if [[ $(readlink etcd) == etcd-v${ETCD_VERSION}-${os}-* ]]; then
      V=3 kube::log::info "etcd v${ETCD_VERSION} is already installed"
      return 0 # already installed
    fi

    if [[ ${os} == "darwin" ]]; then
      download_file="etcd-v${ETCD_VERSION}-${os}-${arch}.zip"
      url="https://github.com/etcd-io/etcd/releases/download/v${ETCD_VERSION}/${download_file}"

            ],
    "env": [
      { "name": "TARGET_STORAGE",
        "value": "{{ pillar.get('storage_backend', 'etcd3') }}"
      },
      { "name": "TARGET_VERSION",
        "value": "{{ pillar.get('etcd_version', '3.5.12') }}"
      },
      {
        "name": "DO_NOT_MOVE_BINARIES",
        "value": "true"
      },
      { "name": "DATA_DIRECTORY",
        "value": "/var/etcd/data{{ suffix }}"
      },

	return nil
}

// SetEtcdVersionKeyValue writes the given version to the etcd 'etcd_version' key.
// If no error is returned, the write was successful, indicating the etcd server is available
// and able to perform consensus writes.
func (e *CombinedEtcdClient) SetEtcdVersionKeyValue(version *EtcdVersion) error {
	return e.Put(version, "etcd_version", version.String())
}

// Put write a single key value pair to etcd.

Windows images can be built on Linux nodes due to `docker buildx`, but they will
only be created and pushed when using the `all-push` make target.

#### How to release

First, update `ETCD_VERSION` and `REVSION` in the `Makefile`.

Next, build and test the image:

```console
$ make build test
```

Last, build and push the docker images for all supported architectures.

```console

export KUBE_GCE_ENABLE_IP_ALIASES=true
export SECONDARY_RANGE_NAME="pods-default"
export STORAGE_BACKEND="etcd3"
export STORAGE_MEDIA_TYPE="application/vnd.kubernetes.protobuf"
export ETCD_IMAGE=3.5.14-0
export ETCD_VERSION=3.5.14

# Upgrade master with updated kube envs
"${KUBE_ROOT}/cluster/gce/upgrade.sh" -M -l

delete-k8s-node-routes