install-datadog-agent-drill.sh

#!/bin/bash

#1. Check for variable values
if [[ -z "$HOST_NAME" ]] || [[ -z "$NODE_TYPE" ]] || [[ -z "$INSTANCE" ]] || [[ -z "$DD_API_KEY" ]]; then
  echo "Please put all variable values correctly."
  exit 1 
else
  DD_AGENT_MAJOR_VERSION=7 DD_API_KEY=$DD_API_KEY DD_SITE="datadoghq.com" bash -c "$(curl -L https://s3.amazonaws.com/dd-agent/scripts/install_script.sh)"
fi

#2. TAG Set Up
cat <<EOF>> /etc/datadog-agent/datadog.yaml
hostname: $HOST_NAME
logs_enabled: true

process_config:
  enabled: true

tags:
  - nodetype:$NODE_TYPE
  - instance:$INSTANCE
  - network:$NETWORK
EOF

#3. Klaytn Custom Metric Set Up
cat << EOF > /etc/datadog-agent/conf.d/openmetrics.d/conf.yaml
init_config:

instances:
  - openmetrics_endpoint: http://localhost:61001/metrics
    metrics:
      - klaytn_discover_ping
      - klaytn_discover_pong
      - klaytn_txpool_refuse
      - klaytn_chain_finalize
      - klaytn_rpc_counts_total
      - klaytn_p2p_DialTryCounter
      - klaytn_p2p_InboundTraffic
      - klaytn_p2p_OutboundTraffic
      - klaytn_p2p_CNPeerCountGauge
      - klaytn_p2p_ENPeerCountGauge
      - klaytn_p2p_PNPeerCountGauge
      - klaytn_blockchain_block_tx_counter
      - klaytn_blockchain_head_blocknumber
      - klaytn_klay_prop_blocks_out_traffic
      - klaytn_klay_prop_blocks_in_traffic
      - klaytn_blockchain_bad_block_counter
      - klaytn_consensus_istanbul_core_round
      - klaytn_consensus_istanbul_core_councilSize
      - klaytn_chain_validate
      - klaytn_tx_pool_pending_gauge
      - klaytn_p2p_PeerCountGauge
      - klaytn_consensus_istanbul_core_currentRound
      - klaytn_chain_inserts
      - klaytn_consensus_istanbul_core_timer
      - klaytn_tx_pool_queue_gauge
      - klaytn_klay_db_chaindata_body_disk_read
      - klaytn_klay_db_chaindata_body_disk_write
      - klaytn_klay_prop_txns_in_packets
      - klaytn_klay_prop_txns_in_traffic
      - klaytn_klay_prop_txns_out_packets
      - klaytn_klay_prop_txns_out_traffic
      - klaytn_klay_prop_blocks_in_packets
      - klaytn_klay_prop_blocks_out_packets
      - klaytn_p2p_DialFailCounter
      - klaytn_build_info
EOF


conf=`find / -name 'kpnd.conf' -type f | head -n 1`
LOG_DIR=`cat $conf | grep LOG_DIR | cut -d '=' -f 2 | tr -d ' '`

mkdir -p /etc/datadog-agent/conf.d/go.d
cat << EOF > /etc/datadog-agent/conf.d/go.d/conf.yaml
#4. Log Config
logs:
  - type: file
    path: $LOG_DIR/kpnd.out
    service: klaytn-pn
    source: go
    sourcecategory: sourcecode
EOF

#5. APPLY datadog-agent Config
systemctl restart datadog-agent