XCP Servers (Hypervisors)

XCP-ng hypervisors host the majority of virtual machines in the WithinEarth infrastructure.

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Architecture Diagram

graph TB
    subgraph HYPERVISORS["XCP-ng Hypervisor Cluster (3 Physical Servers)"]
        subgraph XCP1["XCP-ng 1: 10.32.8.22"]
            VMS1["11 VMs:<br/>RabbitMQ, SQL Replica 5<br/>MongoDB-RoomMap, CM-1<br/>VPN, HAProxy-SQL-1"]
        end

        subgraph XCP2["XCP-ng 2: 10.32.8.23"]
            VMS2["17 VMs:<br/>MongoDB-ReCheck, pfSense-2<br/>OTH-HAProxy pair<br/>Gateway-2, MariaDB"]
        end

        subgraph XCP3["XCP-ng 3: 10.32.8.24"]
            VMS3["14 VMs:<br/>MongoDB-Logs, UptimeKuma<br/>GitLab, Gateway-1<br/>Zabbix"]
        end

        XOA["XCP Orchestra (XOA)<br/>Centralized Management"]
    end

    XOA --> XCP1 & XCP2 & XCP3

    style XCP1 fill:#87CEEB
    style XCP2 fill:#FFE4B5
    style XCP3 fill:#90EE90

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Server Inventory

Server	IP Address	Type	VMs Hosted	Key Services
XCP-ng 1	10.32.8.22	Physical	11	RabbitMQ, SQL Replica, MongoDB, CM-1, VPN
XCP-ng 2	10.32.8.23	Physical	17	MongoDB, OTH-HAProxy, pfSense, Gateway
XCP-ng 3	10.32.8.24	Physical	14	MongoDB-Logs, GitLab, Zabbix, UptimeKuma
Total	-	3 Physical	42 VMs	All virtualized services

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XCP-ng 1 (10.32.8.22) - 11 VMs

graph TB
    XCP1["XCP-ng Hypervisor 1<br/>10.32.8.22<br/>Physical Server"]

    XCP1 --> VM1["HAProxy-SQL-Replica-1<br/>Load balancer for SQL reads"]
    XCP1 --> VM2["MongoDB-RoomMapping<br/>10.32.8.96<br/>8.5M documents"]
    XCP1 --> VM3["SupplierProxy-Api-3<br/>10.32.8.43<br/>Supplier integration"]
    XCP1 --> VM4["OTH-3<br/>Online Travel Hub DB"]
    XCP1 --> VM5["Redis-OTH<br/>Cache for OTH"]
    XCP1 --> VM6["CM-1<br/>Channel Manager<br/>7 integrations"]
    XCP1 --> VM7["RabbitMQ<br/>10.32.8.90<br/>Message queue"]
    XCP1 --> VM8["SQL Replica 5<br/>10.32.8.37<br/>Read replica"]
    XCP1 --> VM9["HAProxy-RoomMapping1<br/>Load balancer"]
    XCP1 --> VM10["VPN-Employee<br/>WireGuard VPN"]
    XCP1 --> VM11["XOA<br/>Xen Orchestra<br/>Management"]

    style XCP1 fill:#87CEEB

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XCP-ng 2 (10.32.8.23) - 17 VMs

graph TB
    XCP2["XCP-ng Hypervisor 2<br/>10.32.8.23<br/>Physical Server"]

    XCP2 --> VM1["MongoDB-ReCheck-2<br/>10.32.8.52<br/>799K documents"]
    XCP2 --> VM2["SupplierProxy-Api-5<br/>10.32.8.45"]
    XCP2 --> VM3["pfSense-2<br/>Firewall & IDS/IPS"]
    XCP2 --> VM4["OTH-HAProxy-Master<br/>10.32.8.106"]
    XCP2 --> VM5["OTH-HAProxy-Standby<br/>10.32.8.107"]
    XCP2 --> VM6["OTH-4<br/>Database server"]
    XCP2 --> VM7["HAProxy-SQL-LB-2<br/>10.32.8.8"]
    XCP2 --> VM8["ELK-SupplierLogs<br/>Log aggregation"]
    XCP2 --> VM9["MariaDB<br/>MySQL compatible DB"]

    style XCP2 fill:#FFE4B5

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XCP-ng 3 (10.32.8.24) - 14 VMs

graph TB
    XCP3["XCP-ng Hypervisor 3<br/>10.32.8.24<br/>Physical Server<br/>10Gbps WAN"]

    XCP3 --> VM1["MongoDB-APILogs<br/>10.32.8.75<br/>162M log documents"]
    XCP3 --> VM2["MongoDB-Supplier-Logs<br/>10.32.8.18"]
    XCP3 --> VM3["UptimeKuma<br/>10.32.8.102<br/>Uptime monitoring"]
    XCP3 --> VM4["API-LogServer-152<br/>Centralized logging"]
    XCP3 --> VM5["Hotel Content API<br/>Content service"]
    XCP3 --> VM6["GitLab<br/>Source control"]
    XCP3 --> VM7["Zabbix<br/>10.32.8.148<br/>Monitoring"]

    style XCP3 fill:#90EE90

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XCP Management

Component	Purpose
XCP Orchestra (XOA)	Centralized VM management UI
Live Migration	Move VMs between hosts without downtime
HA	Automatic VM restart on host failure
Storage	Local and shared storage support

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Resource Allocation

Hypervisor	Total RAM	Total CPU	VMs
XCP-ng 1	-	-	11
XCP-ng 2	-	-	17
XCP-ng 3	-	-	14

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Last Updated: 2025-12-02