Added a feature to enable glowroot in tomcat #148
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Release 1.15.0
Release 0.15.1
…service. It downloads the latest version (--glowroot) or you can specify an specific zip file that you already have downloaded (--glowroot-zip), by default it will listen on port 4000, but you can change it with --glowroot-port (only if glowroot is enabled by any of the other two ways). Latest version is prioritized over an specific file
tokland
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Jul 24, 2025
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Some minor in-line comments:
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A minor thing: when not using Glowroot, we see in the logs: "core-1 | warning [/opt/glowroot.zip]: zipfile is empty". The user may think something is wrong. Can we refactor to hide this or show a more descriptive log entry? |
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domain in the /etc/resolv.conf copied onto the containers This avoids the `core` container trying to determine when the `data` container has finished its execution via `curl` to get responses from any `data.search_domain` machine that might exist.
to the original content (it didn't erase contents, but overwrote any change on those folders with the files' previous version)
that is passed as arguments
-q" did not return any container, so a "-a" parameter is added to ensure all processes (even stopped) are returned
tokland
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Oct 23, 2025
| if [ -f $GLOWROOT_ZIP ] && [ ! -d $GLOWROOT_DIR ] ; then | ||
| unzip -q $GLOWROOT_ZIP -d /opt/ || [ $? -le 1 ] | ||
| status=0 | ||
| output=$(unzip -q "$GLOWROOT_ZIP" -d /opt/ 2>&1) || status=$? |
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[formatting] I'd say to test with vscode+some extension (ideally with some .editconfig so we all get the same)
src/d2_docker/glowroot.py
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| def get_glowroot_zip(command, glowroot_zip, glowroot): | ||
| logger = utils.logger | ||
| glowroot_path=None |
| def get_glowroot_zip(command, glowroot_zip, glowroot): | ||
| logger = utils.logger | ||
| glowroot_path=None | ||
| if isinstance(command, list) and command[0] == "up": |
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keeping the spirit of immutability, I'd add an explicit else to better manage glowroot_path.
README.md
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| When starting a container, there are a few options to enable glowroot on the Tomcat process: | ||
| - Use option `--glowroot-port=PORT` to specify the APM glowroot port of the Tomcat process. | ||
| - Use option `--glowroot` to use the latest version of glowroot in the Tomcat process. | ||
| - Use option `--glowroot-zip=FILE` to specify the zip file with a version of glowroot to run in the Tomcat process. |
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What's the default port if not specified?
README.md
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| When starting a container, there are a few options to enable glowroot on the Tomcat process: | ||
| - Use option `--glowroot-port=PORT` to specify the APM glowroot port of the Tomcat process. | ||
| - Use option `--glowroot` to use the latest version of glowroot in the Tomcat process. | ||
| - Use option `--glowroot-zip=FILE` to specify the zip file with a version of glowroot to run in the Tomcat process. |
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It's not clear how to the options form a group. I guess --glowroot | glowroot-zip, and --glowroot-port applies to both.
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@cgbautista can you link this PR to its task in clickup? |
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@cgbautista can you link this PR (in the description) to some task in clickup? (this one? https://app.clickup.com/t/8699xm4qd) |
tokland
approved these changes
Oct 27, 2025
…topped_containers "d2-docker rm" not clearing up containers
…_apps [FIX] -k option should keep apps, dataValues, documents, etc. upon restart
[Fix] Core container might get responses from other servers named "data"
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Added a feature to support an open source APM for the tomcat process: glowroot.
There are 3 new parameters to the
startfunction:--glowroot: it downloads the latest version of glowroot and deploys it under /opt/glowroot. Activates the APM in tomcat and allos incoming connections.--glowroot-zip=_FILE_: instead of allowing to dectect and download the latest version available, it can specify a zip file with any custom version of glowroot, in case the latest version wouldn't work with the tomcat version running or had any issues. It is ignored if--glowrootis specified.--glowroot-port=_PORT_: it allows to modify the default glowroot port exposed from 4000 to the desired one. Will not do anything if neither--glowrootnor--glowroot-zipare specified.When enabled, the exposed endpoint can be reached at
http://localhost:4000by default.