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Streamline the etcd.service creation 

With this, the need for `mv` and `sed` is eliminated, the only casualty
is escaping the `\` in the heredoc and odd `"`. Perhaps the tradeoff is
worth it.
pull/35/head
Lisa Seelye 2016-07-16 14:39:36 -04:00
parent cd019aa31a
commit 46c4813972
1 changed files with 26 additions and 37 deletions
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63
docs/03-etcd.md
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@ -60,36 +60,6 @@ sudo mkdir -p /var/lib/etcd
Create the etcd systemd unit file: Create the etcd systemd unit file:
```
cat > etcd.service <<"EOF"
[Unit]
Description=etcd
Documentation=https://github.com/coreos
[Service]
ExecStart=/usr/bin/etcd --name ETCD_NAME \
--cert-file=/etc/etcd/kubernetes.pem \
--key-file=/etc/etcd/kubernetes-key.pem \
--peer-cert-file=/etc/etcd/kubernetes.pem \
--peer-key-file=/etc/etcd/kubernetes-key.pem \
--trusted-ca-file=/etc/etcd/ca.pem \
--peer-trusted-ca-file=/etc/etcd/ca.pem \
--initial-advertise-peer-urls https://INTERNAL_IP:2380 \
--listen-peer-urls https://INTERNAL_IP:2380 \
--listen-client-urls https://INTERNAL_IP:2379,http://127.0.0.1:2379 \
--advertise-client-urls https://INTERNAL_IP:2379 \
--initial-cluster-token etcd-cluster-0 \
--initial-cluster etcd0=https://10.240.0.10:2380,etcd1=https://10.240.0.11:2380,etcd2=https://10.240.0.12:2380 \
--initial-cluster-state new \
--data-dir=/var/lib/etcd
Restart=on-failure
RestartSec=5
[Install]
WantedBy=multi-user.target
EOF
```
``` ```
export INTERNAL_IP=$(curl -s -H "Metadata-Flavor: Google" \ export INTERNAL_IP=$(curl -s -H "Metadata-Flavor: Google" \
http://metadata.google.internal/computeMetadata/v1/instance/network-interfaces/0/ip) http://metadata.google.internal/computeMetadata/v1/instance/network-interfaces/0/ip)
@ -99,16 +69,35 @@ export INTERNAL_IP=$(curl -s -H "Metadata-Flavor: Google" \
export ETCD_NAME=$(hostname -s) export ETCD_NAME=$(hostname -s)
``` ```
```
sed -i s/INTERNAL_IP/$INTERNAL_IP/g etcd.service
```
``` ```
sed -i s/ETCD_NAME/$ETCD_NAME/g etcd.service sudo sh "cat > /etc/systemd/system/etcd.service <<EOF
``` [Unit]
Description=etcd
Documentation=https://github.com/coreos
``` [Service]
sudo mv etcd.service /etc/systemd/system/ ExecStart=/usr/bin/etcd --name $ETCD_NAME \\
--cert-file=/etc/etcd/kubernetes.pem \\
--key-file=/etc/etcd/kubernetes-key.pem \\
--peer-cert-file=/etc/etcd/kubernetes.pem \\
--peer-key-file=/etc/etcd/kubernetes-key.pem \\
--trusted-ca-file=/etc/etcd/ca.pem \\
--peer-trusted-ca-file=/etc/etcd/ca.pem \\
--initial-advertise-peer-urls https://$INTERNAL_IP:2380 \\
--listen-peer-urls https://$INTERNAL_IP:2380 \\
--listen-client-urls https://$INTERNAL_IP:2379,http://127.0.0.1:2379 \\
--advertise-client-urls https://$INTERNAL_IP:2379 \\
--initial-cluster-token etcd-cluster-0 \\
--initial-cluster etcd0=https://10.240.0.10:2380,etcd1=https://10.240.0.11:2380,etcd2=https://10.240.0.12:2380 \\
--initial-cluster-state new \\
--data-dir=/var/lib/etcd
Restart=on-failure
RestartSec=5
[Install]
WantedBy=multi-user.target
EOF"
``` ```
Start etcd: Start etcd: