diff options
Diffstat (limited to 'src/rcl_prv_assembler.erl')
| -rw-r--r-- | src/rcl_prv_assembler.erl | 481 |
1 files changed, 477 insertions, 4 deletions
diff --git a/src/rcl_prv_assembler.erl b/src/rcl_prv_assembler.erl index 1559c2d..1709b3b 100644 --- a/src/rcl_prv_assembler.erl +++ b/src/rcl_prv_assembler.erl @@ -218,9 +218,14 @@ write_bin_file(State, Release, OutputDir, RelDir) -> VsnRel = filename:join(BinDir, RelName ++ "-" ++ RelVsn), BareRel = filename:join(BinDir, RelName), ErlOpts = rcl_state:get(State, erl_opts, ""), - StartFile = bin_file_contents(RelName, RelVsn, - rcl_release:erts(Release), - ErlOpts), + StartFile = case rcl_state:get(State, extended_start_script, false) of + false -> + bin_file_contents(RelName, RelVsn, + rcl_release:erts(Release), + ErlOpts); + true -> + extended_bin_file_contents(RelName, RelVsn, rcl_release:erts(Release), ErlOpts) + end, %% We generate the start script by default, unless the user %% tells us not too case rcl_state:get(State, generate_start_script, true) of @@ -232,6 +237,7 @@ write_bin_file(State, Release, OutputDir, RelDir) -> ok = file:write_file(BareRel, StartFile), ok = file:change_mode(BareRel, 8#777) end, + ok = file:write_file(filename:join(RelDir, "vm.args"), vm_args_file(RelName)), copy_or_generate_sys_config_file(State, Release, OutputDir, RelDir). %% @doc copy config/sys.config or generate one to releases/VSN/sys.config @@ -289,7 +295,11 @@ include_erts(State, Release, OutputDir, RelDir) -> case rcl_state:get(State, extended_start_script, false) of true -> ok = ec_file:copy(filename:join([Prefix, "bin", "start_clean.boot"]), - filename:join([OutputDir, "bin", "start_clean.boot"])); + filename:join([OutputDir, "bin", "start_clean.boot"])), + NodeToolFile = nodetool_contents(), + NodeTool = filename:join([LocalErts, "bin", "nodetool"]), + ok = file:write_file(NodeTool, NodeToolFile), + ok = file:change_mode(NodeTool, 8#777); false -> ok end, @@ -414,3 +424,466 @@ export LD_LIBRARY_PATH=$ERTS_DIR/lib cd $ROOTDIR $BINDIR/erlexec $ERL_OPTS $SYS_CONFIG -boot $REL_DIR/$REL_NAME $@">>]. + +extended_bin_file_contents(RelName, RelVsn, ErtsVsn, ErlOpts) -> + [<<"#!/bin/sh + +set -e + +SCRIPT_DIR=`dirname $0` +RELEASE_ROOT_DIR=`cd $SCRIPT_DIR/.. && pwd` +REL_NAME=">>, RelName, <<" +REL_VSN=">>, RelVsn, <<" +ERTS_VSN=">>, ErtsVsn, <<" +REL_DIR=$RELEASE_ROOT_DIR/releases/$REL_NAME-$REL_VSN +ERL_OPTS=">>, ErlOpts, <<" +PIPE_DIR=/tmp/$REL_DIR/ + +find_erts_dir() { + local erts_dir=$RELEASE_ROOT_DIR/erts-$ERTS_VSN + if [ -d \"$erts_dir\" ]; then + ERTS_DIR=$erts_dir; + ROOTDIR=$RELEASE_ROOT_DIR + else + local erl=`which erl` + local erl_root=`$erl -noshell -eval \"io:format(\\\"~s\\\", [code:root_dir()]).\" -s init stop` + ERTS_DIR=$erl_root/erts-$ERTS_VSN + ROOTDIR=$erl_root + fi + +} + +find_sys_config() { + local possible_sys=$REL_DIR/sys.config + if [ -f \"$possible_sys\" ]; then + SYS_CONFIG=\"-config $possible_sys\" + fi +} + +# Use $CWD/vm.args if exists, otherwise releases/APP_VSN/vm.args, or else etc/vm.args +if [ -e \"$CALLER_DIR/vm.args\" ]; then + VMARGS_PATH=$CALLER_DIR/vm.args + USE_DIR=$CALLER_DIR +else + USE_DIR=$REL_DIR + if [ -e \"$REL_DIR/vm.args\" ]; then + VMARGS_PATH=\"$REL_DIR/vm.args\" + else + VMARGS_PATH=\"$REL_DIR/vm.args\" + fi +fi + +RUNNER_LOG_DIR=$USE_DIR/log +# Make sure log directory exists +mkdir -p $RUNNER_LOG_DIR + +# Use releases/VSN/sys.config if it exists otherwise use etc/app.config +if [ -e \"$USE_DIR/sys.config\" ]; then + CONFIG_PATH=\"$USE_DIR/sys.config\" +else + if [ -e \"$REL_DIR/sys.config\" ]; then + CONFIG_PATH=\"$REL_DIR/sys.config\" + else + CONFIG_PATH=\"$REL_DIR/app.config\" + fi +fi + +# Extract the target node name from node.args +NAME_ARG=`egrep '^-s?name' $VMARGS_PATH` +if [ -z \"$NAME_ARG\" ]; then + echo \"vm.args needs to have either -name or -sname parameter.\" + exit 1 +fi + +# Extract the name type and name from the NAME_ARG for REMSH +REMSH_TYPE=`echo $NAME_ARG | awk '{print $1}'` +REMSH_NAME=`echo $NAME_ARG | awk '{print $2}'` + +# Note the `date +%s`, used to allow multiple remsh to the same node transparently +REMSH_NAME_ARG=\"$REMSH_TYPE remsh`date +%s`@`echo $REMSH_NAME | awk -F@ '{print $2}'`\" +REMSH_REMSH_ARG=\"-remsh $REMSH_NAME\" + +# Extract the target cookie +COOKIE_ARG=`grep '^-setcookie' $VMARGS_PATH` +if [ -z \"$COOKIE_ARG\" ]; then + echo \"vm.args needs to have a -setcookie parameter.\" + exit 1 +fi + +# Setup remote shell command to control node +REMSH=\"$ERTS_PATH/erl $REMSH_NAME_ARG $REMSH_REMSH_ARG $COOKIE_ARG\" + +find_erts_dir +find_sys_config +export ROOTDIR=$RELEASE_ROOT_DIR +export BINDIR=$ERTS_DIR/bin +export EMU=beam +export PROGNAME=erl +export LD_LIBRARY_PATH=$ERTS_DIR/lib + +cd $ROOTDIR + +# Setup command to control the node +NODETOOL=\"$ERTS_DIR/bin/escript $ERTS_DIR/bin/nodetool $NAME_ARG $COOKIE_ARG\" + +# Check the first argument for instructions +case \"$1\" in + start|start_boot) + + # Make sure there is not already a node running + #RES=`$NODETOOL ping` + #if [ \"$RES\" = \"pong\" ]; then + # echo \"Node is already running!\" + # exit 1 + #fi + case \"$1\" in + start) + shift + START_OPTION=\"console\" + HEART_OPTION=\"start\" + ;; + start_boot) + shift + START_OPTION=\"console_boot\" + HEART_OPTION=\"start_boot\" + ;; + esac + RUN_PARAM=$(printf \"'%s' \" \"$@\") + HEART_COMMAND=\"$SCRIPT_DIR/bin/$REL_NAME $HEART_OPTION $RUN_PARAM\" + export HEART_COMMAND + mkdir -p $PIPE_DIR + $ERTS_DIR/bin/run_erl -daemon $PIPE_DIR $RUNNER_LOG_DIR \"exec $RELEASE_ROOT_DIR/bin/$REL_NAME $START_OPTION $RUN_PARAM\" 2>&1 + ;; + + stop) + # Wait for the node to completely stop... + case `uname -s` in + Linux|Darwin|FreeBSD|DragonFly|NetBSD|OpenBSD) + # PID COMMAND + PID=`ps ax -o pid= -o command=| + grep \"$SCRIPT_DIR/.*/[b]eam\"|awk '{print $1}'` + ;; + SunOS) + # PID COMMAND + PID=`ps -ef -o pid= -o args=| + grep \"$SCRIPT_DIR/.*/[b]eam\"|awk '{print $1}'` + ;; + CYGWIN*) + # UID PID PPID TTY STIME COMMAND + PID=`ps -efW|grep \"$SCRIPT_DIR/.*/[b]eam\"|awk '{print $2}'` + ;; + esac + $NODETOOL stop + ES=$? + if [ \"$ES\" -ne 0 ]; then + exit $ES + fi + while `kill -0 $PID 2>/dev/null`; + do + sleep 1 + done + ;; + + restart) + ## Restart the VM without exiting the process + $NODETOOL restart + ES=$? + if [ \"$ES\" -ne 0 ]; then + exit $ES + fi + ;; + + reboot) + ## Restart the VM completely (uses heart to restart it) + $NODETOOL reboot + ES=$? + if [ \"$ES\" -ne 0 ]; then + exit $ES + fi + ;; + + ping) + ## See if the VM is alive + $NODETOOL ping + ES=$? + if [ \"$ES\" -ne 0 ]; then + exit $ES + fi + ;; + + attach) + # Make sure a node IS running + RES=`$NODETOOL ping` + ES=$? + if [ \"$ES\" -ne 0 ]; then + echo \"Node is not running!\" + exit $ES + fi + + shift + exec $ERTS_DIR/bin/to_erl $PIPE_DIR + ;; + + remote_console) + # Make sure a node IS running + RES=`$NODETOOL ping` + ES=$? + if [ \"$ES\" -ne 0 ]; then + echo \"Node is not running!\" + exit $ES + fi + + shift + exec $REMSH + ;; + + upgrade) + if [ -z \"$2\" ]; then + echo \"Missing upgrade package argument\" + echo \"Usage: $REL_NAME upgrade {package base name}\" + echo \"NOTE {package base name} MUST NOT include the .tar.gz suffix\" + exit 1 + fi + + # Make sure a node IS running + RES=`$NODETOOL ping` + ES=$? + if [ \"$ES\" -ne 0 ]; then + echo \"Node is not running!\" + exit $ES + fi + + node_name=`echo $NAME_ARG | awk '{print $2}'` + erlang_cookie=`echo $COOKIE_ARG | awk '{print $2}'` + + $ERTS_DIR/bin/escript $SCRIPT_DIR/bin/install_upgrade.escript $node_name $erlang_cookie $2 + ;; + + console|console_clean|console_boot) + # .boot file typically just $REL_NAME (ie, the app name) + # however, for debugging, sometimes start_clean.boot is useful. + # For e.g. 'setup', one may even want to name another boot script. + case \"$1\" in + console) BOOTFILE=$REL_NAME ;; + console_clean) BOOTFILE=start_clean ;; + console_boot) + shift + BOOTFILE=\"$1\" + shift + ;; + esac + # Setup beam-required vars + ROOTDIR=$RELEASE_ROOT_DIR + BINDIR=$RELEASE_ROOT_DIR/erts-$ERTS_VSN/bin + EMU=beam + PROGNAME=`echo $0 | sed 's/.*\\///'` + CMD=\"$BINDIR/erlexec -boot $REL_DIR/$BOOTFILE -mode embedded -config $CONFIG_PATH -args_file $VMARGS_PATH\" + export EMU + export ROOTDIR + export BINDIR + export PROGNAME + + # Dump environment info for logging purposes + echo \"Exec: $CMD\" -- ${1+\"$@\"} + echo \"Root: $ROOTDIR\" + + # Log the startup + logger -t \"$REL_NAME[$$]\" \"Starting up\" + + # Start the VM + exec $CMD -- ${1+\"$@\"} + ;; + + foreground) + # start up the release in the foreground for use by runit + # or other supervision services + + BOOTFILE=$REL_NAME + FOREGROUNDOPTIONS=\"-noinput +Bd\" + + # Setup beam-required vars + ROOTDIR=$RELEASE_ROOT_DIR + BINDIR=$RELEASE_ROOT_DIR/erts-$ERTS_VSN/bin + EMU=beam + PROGNAME=`echo $0 | sed 's/.*///'` + CMD=\"$BINDIR/erlexec $FOREGROUNDOPTIONS -boot $REL_DIR/$BOOTFILE -config $CONFIG_PATH -args_file $VMARGS_PATH\" + export EMU + export ROOTDIR + export BINDIR + export PROGNAME + + # Dump environment info for logging purposes + echo \"Exec: $CMD\" -- ${1+\"$@\"} + echo \"Root: $ROOTDIR\" + + # Start the VM + exec $CMD -- ${1+\"$@\"} + ;; + *) + echo \"Usage: $REL_NAME {start|start_boot <file>|foreground|stop|restart|reboot|ping|console|console_clean|console_boot <file>|attach|remote_console|upgrade}\" + exit 1 + ;; +esac + +exit 0">>]. + +nodetool_contents() -> + [<<"%% -*- mode: erlang;erlang-indent-level: 4;indent-tabs-mode: nil -*- +%% ex: ft=erlang ts=4 sw=4 et +%% ------------------------------------------------------------------- +%% +%% nodetool: Helper Script for interacting with live nodes +%% +%% ------------------------------------------------------------------- + +main(Args) -> + ok = start_epmd(), + %% Extract the args + {RestArgs, TargetNode} = process_args(Args, [], undefined), + + %% See if the node is currently running -- if it's not, we'll bail + case {net_kernel:hidden_connect_node(TargetNode), net_adm:ping(TargetNode)} of + {true, pong} -> + ok; + {_, pang} -> + io:format(\"Node ~p not responding to pings.\n\", [TargetNode]), + halt(1) + end, + + case RestArgs of + [\"ping\"] -> + %% If we got this far, the node already responsed to a ping, so just dump + %% a \"pong\" + io:format(\"pong\n\"); + [\"stop\"] -> + io:format(\"~p\n\", [rpc:call(TargetNode, init, stop, [], 60000)]); + [\"restart\"] -> + io:format(\"~p\n\", [rpc:call(TargetNode, init, restart, [], 60000)]); + [\"reboot\"] -> + io:format(\"~p\n\", [rpc:call(TargetNode, init, reboot, [], 60000)]); + [\"rpc\", Module, Function | RpcArgs] -> + case rpc:call(TargetNode, list_to_atom(Module), list_to_atom(Function), + [RpcArgs], 60000) of + ok -> + ok; + {badrpc, Reason} -> + io:format(\"RPC to ~p failed: ~p\n\", [TargetNode, Reason]), + halt(1); + _ -> + halt(1) + end; + [\"rpcterms\", Module, Function, ArgsAsString] -> + case rpc:call(TargetNode, list_to_atom(Module), list_to_atom(Function), + consult(ArgsAsString), 60000) of + {badrpc, Reason} -> + io:format(\"RPC to ~p failed: ~p\n\", [TargetNode, Reason]), + halt(1); + Other -> + io:format(\"~p\n\", [Other]) + end; + Other -> + io:format(\"Other: ~p\n\", [Other]), + io:format(\"Usage: nodetool {ping|stop|restart|reboot}\n\") + end, + net_kernel:stop(). + +process_args([], Acc, TargetNode) -> + {lists:reverse(Acc), TargetNode}; +process_args([\"-setcookie\", Cookie | Rest], Acc, TargetNode) -> + erlang:set_cookie(node(), list_to_atom(Cookie)), + process_args(Rest, Acc, TargetNode); +process_args([\"-name\", TargetName | Rest], Acc, _) -> + ThisNode = append_node_suffix(TargetName, \"_maint_\"), + {ok, _} = net_kernel:start([ThisNode, longnames]), + process_args(Rest, Acc, nodename(TargetName)); +process_args([\"-sname\", TargetName | Rest], Acc, _) -> + ThisNode = append_node_suffix(TargetName, \"_maint_\"), + {ok, _} = net_kernel:start([ThisNode, shortnames]), + process_args(Rest, Acc, nodename(TargetName)); +process_args([Arg | Rest], Acc, Opts) -> + process_args(Rest, [Arg | Acc], Opts). + + +start_epmd() -> + [] = os:cmd(epmd_path() ++ \" -daemon\"), + ok. + +epmd_path() -> + ErtsBinDir = filename:dirname(escript:script_name()), + Name = \"epmd\", + case os:find_executable(Name, ErtsBinDir) of + false -> + case os:find_executable(Name) of + false -> + io:format(\"Could not find epmd.~n\"), + halt(1); + GlobalEpmd -> + GlobalEpmd + end; + Epmd -> + Epmd + end. + + +nodename(Name) -> + case string:tokens(Name, \"@\") of + [_Node, _Host] -> + list_to_atom(Name); + [Node] -> + [_, Host] = string:tokens(atom_to_list(node()), \"@\"), + list_to_atom(lists:concat([Node, \"@\", Host])) + end. + +append_node_suffix(Name, Suffix) -> + case string:tokens(Name, \"@\") of + [Node, Host] -> + list_to_atom(lists:concat([Node, Suffix, os:getpid(), \"@\", Host])); + [Node] -> + list_to_atom(lists:concat([Node, Suffix, os:getpid()])) + end. + + +%% +%% Given a string or binary, parse it into a list of terms, ala file:consult/0 +%% +consult(Str) when is_list(Str) -> + consult([], Str, []); +consult(Bin) when is_binary(Bin)-> + consult([], binary_to_list(Bin), []). + +consult(Cont, Str, Acc) -> + case erl_scan:tokens(Cont, Str, 0) of + {done, Result, Remaining} -> + case Result of + {ok, Tokens, _} -> + {ok, Term} = erl_parse:parse_term(Tokens), + consult([], Remaining, [Term | Acc]); + {eof, _Other} -> + lists:reverse(Acc); + {error, Info, _} -> + {error, Info} + end; + {more, Cont1} -> + consult(Cont1, eof, Acc) + end.">>]. + +vm_args_file(RelName) -> + [<<"## Name of the node +-name ">>, RelName, <<"@127.0.0.1 + +## Cookie for distributed erlang +-setcookie ">>, RelName, <<" + +## Heartbeat management; auto-restarts VM if it dies or becomes unresponsive +## (Disabled by default..use with caution!) +##-heart + +## Enable kernel poll and a few async threads +##+K true +##+A 5 + +## Increase number of concurrent ports/sockets +##-env ERL_MAX_PORTS 4096 + +## Tweak GC to run more often +##-env ERL_FULLSWEEP_AFTER 10">>]. |