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Add examples/apache-cloudstack-mgmt.yaml
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‎examples/apache-cloudstack-mgmt.yaml‎

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# ============================================================
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# Apache CloudStack 3-tier management cluster
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#
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# Tier 1 — MySQL database server (cs-db)
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# Tier 2 — Primary CloudStack management server (cs-mgmt-primary)
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# Initialises the database; starts when tier 1 is healthy.
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# Health check: HTTP GET :8080/client/
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# Tier 3 — Two additional management servers (cs-mgmt-secondary)
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# Join the existing database; start when tier 2 is healthy.
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# Health check: HTTP GET :8080/client/
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#
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# NOTE: DB_HOST discovery in tiers 2/3 assumes the MySQL VM hostname
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# resolves as "cs-db-1" (set by cloud-init). If your network
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# does not provide DNS, update DB_HOST manually or adjust the
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# discovery loop in the respective UserData scripts below.
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# ============================================================
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# ------------------------------------------------------------------
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# UserData – Tier 1: MySQL 8 setup
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# ------------------------------------------------------------------
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apiVersion: cloudstackctl/v1
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kind: UserData
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metadata:
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name: userdata-cs-db
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spec:
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script: |
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#!/bin/bash
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set -euo pipefail
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exec > >(tee /var/log/cloudstack-db-init.log) 2>&1
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ROOT_PASS="${ROOT_PASS:-root}"
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echo "[tier1] Updating packages..."
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export DEBIAN_FRONTEND=noninteractive
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apt-get update -y
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apt-get install -y mysql-server ncat
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echo "[tier1] Configuring MySQL for remote access..."
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# Allow connections from all interfaces
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sed -i 's/^bind-address\s*=.*/bind-address = 0.0.0.0/' \
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/etc/mysql/mysql.conf.d/mysqld.cnf
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# Performance tuning for CloudStack
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cat >> /etc/mysql/mysql.conf.d/mysqld.cnf <<'EOF'
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innodb_rollback_on_timeout=1
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innodb_lock_wait_timeout=600
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max_connections=350
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log_bin_trust_function_creators=1
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EOF
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systemctl restart mysql
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systemctl enable mysql
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echo "[tier1] Creating CloudStack DB user..."
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mysql -u root <<EOSQL
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-- enable root login with password for remote --deploy-as access
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ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '${ROOT_PASS}';
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CREATE USER IF NOT EXISTS 'root'@'%' IDENTIFIED WITH mysql_native_password BY '${ROOT_PASS}';
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GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' WITH GRANT OPTION;
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-- create the CloudStack runtime app user
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CREATE USER IF NOT EXISTS 'cloud'@'%' IDENTIFIED BY 'cloud';
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GRANT ALL PRIVILEGES ON *.* TO 'cloud'@'%' WITH GRANT OPTION;
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CREATE USER IF NOT EXISTS 'cloud'@'localhost' IDENTIFIED BY 'cloud';
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GRANT ALL PRIVILEGES ON *.* TO 'cloud'@'localhost' WITH GRANT OPTION;
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FLUSH PRIVILEGES;
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EOSQL
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echo "[tier1] MySQL setup complete."
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---
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# ------------------------------------------------------------------
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# UserData – Tier 2: CloudStack primary management server
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# Initialises the schema; starts cloudstack-management.
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# ------------------------------------------------------------------
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apiVersion: cloudstackctl/v1
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kind: UserData
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metadata:
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name: userdata-cs-primary
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spec:
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script: |
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#!/bin/bash
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set -euo pipefail
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exec > >(tee /var/log/cloudstack-primary-init.log) 2>&1
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# ------------------------------------------------------------
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# Configuration – change DB_HOST if your DNS does not resolve
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# the tier-1 VM hostname automatically.
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# ------------------------------------------------------------
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DB_HOST="${DB_HOST:-cs-db-1}"
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DB_USER="cloud"
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DB_PASS="cloud"
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ROOT_PASS="${ROOT_PASS:-root}"
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export DEBIAN_FRONTEND=noninteractive
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apt-get update -y
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apt-get install -y gnupg ncat curl
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echo "[tier2] Adding CloudStack 4.22 repository..."
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mkdir -p /etc/apt/keyrings
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curl -fsSL https://download.cloudstack.org/release.asc \
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| gpg --dearmor -o /etc/apt/keyrings/cloudstack.gpg
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echo "deb [signed-by=/etc/apt/keyrings/cloudstack.gpg] \
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https://download.cloudstack.org/ubuntu noble 4.22" \
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> /etc/apt/sources.list.d/cloudstack.list
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apt-get update -y
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apt-get install -y cloudstack-management cloudstack-usage
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echo "[tier2] Waiting for MySQL on ${DB_HOST}:3306 ..."
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for i in $(seq 1 60); do
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if nc -z -w 5 "${DB_HOST}" 3306 2>/dev/null; then
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echo "[tier2] MySQL is reachable."
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break
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fi
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echo "[tier2] Attempt ${i}/60 – MySQL not yet available, retrying in 10s..."
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sleep 10
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done
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echo "[tier2] Initialising CloudStack database (primary)..."
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cloudstack-setup-databases "${DB_USER}:${DB_PASS}@${DB_HOST}" \
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--deploy-as=root:"${ROOT_PASS}" \
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-i "$(hostname -I | awk '{print $1}')"
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echo "[tier2] Configuring management server..."
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cloudstack-setup-management
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systemctl enable cloudstack-management
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systemctl start cloudstack-management
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echo "[tier2] Primary management server setup complete."
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echo "[tier2] CloudStack UI will be available at http://$(hostname -I | awk '{print $1}'):8080/client/"
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---
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# ------------------------------------------------------------------
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# UserData – Tier 3: CloudStack additional management servers
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# Joins existing database (no schema init).
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# ------------------------------------------------------------------
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apiVersion: cloudstackctl/v1
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kind: UserData
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metadata:
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name: userdata-cs-secondary
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spec:
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script: |
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#!/bin/bash
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set -euo pipefail
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exec > >(tee /var/log/cloudstack-secondary-init.log) 2>&1
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# ------------------------------------------------------------
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# Configuration – adjust hostnames if DNS does not resolve them.
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# ------------------------------------------------------------
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DB_HOST="${DB_HOST:-cs-db-1}"
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DB_USER="cloud"
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DB_PASS="cloud"
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CS_PRIMARY_HOST="${CS_PRIMARY_HOST:-cs-mgmt-primary-1}"
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export DEBIAN_FRONTEND=noninteractive
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apt-get update -y
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apt-get install -y gnupg ncat curl
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echo "[tier3] Adding CloudStack 4.22 repository..."
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mkdir -p /etc/apt/keyrings
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curl -fsSL https://download.cloudstack.org/release.asc \
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| gpg --dearmor -o /etc/apt/keyrings/cloudstack.gpg
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echo "deb [signed-by=/etc/apt/keyrings/cloudstack.gpg] \
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https://download.cloudstack.org/ubuntu noble 4.22" \
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> /etc/apt/sources.list.d/cloudstack.list
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apt-get update -y
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apt-get install -y cloudstack-management cloudstack-usage
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echo "[tier3] Waiting for MySQL on ${DB_HOST}:3306 ..."
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for i in $(seq 1 60); do
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if nc -z -w 5 "${DB_HOST}" 3306 2>/dev/null; then
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echo "[tier3] MySQL is reachable."
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break
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fi
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echo "[tier3] Attempt ${i}/60 – MySQL not yet available, retrying in 10s..."
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sleep 10
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done
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echo "[tier3] Waiting for primary management server on ${CS_PRIMARY_HOST}:8080 ..."
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for i in $(seq 1 90); do
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if nc -z -w 5 "${CS_PRIMARY_HOST}" 8080 2>/dev/null; then
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echo "[tier3] Primary management server is reachable."
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break
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fi
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echo "[tier3] Attempt ${i}/90 – primary not yet available, retrying in 20s..."
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sleep 20
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done
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echo "[tier3] Configuring CloudStack database connection (no schema init)..."
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# Connect to the already-initialised database; do NOT pass --deploy-as
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cloudstack-setup-databases "${DB_USER}:${DB_PASS}@${DB_HOST}" \
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-i "$(hostname -I | awk '{print $1}')"
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echo "[tier3] Configuring management server..."
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cloudstack-setup-management
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systemctl enable cloudstack-management
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systemctl start cloudstack-management
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echo "[tier3] Secondary management server setup complete."
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echo "[tier3] CloudStack UI available at http://$(hostname -I | awk '{print $1}'):8080/client/"
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---
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# ------------------------------------------------------------------
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# VirtualMachineSpec – shared base for all CloudStack tiers
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# ------------------------------------------------------------------
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apiVersion: cloudstackctl/v1
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kind: VirtualMachineSpec
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metadata:
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name: cs-base-vmspec
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spec:
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zone: ref-trl-10000-k-Mu24-wei-zhou
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template: ubuntu24-cloud-image-root-password-with-tools
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serviceOffering: Large Instance
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networks:
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- vlan-54
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sshKeys:
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- wei
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volumes:
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- type: root
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size: 50
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---
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# ------------------------------------------------------------------
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# Application – 3-tier CloudStack management cluster
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# ------------------------------------------------------------------
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apiVersion: cloudstackctl/v1
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kind: Application
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metadata:
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name: apache-cloudstack-mgmt
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spec:
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components:
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# ---- Tier 1: MySQL database --------------------------------
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- name: cs-db
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virtualMachineSpec: cs-base-vmspec
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replicas: 1
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overrides:
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serviceOffering: Large Instance
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userDataRefs:
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- userdata-cs-db
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healthChecks:
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- type: tcp
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port: 3306
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interval: 30s
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timeout: 10s
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# ---- Tier 2: Primary management server --------------------
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- name: cs-mgmt-primary
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dependsOn: cs-db
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virtualMachineSpec: cs-base-vmspec
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replicas: 1
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overrides:
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serviceOffering: Large Instance
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userDataRefs:
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- userdata-cs-primary
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healthChecks:
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- type: http
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port: 8080
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path: /client/
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interval: 30s
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timeout: 15s
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# ---- Tier 3: Additional management servers ----------------
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- name: cs-mgmt-secondary
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dependsOn: cs-mgmt-primary
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virtualMachineSpec: cs-base-vmspec
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replicas: 2
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overrides:
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serviceOffering: Large Instance
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userDataRefs:
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- userdata-cs-secondary
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healthChecks:
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- type: http
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port: 8080
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path: /client/
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interval: 30s
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timeout: 15s

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