DevOps Classroomnotes 20/May/2023

Fixing logstash issue with elastic cloud

  • We had issue with pipeline id. removed the pipeline field
  • restarted all the services and executing requests from a script
  • so filebeat reads the logs and sends to logstash, logstash breaks the message into multiple fields and stores in elastic search with index name apachelog-*
  • Now create a data view from kibana
    Preview
    Preview
  • Watch the classroom video for visualizations
  • We were able to search logs by writing simple queries and create pie charts, line charts, metric etc

Lets trace some java application

  • Installing sample application

    • openjdk 11
      sudo apt update
      sudo apt install openjdk-11-jdk -y
    • download the jar file Refer Here
  • Open APM
    Preview
    Preview
    Preview
  • Java app tracing
    Preview
  • Download apm-agent jar wget https://oss.sonatype.org/service/local/repositories/releases/content/co/elastic/apm/elastic-apm-agent/1.38.0/elastic-apm-agent-1.38.0.jar
  • We have run the app with following args
java -javaagent:elastic-apm-agent-1.38.0.jar \
-Delastic.apm.service_name=pet-clinic \
-Delastic.apm.secret_token=uu0Dl9Q09RFfMdq86p \
-Delastic.apm.server_url=https://eff6e04ad9d6425fa3492b1a56f794a3.apm.us-central1.gcp.cloud.es.io:443 \
-Delastic.apm.environment=dev \
-Delastic.apm.application_packages=org.spring \
-jar spring-petclinic-2.4.2.jar
  • Use the application and launch apm
    Preview
    Preview
    Preview
    Preview
    Preview

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By continuous learner

devops & cloud enthusiastic learner

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