refactor(bin/emqx): speed up boot
The main slow-down is the overheads of booting up beam with the 'start_clean' boot file (which loads all modules). Prior to this change, beam is started multiple times in order to resolve configuration values. After this change: * For boot commands such as 'start', 'console' and 'foreground', it starts beam twice: - 1st is to check platform compatibility - 2nd is to resolve all configs required for boot in a batch * For non-boot commands, such as 'ctl' and 'ping', it does not require to start beam for config resolution at all
This commit is contained in:
Zaiming (Stone) Shi
parent
fbf6c57d46
commit
ce902b5405
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@ -351,7 +351,7 @@ fields("node") ->
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, 'readOnly' => true
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})}
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, {"dist_net_ticktime",
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sc(emqx_schema:duration(),
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sc(emqx_schema:duration_s(),
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#{ mapping => "vm_args.-kernel net_ticktime"
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, default => "2m"
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, 'readOnly' => true
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236
bin/emqx
236
bin/emqx
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@ -10,6 +10,7 @@ if [ "$DEBUG" -eq 1 ]; then
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fi
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RUNNER_ROOT_DIR="$(cd "$(dirname "$(readlink "$0" || echo "$0")")"/..; pwd -P)"
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# shellcheck disable=SC1090,SC1091
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. "$RUNNER_ROOT_DIR"/releases/emqx_vars
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@ -39,7 +40,7 @@ export ERTS_LIB_DIR="$RUNNER_ROOT_DIR/lib"
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DYNLIBS_DIR="$RUNNER_ROOT_DIR/dynlibs"
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# Echo to stderr on errors
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echoerr() { echo "ERROR: $*" 1>&2; }
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echoerr() { echo -e "$*" 1>&2; }
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die() {
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echoerr "ERROR: $1"
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@ -53,20 +54,6 @@ assert_node_alive() {
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fi
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}
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# Echo to stderr on errors
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echoerr() { echo "$*" 1>&2; }
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check_erlang_start() {
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# RELEASE_LIB is used by Elixir
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"$BINDIR/$PROGNAME" \
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-noshell \
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-boot_var RELEASE_LIB "$ERTS_LIB_DIR/lib" \
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-boot "$REL_DIR/start_clean" \
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-s crypto start \
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-s erlang halt
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}
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usage() {
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local command="$1"
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@ -194,7 +181,7 @@ usage() {
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echo "More:"
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echo " Shell attach: remote_console | attach"
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echo " Up/Down-grade: upgrade | downgrade | install | uninstall"
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echo " Install info: ertspath | root_dir | versions"
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echo " Install info: ertspath | root_dir"
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echo " Runtime info: pid | ping | versions"
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echo " Advanced: console_clean | escript | rpc | rpcterms | eval | eval-erl"
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echo ''
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@ -221,25 +208,23 @@ if [ "${2:-}" = 'help' ]; then
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fi
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fi
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if ! check_erlang_start >/dev/null 2>&1; then
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BUILD_INFO="$(cat "${REL_DIR}/BUILD_INFO")"
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## failed to start, might be due to missing libs, try to be portable
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export LD_LIBRARY_PATH="${LD_LIBRARY_PATH:-$DYNLIBS_DIR}"
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if [ "$LD_LIBRARY_PATH" != "$DYNLIBS_DIR" ]; then
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export LD_LIBRARY_PATH="$DYNLIBS_DIR:$LD_LIBRARY_PATH"
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fi
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deps_hint="Please make sure openssl-1.1.1 (libcrypto), libncurses and libatomic1 are installed."
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if ! check_erlang_start; then
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## it's hopeless
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echoerr "FATAL: Unable to start Erlang."
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echoerr "$deps_hint"
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echoerr "Also ensure it's running on the correct platform:"
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echoerr "$BUILD_INFO"
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exit 1
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fi
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echoerr "Using libs from '${DYNLIBS_DIR}' due to missing from the OS."
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echoerr "$deps_hint"
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fi
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## IS_BOOT_COMMAND is set for later to inspect node name and cookie from hocon config (or env variable)
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case "${COMMAND}" in
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start|console|console_clean|foreground)
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IS_BOOT_COMMAND='yes'
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;;
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ertspath)
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echo "$ERTS_DIR"
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exit 0
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;;
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root_dir)
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echo "$RUNNER_ROOT_DIR"
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exit 0
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;;
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*)
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IS_BOOT_COMMAND='no'
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;;
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esac
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## backward compatible
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if [ -d "$ERTS_DIR/lib" ]; then
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@ -272,6 +257,68 @@ if [ "$ES" -ne 0 ]; then
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exit $ES
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fi
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COMPATIBILITY_CHECK='
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io:format("BEAM_OK~n", []),
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try
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[_|_] = L = crypto:info_lib(),
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io:format("CRYPTO_OK ~0p~n", [L])
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catch
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_ : _ ->
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%% so logger has the chance to log something
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timer:sleep(100),
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halt(1)
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end,
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try
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mnesia_hook:module_info(),
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io:format("MNESIA_OK~n", [])
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catch
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_ : _ ->
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io:format("WARNING: Mnesia app has no post-coommit hook support~n", []),
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halt(2)
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end,
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halt(0).
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'
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compatiblity_info() {
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# RELEASE_LIB is used by Elixir
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"$BINDIR/$PROGNAME" \
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-noshell \
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-boot_var RELEASE_LIB "$ERTS_LIB_DIR/lib" \
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-boot "$REL_DIR/start_clean" \
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-eval "$COMPATIBILITY_CHECK"
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}
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# Collect Eralng/OTP runtime sanity and compatibility in one go
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if [ "$IS_BOOT_COMMAND" = 'yes' ]; then
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# Read BUILD_INFO early as the next commands may mess up the shell
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BUILD_INFO="$(cat "${REL_DIR}/BUILD_INFO")"
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COMPATIBILITY_INFO="$(compatiblity_info 2>/dev/null || true)"
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if ! (echo -e "$COMPATIBILITY_INFO" | grep -q 'CRYPTO_OK'); then
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## failed to start, might be due to missing libs, try to be portable
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export LD_LIBRARY_PATH="${LD_LIBRARY_PATH:-$DYNLIBS_DIR}"
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if [ "$LD_LIBRARY_PATH" != "$DYNLIBS_DIR" ]; then
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export LD_LIBRARY_PATH="$DYNLIBS_DIR:$LD_LIBRARY_PATH"
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fi
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COMPATIBILITY_INFO="$(compatiblity_info 2>&1 || true)"
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if ! (echo -e "$COMPATIBILITY_INFO" | grep -q 'BEAM_OK'); then
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## not able to start beam.smp
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echoerr "$COMPATIBILITY_INFO"
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echoerr "Please ensure it is running on the correct platform:"
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echoerr "$BUILD_INFO"
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echoerr "Version=$REL_VSN"
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echoerr "Required dependencies: openssl-1.1.1 (libcrypto), libncurses and libatomic1"
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exit 1
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elif ! (echo -e "$COMPATIBILITY_INFO" | grep -q 'CRYPTO_OK'); then
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## not able to start crypto app
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echoerr "$COMPATIBILITY_INFO"
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exit 2
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fi
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echoerr "Using libs from '${DYNLIBS_DIR}' due to missing from the OS."
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fi
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export COMPATIBILITY_INFO
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fi
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NO_EPMD="-start_epmd false -epmd_module ekka_epmd -proto_dist ekka"
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EPMD_ARGS="${EPMD_ARGS:-${NO_EPMD}}"
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@ -356,22 +403,66 @@ call_hocon() {
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|| die "call_hocon_failed: $*" $?
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}
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get_config_value() {
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## Resolve boot configs in a batch
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## This is because starting the Erlang beam with all modules loaded
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## and parsing HOCON config + environment variables is a non-trivial task
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CONF_KEYS=( 'node.data_dir' 'node.name' 'node.cookie' 'db.backend' )
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if [ "$IS_ENTERPRISE" = 'yes' ]; then
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CONF_KEYS+=( 'license.file' 'license.key' )
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fi
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if [ "$IS_BOOT_COMMAND" = 'yes' ]; then
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if [ "${EMQX_BOOT_CONFIGS:-}" = '' ]; then
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EMQX_BOOT_CONFIGS="$(call_hocon -s "$SCHEMA_MOD" -c "$EMQX_ETC_DIR"/emqx.conf multi_get "${CONF_KEYS[@]}")"
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## export here so the 'console' command recursively called from
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## 'start' command does not have to parse the configs again
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export EMQX_BOOT_CONFIGS
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fi
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else
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# For non-boot commands, we try to get data_dir from ps -ef command
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# shellcheck disable=SC2009
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PS_LINE="$(ps -ef | grep "\-[r]oot $RUNNER_ROOT_DIR" | grep -oE "\-emqx_data_dir.*"|| true)"
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if [ "$(echo -e "$PS_LINE" | wc -l)" -eq 1 ]; then
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## only one emqx node is running
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## strip 'emqx_data_dir ' and ' --' because the dir in between may contain spaces
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DATA_DIR="$(echo -e "$PS_LINE" | sed -e 's#.\+emqx_data_dir\s##g' | sed -e 's#\s--$##g')"
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if [ "$DATA_DIR" = '' ]; then
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## this should not happen unless -emqx_data_dir is not set
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die "node_is_not_running!" 1
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fi
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EMQX_BOOT_CONFIGS="node.data_dir=$DATA_DIR"
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else
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## None or more than one node is running, resolve from boot config
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EMQX_BOOT_CONFIGS="$(call_hocon -s "$SCHEMA_MOD" -c "$EMQX_ETC_DIR"/emqx.conf multi_get "${CONF_KEYS[@]}")"
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fi
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fi
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get_boot_config() {
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path_to_value="$1"
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call_hocon -s "$SCHEMA_MOD" -c "$EMQX_ETC_DIR"/emqx.conf get "$path_to_value" | tr -d \"
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echo -e "$EMQX_BOOT_CONFIGS" | grep "$path_to_value=" | sed -e "s/$path_to_value=//g" | tr -d \"
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}
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DATA_DIR="$(get_boot_config 'node.data_dir')"
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# ensure no trailing /
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DATA_DIR="${DATA_DIR%/}"
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if [[ $DATA_DIR != /* ]]; then
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# relative path
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DATA_DIR="${RUNNER_ROOT_DIR}/${DATA_DIR}"
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fi
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CONFIGS_DIR="$DATA_DIR/configs"
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mkdir -p "$CONFIGS_DIR"
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check_license() {
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if [ "$IS_ENTERPRISE" == "no" ]; then
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return 0
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fi
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file_license="${EMQX_LICENSE__FILE:-$(get_config_value license.file)}"
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file_license="${EMQX_LICENSE__FILE:-$(get_boot_config 'license.file')}"
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if [[ -n "$file_license" && ("$file_license" != "undefined") ]]; then
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call_nodetool check_license_file "$file_license"
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else
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key_license="${EMQX_LICENSE__KEY:-$(get_config_value license.key)}"
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key_license="${EMQX_LICENSE__KEY:-$(get_boot_config 'license.key')}"
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if [[ -n "$key_license" && ("$key_license" != "undefined") ]]; then
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call_nodetool check_license_key "$key_license"
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@ -396,15 +487,6 @@ relx_start_command() {
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"$START_OPTION"
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}
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DATA_DIR="$(get_config_value 'node.data_dir')"
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DATA_DIR="${DATA_DIR%/}"
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if [[ $DATA_DIR != /* ]]; then
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# relative
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DATA_DIR="${RUNNER_ROOT_DIR}/${DATA_DIR}"
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fi
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CONFIGS_DIR="$DATA_DIR/configs"
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mkdir -p "$CONFIGS_DIR"
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# Function to generate app.config and vm.args
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# sets two environment variables CONF_FILE and ARGS_FILE
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generate_config() {
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@ -416,7 +498,7 @@ generate_config() {
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## timestamp for each generation
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local NOW_TIME
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NOW_TIME="$(call_hocon now_time)"
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NOW_TIME="$(date +'%Y.%m.%d.%H.%M.%S')"
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## this command populates two files: app.<time>.config and vm.<time>.args
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## NOTE: the generate command merges environment variables to the base config (emqx.conf),
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@ -524,7 +606,7 @@ latest_vm_args() {
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if [ -f "$vm_args_file" ]; then
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echo "$vm_args_file"
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else
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echoerr "ERROR: node not initialized?"
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echoerr "Node not initialized?"
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echoerr "Generated config file vm.*.args is not found for command '$COMMAND'"
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echoerr "in config dir: $CONFIGS_DIR"
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echoerr "In case the file has been deleted while the node is running,"
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@ -575,31 +657,6 @@ maybe_log_to_console() {
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fi
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}
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# check if using an OTP version that has the mnesia_hook patch for use
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# in mria.
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is_otp_compatible() {
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"$BINDIR/$PROGNAME" \
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-noshell \
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-boot_var RELEASE_LIB "$ERTS_LIB_DIR/lib" \
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-boot "$REL_DIR/start_clean" \
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-eval 'try mnesia_hook:module_info() of _ -> init:stop() catch _:_ -> halt(1) end.' >/dev/null 2>&1
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}
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## IS_BOOT_COMMAND is set for later to inspect node name and cookie from hocon config (or env variable)
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case "${COMMAND}" in
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start|console|console_clean|foreground)
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IS_BOOT_COMMAND='yes'
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;;
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ertspath)
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echo "$ERTS_DIR"
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exit 0
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;;
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*)
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IS_BOOT_COMMAND='no'
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;;
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esac
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## make EMQX_NODE_COOKIE right
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if [ -n "${EMQX_NODE_NAME:-}" ]; then
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export EMQX_NODE__NAME="${EMQX_NODE_NAME}"
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unset EMQX_NODE_NAME
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@ -613,7 +670,7 @@ NAME="${EMQX_NODE__NAME:-}"
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if [ -z "$NAME" ]; then
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if [ "$IS_BOOT_COMMAND" = 'yes' ]; then
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# for boot commands, inspect emqx.conf for node name
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NAME="$(get_config_value node.name)"
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NAME="$(get_boot_config 'node.name')"
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else
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vm_args_file="$(latest_vm_args 'EMQX_NODE__NAME')"
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NAME="$(grep -E '^-s?name' "${vm_args_file}" | awk '{print $2}')"
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@ -643,7 +700,7 @@ fi
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COOKIE="${EMQX_NODE__COOKIE:-}"
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if [ -z "$COOKIE" ]; then
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if [ "$IS_BOOT_COMMAND" = 'yes' ]; then
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COOKIE="$(get_config_value node.cookie)"
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COOKIE="$(get_boot_config 'node.cookie')"
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else
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vm_args_file="$(latest_vm_args 'EMQX_NODE__COOKIE')"
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COOKIE="$(grep -E '^-setcookie' "${vm_args_file}" | awk '{print $2}')"
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@ -654,18 +711,14 @@ if [ -z "$COOKIE" ]; then
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die "Please set node.cookie in $EMQX_ETC_DIR/emqx.conf or override from environment variable EMQX_NODE__COOKIE"
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fi
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## check if OTP version has mnesia_hook patch; if not, fallback to
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## check if OTP version has mnesia_hook feature; if not, fallback to
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## using Mnesia DB backend.
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if [[ "${EMQX_DB__BACKEND:-}" != "mnesia"
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|| "${EMQX_DB__ROLE:-}" != "core" ]]; then
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if [[ "$IS_BOOT_COMMAND" == 'yes'
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&& "$(get_config_value 'db.backend')" == "rlog" ]]; then
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if ! is_otp_compatible; then
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echoerr "DB Backend is RLOG, but an incompatible OTP version has been detected. Falling back to using Mnesia DB backend."
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if [[ "$IS_BOOT_COMMAND" == 'yes' && "$(get_boot_config 'db.backend')" == "rlog" ]]; then
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if ! (echo -e "$COMPATIBILITY_INFO" | grep -q 'MNESIA_OK'); then
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echoerr "DB Backend is RLOG, but an incompatible OTP version has been detected. Falling back to using Mnesia DB backend."
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export EMQX_DB__BACKEND=mnesia
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export EMQX_DB__ROLE=core
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fi
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fi
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fi
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cd "$RUNNER_ROOT_DIR"
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@ -843,12 +896,13 @@ case "${COMMAND}" in
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# Setup beam-required vars
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EMU="beam"
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PROGNAME="${0#*/}"
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PROGNAME="${0}"
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export EMU
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export PROGNAME
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# Store passed arguments since they will be erased by `set`
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# add emqx_data_dir to boot command so it is visible from 'ps -ef'
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ARGS="$*"
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# shellcheck disable=SC2086
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|
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@ -879,10 +933,10 @@ case "${COMMAND}" in
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fi
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# Log the startup
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logger -t "${REL_NAME}[$$]" "EXEC: $* -- ${1+$ARGS}"
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logger -t "${REL_NAME}[$$]" "EXEC: $* -- ${1+$ARGS} -emqx_data_dir ${DATA_DIR}"
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# Start the VM
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exec "$@" -- ${1+$ARGS}
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exec "$@" -- ${1+$ARGS} -emqx_data_dir "${DATA_DIR}"
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;;
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ctl)
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@ -906,12 +960,6 @@ case "${COMMAND}" in
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relx_nodetool rpcterms "$@"
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;;
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root_dir)
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assert_node_alive
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shift
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relx_nodetool "eval" 'code:root_dir()'
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;;
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eval)
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assert_node_alive
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|
|
|
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24
bin/emqx.cmd
24
bin/emqx.cmd
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@ -24,9 +24,7 @@
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|||
|
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@set script=%~n0
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:: for attach and remote_console
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@set EPMD_ARG=-start_epmd false -epmd_module ekka_epmd -proto_dist ekka
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||||
:: for erl command
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@set ERL_FLAGS=%EPMD_ARG%
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|
||||
:: Discover the release root directory from the directory
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|
|
@ -70,22 +68,13 @@
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@set EMQX_DB__ROLE=core
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@set conf_path="%etc_dir%\emqx.conf"
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:: Extract node name from emqx.conf
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@for /f "usebackq delims=" %%I in (`"%escript% %nodetool% hocon -s %schema_mod% -c %conf_path% get node.name"`) do @(
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@call :set_trim node_name %%I
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)
|
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@set node_name=%node_name:"=%
|
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|
||||
:: Extract node cookie from emqx.conf
|
||||
@for /f "usebackq delims=" %%I in (`"%escript% %nodetool% hocon -s %schema_mod% -c %conf_path% get node.cookie"`) do @(
|
||||
@call :set_trim node_cookie %%I
|
||||
@for /f "usebackq tokens=1,2 delims==" %%a in (`"%escript% %nodetool% hocon -s %schema_mod% -c %conf_path% multi_get node.name node.cookie node.data_dir"`) do @(
|
||||
if "%%a"=="node.name" set node_name=%%b
|
||||
if "%%a"=="node.cookie" set node_cookie=%%b
|
||||
if "%%a"=="node.data_dir" set data_dir=%%b
|
||||
)
|
||||
@set node_cookie=%node_cookie:"=%
|
||||
|
||||
:: Extract data_dir from emqx.conf
|
||||
@for /f "usebackq delims=" %%I in (`"%escript% %nodetool% hocon -s %schema_mod% -c %conf_path% get node.data_dir"`) do @(
|
||||
@call :set_trim data_dir %%I
|
||||
)
|
||||
@set data_dir=%data_dir:"=%
|
||||
:: remove trailing /
|
||||
@if %data_dir:~-1%==/ SET data_dir=%data_dir:~0,-1%
|
||||
|
|
@ -238,8 +227,3 @@ cd /d %rel_root_dir%
|
|||
:attach
|
||||
%erl_exe% -hidden -remsh "%node_name%" -boot "%clean_boot_file_name%" "%node_type%" "remsh_%node_name%" -setcookie "%node_cookie%"
|
||||
@goto :eof
|
||||
|
||||
:: Trim variable
|
||||
:set_trim
|
||||
@set %1=%2
|
||||
@goto :eof
|
||||
|
|
|
|||
2
build
2
build
|
|
@ -70,7 +70,7 @@ make_doc() {
|
|||
local libs_dir1 libs_dir2
|
||||
libs_dir1="$("$FIND" "_build/default/lib/" -maxdepth 2 -name ebin -type d)"
|
||||
libs_dir2="$("$FIND" "_build/$PROFILE/lib/" -maxdepth 2 -name ebin -type d)"
|
||||
libs_dir3="$("$FIND" "_build/$PROFILE/checkouts/" -maxdepth 2 -name ebin -type d || true)"
|
||||
libs_dir3="$("$FIND" "_build/$PROFILE/checkouts/" -maxdepth 2 -name ebin -type d 2>/dev/null || true)"
|
||||
case $PROFILE in
|
||||
emqx-enterprise)
|
||||
SCHEMA_MODULE='emqx_enterprise_conf_schema'
|
||||
|
|
|
|||
Loading…
Reference in New Issue