![]() ![]() Thus, to make a universal container, we replace wildcard with environment name by sed. It prevents search speed reducing by the high amount of data is in the index. In my case, for each environment, and for each service, doesn't matter host machine or docker application, we create a separate index. Sh -c "echo 'starting' > /tmp/splunk-container.state" HEALTHCHECK -interval=30s -timeout=30s -start-period=3m -retries=5 CMD /sbin/checkstate.sh || exit 1Įcho "'SPLUNK_INDEX' env variable is empty or not defined. & /splunkforwarder/bin/splunk install app /splunkclouduf.spl -auth admin:changeme \ & echo "%sudo ALL=NOPASSWD:ALL" > /etc/sudoers \ RUN chmod +x /splunkforwarder/bin/scripts/*.sh \ # Grant execute permissions, add user, execute pre-configuration I'll tell more about it below.ĬOPY ĬOPY splunkclouduf.spl /splunkclouduf.splĬOPY first_start.sh /splunkforwarder/bin/ # Everything is simple with shell scripts, but nf, splunkclouduf.spl and first_start.sh should have an explanation. # expect - for the first run step of Splunk for build stage # Define env variables only once and don't define it any more ![]() To skip the boring part, there is a final image: What if we execute all the commands during build stage? Let's go on! Thus, every time you run the container, you will download binaries, unpack it, configure it. Included: /opt/ansible/roles/splunk_common/tasks/get_facts.yml for localhost Included: /opt/ansible/roles/splunk_common/tasks/change_splunk_directory_owner.yml for localhost $ docker run -it -p 9997:9997 -e 'SPLUNK_START_ARGS=-accept-license' -e 'SPLUNK_PASSWORD=password' splunk/universalforwarder:latest If you run official container in the interactive mode, you will: Log into container docker exec -it /bin/bashīut this is not the last surprise. Run container with parameters you need $ docker run -d -p 9997:9997 -e 'SPLUNK_START_ARGS=-accept-license' -e 'SPLUNK_PASSWORD=' splunk/universalforwarder:latestģ. Pull image $ docker pull splunk/universalforwarder:latestĢ. Let's start with the official way which seems weird with the Docker using. Goal: gather system's logs from the Docker nodes without changing the host's machine configuration And that's not a reason not to write the how-to articles about this product. Even now, when Splunk has stopped sales in the Russian Federation. Splunk is the most known commercial product to gather and analyze logs. ![]()
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