Add action

action.yaml

@@ -0,0 +1,21 @@
+name: SSH
+
+inputs:
+  ssh-private-key:
+    required: true
+  ssh-known-hosts:
+    required: true
+
+runs:
+  using: 'composite'
+  steps:
+    - name: Setup ssh
+      env:
+        SSH_PRIVATE_KEY: ${{ inputs.ssh-private-key }}
+        SSH_KNOWN_HOSTS: ${{ inputs.ssh-known-hosts }}
+      run: |
+        mkdir -p ~/.ssh
+        chmod 700 ~/.ssh
+        echo "$SSH_PRIVATE_KEY" | tr -d '\r' > ~/.ssh/id_rsa
+        echo "$SSH_KNOWN_HOSTS" > ~/.ssh/known_hosts
+        chmod 600 ~/.ssh/id_rsa