dgiot/bin/emqx_ctl
2021-05-14 07:28:48 +08:00

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#!/bin/sh
# -*- tab-width:4;indent-tabs-mode:nil -*-
# ex: ts=4 sw=4 et
set -e
REL_NAME="emqx"
## constants from relx template
RUNNER_ROOT_DIR="{{ runner_root_dir }}"
ERTS_VSN="{{ erts_vsn }}"
RUNNER_ETC_DIR="{{ runner_etc_dir }}"
# Echo to stderr on errors
echoerr() { echo "$@" 1>&2; }
if [ -z "$WITH_EPMD" ]; then
EPMD_ARG="-start_epmd false -epmd_module nodetool_epmd"
else
EPMD_ARG="-start_epmd true"
fi
relx_get_nodename() {
id="longname$(relx_gen_id)-${NAME}"
"$BINDIR/erl" -boot start_clean -eval '[Host] = tl(string:tokens(atom_to_list(node()),"@")), io:format("~s~n", [Host]), halt()' -noshell ${NAME_TYPE} $id
}
# Control a node
relx_nodetool() {
command="$1"; shift
ERL_FLAGS="$ERL_FLAGS $EPMD_ARG $PROTO_DIST_ARG" \
"$ERTS_DIR/bin/escript" "$ROOTDIR/bin/nodetool" "$NAME_TYPE" "$NAME" \
-setcookie "$COOKIE" "$command" "$@"
}
# Extract the target node name from node.args
if [ -z "$NAME_ARG" ]; then
if [ ! -z "$EMQX_NODE_NAME" ]; then
NODENAME="$EMQX_NODE_NAME"
elif [ ! -z `ps -ef | grep "$ERTS_PATH/beam.smp" | grep -o -E '\-name (\S*)' | awk '{print $2}'` ]; then
NODENAME=`ps -ef | grep "$ERTS_PATH/beam.smp" | grep -o -E '\-name (\S*)' | awk '{print $2}'`
else
NODENAME=`egrep '^[ \t]*node.name[ \t]*=[ \t]*' $RUNNER_ETC_DIR/emqx.conf 2> /dev/null | tail -1 | cut -d = -f 2-`
fi
if [ -z "$NODENAME" ]; then
echoerr "vm.args needs to have a -name parameter."
echoerr " -sname is not supported."
echoerr "please check $RUNNER_ETC_DIR/emqx.conf"
exit 1
else
NAME_ARG="-name ${NODENAME# *}"
fi
fi
# Extract the name type and name from the NAME_ARG for REMSH
NAME_TYPE="$(echo "$NAME_ARG" | awk '{print $1}')"
NAME="$(echo "$NAME_ARG" | awk '{print $2}')"
# Extract the target cookie
if [ -z "$COOKIE_ARG" ]; then
if [ ! -z "$EMQX_NODE_COOKIE" ]; then
COOKIE="$EMQX_NODE_COOKIE"
elif [ ! -z `ps -ef | grep "$ERTS_PATH/beam.smp" | grep -o -E '\-setcookie (\S*)' | awk '{print $2}'` ]; then
COOKIE=`ps -ef | grep "$ERTS_PATH/beam.smp" | grep -o -E '\-setcookie (\S*)' | awk '{print $2}'`
else
COOKIE=`egrep '^[ \t]*node.cookie[ \t]*=[ \t]*' $RUNNER_ETC_DIR/emqx.conf 2> /dev/null | tail -1 | cut -d = -f 2-`
fi
if [ -z "$COOKIE" ]; then
echoerr "vm.args needs to have a -setcookie parameter."
echoerr "please check $RUNNER_ETC_DIR/emqx.conf"
exit 1
else
COOKIE_ARG="-setcookie $COOKIE"
fi
fi
# Extract cookie name from COOKIE_ARG
COOKIE="$(echo "$COOKIE_ARG" | awk '{print $2}')"
# Support for IPv6 Dist. See: https://hub.fastgit.org/emqtt/emqttd/issues/1460
PROTO_DIST=`egrep '^[ \t]*cluster.proto_dist[ \t]*=[ \t]*' $RUNNER_ETC_DIR/emqx.conf 2> /dev/null | tail -1 | cut -d = -f 2-`
if [ -z "$PROTO_DIST" ]; then
PROTO_DIST_ARG=""
else
PROTO_DIST_ARG="-proto_dist $PROTO_DIST"
fi
export ROOTDIR="$RUNNER_ROOT_DIR"
export ERTS_DIR="$ROOTDIR/erts-$ERTS_VSN"
export BINDIR="$ERTS_DIR/bin"
cd "$ROOTDIR"
relx_nodetool rpc emqx_ctl run_command "$@"