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high-availability.md: fix missing parameter values (#8444)

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- Use environment variables when redirecting to "/etc/etcd.env".
- Add more placeholder values for flags in "etcd.service" -> "ExecStart"

Fixes kubernetes/kubeadm#797
This commit is contained in:
Lubomir I. Ivanov
2018-05-18 02:00:51 +03:00
committed by k8s-ci-robot
parent e9c4637d92
commit 09e7d47a03
1 changed files with 5 additions and 5 deletions
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content/en/docs/setup/independent/high-availability.md
+5 -5
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@@ -235,8 +235,8 @@ Please select one of the tabs to see installation instructions for the respectiv
```
touch /etc/etcd.env
echo "PEER_NAME=" >> /etc/etcd.env
echo "PRIVATE_IP=" >> /etc/etcd.env
echo "PEER_NAME=${PEER_NAME}" >> /etc/etcd.env
echo "PRIVATE_IP=${PRIVATE_IP}" >> /etc/etcd.env
```
1. Now copy the systemd unit file like so:
@@ -257,14 +257,14 @@ Please select one of the tabs to see installation instructions for the respectiv
LimitNOFILE=40000
TimeoutStartSec=0
ExecStart=/usr/local/bin/etcd --name --data-dir /var/lib/etcd --listen-client-urls https://:2379 --advertise-client-urls https://:2379 --listen-peer-urls https://:2380 --initial-advertise-peer-urls https://:2380 --cert-file=/etc/kubernetes/pki/etcd/server.pem --key-file=/etc/kubernetes/pki/etcd/server-key.pem --client-cert-auth --trusted-ca-file=/etc/kubernetes/pki/etcd/ca.pem --peer-cert-file=/etc/kubernetes/pki/etcd/peer.pem --peer-key-file=/etc/kubernetes/pki/etcd/peer-key.pem --peer-client-cert-auth --peer-trusted-ca-file=/etc/kubernetes/pki/etcd/ca.pem --initial-cluster <etcd0>=https://<etcd0-ip-address>:2380,<etcd1>=https://<etcd1-ip-address>:2380,<etcd2>=https://<etcd2-ip-address>:2380 --initial-cluster-token my-etcd-token --initial-cluster-state new
ExecStart=/usr/local/bin/etcd --name <name> --data-dir /var/lib/etcd --listen-client-urls http://localhost:2379 --advertise-client-urls http://localhost:2379 --listen-peer-urls http://localhost:2380 --initial-advertise-peer-urls http://localhost:2380 --cert-file=/etc/kubernetes/pki/etcd/server.pem --key-file=/etc/kubernetes/pki/etcd/server-key.pem --client-cert-auth --trusted-ca-file=/etc/kubernetes/pki/etcd/ca.pem --peer-cert-file=/etc/kubernetes/pki/etcd/peer.pem --peer-key-file=/etc/kubernetes/pki/etcd/peer-key.pem --peer-client-cert-auth --peer-trusted-ca-file=/etc/kubernetes/pki/etcd/ca.pem --initial-cluster <etcd0>=https://<etcd0-ip-address>:2380,<etcd1>=https://<etcd1-ip-address>:2380,<etcd2>=https://<etcd2-ip-address>:2380 --initial-cluster-token my-etcd-token --initial-cluster-state new
[Install]
WantedBy=multi-user.target
EOF
```
Make sure you replace `<etcd0-ip-address>`, `<etcd1-ip-address>` and `<etcd2-ip-address>` with the appropriate IPv4 addresses. Also, make sure that you replace `<etcd0>`, `<etcd1>` and `<etcd2>` with real hostnames of each machine. These machines must be able to reach every other using DNS or make sure that records are added to `/etc/hosts`.
Make sure you replace `<etcd0-ip-address>`, `<etcd1-ip-address>` and `<etcd2-ip-address>` with the appropriate IPv4 addresses. Replace `<name>` with the name of this etcd member. Modify the values of `--listen-client-urls`, `--advertise-client-urls`, `--listen-peer-urls` and `--initial-advertise-peer-urls` if needed. Replace `<etcd0>`, `<etcd1>` and `<etcd2>` with real hostnames of each machine. These machines must be able to reach every other using DNS or make sure that records are added to `/etc/hosts`.
1. Finally, launch etcd like so:
@@ -297,7 +297,7 @@ Please select one of the tabs to see installation instructions for the respectiv
spec:
containers:
- command:
- etcd --name - --data-dir /var/lib/etcd - --listen-client-urls https://:2379 - --advertise-client-urls https://:2379 - --listen-peer-urls https://:2380 - --initial-advertise-peer-urls https://:2380 - --cert-file=/certs/server.pem - --key-file=/certs/server-key.pem - --client-cert-auth - --trusted-ca-file=/certs/ca.pem - --peer-cert-file=/certs/peer.pem - --peer-key-file=/certs/peer-key.pem - --peer-client-cert-auth - --peer-trusted-ca-file=/certs/ca.pem - --initial-cluster etcd0=https://<etcd0-ip-address>:2380,etcd1=https://<etcd1-ip-address>:2380,etcd2=https://<etcd2-ip-address>:2380 - --initial-cluster-token my-etcd-token - --initial-cluster-state new
- etcd --name <name> - --data-dir /var/lib/etcd - --listen-client-urls http://localhost:2379 - --advertise-client-urls http://localhost:2379 - --listen-peer-urls http://localhost:2380 - --initial-advertise-peer-urls http://localhost:2380 - --cert-file=/certs/server.pem - --key-file=/certs/server-key.pem - --client-cert-auth - --trusted-ca-file=/certs/ca.pem - --peer-cert-file=/certs/peer.pem - --peer-key-file=/certs/peer-key.pem - --peer-client-cert-auth - --peer-trusted-ca-file=/certs/ca.pem - --initial-cluster etcd0=https://<etcd0-ip-address>:2380,etcd1=https://<etcd1-ip-address>:2380,etcd2=https://<etcd2-ip-address>:2380 - --initial-cluster-token my-etcd-token - --initial-cluster-state new
image: k8s.gcr.io/etcd-amd64:3.1.10
livenessProbe:
httpGet: