install-access-point

#!/bin/sh
set -e

DEFAULT_TARGET=10.0.100.2
BINARY_FILE=frc-radio-api
USER=root
SSH_ARGS="-o ConnectTimeout=5 -o StrictHostKeyChecking=no"

read -p "Device IP address [$DEFAULT_TARGET]: " TARGET
TARGET=${TARGET:-$DEFAULT_TARGET}
read -p "Set API password (leave blank to disable): " PASSWORD
read -p "Set firmware decryption secret key (leave blank to disable): " FIRMWARE_KEY

# Optionally build the binary.
if [ "$1" = "--build" ]; then
  echo "Building binary..."
  GOOS=linux GOARCH=arm go build -o $BINARY_FILE
fi

# Determine the radio type.
echo
RADIO_TYPE=`ssh $SSH_ARGS $USER@$TARGET "uci get system.@system[0].model 2>&1 | grep VH > /dev/null; echo \\$?"`
if [ $RADIO_TYPE = "0" ]; then
  echo "Detected Vivid-Hosting radio type."
  CONFIG_FILE=wireless-boot-vh
  API_PORT=80
else
  echo "Detected Linksys radio type."
  CONFIG_FILE=wireless-boot-linksys
  API_PORT=8081
fi

echo "\nDeploying to $TARGET..."

# Stop the API if it is running to avoid a file conflict.
ssh $SSH_ARGS $USER@$TARGET "/etc/init.d/frc-radio-api stop 2>/dev/null || true"

# Copy over the baseline configuration which gets loaded on boot.
scp -O $SSH_ARGS $CONFIG_FILE $USER@$TARGET:/etc/config/wireless-boot

# Copy over the API binary.
scp -O $SSH_ARGS $BINARY_FILE $USER@$TARGET:/usr/bin/

# Copy over the API init script.
scp -O $SSH_ARGS access-point.init $USER@$TARGET:/etc/init.d/frc-radio-api

# Create the API password file.
ssh $SSH_ARGS $USER@$TARGET "echo $PASSWORD > /root/frc-radio-api-password.txt"

# Create the firmware decryption secret key file.
ssh $SSH_ARGS $USER@$TARGET "echo $FIRMWARE_KEY > /root/frc-radio-api-firmware-key.txt"

# Comment out the unnecessary 'wifi detect' command in the boot script; it just delays the Ethernet interface bring-up.
ssh $SSH_ARGS $USER@$TARGET "sed -E 's/^\t(\/sbin\/wifi detect)/\t#\1/' -i /etc/init.d/boot"

# Start the API server.
ssh $SSH_ARGS $USER@$TARGET "chmod +x /usr/bin/frc-radio-api /etc/init.d/frc-radio-api && \
  (ln -s ../init.d/frc-radio-api /etc/rc.d/S11frc-radio-api || true) && \
  /etc/init.d/frc-radio-api start"

echo "\nChecking health..."
sleep 1
(curl -s --fail "http://$TARGET:$API_PORT/health" | grep OK) || (echo "Health check failed." && exit 1)

echo "\nDeployed successfully."