get-consul.sh

#!/usr/bin/env bash

## Get and run consul agent from within VMM ignite-firecracker

app="consul"

echo "Creating /tmp/${app}"
mkdir -p /tmp/${app} > /dev/null 2>&1

cat << EON > /tmp/${app}-config.json
{
    "server": false,
    "datacenter": "mlb",
    "domain": "chrisbergeron.com",
    "data_dir": "/tmp/consul-dir",
    "enable_syslog": true,
    "enable_script_checks": true,
    "ui_config": { "enabled": true },
    "telemetry": { "disable_compat_1.9": true },
    "bind_addr": "{{ GetPrivateInterfaces | include \"network\" \"192.168.0.0/24\" | attr \"address\" }}",
    "encrypt": "${CONSUL_TOKEN}",

    "node_name": "$(hostname)",
    "client_addr": "$(ip addr | grep 192 | tr -s " " | cut -f1 -d "/" | cut -f3 -d " ")",
    "rejoin_after_leave": true,
    "retry_join": [
        "192.168.0.243",
        "192.168.0.158"
    ],
    "dns_config": {
      "node_ttl": "1m",
      "service_ttl": {
        "*": "1m"
      }
    },

    "addresses": {
      "dns": "127.0.0.1 {{GetPrivateIP}}",
      "grpc": "127.0.0.1 {{GetPrivateIP}}",
      "https": "127.0.0.1 {{GetPrivateIP}}"
    },

    "ports": {
      "https": 8501,
      "grpc":  8502
    },
    "connect": { "enabled": true },
    "key_file": "/tmp/privkey.pem",
    "cert_file": "/tmp/cert.pem",
    "ca_file": "/tmp/chain.pem"
}
EON


latest=$(curl -s GET https://api.github.com/repos/hashicorp/${app}/tags | grep --color=never "name" | cut -f2 -d ":" | cut -f2 -d "\"" | head -n1 | cut -f2 -d"v")

# 32 bit
# https://releases.hashicorp.com/${app}/1.2.2/${app}_1.2.2_linux_386.zip
# 64 bit
# https://releases.hashicorp.com/${app}/1.2.2/${app}_1.2.2_linux_amd64.zip
# arm 64
# https://releases.hashicorp.com/${app}/1.2.2/${app}_1.2.2_linux_arm64.zip
# arm
# https://releases.hashicorp.com/${app}/1.2.2/${app}_1.2.2_linux_arm.zip

thisarch=$(uname -m)

case "${thisarch}" in
  "armv7") archstr="arm";;     # Pi
  "armv7l") archstr="arm";;    # Pi 4
  "arm64") archstr="arm64";;   # M1
  "x86_64") archstr="amd64";;  # x86
  "i386") archstr="386";;      # old x86
  *) echo "Couldn't determine archstr from ${thisarch}"; exit 1;;
esac

echo "thisarch is: ${thisarch}; archstr is ${archstr}"
#exit

cd /tmp
echo "Removing any existing ${app} artifacts..."
rm -rf /tmp/${app}
rm -rf /tmp/consul-dir
#rm -rf /tmp/alloc/
#rm -rf /tmp/checkpoint-signature

echo curl -ks "https://releases.hashicorp.com/${app}/${latest}/${app}_${latest}_linux_${archstr}.zip -o - | busybox unzip -"
curl -ks "https://releases.hashicorp.com/${app}/${latest}/${app}_${latest}_linux_${archstr}.zip" -o - | busybox unzip -
chmod oag+x /tmp/${app}

echo "Starting ${app} as client ..."

echo /tmp/${app} agent -config-file=/tmp/${app}-config.json
/tmp/${app} agent -config-file=/tmp/{$app}-config.json > /tmp/${app}.log 2>&1 &