@@ -720,11 +720,11 @@ EXTRA_CACHE_URLS=""

 # etcd3 defaults

 ETCD_VERSION=${ETCD_VERSION:-v3.1.10}

-ETCD_SHA256_AMD64="2d335f298619c6fb02b1124773a56966e448ad9952b26fea52909da4fe80d2be"

+ETCD_SHA256_AMD64=${ETCD_SHA256_AMD64:-"2d335f298619c6fb02b1124773a56966e448ad9952b26fea52909da4fe80d2be"}

 # NOTE(sdague): etcd v3.1.10 doesn't have anything for these architectures, though 3.2.x does.

-ETCD_SHA256_ARM64=""

-ETCD_SHA256_PPC64=""

-ETCD_SHA256_S390X=""

+ETCD_SHA256_ARM64=${ETCD_SHA256_ARM64:-""}

+ETCD_SHA256_PPC64=${ETCD_SHA256_PPC64:-""}

+ETCD_SHA256_S390X=${ETCD_SHA256_S390X:-""}

 # Make sure etcd3 downloads the correct architecture

 if is_arch "x86_64"; then

     ETCD_ARCH="amd64"