@@ -29,6 +29,10 @@ ETCD_VERSION=${ETCD_VERSION:-v3.1.7}

 ETCD_DATA_DIR="$DEST/data/etcd"

 ETCD_SYSTEMD_SERVICE="devstack@etcd.service"

 ETCD_BIN_DIR="$DEST/bin"

+ETCD_SHA256_AMD64="4fde194bbcd259401e2b5c462dfa579ee7f6af539f13f130b8f5b4f52e3b3c52"

+# NOTE(sdague): etcd v3.1.7 doesn't have anything for these architectures, though 3.2.0 does.

+ETCD_SHA256_ARM64=""

+ETCD_SHA256_PPC64=""

 if is_ubuntu ; then

     UBUNTU_RELEASE_BASE_NUM=`lsb_release -r | awk '{print $2}' | cut -d '.' -f 1`

@@ -97,14 +101,19 @@ function _install_etcd {

     # Make sure etcd3 downloads the correct architecture

     if is_arch "x86_64"; then

         ETCD_ARCH="amd64"

+        ETCD_SHA256=${ETCD_SHA256:-$ETCD_SHA256_AMD64}

     elif is_arch "aarch64"; then

         ETCD_ARCH="arm64"

+        ETCD_SHA256=${ETCD_SHA256:-$ETCD_SHA256_ARM64}

     elif is_arch "ppc64le"; then

         ETCD_ARCH="ppc64le"

+        ETCD_SHA256=${ETCD_SHA256:-$ETCD_SHA256_PPC64}

     else

         exit_distro_not_supported "invalid hardware type - $ETCD_ARCH"

     fi

+    ETCD_NAME=etcd-$ETCD_VERSION-linux-$ETCD_ARCH

+

     # Install the libraries needed. Note: tooz for example does not have a hard dependency on these libraries

     pip_install etcd3

     pip_install etcd3gw

@@ -114,21 +123,18 @@ function _install_etcd {

     sudo mkdir -p $ETCD_DATA_DIR

     # Download and cache the etcd tgz for subsequent use

-    if [ ! -f "$DEST/etcd/etcd-$ETCD_VERSION-linux-$ETCD_ARCH/etcd" ]; then

-        mkdir -p $DEST/etcd

-        ETCD_DOWNLOAD_FILE=etcd-$ETCD_VERSION-linux-$ETCD_ARCH.tar.gz

-        wget $ETCD_DOWNLOAD_URL/$ETCD_VERSION/$ETCD_DOWNLOAD_FILE -O $DEST/etcd/$ETCD_DOWNLOAD_FILE

-        wget $ETCD_DOWNLOAD_URL/$ETCD_VERSION/$ETCD_DOWNLOAD_FILE.asc -O $DEST/etcd/$ETCD_DOWNLOAD_FILE.asc

-

-        # use gpg to verify the artifact, use a backup key server in case the first one is down for some reason

-        gpg --keyserver hkps.pool.sks-keyservers.net --recv-key FC8A365E || gpg --keyserver pgpkeys.mit.edu --recv-key FC8A365E

-        gpg --verify $DEST/etcd/$ETCD_DOWNLOAD_FILE.asc $DEST/etcd/$ETCD_DOWNLOAD_FILE

-

-        tar xzvf $DEST/etcd/$ETCD_DOWNLOAD_FILE -C $DEST/etcd

-        sudo cp $DEST/etcd/etcd-$ETCD_VERSION-linux-$ETCD_ARCH/etcd $ETCD_BIN_DIR/etcd

+    if [ ! -f "files/etcd-$ETCD_VERSION-linux-$ETCD_ARCH/etcd" ]; then

+        ETCD_DOWNLOAD_FILE=$ETCD_NAME.tar.gz

+        wget $ETCD_DOWNLOAD_URL/$ETCD_VERSION/$ETCD_DOWNLOAD_FILE -O files/$ETCD_DOWNLOAD_FILE

+        echo "${ETCD_SHA256} files/${ETCD_DOWNLOAD_FILE}" > files/etcd.sha256sum

+        # NOTE(sdague): this should go fatal if this fails

+        sha256sum -c files/etcd.sha256sum

+

+        tar xzvf files/$ETCD_DOWNLOAD_FILE -C files

+        sudo cp files/$ETCD_NAME/etcd $ETCD_BIN_DIR/etcd

     fi

     if [ ! -f "$ETCD_BIN_DIR/etcd" ]; then

-        sudo cp $DEST/etcd/etcd-$ETCD_VERSION-linux-$ETCD_ARCH/etcd $ETCD_BIN_DIR/etcd

+        sudo cp files/$ETCD_NAME/etcd $ETCD_BIN_DIR/etcd

     fi

 }