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Kubernetes cluster backup and restore using "etcdctl" tool
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| ETCD_VER=v3.5.0 | |
| # choose either URL | |
| GOOGLE_URL=https://storage.googleapis.com/etcd | |
| GITHUB_URL=https://github.com/etcd-io/etcd/releases/download | |
| DOWNLOAD_URL=${GOOGLE_URL} | |
| rm -f /tmp/etcd-${ETCD_VER}-linux-amd64.tar.gz | |
| rm -rf /tmp/etcd-download-test && mkdir -p /tmp/etcd-download-test | |
| curl -L ${DOWNLOAD_URL}/${ETCD_VER}/etcd-${ETCD_VER}-linux-amd64.tar.gz -o /tmp/etcd-${ETCD_VER}-linux-amd64.tar.gz | |
| tar xzvf /tmp/etcd-${ETCD_VER}-linux-amd64.tar.gz -C /tmp/etcd-download-test --strip-components=1 | |
| rm -f /tmp/etcd-${ETCD_VER}-linux-amd64.tar.gz | |
| /tmp/etcd-download-test/etcd --version | |
| /tmp/etcd-download-test/etcdctl version | |
| /tmp/etcd-download-test/etcdutl version | |
| mv /tmp/etcd-download-test/etcd /tmp/etcd-download-test/etcdctl /tmp/etcd-download-test/etcdutl /usr/local/bin |
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| // Do not forget to mention etcd API version 3 | |
| ETCDCTL_API=3 etcdctl \ | |
| --endpoints https://172.31.22.124:2379 \ | |
| --cacert=/etc/kubernetes/pki/etcd/ca.crt \ | |
| --cert=/etc/kubernetes/pki/etcd/server.crt \ | |
| --key=/etc/kubernetes/pki/etcd/server.key \ | |
| snapshot save snapshot-backup.db |
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