nomad_client

nomad_client.sh

#!/bin/bash
# client install
export IP_ADDRESS=$(hostname -i)
echo $IP_ADDRESS
apt-get update
apt-get install -y unzip dnsmasq wget


# install nomad 
wget https://releases.hashicorp.com/nomad/0.8.4/nomad_0.8.4_linux_amd64.zip
unzip nomad_0.8.4_linux_amd64.zip -d /usr/local/bin/
mkdir -p /var/lib/nomad
mkdir -p /etc/nomad
rm nomad_0.8.4_linux_amd64.zip

cat > client.hcl <<EOF
addresses {
    rpc  = "ADVERTISE_ADDR"
    http = "ADVERTISE_ADDR"
}
advertise {
    http = "ADVERTISE_ADDR:4646"
    rpc  = "ADVERTISE_ADDR:4647"
}
bind_addr = "ADVERTISE_ADDR"
data_dir  = "/var/lib/nomad"
log_level = "DEBUG"
client {
    enabled = true
##可以填入多个serverIP
    servers = [
      "172.31.22.185"
    ]
    options {
        "driver.raw_exec.enable" = "1"
    }
}
EOF

sed -i "s/ADVERTISE_ADDR/${IP_ADDRESS}/" client.hcl
mv client.hcl /etc/nomad/client.hcl

cat > nomad.service <<'EOF'
[Unit]
Description=Nomad
Documentation=https://nomadproject.io/docs/
[Service]
ExecStart=/usr/local/bin/nomad agent -config /etc/nomad
ExecReload=/bin/kill -HUP $MAINPID
LimitNOFILE=65536
[Install]
WantedBy=multi-user.target
EOF

mv nomad.service /etc/systemd/system/nomad.service

systemctl enable nomad
systemctl start nomad

## Setup dnsmasq

mkdir -p /etc/dnsmasq.d
cat > /etc/dnsmasq.d/10-consul <<'EOF'
server=/consul/127.0.0.1#8600
EOF

cat > /etc/dnsmasq.d/20-fabio <<'EOF'
address=/.service/127.0.0.2
EOF

systemctl enable dnsmasq
systemctl start dnsmasq

## Install Docker
curl -fsSL get.docker.com -o get-docker.sh
sudo sh get-docker.sh