#!/usr/bin/env bash

##########################
# Deploy script used for initilizing an Arch based container on Proxmox
##########################

# Retrieve the IP address of a container as IPv4,IPv6
FN_get_IPaddr (){
    # IPv6 address fetch
    local IPv6ADDR=$(ssh root@$PROXMOX_IP_ADDR $"pct exec 101 ip addr show eth0 | grep /128 | grep -v fd75")
    IPv6ADDR=$(echo $IPv6ADDR | awk '{a=$2; split(a, b, "/"); print b[1]}')

    # IPv4 address fetch
    local IPv4ADDR=$(ssh root@$PROXMOX_IP_ADDR $"pct exec 101 ip addr show eth0 | grep inet")
    IPv4ADDR=$(echo $IPv4ADDR | awk '{a=$2; split(a, b, "/"); print b[1]}')

    # And return the address
    printf "%s,%s\n" $IPv4ADDR $IPv6ADDR
}

# IP address of the Proxmox host
PROXMOX_IP_ADDR=192.168.1.224
if [[ -z $PROXMOX_IP_ADDR ]]; then
    echo "PROXMOX_IP_ADDR was not set!"
    exit
fi

# Verify we can talk to the proxmox host.
REPLYFROMSERVER=$(ssh root@$PROXMOX_IP_ADDR $"echo "Hello World"")
if [[ $REPLYFROMSERVER != "Hello World" ]]; then
    echo "Failed to verify SSH connectivty with proxmox host."
    exit
fi

# Check if we are referring to a specific container.
if [[ $1 == "-ID" ]]; then
    # Make sure we have a container ID
    if [[ -z $2 ]]; then
        echo "No container ID was given!"
        exit
    fi

    # Check if a script was provided.
    if [[ -z $3 ]]; then
        # No script found, just return the ip address.
        FN_get_IPaddr $2
        exit
    else
        # A script was found, verify it exists.
        if [[ -e $3 ]]; then
            ssh root@$PROXMOX_IP_ADDR 'bash -s' < $3
            exit
        else
            echo "Bash script $3 was not found."
            exit
        fi
    fi
fi

# No specific container was provided, so we create one.
# Can pass small script like this: https://stackoverflow.com/a/3872762/516959
ssh root@$PROXMOX_IP_ADDR /usr/bin/env bash <<-'AcRP030CAlfad6'
    echo "Hello world! :D"
AcRP030CAlfad6