initial commit

action.yml

@@ -0,0 +1,23 @@
+name: "ssh-setup"
+description: "add a private ssh key"
+inputs:
+  ssh-key:
+    description: "private ssh key"
+    required: true
+  add-hosts:
+    description: "~/.ssh/known_hosts"
+    required: false
+runs:
+  using: composite
+  steps:
+    - name: mkdir -p ~/.ssh
+      shell: bash
+      run: mkdir -p ~/.ssh
+    - name: add hosts
+      shell: bash
+      run: echo "${{ inputs.add-hosts }}" | xargs ssh-keyscan > ~/.ssh/known_hosts
+    - name: add ssh key
+      shell: bash
+      run: |
+        echo "${{ inputs.ssh-key }}" | tr -d "\r" > ~/.ssh/id_ed25519
+        chmod -R 600 /root/.ssh