Devstack fail with etcd packages could not be found on AArch64

[Kevin Zhao]

++functions-common:is_arch:421 uname -m
+functions-common:is_arch:421 [[ aarch64 == \a\a\r\c\h\6\4 ]]
+lib/etcd3:install_etcd3:100 ETCD_ARCH=arm64
+lib/etcd3:install_etcd3:101 ETCD_SHA256=
+lib/etcd3:install_etcd3:109
ETCD_NAME=etcd-v3.1.7-linux-arm64
+lib/etcd3:install_etcd3:112 sudo mkdir -p /opt/stack/bin
+lib/etcd3:install_etcd3:113 sudo mkdir -p
/opt/stack/data/etcd
+lib/etcd3:install_etcd3:116 '[' '!' -f
/opt/stack/devstack/files/etcd-v3.1.7-linux-arm64/etcd ']'
+lib/etcd3:install_etcd3:113 sudo mkdir -p
/opt/stack/data/etcd
+lib/etcd3:install_etcd3:116 '[' '!' -f
/opt/stack/devstack/files/etcd-v3.1.7-linux-arm64/etcd ']'
+lib/etcd3:install_etcd3:117
ETCD_DOWNLOAD_FILE=etcd-v3.1.7-linux-arm64.tar.gz+lib/etcd3:install_etcd3:118
'[' '!' -f /opt/stack/devstack/files/etcd-v3.1.7-linux-arm64.tar.gz ']'
+lib/etcd3:install_etcd3:119 wget
https://github.com/coreos/etcd/releases/download/v3.1.7/etcd-v3.1.7-linux-arm64.tar.gz
-O /opt/stack/devstack/files/etcd-v3.1.7-linux-arm64.tar.gz
--2017-08-03 08:42:29--
https://github.com/coreos/etcd/releases/download/v3.1.7/etcd-v3.1.7-linux-arm64.tar.gz
Resolving github.com (github.com)... 192.30.253.113, 192.30.253.112
Connecting to github.com (github.com)|192.30.253.113|:443... connected.
HTTP request sent, awaiting response... 404 Not Found
2017-08-03 08:42:30 ERROR 404: Not Found.

[Kevin Zhao (kevin-zhao)]

We could set the version below to fix this bug.
ETCD_VERSION=v3.2.4

[OpenStack Infra (hudson-openstack)]

Change abandoned by Kevin Zhao (<email address hidden>) on branch: master
Review: https://review.openstack.org/490808