Deploy Primary Network with Terraform and Ansible

Operate production Avalanche Primary Network validators on AWS with staking key management, database snapshots, and zero-downtime migration.

This guide covers deploying and operating Avalanche Primary Network validators — the nodes that validate the P-Chain, X-Chain, and C-Chain. These validators participate in Avalanche consensus and earn staking rewards.

AWS only. Staking minimum: 2,000 AVAX (mainnet), 1 AVAX (Fuji). Bootstrap time: 2–4 hours via state-sync. Cost: ~$326/month per validator.

Primary Network workflows are currently supported on AWS only. The instances require high-performance NVMe storage for the full chain database.

Architecture

Key Differences from L1 Deployment

Aspect	L1 Deployment	Primary Network
Chain sync	Partial P-Chain headers only	Full P/X/C chain data
Instance type	c6a.xlarge (general compute)	i4i.xlarge (NVMe-optimized)
Storage	EBS gp3 volumes	937GB local NVMe
Bootstrap time	Minutes (partial sync)	2–4 hours (state-sync)
Cloud support	AWS, GCP, Azure	AWS only
Staking key backup	Optional	Strongly recommended

Quick Start

Provision Infrastructure

make primary-infra CLOUD=aws

This uses a separate Terraform state from the L1 deployment (terraform/primary-network/aws/), creating i4i.xlarge instances with 937GB NVMe drives.

Edit terraform/primary-network/aws/terraform.tfvars before running:

primary_validator_count    = 2
enable_staking_key_backup  = true
ssh_public_key             = "ssh-rsa AAAA..."
ssh_private_key_file       = "~/.ssh/avalanche-deploy"

Deploy Validators

make primary-deploy CLOUD=aws NETWORK=fuji    # or mainnet

This runs playbook primary-network/deploy.yml, which:

Installs AvalancheGo with Primary Network configuration
Enables state-sync for fast initial bootstrap
Waits for P/X/C chain bootstrap to complete (polls for up to 90 minutes)
Backs up staking keys to S3 with KMS encryption
Creates an initial database snapshot and uploads it to S3

Monitor Sync Progress

make primary-status CLOUD=aws

Bootstrap typically takes 2–4 hours via state-sync. All three chains (P, X, C) must report isBootstrapped: true before proceeding.

Register Your Validator on the P-Chain

Validator registration requires staking AVAX on the P-Chain:

Fuji testnet: 1 AVAX minimum
Mainnet: 2,000 AVAX minimum

Register using Core Wallet or the Avalanche CLI. You will need your validator's NodeID, which is displayed by make primary-status.

Back Up Staking Keys

make backup-keys CLOUD=aws

Staking keys are uploaded to S3 with KMS encryption. The validator instances have an IAM role that grants access to the backup bucket — no manual credential configuration required.

Staking Key Management

Staking keys are the cryptographic identity of your validator. Losing them means losing your NodeID and any associated staking position.

# Backup all validator keys to S3
make backup-keys CLOUD=aws

# Restore keys to a specific node
make restore-keys CLOUD=aws SOURCE=primary-validator-1 TARGET_IP=10.0.1.50

# List existing backups
aws s3 ls s3://$(terraform -chdir=terraform/primary-network/aws output -raw staking_keys_bucket)/

Always back up staking keys immediately after deployment and after any key rotation. Keys are encrypted with KMS — they cannot be read even if the S3 bucket is compromised without KMS access.

Database Snapshots

Create lz4-compressed snapshots of synced nodes for faster bootstrapping of new nodes. A pruned mainnet snapshot is approximately 400GB and restores in minutes compared to hours for state-sync.

# Create a snapshot from a synced validator
make create-snapshot CLOUD=aws NODE=primary-validator-1

# Create with a custom name
make create-snapshot CLOUD=aws NODE=primary-validator-1 NAME=mainnet-2025-02

# List available snapshots
make list-snapshots CLOUD=aws

# Restore a snapshot to a node
make restore-snapshot CLOUD=aws TARGET=migration-target
make restore-snapshot CLOUD=aws TARGET=migration-target SNAPSHOT=mainnet-2025-02

Snapshots are stored in S3 with KMS encryption and SHA256 checksums for integrity verification.

Validator Migration

Migrate a validator to a new instance with approximately 30 seconds of downtime. This is useful for hardware upgrades, instance type changes, or region moves.

Migration Steps

# 1. Prepare the new node (choose one):
# Option A: From snapshot (faster — minutes)
make prepare-migration CLOUD=aws NODE=migration-target SNAPSHOT=true

# Option B: From state-sync (slower — hours)
make prepare-migration CLOUD=aws NODE=migration-target

# 2. Wait for the new node to fully sync
./scripts/primary-network/check-sync.sh <new-node-ip>

# 3. Execute migration (~30s downtime)
make migrate-validator CLOUD=aws SOURCE=primary-validator-1 TARGET=migration-target

Cost Estimate (AWS us-east-1)

Component	Instance	Storage	Monthly Estimate
Primary Validator	i4i.xlarge	937GB NVMe (included)	~$310
S3 + KMS (keys + snapshots)	—	~1GB	~$1
Monitoring	t3.small	50GB EBS	~$15
Per validator total			~$326/mo

Terraform Configuration Reference

Edit terraform/primary-network/aws/terraform.tfvars:

Variable	Default	Description
`primary_validator_count`	1	Number of Primary Network validators
`enable_staking_key_backup`	true	Enable S3 backup with KMS encryption
`ssh_public_key`	—	SSH public key for node access
`ssh_private_key_file`	—	Path to SSH private key

Node runtime configuration is at configs/primary-network/node/primary-validator-node-config.json, which includes state-sync-enabled: true and state-sync-min-blocks: 100000 for faster initial bootstrap.

Next Steps

Operations guide — Rolling upgrades, monitoring, health checks
Troubleshooting — Common issues and solutions

Deploy Primary Network with Terraform and Ansible

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