Fix multi-arch support for releases

Signed-off-by: Wang Long <long.wanglong@huawei.com>

Dockerfile.dapper

@@ -39,7 +39,7 @@ ARG BUILD_DOCKER_URL_arm64=https://github.com/rancher/docker/releases/download/$
 ARG TOOLCHAIN_arm64=aarch64-linux-gnu
 ARG TOOLCHAIN_arm=arm-linux-gnueabihf
 
-ARG OS_RELEASES_YML=https://releases.rancher.com/os/releases.yml
+ARG OS_RELEASES_YML=https://releases.rancher.com/os
 ARG VBOX_MODULES_URL_amd64=https://github.com/rancher/os-vbox/releases/download/v0.0.2/vbox-modules.tar.gz
 
 ARG OS_SERVICES_REPO=https://raw.githubusercontent.com/${OS_REPO}/os-services

os-config.tpl.yml

@@ -353,7 +353,7 @@ rancher:
       -p, /var/run/system-docker.pid, --exec-root=/var/run/system-docker, --config-file=/etc/docker/system-daemon.json,
       -H, 'unix:///var/run/system-docker.sock', --userland-proxy=false]
   upgrade:
-    url: {{.OS_RELEASES_YML}}
+    url: {{.OS_RELEASES_YML}}/releases{{.SUFFIX}}.yml
     image: {{.OS_REPO}}/os
   docker:
     tls_args: [--tlsverify, --tlscacert=/etc/docker/tls/ca.pem, --tlscert=/etc/docker/tls/server-cert.pem, --tlskey=/etc/docker/tls/server-key.pem,