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Merge pull request #40 from isovalent/change-ami-to-amazon-linux
AMI: change to Amazon Linux 2
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| #!/bin/bash | ||
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| # Install necessary packages | ||
| sudo yum install -y docker | ||
| sudo yum install -y bind-utils | ||
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| # Ensure Docker is installed and running | ||
| sudo systemctl enable docker.service | ||
| sudo systemctl start docker.service | ||
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| # Mask locksmithd.service (not applicable in all environments, adjust as needed) | ||
| sudo systemctl mask locksmithd.service | ||
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| # Create necessary directories with permissions | ||
| mkdir -p /etc/ssl/etcd /var/lib/etcd /opt/bootstrap /etc/etcd | ||
| chmod 700 /var/lib/etcd | ||
| chmod 500 /etc/ssl/etcd | ||
| chown 232:232 /var/lib/etcd | ||
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| # Create necessary files with contents | ||
| echo -e "#!/bin/bash -e\nmkdir -p /etc/ssl/etcd\nmkdir -p /var/lib/etcd\nchown -R etcd:etcd /etc/ssl/etcd\nchmod -R 500 /etc/ssl/etcd\nchmod -R 700 /var/lib/etcd" > /opt/bootstrap/layout | ||
| chmod 0544 /opt/bootstrap/layout | ||
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| echo "fs.inotify.max_user_watches=16184" > /etc/sysctl.d/max-user-watches.conf | ||
| sysctl --system | ||
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| # etcd environment configuration | ||
| cat << EOF > /etc/etcd/etcd.env | ||
| ETCD_NAME=${etcd_name} | ||
| ETCD_DATA_DIR=/var/lib/etcd | ||
| ETCD_ADVERTISE_CLIENT_URLS=http://${etcd_domain}:2379 | ||
| ETCD_INITIAL_ADVERTISE_PEER_URLS=${etcd_peer_url} | ||
| ETCD_LISTEN_CLIENT_URLS=http://0.0.0.0:2379 | ||
| ETCD_LISTEN_PEER_URLS=http://0.0.0.0:2380 | ||
| ETCD_INITIAL_CLUSTER=${etcd_initial_cluster} | ||
| EOF | ||
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| # Systemd service for etcd | ||
| cat << EOF > /etc/systemd/system/etcd-member.service | ||
| [Unit] | ||
| Description=etcd (System Container) | ||
| Documentation=https://github.com/etcd-io/etcd | ||
| Requires=docker.service | ||
| After=docker.service | ||
| [Service] | ||
| ExecStartPre=/usr/bin/docker run -d \\ | ||
| --name etcd \\ | ||
| --network host \\ | ||
| --env-file /etc/etcd/etcd.env \\ | ||
| --user 232:232 \\ | ||
| --volume /etc/ssl/etcd:/etc/ssl/certs:ro \\ | ||
| --volume /var/lib/etcd:/var/lib/etcd:rw \\ | ||
| gcr.io/etcd-development/etcd:v3.5.4 | ||
| ExecStart=/usr/bin/docker exec etcd etcd | ||
| ExecStop=/usr/bin/docker stop etcd | ||
| ExecStopPost=/usr/bin/docker rm etcd | ||
| Restart=always | ||
| RestartSec=10s | ||
| TimeoutStartSec=0 | ||
| LimitNOFILE=40000 | ||
| [Install] | ||
| WantedBy=multi-user.target | ||
| EOF | ||
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| # Enable and start etcd-member.service | ||
| sudo systemctl daemon-reload | ||
| sudo systemctl enable etcd-member.service | ||
| sudo systemctl start etcd-member.service | ||
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| # Wait for DNS service script | ||
| cat << EOF > /opt/wait-for-dns.sh | ||
| #!/bin/bash | ||
| while ! /usr/bin/grep '^[^#[:space:]]' /etc/resolv.conf > /dev/null; do sleep 1; done | ||
| EOF | ||
| chmod +x /opt/wait-for-dns.sh | ||
| /opt/wait-for-dns.sh | ||
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| # Bootstrap service script | ||
| if [ ! -f /opt/bootstrap/bootstrap.done ]; then | ||
| /opt/bootstrap/layout | ||
| touch /opt/bootstrap/bootstrap.done | ||
| fi |
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