This guide is for existing Python applications that have been build on Cocktail Cloud.
Additionally, the Python application in this guide was created based on 'Flask '
1. Image creation via SDK
1) Build/Pipeline - Build details of the Python application for which you want to collect logs from the build.
2) Click on the image build task to edit
Copy ...
# flask 애플리케이션용 opentelemetry Sdk 다운로드
RUN pip install --upgrade pip && pip install opentelemetry-distro && opentelemetry-bootstrap -a install && pip install flask
# Log를 Export할 필수설정
ENV OTEL_EXPORTER_OTLP_ENDPOINT=$OTEL_EXPORTER_OTLP_ENDPOINT
ENV OTEL_EXPORTER_OTLP_LOGS_ENDPOINT=$OTEL_EXPORTER_OTLP_LOGS_ENDPOINT
ENV OTEL_EXPORTER_OTLP_LOGS_HEADERS=$OTEL_EXPORTER_OTLP_LOGS_HEADERS
ENV OTEL_SERVICE_NAME=$OTEL_SERVICE_NAME
ENV OTEL_LOGS_EXPORTER=$OTEL_LOGS_EXPORTER
# Python 애플리케이션 로깅을 위한 필수 설정
ENV OTEL_PYTHON_LOGGING_AUTO_INSTRUMENTATION_ENABLED=true
# metric과 trace를 수집하지 않기 위한 none 처리
ENV OTEL_METRICS_EXPORTER=none
ENV OTEL_TRACES_EXPORTER=none
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1) Logging - Copy the token of the application created in Application Management
2) In Container Details - Settings - Environment Variables tab, set environment variables as follows
Copy apiVersion: apps/v1
kind: Deployment
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spec:
...
template:
spec:
containers:
- env:
# opentelemetry collector svc address (eg. http://log-agent-cocktail-log-agent.cocktail-addon:4318)
- name: OTEL_EXPORTER_OTLP_ENDPOINT
value: {log-agent Service address}:4318
# Log service address of opentelemetry collector (eg. http://log-agent-cocktail-log-agent.cocktail-addon:4318/v1/logs)
- name: OTEL_EXPORTER_OTLP_LOGS_ENDPOINT
value: {log-agent Service address}:4318/v1/logs
# Settings using opelemetry protocol
- name: OTEL_LOGS_EXPORTER
value: otlp_proto_http
# Application Name
- name: OTEL_SERVICE_NAME
value: {Application Name}
# Settings for authentication
- name: OTEL_EXPORTER_OTLP_LOGS_HEADERS
value: app_token={Application Token},app_name={Application Name}
image: {python-application image}
imagePullPolicy: Always
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1) Logging - Application Log - Search for the application you set in the application list