nix-processmgmt/tools/disnix/nixproc-disnix-deploy.in

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#!/bin/bash -e
# Shows the usage of this command to the user
showUsage()
{
me="$(basename "$0")"
cat <<EOF
Usage: $me [OPTION] PATH
Deploys a prebuilt Disnix manifest file meant for process management.
Options:
-p, --profile=NAME Name of the Nix profile that stores the sysvinit scripts
(defaults to: processes)
-o, --old-profile=PATH
Path to the previously deployed Nix profile (by default,
it gets auto detected)
--state-dir Changes the directory in which the state of the
processes are stored
--runtime-dir Changes the directory in which the PID files are stored
--log-dir Changes the directory in which the log files are stored
--tmp-dir Changes the directory in which temp files are stored
--cache-dir Changes the directory in which cache files are stored
--spool-dir Changes the directory in which spool files are stored
--lock-dir Changes the directory in which lock files are stored
--lib-dir Changes the directory in which state files are stored
--force-disable-user-change
Forces to not create users, groups or change user
permissions
-h, --help Shows the usage of this command
Environment:
NIXPROC_STATE_DIR Changes the directory in which the state of the
processes is stored
NIXPROC_RUNTIME_DIR Changes the directory in which the PID files are stored
NIXPROC_LOG_DIR Changes the directory in which log files are stored
NIXPROC_TMP_DIR Changes the directory in which temp files are stored
NIXPROC_CACHE_DIR Changes the directory in which cache files are stored
NIXPROC_SPOOL_DIR Changes the directory in which spool files are stored
NIXPROC_LOCK_DIR Changes the directory in which lock files are stored
NIXPROC_LIB_DIR Changes the directory in which state files are stored
NIXPROC_FORCE_DISABLE_USER_CHANGE
Forces to not create users, groups or change user
permissions
EOF
}
# Parse valid argument options
PARAMS=`@getopt@ -n $0 -o p:o:h -l profile:,old-profile:,state-dir:,runtime-dir:,log-dir:,tmp-dir:,cache-dir:,spool-dir:,lock-dir:,lib-dir:,force-disable-user-change,help -- "$@"`
if [ $? != 0 ]
then
showUsage
exit 1
fi
# Evaluate valid options
eval set -- "$PARAMS"
while [ "$1" != "--" ]
do
case "$1" in
-p|--profile)
profile="$2"
;;
-o|--old-profile)
oldProfilePath="$2"
oldProfileArg="-o $2"
;;
--state-dir)
stateDirArg="--state-dir $2"
;;
--runtime-dir)
runtimeDirArg="--runtime-dir $2"
;;
--log-dir)
logDirArg="--log-dir $2"
;;
--tmp-dir)
tmpDirArg="--tmp-dir $2"
;;
--cache-dir)
cacheDirArg="--cache-dir $2"
;;
--spool-dir)
spoolDirArg="--spool-dir $2"
;;
--lock-dir)
lockDirArg="--lock-dir $2"
;;
--lib-dir)
libDirArg="--lib-dir $2"
;;
--force-disable-user-change)
forceDisableUserChangeArg="--force-disable-user-change"
;;
-h|--help)
showUsage
exit 0
;;
esac
shift
done
shift
profilePath="$1"
# Validate the given options
source @commonchecks@
checkProfile
composeOldProfilePath
if [ "$profilePath" = "" ]
then
echo "No profile path was provided!" >&2
exit 1
fi
# Initialize all state
nixproc-init-state $stateDirArg $runtimeDirArg $logDirArg $tmpDirArg $cacheDirArg $spoolDirArg $lockDirArg $libDirArg $forceDisableUserChangeArg
# Execute the deployment with Disnix
disnix-deploy $oldProfileArg $profilePath