra): increase ssh connection persistence to 1h (#203)

Author: mrekucci

.github/workflows/infrastructure.yml

@@ -131,16 +131,23 @@ jobs:
 
       - name: Configure Control Machine
         run: |
+          mkdir -p ~/.ssh
+          chmod 700 ~/.ssh
+          cat <<-EOH >> ~/.ssh/config
+          Host *
+            ControlMaster auto
+            ControlPath /tmp/ssh_mux_%h_%p_%r
+            ControlPersist 60m
+          EOH
+
           ANSIBLE_USER="${USER}"
           ANSIBLE_CONNECTION="ansible_connection=local"
           if [ "${IS_MANUAL_DEPLOYMENT}" == "true" ]; then
             ANSIBLE_USER="ubuntu"
             ANSIBLE_CONNECTION=""
             export ANSIBLE_HOST_KEY_CHECKING=false
 
-            mkdir -p ~/.ssh && \
-            chmod 700 ~/.ssh && \
-            echo "${{ secrets.INFRASTRUCTURE_DEPLOYMENT_KEY }}" > ~/.ssh/id_ed25519 && \
+            echo "${{ secrets.INFRASTRUCTURE_DEPLOYMENT_KEY }}" > ~/.ssh/id_ed25519
             chmod 600 ~/.ssh/id_ed25519
           fi
 

infrastructure/nomad/ansible.cfg.example

@@ -8,7 +8,6 @@ timeout = 10
 connection = ssh
 pipelining = True
 host_key_checking = False
-ssh_args = -o ControlMaster=auto -o ControlPersist=60s -o ForwardAgent=yes
 fact_caching = jsonfile
 fact_caching_connection = /tmp/ansible_facts_cache
 fact_caching_timeout = 86400
@@ -17,3 +16,6 @@ module_defaults:
     gather_subset:
     - '!all'
     - 'min'
+
+[ssh_connection]
+ssh_args = -o ControlMaster=auto -o ControlPersist=60m -o ControlPath=/tmp/ssh_mux_%h_%p_%r -o ForwardAgent=yes