[calico] support alternate download url

roles/download/defaults/main.yml

@@ -138,6 +138,7 @@ etcd_download_url: "https://github.com/etcd-io/etcd/releases/download/{{ etcd_ve
 flannel_cni_download_url: "https://github.com/flannel-io/cni-plugin/releases/download/{{ flannel_cni_version }}/flannel-{{ image_arch }}"
 cni_download_url: "https://github.com/containernetworking/plugins/releases/download/{{ cni_version }}/cni-plugins-linux-{{ image_arch }}-{{ cni_version }}.tgz"
 calicoctl_download_url: "https://github.com/projectcalico/calicoctl/releases/download/{{ calico_ctl_version }}/calicoctl-linux-{{ image_arch }}"
+calicoctl_alternate_download_url: "https://github.com/projectcalico/calico/releases/download/{{ calico_ctl_version }}/calicoctl-linux-{{ image_arch }}"
 calico_crds_download_url: "https://github.com/projectcalico/calico/archive/{{ calico_version }}.tar.gz"
 crictl_download_url: "https://github.com/kubernetes-sigs/cri-tools/releases/download/{{ crictl_version }}/crictl-{{ crictl_version }}-{{ ansible_system | lower }}-{{ image_arch }}.tar.gz"
 helm_download_url: "https://get.helm.sh/helm-{{ helm_version }}-linux-{{ image_arch }}.tar.gz"
@@ -995,6 +996,9 @@ downloads:
     dest: "{{ local_release_dir }}/calicoctl"
     sha256: "{{ calicoctl_binary_checksum }}"
     url: "{{ calicoctl_download_url }}"
+    mirrors:
+    - "{{ calicoctl_alternate_download_url }}"
+    - "{{ calicoctl_download_url }}"
     unarchive: false
     owner: "root"
     mode: "0755"