193 lines
6.5 KiB
Bash
193 lines
6.5 KiB
Bash
#!/bin/bash
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set -e
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shopt -s nullglob
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# Shows the usage of this command to the user
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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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or: $me --undeploy [OPTION]
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or: $me --rollback [OPTION]
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or: $me --switch-generation NUM [OPTION]
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or: $me --list-generations [OPTION]
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or: $me --delete-generations NUM [OPTION]
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or: $me --delete-all-generations NUM [OPTION]
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This command repopulates a folder with Synit configuration files and updates
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the configuration so that obsolete services will be stoppped and new services
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will be started.
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If the provided path is a file then it is considered a Nix expression that
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produces a Nix profile. If the provided path is a directory, then it is
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considered a pre-built Nix profile.
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Options:
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--undeploy Undeploys all previously deployed processes
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--rollback Rolls back to the previous deployment
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--switch-generation=NUM
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Switches to a previous deployment generation
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--list-generations
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Lists all profile generations of the current deployment
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--delete-generations=NUM
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Deletes the specified generations. The number can
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correspond to generation numbers, days (d postfix) or
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'old'.
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--delete-all-generations
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Deletes all profile generations. This is useful when a
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deployment has been discarded
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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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-o, --old-profile=PATH
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Path to the previously deployed Nix profile (by default,
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it gets auto detected)
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--runlevel=LEVEL Specifies which runlevel to activate (defaults to the
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runlevel of the system)
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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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--show-trace Shows a trace of the output
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--extra-params=PARAMS
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A string with an attribute set in the Nix expression
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language propagating extra parameters to the input models
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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_PROCESSES Path to a processes model
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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 $0 -o p:o:h -l undeploy,rollback,switch-generation:,list-generations,delete-generations:,delete-all-generations,profile:,old-profile:,state-dir:,runtime-dir:,log-dir:,tmp-dir:,cache-dir:,spool-dir:,lock-dir:,lib-dir:,force-disable-user-change,runlevel:,show-trace,extra-params:,help -- "$@"`
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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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--undeploy)
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undeploy=1
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;;
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--rollback)
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operation="switchGenerations"
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;;
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--switch-to-generation)
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operation="switchGenerations"
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generationId=$2
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;;
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--list-generations)
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operation="listGenerations"
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;;
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--delete-generations)
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operation="deleteGenerations"
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generations="$2"
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;;
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--delete-all-generations)
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operation="deleteAllGenerations"
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;;
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-p|--profile)
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profileArg="-p $2"
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;;
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-o|--old-profile)
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oldProfileArg="-o $2"
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;;
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--state-dir)
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stateDirArg="--state-dir $2"
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;;
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--runtime-dir)
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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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--runlevel)
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runlevel="$2"
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runlevelArg="--runlevel $runlevel"
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;;
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--show-trace)
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showTraceArg="--show-trace"
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;;
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--extra-params)
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extraParamsArg=("--extra-params" "$2")
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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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# Validate the given options
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source @commonchecks@
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checkProcessesFile "$1"
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checkNixStateDir
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checkProfile
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composeProfileBaseDir
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# Execute the deployment
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deploy()
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{
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nixproc-synit-deploy $runlevelArg $profileArg $oldProfileArg $profilePath $stateDirArg $runtimeDirArg $logDirArg $tmpDirArg $cacheDirArg $spoolDirArg $lockDirArg $libDirArg $forceDisableUserChange
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}
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executeDeploymentOperation synit
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