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Kelsey Hightower 2016-07-07 08:06:53 -07:00
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docs/etcd.md
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@ -1,8 +1,15 @@
# etcd # Bootstrapping a H/A etcd cluster
Setup a 3 node etcd cluster. In this lab you will bootstrap a 3 node etcd cluster. The following virtual machines will be used:
### Copy TLS Certs ````
NAME ZONE MACHINE_TYPE INTERNAL_IP STATUS
etcd0 us-central1-f n1-standard-1 10.240.0.10 RUNNING
etcd1 us-central1-f n1-standard-1 10.240.0.11 RUNNING
etcd2 us-central1-f n1-standard-1 10.240.0.12 RUNNING
````
## Copy TLS Certs
``` ```
gcloud compute copy-files ca.pem kubernetes-key.pem kubernetes.pem etcd0:~/ gcloud compute copy-files ca.pem kubernetes-key.pem kubernetes.pem etcd0:~/
@ -16,14 +23,16 @@ gcloud compute copy-files ca.pem kubernetes-key.pem kubernetes.pem etcd1:~/
gcloud compute copy-files ca.pem kubernetes-key.pem kubernetes.pem etcd2:~/ gcloud compute copy-files ca.pem kubernetes-key.pem kubernetes.pem etcd2:~/
``` ```
## Provision the etcd Cluster
## etcd0 ### etcd0
``` ```
gcloud compute ssh etcd0 gcloud compute ssh etcd0
``` ```
Move the TLS certificates in place:
``` ```
sudo mkdir -p /etc/etcd/ sudo mkdir -p /etc/etcd/
@ -33,6 +42,8 @@ sudo mkdir -p /etc/etcd/
sudo mv ca.pem kubernetes-key.pem kubernetes.pem /etc/etcd/ sudo mv ca.pem kubernetes-key.pem kubernetes.pem /etc/etcd/
``` ```
Download and install the etcd binaries:
``` ```
wget https://github.com/coreos/etcd/releases/download/v3.0.1/etcd-v3.0.1-linux-amd64.tar.gz wget https://github.com/coreos/etcd/releases/download/v3.0.1/etcd-v3.0.1-linux-amd64.tar.gz
``` ```
@ -53,6 +64,8 @@ sudo cp etcd-v3.0.1-linux-amd64/etcd /usr/bin/
sudo mkdir -p /var/lib/etcd sudo mkdir -p /var/lib/etcd
``` ```
Create the etcd systemd unit file:
``` ```
sudo sh -c 'echo "[Unit] sudo sh -c 'echo "[Unit]
Description=etcd Description=etcd
@ -81,12 +94,16 @@ RestartSec=5
WantedBy=multi-user.target" > /etc/systemd/system/etcd.service' WantedBy=multi-user.target" > /etc/systemd/system/etcd.service'
``` ```
Start etcd:
``` ```
sudo systemctl daemon-reload sudo systemctl daemon-reload
sudo systemctl enable etcd sudo systemctl enable etcd
sudo systemctl start etcd sudo systemctl start etcd
``` ```
### Verification
``` ```
sudo systemctl status etcd sudo systemctl status etcd
``` ```
@ -102,12 +119,14 @@ error #0: client: endpoint http://127.0.0.1:2379 exceeded header timeout
error #1: dial tcp 127.0.0.1:4001: getsockopt: connection refused error #1: dial tcp 127.0.0.1:4001: getsockopt: connection refused
``` ```
## etcd1 ### etcd1
``` ```
gcloud compute ssh etcd1 gcloud compute ssh etcd1
``` ```
Move the TLS certificates in place:
``` ```
sudo mkdir -p /etc/etcd/ sudo mkdir -p /etc/etcd/
``` ```
@ -116,6 +135,8 @@ sudo mkdir -p /etc/etcd/
sudo mv ca.pem kubernetes-key.pem kubernetes.pem /etc/etcd/ sudo mv ca.pem kubernetes-key.pem kubernetes.pem /etc/etcd/
``` ```
Download and install the etcd binaries:
``` ```
wget https://github.com/coreos/etcd/releases/download/v3.0.1/etcd-v3.0.1-linux-amd64.tar.gz wget https://github.com/coreos/etcd/releases/download/v3.0.1/etcd-v3.0.1-linux-amd64.tar.gz
``` ```
@ -136,6 +157,8 @@ sudo cp etcd-v3.0.1-linux-amd64/etcd /usr/bin/
sudo mkdir /var/lib/etcd sudo mkdir /var/lib/etcd
``` ```
Create the etcd systemd unit file:
``` ```
sudo sh -c 'echo "[Unit] sudo sh -c 'echo "[Unit]
Description=etcd Description=etcd
@ -164,12 +187,16 @@ RestartSec=5
WantedBy=multi-user.target" > /etc/systemd/system/etcd.service' WantedBy=multi-user.target" > /etc/systemd/system/etcd.service'
``` ```
Start etcd:
``` ```
sudo systemctl daemon-reload sudo systemctl daemon-reload
sudo systemctl enable etcd sudo systemctl enable etcd
sudo systemctl start etcd sudo systemctl start etcd
``` ```
#### Verification
``` ```
sudo systemctl status etcd sudo systemctl status etcd
``` ```
@ -185,12 +212,14 @@ member ffed16798470cab5 is healthy: got healthy result from https://10.240.0.11:
cluster is healthy cluster is healthy
``` ```
## etcd2 ### etcd2
``` ```
gcloud compute ssh etcd2 gcloud compute ssh etcd2
``` ```
Move the TLS certificates in place:
``` ```
sudo mkdir -p /etc/etcd/ sudo mkdir -p /etc/etcd/
``` ```
@ -199,6 +228,8 @@ sudo mkdir -p /etc/etcd/
sudo mv ca.pem kubernetes-key.pem kubernetes.pem /etc/etcd/ sudo mv ca.pem kubernetes-key.pem kubernetes.pem /etc/etcd/
``` ```
Download and install the etcd binaries:
``` ```
wget https://github.com/coreos/etcd/releases/download/v3.0.1/etcd-v3.0.1-linux-amd64.tar.gz wget https://github.com/coreos/etcd/releases/download/v3.0.1/etcd-v3.0.1-linux-amd64.tar.gz
``` ```
@ -219,6 +250,8 @@ sudo cp etcd-v3.0.1-linux-amd64/etcd /usr/bin/
sudo mkdir /var/lib/etcd sudo mkdir /var/lib/etcd
``` ```
Create the etcd systemd unit file:
``` ```
sudo sh -c 'echo "[Unit] sudo sh -c 'echo "[Unit]
Description=etcd Description=etcd
@ -247,12 +280,16 @@ RestartSec=5
WantedBy=multi-user.target" > /etc/systemd/system/etcd.service' WantedBy=multi-user.target" > /etc/systemd/system/etcd.service'
``` ```
Start etcd:
``` ```
sudo systemctl daemon-reload sudo systemctl daemon-reload
sudo systemctl enable etcd sudo systemctl enable etcd
sudo systemctl start etcd sudo systemctl start etcd
``` ```
#### Verification
``` ```
sudo systemctl status etcd sudo systemctl status etcd
``` ```