Initial commit

LICENSE

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+MIT License
+
+Copyright (c) 2024 h7x4
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# Rsync action
+
+This action sends the contents of a directory to a remote server using [rsync][rsync].
+
+## Usage
+
+Basic usage:
+
+```yaml
+- name: Transfer files
+  uses: https://git.pvv.ntnu.no/oysteikt/rsync-action@v1
+  with:
+    source: ./path/to/directory/
+    target: /path/at/remote/
+    username: username
+    host: hostname
+    ssh-key: ${{ secrets.SSH_KEY }}
+```
+
+Advanced usage:
+
+```yaml
+- name: Transfer files
+  uses: https://git.pvv.ntnu.no/oysteikt/rsync-action@v1
+  with:
+    source: ./path/to/directory/
+    target: /path/at/remote/
+    username: username
+    host: hostname
+    port: 2222
+    ssh-key: ${{ secrets.SSH_KEY }}
+    args: -avz --mkpath --exclude 'node_modules' --delete
+    known-hosts: "[hostname]:2222 ssh-ed25519 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+```
+
+[rsync]: https://rsync.samba.org/

action.yml

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+name: 'Rsync SSH transfer'
+description: 'Transfer files to another location'
+inputs:
+  username:
+    description: "Username to be used for login"
+    required: true
+  ssh-key:
+    description: "private SSH key to use for logging int"
+    required: false
+  host:
+    description: "Host to log in at"
+    required: true
+  port:
+    description: "Port to connect to"
+    required: true
+    default: "22"
+  known-hosts:
+    description: "Content to add to the known_hosts file, to verify the authenticity of the remote"
+    required: false
+  source:
+    description: "Which files to copy"
+    required: true
+  target:
+    description: "Where on the host to copy the files"
+    required: true
+  args:
+    description: "Command line args to pass to rsync"
+    required: true
+    default: "--archive --compress --verbose --mkpath"
+
+runs:
+  using: "composite"
+  steps:
+    - name: Install rsync
+      run: |
+        if ! command -v apt-get &> /dev/null
+        then
+          echo "Only apt is supported"
+          exit 1
+        fi
+
+        if command -v rsync &> /dev/null
+        then
+          echo "rsync is already installed"
+        else
+          echo "Updating package index"
+          apt-get update
+          echo "Installing rsync"
+          apt-get install -y rsync
+        fi
+      shell: bash
+
+    - name: Create SSH directory
+      run: |
+        echo "Creating ~/.ssh"
+        mkdir -p ~/.ssh
+      shell: bash
+
+    - name: Install SSH config
+      run: |
+        echo "Installing SSH config"
+        cat <<EOF > ~/.ssh/config
+        Host targethost
+          User ${{ inputs.username }}
+          HostName ${{ inputs.host }}
+          Port ${{ inputs.port }}
+          IdentityFile ~/.ssh/key
+          ForwardAgent no
+          ForwardX11 no
+          PasswordAuthentication no
+        EOF
+        chmod 600 ~/.ssh/config
+      shell: bash
+
+    - name: Install SSH known_hosts
+      run: |
+        echo "Installing known_hosts"
+        echo "${{ inputs.known-hosts }}" > ~/.ssh/known_hosts
+        echo "  StrictHostKeyChecking yes" >> ~/.ssh/config
+      shell: bash
+      if: ${{ inputs.known-hosts != null }}
+
+    - name: Disable SSH host key checking
+      run: |
+        echo "Disabling host key checking"
+        echo "  StrictHostKeyChecking no" >> ~/.ssh/config
+      shell: bash
+      if: ${{ inputs.known-hosts == null }}
+
+    - name: Install SSH key
+      run: |
+        echo "Installing SSH key"
+        echo "${{ inputs.ssh-key }}" > ~/.ssh/key
+        chmod 600 ~/.ssh/key
+      shell: bash
+      if: ${{ inputs.ssh-key != null }}
+
+    - name: Transfer files
+      run: |
+        echo "Transferring files"
+        rsync ${{ inputs.args }} "${{ inputs.source }}" "targethost:${{ inputs.target }}"
+      shell: bash
+
+    - name: Cleanup
+      run: |
+        echo "Cleaning up"
+        rm -f ~/.ssh/{config,key,known_hosts} || true
+      shell: bash