Datadog Heroku ビルドパック

export DD_API_KEY=<YOUR_API_KEY>

export APPNAME=<YOUR_HEROKU_APP_NAME>

cd <HEROKU_PROJECT_ROOT_FOLDER>

# Heroku Labs Dyno Metadata を有効にして HEROKU_APP_NAME 環境変数を自動的に設定
heroku labs:enable runtime-dyno-metadata -a $APPNAME

# メトリクスが連続するよう、Datadog でホスト名を appname.dynotype.dynonumber に設定
heroku config:add DD_DYNO_HOST=true

# このビルドパックを追加して Datadog API キーを設定
heroku buildpacks:add --index 1 https://github.com/DataDog/heroku-buildpack-datadog.git
heroku config:add DD_API_KEY=$DD_API_KEY

# 強制的に再構築して Heroku をデプロイ
git commit --allow-empty -m "Rebuild slug"
git push heroku master

1. https://github.com/heroku/heroku-buildpack-apt.git
2. https://github.com/DataDog/heroku-buildpack-datadog.git
3. heroku/ruby

heroku buildpacks:add --index 1 https://github.com/DataDog/heroku-buildpack-datadog.git#<DATADOG_BUILDPACK_RELEASE>

# Agent の新規バージョンを設定
heroku config:set DD_AGENT_VERSION=<NEW_AGENT_VERSION> -a <YOUR_APP_NAME>

# Agent の新バージョンでスラグを再構築:
git commit --allow-empty -m "Rebuild slug"
git push heroku master

# dyno タイプに基づいて Datadog Agent を無効にします
if [ "$DYNOTYPE" == "run" ] || [ "$DYNOTYPE" == "scheduler" ] || [ "$DYNOTYPE" == "release" ]; then
  DISABLE_DATADOG_AGENT="true"
fi

init_config:

instances:

    ## @param host - 文字列 - 必須
    ## 接続するホストを入力します。
    #
  - host: <REDIS_ホスト>

    ## @param port - 整数 - 必須
    ## 接続するホストのポートを入力します。
    #
    port: 6379

agent-wrapper integration install -t datadog-<INTEGRATION_NAME>==<INTEGRATION_VERSION>

agent-wrapper integration install -t datadog-ping==1.0.0

#!/usr/bin/env bash

# dyno タイプに基づいて Datadog Agent を無効化 
if [ "$DYNOTYPE" == "run" ]; then
  DISABLE_DATADOG_AGENT="true"
fi

# HEROKU_SLUG_COMMIT に基づきアプリのバージョンを設定 
if [ -n "$HEROKU_SLUG_COMMIT" ]; then
  DD_VERSION=$HEROKU_SLUG_COMMIT
fi

# Heroku アプリケーションの環境変数を使用して、Postgres のコンフィギュレーションを上記の設定から更新
if [ -n "$DATABASE_URL" ]; then
  POSTGREGEX='^postgres://([^:]+):([^@]+)@([^:]+):([^/]+)/(.*)$'
  if [[ $DATABASE_URL =~ $POSTGREGEX ]]; then
    sed -i "s/<YOUR HOSTNAME>/${BASH_REMATCH[3]}/" "$DD_CONF_DIR/conf.d/postgres.d/conf.yaml"
    sed -i "s/<YOUR USERNAME>/${BASH_REMATCH[1]}/" "$DD_CONF_DIR/conf.d/postgres.d/conf.yaml"
    sed -i "s/<YOUR PASSWORD>/${BASH_REMATCH[2]}/" "$DD_CONF_DIR/conf.d/postgres.d/conf.yaml"
    sed -i "s/<YOUR PORT>/${BASH_REMATCH[4]}/" "$DD_CONF_DIR/conf.d/postgres.d/conf.yaml"
    sed -i "s/<YOUR DBNAME>/${BASH_REMATCH[5]}/" "$DD_CONF_DIR/conf.d/postgres.d/conf.yaml"
  fi
fi

# "ping" コミュニティインテグレーションをインストール
agent-wrapper integration install -t datadog-ping==1.0.0

heroku config:add DD_LOG_LEVEL=ERROR

agent-wrapper status

# GPG 依存関係をインストール
RUN apt-get update \
 && apt-get install -y gnupg apt-transport-https gpg-agent curl ca-certificates

# Datadog リポジトリおよび署名キーを追加
ENV DATADOG_APT_KEYRING="/usr/share/keyrings/datadog-archive-keyring.gpg"
ENV DATADOG_APT_KEYS_URL="https://keys.datadoghq.com"
RUN sh -c "echo 'deb [signed-by=${DATADOG_APT_KEYRING}] https://apt.datadoghq.com/ stable 7' > /etc/apt/sources.list.d/datadog.list"
RUN touch ${DATADOG_APT_KEYRING}
RUN curl -o /tmp/DATADOG_APT_KEY_CURRENT.public "${DATADOG_APT_KEYS_URL}/DATADOG_APT_KEY_CURRENT.public" && \
    gpg --ignore-time-conflict --no-default-keyring --keyring ${DATADOG_APT_KEYRING} --import /tmp/DATADOG_APT_KEY_CURRENT.public
RUN curl -o /tmp/DATADOG_APT_KEY_F14F620E.public "${DATADOG_APT_KEYS_URL}/DATADOG_APT_KEY_F14F620E.public" && \
    gpg --ignore-time-conflict --no-default-keyring --keyring ${DATADOG_APT_KEYRING} --import /tmp/DATADOG_APT_KEY_F14F620E.public
RUN curl -o /tmp/DATADOG_APT_KEY_382E94DE.public "${DATADOG_APT_KEYS_URL}/DATADOG_APT_KEY_382E94DE.public" && \
    gpg --ignore-time-conflict --no-default-keyring --keyring ${DATADOG_APT_KEYRING} --import /tmp/DATADOG_APT_KEY_382E94DE.public


# Datadog Agent をインストール
RUN apt-get update && apt-get -y --force-yes install --reinstall datadog-agent

# エンドポイントをコピー
COPY entrypoint.sh /

# DogStatsD および trace-agent ポートを公開
EXPOSE 8125/udp 8126/tcp

# Datadog コンフィギュレーションをコピー
COPY datadog-config/ /etc/datadog-agent/

CMD ["/entrypoint.sh"]

#!/bin/bash

datadog-agent run &
/opt/datadog-agent/embedded/bin/trace-agent --config=/etc/datadog-agent/datadog.yaml &
/opt/datadog-agent/embedded/bin/process-agent --config=/etc/datadog-agent/datadog.yaml

# Heroku アプリケーション名を環境変数としてエクスポート
export APPNAME=your-application-name

heroku ps:exec -a $APPNAME

# 認証情報を確立中... 完了
#  ⬢ ruby-heroku-datadog で web.1 に接続中...
# DD_API_KEY 環境変数が設定されていません。実行: heroku config:add DD_API_KEY=<your API key>
# Datadog Agent が無効です。DISABLE_DATADOG_AGENT を未設定にするか、不足している環境変数を設定します。

~ $

~ $ agent-wrapper status

Getting the status from the agent.

===============
Agent (v7.27.0)
===============

[...]

  API Keys status
  ===============
    API key ending with 68306: API Key valid

=========
Collector
=========

  Running Checks
  ==============

[...]
    postgres (5.4.0)
    ----------------
      Instance ID: postgres:e07ef94b907fe733 [OK]
      Configuration Source: file:/app/.apt/etc/datadog-agent/conf.d/postgres.d/conf.yaml
      Total Runs: 4,282
      Metric Samples: Last Run: 15, Total: 64,230
      Events: Last Run: 0, Total: 0
      Service Checks: Last Run: 1, Total: 4,282
      Average Execution Time : 43ms
      Last Execution Date : 2021-05-13 08:15:46 UTC (1620893746000)
      Last Successful Execution Date : 2021-05-13 08:15:46 UTC (1620893746000)
      metadata:
        version.major: 13
        version.minor: 2
        version.patch: 0
        version.raw: 13.2 (Ubuntu 13.2-1.pgdg20.04+1)
        version.scheme: semver

[...]
=========
APM Agent
=========
  Status: Running
  Pid: 63
  Uptime: 64702 seconds
  Mem alloc: 10,331,128 bytes
  Hostname: ruby-heroku-datadog.web.1
  Receiver: localhost:8126
  Endpoints:
    https://trace.agent.datadoghq.com

  Receiver (previous minute)
  ==========================
    From ruby 2.6.6 (ruby-x86_64-linux), client 0.48.0
      Traces received: 11 (14,181 bytes)
      Spans received: 33

    Default priority sampling rate: 100.0%
    Priority sampling rate for 'service:ruby-heroku-datadog,env:': 100.0%
    Priority sampling rate for 'service:ruby-heroku-datadog,env:development': 100.0%

[...]