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Chainlink Terraform

Chainlink Helm Chart

Required Values

The required values are mostly the Chainlink environment variables described in their documentation.

Name Chainlink Environment Variable Type Default Value
explorer_access_key EXPLORER_ACCESS_KEY string ""
explorer_secret EXPLORER_URL string ""
root ROOT string "/chainlink"
log_level LOG_LEVEL string "debug"
eth_chain_id ETH_CHAIN_ID string "4"
chainlink_tls_port CHAINLINK_TLS_PORT string "0"
secure_cookies SECURE_COOKIES string "false"
allow_origins ALLOW_ORIGINS string "*"
eth_url ETH_URL string ""
database_locking_mode DATABASE_LOCKING_MODE string "lease"
p2p_bootstrap_peers P2P_BOOTSTRAP_PEERS string ""
feature_offchain_reporting FEATURE_OFFCHAIN_REPORTING string "true"
chainlink_dev CHAINLINK_DEV string "true"
p2p see below object see below

The p2p key is an object with the following default value:

  p2p:
    enabled: true
    port: 10000
    elastic_ip_alloc_id: ''
    public_ip: ''

p2p.enabled isn't a Chainlink environment variable, but it allows you to choose whether you need the following P2P environment variables enabled or not. If p2p.enabled is true the following environment variables will be set:

  • P2P_LISTEN_PORT (p2p.port)
  • P2P_ANNOUNCE_PORT (p2p.port)
  • P2P_ANNOUNCE_IP (p2p.public_ip)

p2p.elastic_ip_alloc_id will always be used for the AWS Load Balancer EIP allocations (see Chainlink Service).

Chainlink Adapters Helm Chart

Supported Adapters

  • nomics
  • coingecko
  • coinmarketcap
  • bea
  • cryptocompare
  • jpegd
  • tiingo

Required Values

The required values are mostly the Chainlink Adapters environment variables described here.

Name Chainlink Environment Variable Type Default Value
ea_port EA_PORT string see below
api_key API_KEY string ""
timeout TIMEOUT string 30000
cache_enabled CACHE_ENABLED string "false"
rate_limit_enabled RATE_LIMIT_ENABLED string "true"
warmup_enabled WARMUP_ENABLED string "true"
rate_limit_api_provider RATE_LIMIT_API_PROVIDER string see below
rate_limit_api_tier RATE_LIMIT_API_TIER string see below
request_coalescing_enabled REQUEST_COALESCING_ENABLED string "true"
request_coalescing_interval REQUEST_COALESCING_INTERVAL string "100"
request_coalescing_interval_max REQUEST_COALESCING_INTERVAL_MAX string "1000"
request_coalescing_interval_coefficient REQUEST_COALESCING_INTERVAL_COEFFICIENT string "2"
request_coalescing_entropy_max REQUEST_COALESCING_ENTROPY_MAX string "0"
warmup_unhealthy_treshold WARMUP_UNHEALTHY_THRESHOLD string "3"
warmup_subscription_ttl WARMUP_SUBSCRIPTION_TTL string "360000"
log_level LOG_LEVEL string "info"
debug DEBUG string "false"
api_verbose API_VERBOSE string "false"
experimental_metrics_enabled EXPERIMENTAL_METRICS_ENABLED string "true"
metrics_name METRICS_NAME string see below
retry RETRY string "1"

All the above values are created inside the adapter object, e.g. with nomics:

nomics:
  config:
    ea_port: 1111
    api_key: ""
    timeout: 30000
    cache_enabled: false
    rate_limit_enabled: true
    warmup_enabled: true
    rate_limit_api_provider: 'nomics'
    rate_limit_api_tier: "https://api.nomics.com/v1"
    request_coalescing_enabled: true
    request_coalescing_interval: 100
    request_coalescing_interval_max: 1000
    request_coalescing_interval_coefficient: 2
    request_coalescing_entropy_max: 0
    warmup_unhealthy_treshold: 3
    warmup_subscription_ttl: 3600000
    log_level: "info"
    debug: false
    api_verbose: false
    experimental_metrics_enabled: true
    metrics_name: nomics
    retry: 1

The following keys depend on the provider, you probably won't have to change their values:

  • ea_port, e.g.: 1111
  • rate_limit_api_provider, e.g.: nomics
  • rate_limit_api_tier, e.g.: https://api.nomics.com/v1
  • metrics_name, e.g.: nomics