Initial code commit, results from experiments
Got something working after going through some bad ideas on personal repo: https://gitlab.com/SkipGrube/RockyLinux . -Skip Grube
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Skip Grube
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README.md
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README.md
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# RepoCompare
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# RepoCompare
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Code to compare Rocky Linux repositories against RHEL 8 ones and produce status information
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Code to compare Rocky Linux repositories against RHEL 8 ones and produce status information
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So far, a simple script that you can call to compare like-for-like RHEL 8 vs. Rocky 8 Repos.
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Example call: ```./repo_compare_html.sh RHEL8_BaseOS Rocky8_BaseOS```
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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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repo_compare_html.sh
Executable file
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repo_compare_html.sh
Executable file
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#!/bin/bash
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# Script takes 2 arguments: SOURCEREPO and TARGETREPO (ex: ./repo_compare_html.sh RHEL8_BaseOS Rocky8_BaseOS )
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# The arguments must be named dnf/yum repos on the system
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#
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# We will loop through the RPM names from SOURCEREPO, and attempt to find name/version/release matches in TARGETREPO
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# An HTML table page will be output showing the differences
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#
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# -Skip Grube, 2021-06-29
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REPO1="$1"
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REPO2="$2"
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pkglist1=`dnf repoquery --latest-limit 1 --repo ${REPO1} --queryformat "%{name} %{version} %{release}" | grep -vi " subscription "` #| tr '\n' ','`
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pkglist2=`dnf repoquery --latest-limit 1 --repo ${REPO2} --queryformat "%{name} %{version} %{release}" | grep -vi " subscription "`
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# Strip ending moduleXYZ and .el8* information away from the release info, as
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# They may not match (or will never match in the module's case)
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pkglist1=`echo "${pkglist1}" | sed -e 's/\.module.*$/\.module/g' | sed -e 's/\.el.*$//g'`
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pkglist2=`echo "${pkglist2}" | sed -e 's/\.module.*$/\.module/g' | sed -e 's/\.el.*$//g'`
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# Turn the first pkg list into a comma-separated list (instead of newline-separated)
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# (makes it easier to use IFS=',' in all of our for loops)
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pkglist1=`echo "${pkglist1}" | tr '\n' ','`
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#echo "$pkglist1" > debug1.txt
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#echo "$pkglist2" > debug2.txt
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# HTML style header for table:
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echo "<html><h3>Repo Version Differences for: ${REPO1} vs. ${REPO2}</h3>"
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echo '
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<style>
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table {
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border-collapse: collapse;
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width: 60%;
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}
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th, td {
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text-align: left;
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padding: 8px;
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}
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tr:nth-child(even) {background-color: #d4d4d4;}
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</style>
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<div style="overflow-x:auto;">
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'
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echo "
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<i>Generated by Repo Compare Script at: `date +'%Y-%m-%d %H:%M:%S'` </i>
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<br />
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<table>
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<tr><th>${REPO1} Version</th> <th>${REPO2} Version</th></tr>
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"
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IFS=','
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# Main loop to check all packages from our "source" repo
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for pkg in `echo "${pkglist1}"`; do
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# Extract name/version/tag info from package (filtering out modular + el8* info from tag)
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_name=`echo "$pkg" | awk '{print $1}'`
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_version=`echo "$pkg" | awk '{print $2}'`
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_tag=`echo "$pkg" | awk '{print $3}'` # | sed -e 's/\.module.*$/\.module/g' | sed -e 's/\.el.*$//g'`
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# every package match is false by default, until we match it
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isPkgMatched=0
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# Find any packages in the target repo with the same name as the one we're interested in from the source repo:
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# (easy to match the exact name if we include a space separator in our grep)
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# (We turn it into a comma separated list as well so we can do another for loop against the result set)
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pkgmatches=`echo "${pkglist2}" | grep "^${_name} "`
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# If there are no matches, we output a DOES NOT EXIST and don't bother with searching the results
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if [[ -z "${pkgmatches}" ]]; then
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echo "<tr> <td>${_name}-${_version}-${_tag}</td> <td>(DOES NOT EXIST)</td> </tr>"
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continue
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fi
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# Loop through each result (name matches) and look for an exact version match:
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for match in `echo "${pkgmatches}"`; do
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_name2=`echo "$match" | awk '{print $1}'`
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_version2=`echo "$match" | awk '{print $2}'`
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_tag2=`echo "$match" | awk '{print $3}'` # | tr -d ',' | sed -e 's/\.module.*$/\.module/g' | sed -e 's/\.el.*$//g'`
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#echo "DEBUG :: _tag2 == $_tag2"
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# If we find a match, then exit this loop and set the flag to found:
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if [ "${_name}-${_version}-${_tag}" == "${_name2}-${_version2}-${_tag2}" ]; then
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isPkgMatched=1
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break
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fi
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done
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# Get pkgmatches into name-version-release format:
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pkgmatches=`echo "${pkgmatches}" | sed 's/ /\-/g' | sed 's/,$//'`
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# If package is not matched, then we need to output an HTML row:
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if [ "$isPkgMatched" == "0" ]; then
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echo "<tr> <td>${_name}-${_version}-${_tag}</td> <td>${pkgmatches}</td> </tr>"
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fi
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done
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echo "</table></html>"
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