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90 lines
1.7 KiB
Bash
90 lines
1.7 KiB
Bash
#!/bin/bash
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# Hashicorp Consul bootstrap script
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# Params:
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# server : if present, bootstraps a server
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# bind : bind interface address
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# server-ip : server ip address
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# exit on error
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set -e
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# create directory if doesn't exist and set permissions
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mkdir -p /etc/consul.d/ && chown -R consul:consul /etc/consul.d/
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# write systemd conf
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cat >>/etc/systemd/system/consul.service <<EOF
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[Unit]
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Description="HashiCorp Consul - A service mesh solution"
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Documentation=https://www.consul.io/
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Requires=network-online.target
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After=network-online.target
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ConditionFileNotEmpty=/etc/consul.d/consul.hcl
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[Service]
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EnvironmentFile=/etc/consul.d/consul.env
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User=consul
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Group=consul
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ExecStart=/usr/bin/consul agent -config-dir=/etc/consul.d/
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ExecReload=/bin/kill --signal HUP $MAINPID
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KillMode=process
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KillSignal=SIGTERM
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Restart=on-failure
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LimitNOFILE=65536
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[Install]
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WantedBy=multi-user.target
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EOF
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# reload systemd
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systemctl daemon-reload
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# parameter setup
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consultype="client"
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bind_ip=""
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server_ip=""
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# read parameters
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while [[ "$#" -gt 0 ]]
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do
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case $1 in
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-server)
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consultype="server"
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;;
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-bind)
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bind_ip="$2"
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;;
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-server-ip)
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server_ip="$2"
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;;
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esac
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shift
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done
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# write config file
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if [ $consultype -eq "client" ]
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then
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cat >> /etc/consul.d/consul.hcl <<EOF
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datacenter = "dc1"
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data_dir = "/opt/consul"
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client_addr = $bind_ip
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retry_join = ["$server_ip"]
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EOF
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chmod 640 /etc/consul.d/consul.hcl
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else
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cat >> /etc/consul.d/server.hcl <<EOF
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datacenter = "dc1"
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data_dir = "/opt/consul"
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bind_addr = $bind_ip
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server = true
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bootstrap_expect = 1
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EOF
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chmod 640 /etc/consul.d/server.hcl
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fi
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echo "Done! Please launch with systemctl start consul"
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