ssh: review ssh copy and run actions, add port variable

ssh-copy/action.yml

@@ -16,26 +16,36 @@ inputs:
   target:
     description: destination path on remote
     required: true
+  port:
+    description: SSH port
+    required: false
+    default: "22"
 
 runs:
   using: "composite"
   steps:
     - name: setup ssh
       shell: bash
+      env:
+        SSH_KEY: ${{ inputs.key }}
+        HOST: ${{ inputs.host }}
+        PORT: ${{ inputs.port }}
       run: |
+        set -euo pipefail
         mkdir -p ~/.ssh
-        echo "${{ inputs.key }}" > ~/.ssh/id_rsa
-        chmod 600 ~/.ssh/id_rsa
-
-    - name: add remote host to known_hosts
-      shell: bash
-      run: ssh-keyscan -H "${{ inputs.host }}" >> ~/.ssh/known_hosts
-
-    - name: install rsync
-      shell: bash
-      run: sudo apt-get update && sudo apt-get install -y rsync
+        printf '%s\n' "$SSH_KEY" > ~/.ssh/id_ed25519
+        chmod 600 ~/.ssh/id_ed25519
+        ssh-keyscan -p "$PORT" -H "$HOST" >> ~/.ssh/known_hosts
+        chmod 600 ~/.ssh/known_hosts
 
     - name: rsync directory
       shell: bash
+      env:
+        SRC: ${{ inputs.source }}
+        HOST: ${{ inputs.host }}
+        USER: ${{ inputs.user }}
+        TARGET: ${{ inputs.target }}
+        PORT: ${{ inputs.port }}
       run: |
-        rsync -rlptz --delete ${{ inputs.source }} ${{ inputs.user }}@${{ inputs.host }}:${{ inputs.target }}
+        set -euo pipefail
+        rsync -rlptz --delete -e "ssh -p $PORT" "$SRC" "$USER@$HOST:$TARGET"

ssh-run/action.yml

@@ -13,24 +13,35 @@ inputs:
   script:
     description: commands to run via SSH
     required: true
+  port:
+    description: SSH port
+    required: false
+    default: "22"
 
 runs:
   using: "composite"
   steps:
     - name: setup ssh
       shell: bash
+      env:
+        SSH_KEY: ${{ inputs.key }}
+        HOST: ${{ inputs.host }}
+        PORT: ${{ inputs.port }}
       run: |
+        set -euo pipefail
         mkdir -p ~/.ssh
-        echo "${{ inputs.key }}" > ~/.ssh/id_rsa
-        chmod 600 ~/.ssh/id_rsa
-
-    - name: add remote host to known_hosts
-      shell: bash
-      run: ssh-keyscan -H "${{ inputs.host }}" >> ~/.ssh/known_hosts
+        printf '%s\n' "$SSH_KEY" > ~/.ssh/id_ed25519
+        chmod 600 ~/.ssh/id_ed25519
+        ssh-keyscan -p "$PORT" -H "$HOST" >> ~/.ssh/known_hosts
+        chmod 600 ~/.ssh/known_hosts
 
     - name: run on docker host
       shell: bash
+      env:
+        HOST: ${{ inputs.host }}
+        USER: ${{ inputs.user }}
+        PORT: ${{ inputs.port }}
+        SCRIPT: ${{ inputs.script }}
       run: |
-        ssh ${{ inputs.user }}@${{ inputs.host }} << 'EOF'
-        ${{ inputs.script }}
-        EOF
+        set -euo pipefail
+        ssh -p "$PORT" "$USER@$HOST" bash -s <<< "$SCRIPT"