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#! /bin/bash
#
# Copyright (c) 2010-2011, Couchbase, Inc.
# All rights reserved
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
PATH="@PREFIX@/bin":$PATH
export PATH
ERL_LIBS="@PREFIX@/lib/ns_server/erlang/lib:@PREFIX@/lib/couchdb/erlang/lib:@PREFIX@/lib/couchdb/plugins"
export ERL_LIBS
DEFAULT_CONFIG_DIR="@PREFIX@/etc/couchdb/default.d"
DEFAULT_CONFIG_FILE="@PREFIX@/etc/couchdb/default.ini"
LOCAL_CONFIG_DIR="@PREFIX@/etc/couchdb/local.d"
LOCAL_CONFIG_FILE="@PREFIX@/etc/couchdb/local.ini"
PIDFILE="@PREFIX@/var/lib/couchbase/couchbase-server.pid"
COOKIEFILE="@PREFIX@/var/lib/couchbase/couchbase-server.cookie"
couch_start_arguments=""
LD_LIBRARY_PATH="@PREFIX@/lib":"@PREFIX@/lib/memcached":$LD_LIBRARY_PATH
export LD_LIBRARY_PATH
DYLD_LIBRARY_PATH="@PREFIX@/lib":"@PREFIX@/lib/memcached":$DYLD_LIBRARY_PATH
export DYLD_LIBRARY_PATH
ERL_CRASH_DUMP_BASE=erl_crash.dump.$(date +%s).$$
ERL_CRASH_DUMP=$ERL_CRASH_DUMP_BASE.babysitter
export ERL_CRASH_DUMP_BASE
export ERL_CRASH_DUMP
ERL_FULLSWEEP_AFTER=512
export ERL_FULLSWEEP_AFTER
# For some obscure reason erl requires HOME environment variable to be set.
if [ -z "$HOME" ]
then
export HOME=/tmp
fi
_check_nofile () {
if [ `ulimit -n` -lt 10240 ]
then
cat <<EOF
The maximum number of open files for the couchbase user is set too low.
It must be at least 10240. Normally this can be increased by adding
the following lines to /etc/security/limits.conf:
couchbase soft nofile <value>
couchbase hard nofile <value>
Where <value> is greater than 10240. The procedure may be totally
different if you're running so called "non-root/non-sudo install" or
if you've built Couchbase Server from source.
EOF
fi
}
_prepare_datadir () {
datadir="@PREFIX@/var/lib/couchbase"
test -d "$datadir" || mkdir -p "$datadir"
cd "$datadir"
}
_maybe_start_epmd () {
# Initialize distributed erlang on the system (i.e. epmd)
erl -noshell -setcookie nocookie -sname init -run init stop 2>&1 > /dev/null
if [ $? -ne 0 ]
then
exit 1
fi
}
_add_config_file () {
couch_start_arguments="$couch_start_arguments $1"
}
_add_config_dir () {
for file in "$1"/*.ini; do
if [ -r "$file" ]; then
_add_config_file "$file"
fi
done
}
_load_config () {
_add_config_file "$DEFAULT_CONFIG_FILE"
_add_config_dir "$DEFAULT_CONFIG_DIR"
_add_config_file "$LOCAL_CONFIG_FILE"
_add_config_dir "$LOCAL_CONFIG_DIR"
if [ "$COUCHDB_ADDITIONAL_CONFIG_FILE" != '' ]
then
_add_config_file "$COUCHDB_ADDITIONAL_CONFIG_FILE"
fi
}
_drop_old_crashdumps () {
KEEP="`ls -1 erl_crash.dump.* 2>/dev/null | sort | tail -n 10`"
for file in erl_crash.dump.*; do
if [[ "$KEEP" != *$file* ]]; then
rm -f $file
fi
done
}
_start() {
_check_nofile
_prepare_datadir
_maybe_start_epmd
_load_config
# note: we depend on pwd being $datadir from _prepare_datadir
_drop_old_crashdumps
umask 007
exec erl \
+A 16 \
-smp enable \
-kernel inet_dist_listen_min 21100 inet_dist_listen_max 21299 \
error_logger false \
-sasl sasl_error_logger false \
-hidden \
-name 'babysitter_of_ns_1@127.0.0.1' \
-setcookie nocookie \
$* \
-run ns_babysitter_bootstrap -- \
-couch_ini $couch_start_arguments \
-ns_babysitter cookiefile "\"$COOKIEFILE\"" \
-ns_server config_path "\"@PREFIX@/etc/couchbase/static_config\"" \
-ns_server pidfile "\"$PIDFILE\"" \
-ns_server cookiefile "\"$COOKIEFILE-ns-server\"" \
-ns_server enable_mlockall ${COUCHBASE_ENABLE_MLOCKALL:-false}
}
_stop() {
[ -f $COOKIEFILE ] || return 1
cookie=`cat "$COOKIEFILE"`
erl \
-name executioner@executioner \
-noshell \
-hidden \
-setcookie "$cookie" \
-eval "ns_babysitter_bootstrap:remote_stop('babysitter_of_ns_1@127.0.0.1')"
errcode=$?
if [ $errcode -eq 0 ]; then
rm "$COOKIEFILE"
epmd -kill >/dev/null
fi
return $errcode
}
_parse_options () {
# set +e
options=`getopt k $*`
if [ ! $? -eq 0 ]; then
return 1
fi
# set -e
eval set -- $options
if [ "-k" = "$1" ]; then
KILL=true;
fi
shift
if [ x"$KILL" = "xtrue" ]; then
_stop
else
_start $*
fi
}
_parse_options $*
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