Etcd for SUSE¶
Right now, there is no distro package available for etcd3. This guide uses the tarball installation as a workaround until proper distro packages are available.
The etcd service runs on the controller node.
コンポーネントのインストールと設定¶
Install etcd:
Create etcd user:
# groupadd --system etcd # useradd --home-dir "/var/lib/etcd" \ --system \ --shell /bin/false \ -g etcd \ etcd
Create the necessary directories:
# mkdir -p /etc/etcd # chown etcd:etcd /etc/etcd # mkdir -p /var/lib/etcd # chown etcd:etcd /var/lib/etcd
Determine your system architecture:
# uname -m
Download and install the etcd tarball for x86_64/amd64:
# ETCD_VER=v3.2.7 # rm -rf /tmp/etcd && mkdir -p /tmp/etcd # curl -L \ https://github.com/coreos/etcd/releases/download/${ETCD_VER}/etcd-${ETCD_VER}-linux-amd64.tar.gz \ -o /tmp/etcd-${ETCD_VER}-linux-amd64.tar.gz # tar xzvf /tmp/etcd-${ETCD_VER}-linux-amd64.tar.gz \ -C /tmp/etcd --strip-components=1 # cp /tmp/etcd/etcd /usr/bin/etcd # cp /tmp/etcd/etcdctl /usr/bin/etcdctl
Or download and install the etcd tarball for arm64:
# ETCD_VER=v3.2.7 # rm -rf /tmp/etcd && mkdir -p /tmp/etcd # curl -L \ https://github.com/coreos/etcd/releases/download/${ETCD_VER}/etcd-${ETCD_VER}-linux-arm64.tar.gz \ -o /tmp/etcd-${ETCD_VER}-linux-arm64.tar.gz # tar xzvf /tmp/etcd-${ETCD_VER}-linux-arm64.tar.gz \ -C /tmp/etcd --strip-components=1 # cp /tmp/etcd/etcd /usr/bin/etcd # cp /tmp/etcd/etcdctl /usr/bin/etcdctl
Create and edit the
/etc/etcd/etcd.conf.yml
file and set theinitial-cluster
,initial-advertise-peer-urls
,advertise-client-urls
,listen-client-urls
to the management IP address of the controller node to enable access by other nodes via the management network:name: controller data-dir: /var/lib/etcd initial-cluster-state: 'new' initial-cluster-token: 'etcd-cluster-01' initial-cluster: controller=http://10.0.0.11:2380 initial-advertise-peer-urls: http://10.0.0.11:2380 advertise-client-urls: http://10.0.0.11:2379 listen-peer-urls: http://0.0.0.0:2380 listen-client-urls: http://10.0.0.11:2379
Create and edit the
/usr/lib/systemd/system/etcd.service
file:[Unit] After=network.target Description=etcd - highly-available key value store [Service] # Uncomment this on ARM64. # Environment="ETCD_UNSUPPORTED_ARCH=arm64" LimitNOFILE=65536 Restart=on-failure Type=notify ExecStart=/usr/bin/etcd --config-file /etc/etcd/etcd.conf.yml User=etcd [Install] WantedBy=multi-user.target
Reload systemd service files with:
# systemctl daemon-reload
インストールの最終作業¶
Enable and start the etcd service:
# systemctl enable etcd # systemctl start etcd