166 lines
4.8 KiB
Bash
166 lines
4.8 KiB
Bash
#!/bin/bash
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set -e
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shopt -s nullglob
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showUsage()
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{
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me="$(basename "$0")"
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cat <<EOF
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Usage: $me [OPTION] PATH
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Deploys a prebuilt s6-rc configuration profile. It requires an already running
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s6-svscan service.
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Options:
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-p, --profile=NAME Name of the Nix profile that stores the sysvinit scripts
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(defaults to: processes)
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--state-dir Changes the directory in which the state of the
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processes are stored
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--runtime-dir Changes the directory in which the PID files are stored
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--log-dir Changes the directory in which the log files are stored
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--tmp-dir Changes the directory in which temp files are stored
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--cache-dir Changes the directory in which cache files are stored
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--spool-dir Changes the directory in which spool files are stored
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--lock-dir Changes the directory in which lock files are stored
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--lib-dir Changes the directory in which state files are stored
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--force-disable-user-change
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Forces to not create users, groups or change user
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permissions
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-h, --help Shows the usage of this command
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Environment:
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NIX_STATE_DIR Overrides the location of the Nix state directory
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NIXPROC_STATE_DIR Changes the directory in which the state of the
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processes is stored
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NIXPROC_RUNTIME_DIR Changes the directory in which the PID files are stored
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NIXPROC_LOG_DIR Changes the directory in which log files are stored
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NIXPROC_TMP_DIR Changes the directory in which temp files are stored
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NIXPROC_CACHE_DIR Changes the directory in which cache files are stored
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NIXPROC_SPOOL_DIR Changes the directory in which spool files are stored
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NIXPROC_LOCK_DIR Changes the directory in which lock files are stored
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NIXPROC_LIB_DIR Changes the directory in which state files are stored
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NIXPROC_FORCE_DISABLE_USER_CHANGE
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Forces to not create users, groups or change user
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permissions
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EOF
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}
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# Parse valid argument options
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PARAMS=`@getopt@ -n $0 -o p:h -l profile:,state-dir:,runtime-dir:,log-dir:,tmp-dir:,cache-dir:,spool-dir:,lock-dir:,lib-dir:,force-disable-user-change,help -- "$@"`
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if [ $? != 0 ]
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then
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showUsage
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exit 1
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fi
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# Evaluate valid options
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eval set -- "$PARAMS"
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while [ "$1" != "--" ]
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do
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case "$1" in
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-p|--profile)
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profile="$2"
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;;
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--state-dir)
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stateDir="$2"
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stateDirArg="--state-dir $2"
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;;
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--runtime-dir)
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runtimeDir="$2"
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runtimeDirArg="--runtime-dir $2"
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;;
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--log-dir)
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logDirArg="--log-dir $2"
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;;
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--tmp-dir)
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tmpDirArg="--tmp-dir $2"
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;;
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--cache-dir)
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cacheDirArg="--cache-dir $2"
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;;
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--spool-dir)
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spoolDirArg="--spool-dir $2"
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;;
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--lock-dir)
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lockDirArg="--lock-dir $2"
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;;
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--lib-dir)
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libDirArg="--lib-dir $2"
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;;
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--force-disable-user-change)
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forceDisableUserChangeArg="--force-disable-user-change"
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;;
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-h|--help)
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showUsage
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exit 0
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;;
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esac
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shift
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done
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shift
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profilePath="$1"
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# Validate the given options
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source @commonchecks@
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source @s6rcchecks@
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checkNixStateDir
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checkProfile
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checkStateDir
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checkRuntimeDir
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checkScanDir
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compileDir="$stateDir/etc/s6/rc"
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liveDir="$runtimeDir/s6-rc"
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# Initialize all state
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nixproc-init-state $stateDirArg $runtimeDirArg $logDirArg $tmpDirArg $cacheDirArg $spoolDirArg $lockDirArg $libDirArg $forceDisableUserChangeArg
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# Create new groups and users
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createNewGroups
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createNewUsers
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# Undeploy all obsolete services, deploy new services
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# Derive the compiled database name from the hash code of the profile
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profileName="$(basename "$profilePath")"
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compiledDatabaseName="compiled-${profileName:0:32}"
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mkdir -p "$compileDir"
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if [ ! -e "$compileDir/$compiledDatabaseName" ]
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then
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s6-rc-compile $compileDir/$compiledDatabaseName $profilePath/etc/s6/sv
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fi
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if [ -d "$liveDir" ]
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then
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# Only update when the database to be deployed is different
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if [ ! -e "$compileDir/compiled" ] || [ "$(@readlink@ -f $compileDir/$compiledDatabaseName)" != "$(@readlink@ -f $compileDir/compiled)" ]
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then
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s6-rc-update -l $liveDir $compileDir/$compiledDatabaseName
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rm -rf $(@readlink@ -f $compileDir/compiled)
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fi
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else
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s6-rc-init -c $compileDir/$compiledDatabaseName -l $liveDir $scanDir
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fi
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s6-rc -l $liveDir -u change default
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ln -sfn $compileDir/$compiledDatabaseName $compileDir/compiled
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# Delete obsolete users and groups
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deleteObsoleteUsers
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deleteObsoleteGroups
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# Set new profile
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setNixProfile
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