forked from testing/repocompare
79 lines
3.8 KiB
Markdown
79 lines
3.8 KiB
Markdown
# RepoCompare
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Code to compare Rocky Linux repositories against RHEL ones and produce status information in HTML format.
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Comparison can be done one at a time by calling the scripts with repos as arguments, or the "helper" scripts can be used to produce automated reports across all repos.
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These scripts can be called against any repositories, but are designed to compare Red Hat Enterprise Linux against Rocky Linux. When doing this, they **must** be run on a Red Hat Enterprise Linux system, with a valid subscription!
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## QuickStart:
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How to get a friendly HTML menu comparison of RHEL vs. Rocky (like the one published on https://repocompare.rockylinux.org ):
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1. Have a subscribed Red Hat Enterprise Linux 8 or 9 machine you are running this on, with root access.
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2. Clone or copy this repository on to the subscribed machine.
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3. Edit **repo_compare_launcher.sh**, change the **$RESULTSDIR** variable at the top to a folder where you want to store HTML output of the scripts.
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4. Run **repo_compare_launcher.sh**. It will take a while, likely between 10-30 minutes.
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5. Copy the **html/** folder to a web directory of your choice.
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6. Copy the resulting HTML files from the RESULTSDIR folder (that you specified earlier) into **html/repocompare_results/** in the same web directory.
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7. You can now browse the results via web browser with friendly headers and organized pages.
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8. Steps 4-6 can be automated via **cron** job to run on a schedule. Remember the script must be run as root! (due to RHEL DNF subscription limitations).
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9. When scheduling via `cron`, I recommend periodically wiping older html results files after 10 days or so, or the folder will become massive: `find /path/to/repocompare_results/ -iname "*.html" -type f -mtime +10 -exec rm -f {} \;`
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## Base repocompare script:
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The base script is **repo_compare_html.sh**, and takes a source repo and destination repo as arguments:
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```./repo_compare_html.sh RepoA RepoB > output.html```
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Here is an example for comparing BaseOS in RHEL vs. Rocky:
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Example call: ```./repo_compare_html.sh RHEL8_BaseOS Rocky8_BaseOS > RHEL8_Rocky8_BaseOS.html```
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WARNING: only compares default modules right now! Non-default module comparisons coming soon(tm)
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WARNING: The order of the arguments VERY MUCH MATTERS! For Rocky 8 comparisons, RHEL repos should ALWAYS come first, they are the source to compare against!
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## Module Comparisons Script:
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This is a similar script to the above RepoCompare, but will analyze all the module versions against each other from one distro to the next.
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It's called like the above script, except with a comma separated list of repositories that include modules:
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```./module_compare_html.sh RepoA,RepoB RepoX,RepoY > output.html```
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For example, a typical usage looks like this: ```./module_compare_html.sh RHEL8_AppStream,RHEL8_CodeReady Rocky8_AppStream,Rocky8_PowerTools```
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The example compares all modules found in RHEL AppStream and CodeReady against their Rocky equivalents.
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Note that only the packages contained in a module are compared. No other metadata (module version strings, etc.) is considered, as it is likely unique and not meant to be copied.
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WARNING: As with the above script, the order of the arguments absolutely matters. Generally RHEL repos should be listed first, as the source to compare against.
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## Running Comparisons Across Entire Distro
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Some support scripts and HTML templates have been included
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A couple support scripts are also in the repository:
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**mkrepofile.sh :** Create repo files for Rocky and duplicate ones with friendly names for the RHEL repos (and extract+place subscription entitlement info from RHEL, which rotates regularly)
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**repo_compare_launcher.sh :** Run all combinations of repocompare RHEL <---> Rocky. Compares 8 and 9 production, staging, source, modules, RHEL Beta, etc.
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