#!/bin/bash

# version 1.0

# set -euo pipefail

JQ=${JQ:-"jq"}

say()   { printf "%s\n" "$*"; }
sep()   { printf "\n-----------------------------\n"; }


say "Starting IPTSP Check Script..."

echo "---Total: $(openstack server list --project 89c4c3f1d4244ce7ba061d0cf86c1900 --all-projects -f value | wc -l)/Active: $(openstack server list --project 89c4c3f1d4244ce7ba061d0cf86c1900 --all-projects --status ACTIVE -f value | wc -l)"

sep;

say "Non-Active Instances:"

openstack server list --project 89c4c3f1d4244ce7ba061d0cf86c1900 --all-projects -f value -c Name -c Status | awk '$NF!="ACTIVE"' | while read -r instance_name instance_status; do
    echo "Instance Name: $instance_name, Status: $instance_status"
done

sep;

say "Checking VMs"

hypervisors=()
declare -a index


while read -r instance_id; do
    ((index++))
    sep;
    echo "Instance ID: $instance_id"
    NAME=`openstack server show $instance_id -f json | $JQ -r '.name'`
    STATUS=`openstack server show $instance_id -f json | $JQ -r '.status'`
    VMSTATE=`openstack server show $instance_id -f json | $JQ -r '."OS-EXT-STS:vm_state"'`
    PWR=`openstack server show $instance_id -f json | $JQ -r '."OS-EXT-STS:power_state"'`
    HYP=`openstack server show $instance_id -f json | $JQ -r '."OS-EXT-SRV-ATTR:hypervisor_hostname"'`
    # FAULT=$(echo "$instance_id" | $JQ -r '.fault // empty')
    echo "Name: $NAME"
    echo "Status: $STATUS"
    echo "VMState: $VMSTATE"
    echo "Power State: $PWR"
    echo "Hypervisor: $HYP"
    # echo "Fault: $FAULT"
    hypervisors+=("$HYP")
    if [[ $index -eq 4 ]]; then
        break
    fi
done < <(openstack server list --project 89c4c3f1d4244ce7ba061d0cf86c1900 --all-projects -f value -c ID)

sep;

for host in "${hypervisors[@]}"; do
    echo "Checking Hypervisor: $host"
    load_avg=`openstack hypervisor show "$host" -f json | $JQ -r '.load_average'`
    memory_mb=`openstack hypervisor show "$host" -f json | $JQ -r '.memory_mb'`
    memory_gb=$((memory_mb / 1024))
    memory_mb_used=`openstack hypervisor show "$host" -f json | $JQ -r '.memory_mb_used'`
    memory_gb_used=$((memory_mb_used / 1024))
    memory_free=$((memory_mb - memory_mb_used))
    memory_free_gb=$((memory_free / 1024))
    memory_utilized=$((memory_mb_used * 100 / memory_mb))
    echo "Memory Provisioned: $memory_utilized %"
    echo "Memory Total: $memory_gb GB"
    echo "Memory Used: $memory_gb_used GB"
    echo "Memory Free: $memory_free_gb GB"
    echo "Load Average: $load_avg"
    # memory_total=`$hypervisor_json | $JQ -r '.memory_mb'`
    # memory_used=`$hypervisor_json | $JQ -r '.memory_mb_used'`
    # memory_free=$((memory_total - memory_used))
    # memory_utilized=$((memory_used * 100 / memory_total))
    # echo "Memory Utilized: $memory_utilized %"
    # echo "Memory Total: $memory_total MB"
    # echo "Memory Used: $memory_used MB"
    # echo "Memory Free: $memory_free MB"
done 

openstack router list --project 89c4c3f1d4244ce7ba061d0cf86c1900 -f value -c ID -c Name | while read -r router_id router_name; do
    sep;
    echo "RouterName: $router_name and RouterID: $router_id"
    echo "$(openstack network agent list --router $router_id)"
    echo "Active: $(openstack network agent list --router $router_id -f value -c ID -c State | wc -l) / Down: $(openstack network agent list --router $router_id -f value -c ID -c State | grep -c False)"
    echo "$(neutron l3-agent-list-hosting-router $router_id)"
    # echo "Interface Info: $interface_info"
    router_status=`openstack router show $router_id -f json | jq -r .status`
    echo "Router Status: $router_status"
    floatIp=`openstack router show $router_id -c external_gateway_info  -f json | jq -r .external_gateway_info.external_fixed_ips[0].ip_address`
    ping -c 3 $floatIp
    break
done