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Update etcd-backup-and-restore.md

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Mumshad Mannambeth 2019-05-03 12:44:31 +08:00 committed by GitHub
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practice-questions-answers/etcd-backup-and-restore.md
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@ -2,8 +2,27 @@
# 1. Get etcdctl utility if it's not already present. # 1. Get etcdctl utility if it's not already present.
Reference: https://github.com/etcd-io/etcd/releases
``` ```
go get github.com/coreos/etcd/etcdctl ETCD_VER=v3.3.13
# 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
ETCDCTL_API=3 /tmp/etcd-download-test/etcdctl version
mv /tmp/etcd-download-test/etcdctl /usr/bin
``` ```
# 2. Backup # 2. Backup
@ -33,6 +52,8 @@ ETCDCTL_API=3 etcdctl --endpoints=https://[127.0.0.1]:2379 --cacert=/etc/kuberne
# 4. Modify /etc/kubernetes/manifests/etcd.yaml # 4. Modify /etc/kubernetes/manifests/etcd.yaml
Update ETCD POD to use the new data directory and cluster token by modifying the pod definition file at `/etc/kubernetes/manifests/etcd.yaml`. When this file is updated, the ETCD pod is automatically re-created as thisis a static pod placed under the `/etc/kubernetes/manifests` directory.
Update --data-dir to use new target location Update --data-dir to use new target location
``` ```