148 lines
5.3 KiB
Bash
148 lines
5.3 KiB
Bash
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#!/bin/bash
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# Simple script that takes a list of the modular packages in a group of repositories (like AppStream,CodeReady from RHEL 8) and
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# compares them with the modules in another distribution (Like AppStream,PowerTools from Rocky 8)
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#
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# It uses straight dnf calls for its data, and requires the repos to be defined in repos.d/. Also requires git
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#
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# All modules and version are iterated over and compared.
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#
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# Usage takes the pattern : ./module_compare_html.sh REPO_A,REPO_B,REPO_C REPO_X,REPO_Y,REPO_Z
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#
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# Example: ./modules_compare_html.sh RHEL8_AppStream,RHEL8_CodeReady Rocky8_AppStream,Rocky8_PowerTools
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#
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REPOS1=$1
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REPOS2=$2
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# Get a complete list of modules+versions we want to compare against (usually from RHEL 8)
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# This includes a list that consists of things like "perl:5.24 , perl:5.26 , python38:3.8" , etc.
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MODULE_LIST1=$(dnf --disablerepo '*' --enablerepo "${REPOS1}" module list |
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grep -v '^Name' |
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grep -v '(RPMs)' |
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grep -v 'Hint:' |
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grep -vi ' subscription ' |
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grep -vi ' metadata ' |
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grep -v '^$' |
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awk '{print $1":"$2}')
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IFS='
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'
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mkdir -p /tmp/module_compare
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rm -f /tmp/module_compare/*
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# HTML header:
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echo "<html><h3>Module Artifact Comparison for: ${REPOS1} vs. ${REPOS2}</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: 90%;
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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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<p>
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<i>Generated by Rocky Module Compare Script at: $(date +'%Y-%m-%d %H:%M:%S') </i>
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<br />
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<p>
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<table>
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<tr> <th width=\"20%\">Module Name:Version</th> <th width=\"40%\">${REPOS1} Pkg Diffs (-)</th> <th width=\"40%\">${REPOS2} Pkg Diffs (+)</th> </tr>
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"
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# Big loop where we go through every possible module/version combination:
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for module in ${MODULE_LIST1}; do
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# MODULE1 == complete module info from the 1st repos, while MODULE2 == complete module info from 2nd repos
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# This includes all the different versions/releases, so we want to filter for the latest later
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MODULE1=$(dnf --disablerepo '*' --enablerepo "${REPOS1}" module info "${module}" 2> /dev/null)
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MODULE2=$(dnf --disablerepo '*' --enablerepo "${REPOS2}" module info "${module}" 2> /dev/null)
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# Isolate the latest released version of each module, that's the only one we're intrested in (indicated by the "Version :" line in module info)
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latest_version1=$(echo "${MODULE1}" | grep 'Version ' | awk '{print $3}' | sort -n | tail -1)
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latest_version2=$(echo "${MODULE2}" | grep 'Version ' | awk '{print $3}' | sort -n | tail -1)
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# Isolate individual module artifacts and write them (sorted) to a text file
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# order of operations: awk to find version string through blank line,
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# awk to find "Requires :" line,
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# sed to remove "Artifacts",
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# awk to isolate module rpm artifact ($2),
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# sed to remove the distro tag after module (module+el8.4.0+xyz)
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# sed to remove the git hash after "module+" ONLY IF we have a minor patch release (ie. module ends in a ".1.x86_64" or a ".2.src" or something similar)
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# sed to remove everything after .module in the normal case (no minor patch release at the end)
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#everything after ".module" (which is unique per-distro), except for ending ".$arch" (src/noarch/x86_64/etc.)
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# remove any blank lines,
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# and finally sort and write to text file
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echo "${MODULE1}" |
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awk "/${latest_version1}/ { show=1; next } show; /^$/ { show=0 }" |
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awk "/Requires / { show=1; next } show; /^$/ { show=0 }" |
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sed 's/Artifacts //' |
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awk '{print $2}' |
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sed 's/module+.*+/module+/g' |
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sed 's/module+.*\.\(.*\)\./module.\1./g' |
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sed 's/module+.*\./module./g' |
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grep -v '^$' |
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sort > "/tmp/module_compare/${module}_1"
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# Do the same isolation of module rpms for module 2 and write that to a text file
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echo "${MODULE2}" |
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awk "/${latest_version2}/ { show=1; next } show; /^$/ { show=0 }" |
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awk "/Requires / { show=1; next } show; /^$/ { show=0 }" |
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sed 's/Artifacts //' |
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awk '{print $2}' |
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sed 's/module+.*+/module+/g' |
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sed 's/module+.*\.\(.*\)\./module.\1./g' |
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sed 's/module+.*\./module./g' |
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grep -v '^$' |
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sort > "/tmp/module_compare/${module}_2"
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# Get list of differences from source repo (the "-" in git diff)
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diff1=$(git --no-pager diff "/tmp/module_compare/${module}_1" "/tmp/module_compare/${module}_2" | grep -A1000 '@@' | grep '^\-' | sort)
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# and the "+" (repo2):
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diff2=$(git --no-pager diff "/tmp/module_compare/${module}_1" "/tmp/module_compare/${module}_2" | grep -A1000 '@@' | grep '^\+' | sort)
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# If module artifacts are completely identical, then we will say as much:
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if [[ -z "${diff1}" ]] && [[ -z "${diff2}" ]]; then
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diff1="Identical Packages"
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diff2="Identical Packages"
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fi
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# If module 2 is empty, then it doesn't exist:
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if [ -s "/tmp/module_compare/${module}_1" ] && [ ! -s "/tmp/module_compare/${module}_2" ]; then
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diff1="N/A"
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diff2="<b>Module packages not found</b>"
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fi
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# swap line endings for <br /> to make html friendly looking:
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diff1=$(echo "${diff1}" | sed 's/$/<br \/>/')
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diff2=$(echo "${diff2}" | sed 's/$/<br \/>/')
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# Now, write the table row line:
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echo "<tr> <td><b>${module}</b></td> <td>${diff1}</td> <td>${diff2}</td> </tr>"
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done
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echo "</table></html>"
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