GH action to copy images from sigwindowstools/ to ghcr.io (#213)

* GH action to copy images from sigwindowstools/ to ghcr.io

* Updating GH action to use regsync instead of regctl to sync multiple images at once

Author: marosset

.github/workflows/sync-registries.yml

@@ -0,0 +1,25 @@
+name: sync-registries
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  packages: write
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - uses: actions/checkout@v2
+      - name: copy image
+        run: |
+          curl -L https://github.com/regclient/regclient/releases/download/v0.4.2/regsync-linux-amd64 -o regsync
+          chmod +x regsync
+          ./regsync version
+          ./regsync once -c hack/regsync.yaml

hack/regsync.yaml

@@ -0,0 +1,14 @@
+version: 1
+sync:
+  - source: sigwindowstools/kube-proxy
+    target: ghcr.io/kubernetes-sigs/sig-windows/kube-proxy
+    type: repository
+    tags:
+      allow:
+        - "*-calico-hostprocess"
+  - source: sigwindowstools/calico-node
+    target: ghcr.io/kubernetes-sigs/sig-windows/calico-node
+    type: repository
+  - source: sigwindowstools/calico-install
+    target: ghcr.io/kubernetes-sigs/sig-windows/calico-install
+    type: repository