refactor(mix): undo the `bin/emqx` script split into helper files

This commit is contained in:
Thales Macedo Garitezi 2021-12-30 12:02:36 -03:00
parent 54a6674715
commit c608f4eaff
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GPG Key ID: DD279F8152A9B6DD
7 changed files with 364 additions and 394 deletions

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@ -1,62 +0,0 @@
#!/usr/bin/env bash
DEBUG="${DEBUG:-0}"
if [ "$DEBUG" -eq 1 ]; then
set -x
fi
ROOT_DIR="$(cd "$(dirname "$(readlink "$0" || echo "$0")")"/.. || exit 1; pwd -P)"
# shellcheck disable=SC1090,SC1091
. "$ROOT_DIR"/releases/emqx_vars
# defined in emqx_vars
export RUNNER_ROOT_DIR
export RUNNER_ETC_DIR
export REL_VSN
export RUNNER_SCRIPT="$RUNNER_BIN_DIR/$REL_NAME"
export CODE_LOADING_MODE="${CODE_LOADING_MODE:-embedded}"
export REL_DIR="$RUNNER_ROOT_DIR/releases/$REL_VSN"
export SCHEMA_MOD=emqx_conf_schema
WHOAMI=$(whoami)
export WHOAMI
# Make sure data/configs exists
export CONFIGS_DIR="$RUNNER_DATA_DIR/configs"
# hocon try to read environment variables starting with "EMQX_"
export HOCON_ENV_OVERRIDE_PREFIX='EMQX_'
export ROOTDIR="$RUNNER_ROOT_DIR"
export ERTS_DIR="$ROOTDIR/erts-$ERTS_VSN"
export BINDIR="$ERTS_DIR/bin"
export EMU="beam"
export PROGNAME="erl"
export ERTS_LIB_DIR="$ERTS_DIR/../lib"
export DYNLIBS_DIR="$RUNNER_ROOT_DIR/dynlibs"
## backward compatible
if [ -d "$ERTS_DIR/lib" ]; then
export LD_LIBRARY_PATH="$ERTS_DIR/lib:$LD_LIBRARY_PATH"
fi
# EPMD_ARG="-start_epmd true $PROTO_DIST_ARG"
NO_EPMD="-start_epmd false -epmd_module ekka_epmd -proto_dist ekka"
EPMD_ARG="${EPMD_ARG:-${NO_EPMD}}"
# Warn the user if ulimit -n is less than 1024
ULIMIT_F=$(ulimit -n)
if [ "$ULIMIT_F" -lt 1024 ]; then
echo "!!!!"
echo "!!!! WARNING: ulimit -n is ${ULIMIT_F}; 1024 is the recommended minimum."
echo "!!!!"
fi
SED_REPLACE="sed -i "
case $(sed --help 2>&1) in
*GNU*) SED_REPLACE="sed -i ";;
*BusyBox*) SED_REPLACE="sed -i ";;
*) SED_REPLACE=(sed -i '' );;
esac
export SED_REPLACE

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@ -1,69 +0,0 @@
#!/usr/bin/env bash
## NOTE: those are defined separately from `common_defs.sh` because
## they require `common_functions.sh` to be sourced prior to sourcing
## this file. Basically, the definitions below depend on the function
## `call_hocon`, which is defined in `common_functions.sh`. Also,
## they require the variable `IS_BOOT_COMMAND` to be set to either
## `yes` or `no` for the name definition to be done properly.
## This should be sourced after the calling script has define the
## `$COMMAND` variable.
## make EMQX_NODE_COOKIE right
if [ -n "${EMQX_NODE_NAME:-}" ]; then
export EMQX_NODE__NAME="${EMQX_NODE_NAME}"
unset EMQX_NODE_NAME
fi
## Possible ways to configure emqx node name:
## 1. configure node.name in emqx.conf
## 2. override with environment variable EMQX_NODE__NAME
## Node name is either short-name (without '@'), e.g. 'emqx'
## or long name (with '@') e.g. 'emqx@example.net' or 'emqx@127.0.0.1'
NAME="${EMQX_NODE__NAME:-}"
if [ -z "$NAME" ]; then
if [ "$IS_BOOT_COMMAND" = 'yes' ]; then
# for boot commands, inspect emqx.conf for node name
NAME="$(call_hocon -s "$SCHEMA_MOD" -I "$CONFIGS_DIR/" -c "$RUNNER_ETC_DIR"/emqx.conf get node.name | tr -d \")"
else
vm_args_file="$(latest_vm_args 'EMQX_NODE__NAME')"
NAME="$(grep -E '^-s?name' "${vm_args_file}" | awk '{print $2}')"
fi
fi
# force to use 'emqx' short name
[ -z "$NAME" ] && NAME='emqx'
export MNESIA_DATA_DIR="$RUNNER_DATA_DIR/mnesia/$NAME"
case "$NAME" in
*@*)
NAME_TYPE='-name'
;;
*)
NAME_TYPE='-sname'
esac
export NAME_TYPE
SHORT_NAME="$(echo "$NAME" | awk -F'@' '{print $1}')"
export ESCRIPT_NAME="$SHORT_NAME"
PIPE_DIR="${PIPE_DIR:-/$RUNNER_DATA_DIR/${WHOAMI}_erl_pipes/$NAME/}"
## make EMQX_NODE_COOKIE right
if [ -n "${EMQX_NODE_COOKIE:-}" ]; then
export EMQX_NODE__COOKIE="${EMQX_NODE_COOKIE}"
unset EMQX_NODE_COOKIE
fi
COOKIE="${EMQX_NODE__COOKIE:-}"
if [ -z "$COOKIE" ]; then
if [ "$IS_BOOT_COMMAND" = 'yes' ]; then
COOKIE="$(call_hocon -s "$SCHEMA_MOD" -I "$CONFIGS_DIR/" -c "$RUNNER_ETC_DIR"/emqx.conf get node.cookie | tr -d \")"
else
vm_args_file="$(latest_vm_args 'EMQX_NODE__COOKIE')"
COOKIE="$(grep -E '^-setcookie' "${vm_args_file}" | awk '{print $2}')"
fi
fi
if [ -z "$COOKIE" ]; then
die "Please set node.cookie in $RUNNER_ETC_DIR/emqx.conf or override from environment variable EMQX_NODE__COOKIE"
fi

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@ -1,246 +0,0 @@
#!/usr/bin/env bash
# Echo to stderr on errors
echoerr() { echo "ERROR: $*" 1>&2; }
die() {
echoerr "ERROR: $1"
errno=${2:-1}
exit "$errno"
}
assert_node_alive() {
if ! relx_nodetool "ping" > /dev/null; then
die "node_is_not_running!" 1
fi
}
check_erlang_start() {
"$BINDIR/$PROGNAME" \
-noshell \
-boot_var RELEASE_LIB "$ERTS_LIB_DIR/lib" \
-boot "$REL_DIR/start_clean" \
-s crypto start \
-s erlang halt
}
# Simple way to check the correct user and fail early
check_user() {
# Validate that the user running the script is the owner of the
# RUN_DIR.
if [ "$RUNNER_USER" ] && [ "x$WHOAMI" != "x$RUNNER_USER" ]; then
if [ "x$WHOAMI" != "xroot" ]; then
echo "You need to be root or use sudo to run this command"
exit 1
fi
CMD="DEBUG=$DEBUG \"$RUNNER_SCRIPT\" "
for ARG in "$@"; do
CMD="${CMD} \"$ARG\""
done
# This will drop priviledges into the runner user
# It exec's in a new shell and the current shell will exit
exec su - "$RUNNER_USER" -c "$CMD"
fi
}
# Get node pid
relx_get_pid() {
if output="$(relx_nodetool rpcterms os getpid)"
then
# shellcheck disable=SC2001 # Escaped quote taken as closing quote in editor
echo "$output" | sed -e 's/"//g'
return 0
else
echo "$output"
return 1
fi
}
# Connect to a remote node
relx_rem_sh() {
# Generate a unique id used to allow multiple remsh to the same node
# transparently
id="remsh$(relx_gen_id)-${NAME}"
# Get the node's ticktime so that we use the same thing.
TICKTIME="$(relx_nodetool rpcterms net_kernel get_net_ticktime)"
# shellcheck disable=SC2086 # $EPMD_ARG is supposed to be split by whitespace
# shellcheck disable=SC2153 # $NAME_TYPE is defined by `common_defs2.sh`, which runs before this is called
# Setup remote shell command to control node
if [ "$IS_ELIXIR" = "yes" ]
then
exec "$REL_DIR/iex" \
--remsh "$NAME" \
--boot-var RELEASE_LIB "$ERTS_LIB_DIR" \
--cookie "$COOKIE" \
--hidden \
--erl "-kernel net_ticktime $TICKTIME" \
--erl "$EPMD_ARG" \
--erl "$NAME_TYPE $id" \
--boot "$REL_DIR/start_clean"
else
exec "$BINDIR/erl" "$NAME_TYPE" "$id" \
-remsh "$NAME" -boot "$REL_DIR/start_clean" \
-boot_var ERTS_LIB_DIR "$ERTS_LIB_DIR" \
-setcookie "$COOKIE" -hidden -kernel net_ticktime "$TICKTIME" \
$EPMD_ARG
fi
}
# Generate a random id
relx_gen_id() {
od -t x -N 4 /dev/urandom | head -n1 | awk '{print $2}'
}
# Control a node
relx_nodetool() {
command="$1"; shift
ERL_FLAGS="${ERL_FLAGS:-} $EPMD_ARG" \
"$ERTS_DIR/bin/escript" "$ROOTDIR/bin/nodetool" "$NAME_TYPE" "$NAME" \
-setcookie "$COOKIE" "$command" "$@"
}
call_hocon() {
"$ERTS_DIR/bin/escript" "$ROOTDIR/bin/nodetool" hocon "$@" \
|| die "call_hocon_failed: $*" $?
}
# Run an escript in the node's environment
relx_escript() {
shift; scriptpath="$1"; shift
"$ERTS_DIR/bin/escript" "$ROOTDIR/$scriptpath" "$@"
}
# Output a start command for the last argument of run_erl.
# The calling script defines `$START_OPTION`, when the command is to
# start EMQX in the background.
relx_start_command() {
printf "exec \"%s\" \"%s\"" "$RUNNER_SCRIPT" \
"$START_OPTION"
}
# Function to generate app.config and vm.args
generate_config() {
local name_type="$1"
local node_name="$2"
## Delete the *.siz files first or it cann't start after
## changing the config 'log.rotation.size'
rm -rf "${RUNNER_LOG_DIR}"/*.siz
EMQX_LICENSE_CONF_OPTION=""
if [ "${EMQX_LICENSE_CONF:-}" != "" ]; then
EMQX_LICENSE_CONF_OPTION="-c ${EMQX_LICENSE_CONF}"
fi
## timestamp for each generation
local NOW_TIME
NOW_TIME="$(call_hocon now_time)"
## ths command populates two files: app.<time>.config and vm.<time>.args
## NOTE: the generate command merges environment variables to the base config (emqx.conf),
## but does not include the cluster-override.conf and local-override.conf
## meaning, certain overrides will not be mapped to app.<time>.config file
## disable SC2086 to allow EMQX_LICENSE_CONF_OPTION to split
# shellcheck disable=SC2086
call_hocon -v -t "$NOW_TIME" -I "$CONFIGS_DIR/" -s $SCHEMA_MOD -c "$RUNNER_ETC_DIR"/emqx.conf $EMQX_LICENSE_CONF_OPTION -d "$RUNNER_DATA_DIR"/configs generate
## filenames are per-hocon convention
local CONF_FILE="$CONFIGS_DIR/app.$NOW_TIME.config"
local HOCON_GEN_ARG_FILE="$CONFIGS_DIR/vm.$NOW_TIME.args"
# This is needed by the Elixir scripts.
# Do NOT append `.config`.
RELEASE_SYS_CONFIG="$CONFIGS_DIR/app.$NOW_TIME"
export RELEASE_SYS_CONFIG
CONFIG_ARGS="-config $CONF_FILE -args_file $HOCON_GEN_ARG_FILE"
## Merge hocon generated *.args into the vm.args
TMP_ARG_FILE="$CONFIGS_DIR/vm.args.tmp"
cp "$RUNNER_ETC_DIR/vm.args" "$TMP_ARG_FILE"
echo "" >> "$TMP_ARG_FILE"
echo "-pa ${REL_DIR}/consolidated" >> "$TMP_ARG_FILE"
## read lines from generated vm.<time>.args file
## drop comment lines, and empty lines using sed
## pipe the lines to a while loop
sed '/^#/d' "$HOCON_GEN_ARG_FILE" | sed '/^$/d' | while IFS='' read -r ARG_LINE || [ -n "$ARG_LINE" ]; do
## in the loop, split the 'key[:space:]value' pair
ARG_KEY=$(echo "$ARG_LINE" | awk '{$NF="";print}')
ARG_VALUE=$(echo "$ARG_LINE" | awk '{print $NF}')
## use the key to look up in vm.args file for the value
TMP_ARG_VALUE=$(grep "^$ARG_KEY" "$TMP_ARG_FILE" || true | awk '{print $NF}')
## compare generated (to override) value to original (to be overriden) value
if [ "$ARG_VALUE" != "$TMP_ARG_VALUE" ] ; then
## if they are different
if [ -n "$TMP_ARG_VALUE" ]; then
## if the old value is present, replace it with generated value
sh -c "$SED_REPLACE 's|^$ARG_KEY.*$|$ARG_LINE|' $TMP_ARG_FILE"
else
## otherwise append generated value to the end
echo "$ARG_LINE" >> "$TMP_ARG_FILE"
fi
fi
done
echo "$name_type $node_name" >> "$TMP_ARG_FILE"
## rename the generated vm.<time>.args file
mv -f "$TMP_ARG_FILE" "$HOCON_GEN_ARG_FILE"
# shellcheck disable=SC2086
if ! relx_nodetool chkconfig $CONFIG_ARGS; then
die "failed_to_check_config $CONFIG_ARGS"
fi
}
# check if a PID is down
is_down() {
PID="$1"
if ps -p "$PID" >/dev/null; then
# still around
# shellcheck disable=SC2009 # this grep pattern is not a part of the progra names
if ps -p "$PID" | grep -q 'defunct'; then
# zombie state, print parent pid
parent="$(ps -o ppid= -p "$PID" | tr -d ' ')"
echo "WARN: $PID is marked <defunct>, parent:"
ps -p "$parent"
return 0
fi
return 1
fi
# it's gone
return 0
}
wait_for() {
local WAIT_TIME
local CMD
WAIT_TIME="$1"
shift
CMD="$*"
while true; do
if $CMD >/dev/null 2>&1; then
return 0
fi
if [ "$WAIT_TIME" -le 0 ]; then
return 1
fi
WAIT_TIME=$((WAIT_TIME - 1))
sleep 1
done
}
latest_vm_args() {
local hint_var_name="$1"
local vm_args_file
vm_args_file="$(find "$CONFIGS_DIR" -type f -name "vm.*.args" | sort | tail -1)"
if [ -f "$vm_args_file" ]; then
echo "$vm_args_file"
else
echoerr "node not initialized?"
# shellcheck disable=SC2153 # $COMMAND is defined by the calling script
echoerr "Generated config file vm.*.args is not found for command '$COMMAND'"
echoerr "in config dir: $CONFIGS_DIR"
echoerr "In case the file has been deleted while the node is running,"
echoerr "set environment variable '$hint_var_name' to continue"
exit 1
fi
}

372
bin/emqx
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@ -4,11 +4,311 @@
set -euo pipefail
BASE="$(cd "$(dirname "$(readlink "$0" || echo "$0")")"/..; pwd -P)"
DEBUG="${DEBUG:-0}"
if [ "$DEBUG" -eq 1 ]; then
set -x
fi
ROOT_DIR="$(cd "$(dirname "$(readlink "$0" || echo "$0")")"/.. || exit 1; pwd -P)"
# shellcheck disable=SC1090,SC1091
source "$BASE/bin/common_defs.sh"
# shellcheck disable=SC1090,SC1091
source "$BASE/bin/common_functions.sh"
. "$ROOT_DIR"/releases/emqx_vars
# defined in emqx_vars
export RUNNER_ROOT_DIR
export RUNNER_ETC_DIR
export REL_VSN
export RUNNER_SCRIPT="$RUNNER_BIN_DIR/$REL_NAME"
export CODE_LOADING_MODE="${CODE_LOADING_MODE:-embedded}"
export REL_DIR="$RUNNER_ROOT_DIR/releases/$REL_VSN"
export SCHEMA_MOD=emqx_conf_schema
WHOAMI=$(whoami)
export WHOAMI
# Make sure data/configs exists
export CONFIGS_DIR="$RUNNER_DATA_DIR/configs"
# hocon try to read environment variables starting with "EMQX_"
export HOCON_ENV_OVERRIDE_PREFIX='EMQX_'
export ROOTDIR="$RUNNER_ROOT_DIR"
export ERTS_DIR="$ROOTDIR/erts-$ERTS_VSN"
export BINDIR="$ERTS_DIR/bin"
export EMU="beam"
export PROGNAME="erl"
export ERTS_LIB_DIR="$ERTS_DIR/../lib"
export DYNLIBS_DIR="$RUNNER_ROOT_DIR/dynlibs"
## backward compatible
if [ -d "$ERTS_DIR/lib" ]; then
export LD_LIBRARY_PATH="$ERTS_DIR/lib:$LD_LIBRARY_PATH"
fi
# EPMD_ARG="-start_epmd true $PROTO_DIST_ARG"
NO_EPMD="-start_epmd false -epmd_module ekka_epmd -proto_dist ekka"
EPMD_ARG="${EPMD_ARG:-${NO_EPMD}}"
# Warn the user if ulimit -n is less than 1024
ULIMIT_F=$(ulimit -n)
if [ "$ULIMIT_F" -lt 1024 ]; then
echo "!!!!"
echo "!!!! WARNING: ulimit -n is ${ULIMIT_F}; 1024 is the recommended minimum."
echo "!!!!"
fi
SED_REPLACE="sed -i "
case $(sed --help 2>&1) in
*GNU*) SED_REPLACE="sed -i ";;
*BusyBox*) SED_REPLACE="sed -i ";;
*) SED_REPLACE=(sed -i '' );;
esac
export SED_REPLACE
# Echo to stderr on errors
echoerr() { echo "ERROR: $*" 1>&2; }
die() {
echoerr "ERROR: $1"
errno=${2:-1}
exit "$errno"
}
assert_node_alive() {
if ! relx_nodetool "ping" > /dev/null; then
die "node_is_not_running!" 1
fi
}
check_erlang_start() {
"$BINDIR/$PROGNAME" \
-noshell \
-boot_var RELEASE_LIB "$ERTS_LIB_DIR/lib" \
-boot "$REL_DIR/start_clean" \
-s crypto start \
-s erlang halt
}
# Simple way to check the correct user and fail early
check_user() {
# Validate that the user running the script is the owner of the
# RUN_DIR.
if [ "$RUNNER_USER" ] && [ "x$WHOAMI" != "x$RUNNER_USER" ]; then
if [ "x$WHOAMI" != "xroot" ]; then
echo "You need to be root or use sudo to run this command"
exit 1
fi
CMD="DEBUG=$DEBUG \"$RUNNER_SCRIPT\" "
for ARG in "$@"; do
CMD="${CMD} \"$ARG\""
done
# This will drop priviledges into the runner user
# It exec's in a new shell and the current shell will exit
exec su - "$RUNNER_USER" -c "$CMD"
fi
}
# Get node pid
relx_get_pid() {
if output="$(relx_nodetool rpcterms os getpid)"
then
# shellcheck disable=SC2001 # Escaped quote taken as closing quote in editor
echo "$output" | sed -e 's/"//g'
return 0
else
echo "$output"
return 1
fi
}
# Connect to a remote node
relx_rem_sh() {
# Generate a unique id used to allow multiple remsh to the same node
# transparently
id="remsh$(relx_gen_id)-${NAME}"
# Get the node's ticktime so that we use the same thing.
TICKTIME="$(relx_nodetool rpcterms net_kernel get_net_ticktime)"
# shellcheck disable=SC2086 # $EPMD_ARG is supposed to be split by whitespace
# shellcheck disable=SC2153 # $NAME_TYPE is defined above
# Setup remote shell command to control node
if [ "$IS_ELIXIR" = "yes" ]
then
exec "$REL_DIR/iex" \
--remsh "$NAME" \
--boot-var RELEASE_LIB "$ERTS_LIB_DIR" \
--cookie "$COOKIE" \
--hidden \
--erl "-kernel net_ticktime $TICKTIME" \
--erl "$EPMD_ARG" \
--erl "$NAME_TYPE $id" \
--boot "$REL_DIR/start_clean"
else
exec "$BINDIR/erl" "$NAME_TYPE" "$id" \
-remsh "$NAME" -boot "$REL_DIR/start_clean" \
-boot_var ERTS_LIB_DIR "$ERTS_LIB_DIR" \
-setcookie "$COOKIE" -hidden -kernel net_ticktime "$TICKTIME" \
$EPMD_ARG
fi
}
# Generate a random id
relx_gen_id() {
od -t x -N 4 /dev/urandom | head -n1 | awk '{print $2}'
}
# Control a node
relx_nodetool() {
command="$1"; shift
ERL_FLAGS="${ERL_FLAGS:-} $EPMD_ARG" \
"$ERTS_DIR/bin/escript" "$ROOTDIR/bin/nodetool" "$NAME_TYPE" "$NAME" \
-setcookie "$COOKIE" "$command" "$@"
}
call_hocon() {
"$ERTS_DIR/bin/escript" "$ROOTDIR/bin/nodetool" hocon "$@" \
|| die "call_hocon_failed: $*" $?
}
# Run an escript in the node's environment
relx_escript() {
shift; scriptpath="$1"; shift
"$ERTS_DIR/bin/escript" "$ROOTDIR/$scriptpath" "$@"
}
# Output a start command for the last argument of run_erl.
# The calling script defines `$START_OPTION`, when the command is to
# start EMQX in the background.
relx_start_command() {
printf "exec \"%s\" \"%s\"" "$RUNNER_SCRIPT" \
"$START_OPTION"
}
# Function to generate app.config and vm.args
generate_config() {
local name_type="$1"
local node_name="$2"
## Delete the *.siz files first or it cann't start after
## changing the config 'log.rotation.size'
rm -rf "${RUNNER_LOG_DIR}"/*.siz
EMQX_LICENSE_CONF_OPTION=""
if [ "${EMQX_LICENSE_CONF:-}" != "" ]; then
EMQX_LICENSE_CONF_OPTION="-c ${EMQX_LICENSE_CONF}"
fi
## timestamp for each generation
local NOW_TIME
NOW_TIME="$(call_hocon now_time)"
## ths command populates two files: app.<time>.config and vm.<time>.args
## NOTE: the generate command merges environment variables to the base config (emqx.conf),
## but does not include the cluster-override.conf and local-override.conf
## meaning, certain overrides will not be mapped to app.<time>.config file
## disable SC2086 to allow EMQX_LICENSE_CONF_OPTION to split
# shellcheck disable=SC2086
call_hocon -v -t "$NOW_TIME" -I "$CONFIGS_DIR/" -s $SCHEMA_MOD -c "$RUNNER_ETC_DIR"/emqx.conf $EMQX_LICENSE_CONF_OPTION -d "$RUNNER_DATA_DIR"/configs generate
## filenames are per-hocon convention
local CONF_FILE="$CONFIGS_DIR/app.$NOW_TIME.config"
local HOCON_GEN_ARG_FILE="$CONFIGS_DIR/vm.$NOW_TIME.args"
# This is needed by the Elixir scripts.
# Do NOT append `.config`.
RELEASE_SYS_CONFIG="$CONFIGS_DIR/app.$NOW_TIME"
export RELEASE_SYS_CONFIG
CONFIG_ARGS="-config $CONF_FILE -args_file $HOCON_GEN_ARG_FILE"
## Merge hocon generated *.args into the vm.args
TMP_ARG_FILE="$CONFIGS_DIR/vm.args.tmp"
cp "$RUNNER_ETC_DIR/vm.args" "$TMP_ARG_FILE"
echo "" >> "$TMP_ARG_FILE"
echo "-pa ${REL_DIR}/consolidated" >> "$TMP_ARG_FILE"
## read lines from generated vm.<time>.args file
## drop comment lines, and empty lines using sed
## pipe the lines to a while loop
sed '/^#/d' "$HOCON_GEN_ARG_FILE" | sed '/^$/d' | while IFS='' read -r ARG_LINE || [ -n "$ARG_LINE" ]; do
## in the loop, split the 'key[:space:]value' pair
ARG_KEY=$(echo "$ARG_LINE" | awk '{$NF="";print}')
ARG_VALUE=$(echo "$ARG_LINE" | awk '{print $NF}')
## use the key to look up in vm.args file for the value
TMP_ARG_VALUE=$(grep "^$ARG_KEY" "$TMP_ARG_FILE" || true | awk '{print $NF}')
## compare generated (to override) value to original (to be overriden) value
if [ "$ARG_VALUE" != "$TMP_ARG_VALUE" ] ; then
## if they are different
if [ -n "$TMP_ARG_VALUE" ]; then
## if the old value is present, replace it with generated value
sh -c "$SED_REPLACE 's|^$ARG_KEY.*$|$ARG_LINE|' $TMP_ARG_FILE"
else
## otherwise append generated value to the end
echo "$ARG_LINE" >> "$TMP_ARG_FILE"
fi
fi
done
echo "$name_type $node_name" >> "$TMP_ARG_FILE"
## rename the generated vm.<time>.args file
mv -f "$TMP_ARG_FILE" "$HOCON_GEN_ARG_FILE"
# shellcheck disable=SC2086
if ! relx_nodetool chkconfig $CONFIG_ARGS; then
die "failed_to_check_config $CONFIG_ARGS"
fi
}
# check if a PID is down
is_down() {
PID="$1"
if ps -p "$PID" >/dev/null; then
# still around
# shellcheck disable=SC2009 # this grep pattern is not a part of the progra names
if ps -p "$PID" | grep -q 'defunct'; then
# zombie state, print parent pid
parent="$(ps -o ppid= -p "$PID" | tr -d ' ')"
echo "WARN: $PID is marked <defunct>, parent:"
ps -p "$parent"
return 0
fi
return 1
fi
# it's gone
return 0
}
wait_for() {
local WAIT_TIME
local CMD
WAIT_TIME="$1"
shift
CMD="$*"
while true; do
if $CMD >/dev/null 2>&1; then
return 0
fi
if [ "$WAIT_TIME" -le 0 ]; then
return 1
fi
WAIT_TIME=$((WAIT_TIME - 1))
sleep 1
done
}
latest_vm_args() {
local hint_var_name="$1"
local vm_args_file
vm_args_file="$(find "$CONFIGS_DIR" -type f -name "vm.*.args" | sort | tail -1)"
if [ -f "$vm_args_file" ]; then
echo "$vm_args_file"
else
echoerr "node not initialized?"
# shellcheck disable=SC2153 # $COMMAND is defined by the calling script
echoerr "Generated config file vm.*.args is not found for command '$COMMAND'"
echoerr "in config dir: $CONFIGS_DIR"
echoerr "In case the file has been deleted while the node is running,"
echoerr "set environment variable '$hint_var_name' to continue"
exit 1
fi
}
# Make sure log directory exists
mkdir -p "$RUNNER_LOG_DIR"
@ -173,9 +473,8 @@ if [ "$ES" -ne 0 ]; then
exit $ES
fi
## IS_BOOT_COMMAND is set to be later used by `common_defs2.sh` to
## inspect node name and cookie from hocon config (or env variable),
## which also resides in `common_defs2.sh`.
## IS_BOOT_COMMAND is set to be later used by `generate_config()` to
## inspect node name and cookie from hocon config (or env variable)
case "${COMMAND}" in
start|console|console_clean|foreground)
IS_BOOT_COMMAND='yes'
@ -186,8 +485,63 @@ case "${COMMAND}" in
esac
export IS_BOOT_COMMAND
# shellcheck disable=SC1090,SC1091
source "$BASE/bin/common_defs2.sh"
## make EMQX_NODE_COOKIE right
if [ -n "${EMQX_NODE_NAME:-}" ]; then
export EMQX_NODE__NAME="${EMQX_NODE_NAME}"
unset EMQX_NODE_NAME
fi
## Possible ways to configure emqx node name:
## 1. configure node.name in emqx.conf
## 2. override with environment variable EMQX_NODE__NAME
## Node name is either short-name (without '@'), e.g. 'emqx'
## or long name (with '@') e.g. 'emqx@example.net' or 'emqx@127.0.0.1'
NAME="${EMQX_NODE__NAME:-}"
if [ -z "$NAME" ]; then
if [ "$IS_BOOT_COMMAND" = 'yes' ]; then
# for boot commands, inspect emqx.conf for node name
NAME="$(call_hocon -s "$SCHEMA_MOD" -I "$CONFIGS_DIR/" -c "$RUNNER_ETC_DIR"/emqx.conf get node.name | tr -d \")"
else
vm_args_file="$(latest_vm_args 'EMQX_NODE__NAME')"
NAME="$(grep -E '^-s?name' "${vm_args_file}" | awk '{print $2}')"
fi
fi
# force to use 'emqx' short name
[ -z "$NAME" ] && NAME='emqx'
export MNESIA_DATA_DIR="$RUNNER_DATA_DIR/mnesia/$NAME"
case "$NAME" in
*@*)
NAME_TYPE='-name'
;;
*)
NAME_TYPE='-sname'
esac
export NAME_TYPE
SHORT_NAME="$(echo "$NAME" | awk -F'@' '{print $1}')"
export ESCRIPT_NAME="$SHORT_NAME"
PIPE_DIR="${PIPE_DIR:-/$RUNNER_DATA_DIR/${WHOAMI}_erl_pipes/$NAME/}"
## make EMQX_NODE_COOKIE right
if [ -n "${EMQX_NODE_COOKIE:-}" ]; then
export EMQX_NODE__COOKIE="${EMQX_NODE_COOKIE}"
unset EMQX_NODE_COOKIE
fi
COOKIE="${EMQX_NODE__COOKIE:-}"
if [ -z "$COOKIE" ]; then
if [ "$IS_BOOT_COMMAND" = 'yes' ]; then
COOKIE="$(call_hocon -s "$SCHEMA_MOD" -I "$CONFIGS_DIR/" -c "$RUNNER_ETC_DIR"/emqx.conf get node.cookie | tr -d \")"
else
vm_args_file="$(latest_vm_args 'EMQX_NODE__COOKIE')"
COOKIE="$(grep -E '^-setcookie' "${vm_args_file}" | awk '{print $2}')"
fi
fi
if [ -z "$COOKIE" ]; then
die "Please set node.cookie in $RUNNER_ETC_DIR/emqx.conf or override from environment variable EMQX_NODE__COOKIE"
fi
cd "$ROOTDIR"

View File

@ -305,7 +305,6 @@ permafy(TargetNode, RelName, Vsn) ->
?INFO("Made release permanent: ~p", [Vsn]),
%% upgrade/downgrade the scripts by replacing them
Scripts = [RelNameStr, RelNameStr ++ "_ctl",
"common_defs.sh", "common_defs2.sh", "common_functions.sh",
"nodetool", "install_upgrade.escript"],
[{ok, _} = file:copy(filename:join(["bin", File++"-"++Vsn]),
filename:join(["bin", File]))

View File

@ -312,10 +312,7 @@ defmodule EMQXUmbrella.MixProject do
for name <- [
"emqx",
"emqx_ctl",
"common_defs.sh",
"common_defs2.sh",
"common_functions.sh"
"emqx_ctl"
] do
Mix.Generator.copy_file(
"bin/#{name}",

View File

@ -328,9 +328,6 @@ relx_overlay(ReleaseType, Edition) ->
, {template, "data/emqx_vars", "releases/emqx_vars"}
, {template, "data/BUILT_ON", "releases/{{release_version}}/BUILT_ON"}
, {copy, "bin/emqx", "bin/emqx"}
, {copy, "bin/common_defs.sh", "bin/common_defs.sh"}
, {copy, "bin/common_defs2.sh", "bin/common_defs2.sh"}
, {copy, "bin/common_functions.sh", "bin/common_functions.sh"}
, {copy, "bin/emqx_ctl", "bin/emqx_ctl"}
, {copy, "bin/node_dump", "bin/node_dump"}
, {copy, "bin/install_upgrade.escript", "bin/install_upgrade.escript"}