TL;DR
ビルドごとに特有の情報としては、Build ID や Build ARN ぐらい。
CodePipelineトリガであっても、その情報とかは含まれない。Build ARNを指定してAPIを呼び出しても、こちらにも含まれない。
環境変数
Python 2.7 のDocker Image (aws/codebuild/python:2.7.12)のときの環境変数。
AWS_CONTAINER_CREDENTIALS_RELATIVE_URI=/v2/credentials/...
AWS_DEFAULT_REGION=us-west-2
AWS_REGION=us-west-2
CODEBUILD_AGENT_ENV_AWS_CONTAINER_CREDENTIALS_RELATIVE_URI=/v2/credentials/...
CODEBUILD_AGENT_ENV_BUNDLE_APP_CONFIG=/usr/local/bundle
CODEBUILD_AGENT_ENV_CODEBUILD_BUILD_ARN=[Build ARN]
CODEBUILD_AGENT_ENV_CODEBUILD_BUILD_ID=[Build ID]
CODEBUILD_AGENT_ENV_CODEBUILD_CONTAINER_INFO==...
CODEBUILD_AGENT_ENV_CODEBUILD_CONTAINER_TOKENS=...
CODEBUILD_AGENT_ENV_CODEBUILD_CTS_ENDPOINT=https://codebuild-builds.us-west-2.amazonaws.com
CODEBUILD_AGENT_ENV_CODEBUILD_DEPRECATED=false
CODEBUILD_AGENT_ENV_CODEBUILD_KMS_KEY_ID=[KMS ARN]
CODEBUILD_AGENT_ENV_CODEBUILD_LOG_GROUP=CodeBuild/BuildStreams
CODEBUILD_AGENT_ENV_CODEBUILD_LOG_STREAM_INFO=...
CODEBUILD_AGENT_ENV_CODEBUILD_REGION=us-west-2
CODEBUILD_AGENT_ENV_CODEBUILD_SECRET_KEY_BASE=...
CODEBUILD_AGENT_ENV_DB_NAME=build-agent-sql
CODEBUILD_AGENT_ENV_DB_USER=root
CODEBUILD_AGENT_ENV_GEM_HOME=/usr/local/bundle
CODEBUILD_AGENT_ENV_MYSQL_DATA_DIR=/var/lib/mysql
CODEBUILD_AGENT_ENV_MYSQL_LOG_DIR=/var/log/mysql
CODEBUILD_AGENT_ENV_MYSQL_RUN_DIR=/run/mysqld
CODEBUILD_AGENT_ENV_MYSQL_USER=mysql
CODEBUILD_AGENT_ENV_RUBY_MAJOR=2.2
CODEBUILD_AGENT_ENV_RUBY_VERSION=2.2.0
CODEBUILD_AGENT_NAME=/.../CODEBUILD_AGENT
CODEBUILD_AGENT_PORT=tcp://172.17.0.2:3000
CODEBUILD_AGENT_PORT_3000_TCP=tcp://172.17.0.2:3000
CODEBUILD_AGENT_PORT_3000_TCP_ADDR=172.17.0.2
CODEBUILD_AGENT_PORT_3000_TCP_PORT=3000
CODEBUILD_AGENT_PORT_3000_TCP_PROTO=tcp
CODEBUILD_AUTH_TOKEN=...
CODEBUILD_BMR_URL=https://CODEBUILD_AGENT:3000
CODEBUILD_BUILD_ARN=[Build ARN]
CODEBUILD_BUILD_ID=[Build Id]
CODEBUILD_LOG_PATH=...
CODEBUILD_SRC_DIR=/tmp/.../src
GPG_KEY=...
HOME=/root
HOSTNAME=...
LANG=C.UTF-8
PATH=/usr/local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
PWD=/tmp/.../src
PYTHON_PIP_VERSION=8.1.2
PYTHON_VERSION=2.7.12