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xjar
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xjar
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#!/bin/busybox ash
# Copyright 2021 bin jin
#
# 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.
__xj__variable_map () {
[ "$1" ] || return 1;
__xj__vmap_encode() {
[ "${1//[0-9A-Za-z_]/}" == "" ] && { printf %s "$1"; return 0; }
local idx=-1 args=; while [ $((idx+=2)) -le ${#1} ]; do args="$args '${1:$idx-1:1} '${1:$idx:1}"; done; printf x%x ${args%" '"}; # printf "${args//x/\\x}"
# printf d%d ${key%" '"}; # printf "`printf '\\\\x'%x ${key//d/ }`"
}
local key pool value;
[ "${1:0:2}" == "--" ] || { pool=`__xj__vmap_encode "$1"`; shift; };
key=`__xj__vmap_encode "$2"` value="$3";
case $1 in
--put) [ "$value" ] && eval VARIABLE_MAP${pool}_PREFIX_$key=\"\$value\";;
--incrby) [ "$value" ] && eval ": \$((VARIABLE_MAP${pool}_PREFIX_$key += $value))";;
--append) [ "$value" ] && eval VARIABLE_MAP${pool}_PREFIX_$key=\"\$VARIABLE_MAP${pool}_PREFIX_$key\$value\";;
--get) [ "$key" ] && eval printf %s \"\$VARIABLE_MAP${pool}_PREFIX_$key\";;
--remove) [ "$key" ] && unset VARIABLE_MAP${pool}_PREFIX_$key;;
--size) printf %d $(set | grep -c '^VARIABLE_MAP'${pool}_PREFIX_);;
--clear) unset `set | awk -F '=' '/^VARIABLE_MAP'${pool}'_PREFIX_/{printf " " $1}'`;;
--keys) printf `set | awk -F '_PREFIX_|=' '/^VARIABLE_MAP'${pool//x2a/".*"}'_PREFIX_'${key//x2a/".*"}'/{if($2 ~ /^(x[0-9a-f]{2})+$/) {printf gensub(/x/, "\\\\\\\x", "g", $2) "\\\n"} else {printf $2 "\\\n"}}'`;;
--2keys) printf `set | awk -F 'VARIABLE_MAP|_PREFIX_|=' '/^VARIABLE_MAP'${pool//x2a/".*"}'_PREFIX_'${key//x2a/".*"}'/{if($2 ~ /^(x[0-9a-f]{2})+$/) {printf gensub(/x/, "\\\\\\\x", "g", $2)} else {printf $2}; printf "*"; if($3 ~ /^(x[0-9a-f]{2})+$/) {printf gensub(/x/, "\\\\\\\x", "g", $3)} else {printf $3}; printf "\\\n"}'`;;
*) printf "%s\033[31m%s\033[0m%s\n" "[MAP:ERROR] invalid option: " "$1" >&2; return 1;;
esac
}
__xj_unset_var() {
# clear environment variables
unset $(set | awk -F = '/^(XJ|xj)_[0-9A-Za-z_]+=/{printf " " $1}')
}
export XJ_TCPU_SLEEP_SEC=${XJ_TCPU_SLEEP_SEC:-'0.1'};
export XJ_INTERNAL_ROOTS=${XJ_INTERNAL_ROOTS:-'/www/internal'} XJ_NGINX_CONF=${XJ_NGINX_CONF:-'/etc/nginx/nginx.conf'};
export XJ_HERTZ=`getconf CLK_TCK` XJ_MEM_TOTAL=`awk '/MemTotal/{printf "%.2fg", $2 / 1024 / 1024}' /proc/meminfo`;
__xj_jprocesses() {
local pid REPLY;
# strace top -b -n 1 -p $pid;
for pid in /proc/[0-9]*/comm; do
read < $pid;
[ "$REPLY" == "java" ] || continue;
pid=${pid//[^0-9]/};
eval "$(
ls -l /proc/$pid/fd | awk \
-v pid=$pid \
-v hertz=$XJ_HERTZ \
-v sleep_sec=$XJ_TCPU_SLEEP_SEC \
-v ir_regex="${XJ_INTERNAL_ROOTS//:/'|'}" '
ARGIND == 1 \
{
printf "__xj__variable_map pid:mem --put %s %.2fg;\n",
pid, $2 * 4 / 1024 / 1024;
stat_file = "/proc/stat", pstat_file = "/proc/" pid "/stat"; # fix bug on centos7
getline < "/proc/uptime"; uptime = $1;
getline < stat_file; save_totel = $2 + $3 + $4 + $5 + $6 + $7 + $8;
getline < pstat_file; save_tic = $14 + $15 + $16 + $17, start_time = $22;
close(stat_file); close(pstat_file); close("/proc/uptime");
printf "__xj__variable_map pid:pcpu --put %s %.2f%%;\n",
pid, save_tic * 100 / hertz / (uptime - start_time / hertz);
system("sleep " sleep_sec);
getline < stat_file; cur_totel = $2 + $3 + $4 + $5 + $6 + $7 + $8;
getline < pstat_file; cur_tic = $14 + $15 + $16 + $17;
close(stat_file); close(pstat_file);
printf "__xj__variable_map pid:tcpu --put %s %.2f%%;\n",
pid, (cur_tic - save_tic) * 100 / (cur_totel - save_totel);
}
ARGIND >= 2 \
{
if($11 ~ /socket:/){
inode_set[$11]++;
} else if($1$2 == "sllocal_address") {
protocol_idx++;
} else if(inode_set["socket:[" $10 "]"]) {
printf "__xj__variable_map pid:port_list --append %s ,%d/%s;\n",
pid, gensub(/.*:/, "0x", 1, $2), protocol_idx == 1 ? "tcp" : "udp";
} else if ($11 ~ /\.jar$/ && $11 !~ /\/lib\//) {
paths_set[gensub(/\/[^\/]+$/, "", 1, $11)]++;
}
}
END{
for (path in paths_set) {
if (paths_set[gensub(/\/[^\/]+$/, "", 1, path)]) continue;
env_path = path "/env", internal = 0;
while((getline < env_path) > 0)
if (/^[[:space:]]*INTERNAL=(true|TRUE|1)/) { internal = 1; break; }
close(env_path);
if (internal || match(path, ir_regex)) printf "__xj__variable_map pid:internal --put %s %s;\n", pid, internal;
printf "__xj__variable_map path:pid_list --append %s ,%s;\n", path, pid;
}
}' /proc/$pid/statm - /proc/$pid/net/tcp /proc/$pid/net/udp
)"
done
}
__xj_load_ngx_conf() {
[ "$1" ] || set -- "$XJ_NGINX_CONF" 0;
[ "$2" ] || set -- "$1" 0;
local row_col depth key value args \
protocol=$protocol upstream=$upstream server_names=$server_names listens=$listens location=$location \
XJAR_ROOTS=$XJAR_ROOTS XJAR_INCLUDE=$XJAR_INCLUDE XJAR_IGNORE=$XJAR_IGNORE;
while read row_col depth key value args; do
case $depth:$key in
1:upstream) # begin: upstream {}
upstream=$value;
;;
2:server) # upstream content
[ "$upstream" ] && {
__xj__variable_map $protocol:upstream_list --append $upstream " $value";
__xj__variable_map $protocol:$upstream --put "$value" "$1:$row_col";
}
;;
1:server) # begin: server {}
:
;;
2:}) # end: upstream {}, server {}
local xroot location;
[ "$XJAR_ROOTS" ] && {
for xroot in ${XJAR_ROOTS//:/ }; do
__xj__variable_map xroot:server_names --put $xroot "$server_names";
__xj__variable_map server_names:xroot --put $server_names $xroot;
for location in `__xj__variable_map server_names:location_list --get $server_names`; do
__xj__variable_map path:server_names --put $xroot$location $server_names
done
done
__xj__variable_map server_names:listens --put $server_names $listens;
}
unset server_names listens location XJAR_ROOTS XJAR_INCLUDE XJAR_IGNORE;
;;
2:server_name)
server_names="${value%;*} ${args%;*}";
server_names="${server_names// / }"
server_names=${server_names% };
server_names="${server_names// /'|'}"
;;
2:listen)
[ "${value#'[::]:'}" == "$value" ] || continue;
listens="$listens|${value%;*}";
listens="${listens#'|'}"
;;
2:#!) # $XJAR_ROOTS $XJAR_INCLUDE or $XJAR_IGNORE
eval $value $args;
;;
2:location) # begin: location {}
location="$value $args";
if [ "${location/@/}" == "$location" ]; then
location=/${location#*/};
else
location=@${location#*@};
fi
location=${location% *};
location=${location%/};
[ "`__xj__variable_map server_names:row_col-begin --get $server_names`" ] || \
__xj__variable_map server_names:row_col-begin --put $server_names \
"$1:${row_col%,*},$((${row_col#*,} - ${#key} - ${#value} - ${#args} - 2))"
__xj__variable_map server_names:location_list --append $server_names " $location";
__xj__variable_map $server_names:location-begin --put $location "$1:$row_col";
;;
3:}) # end: location {}
[ "$location" ] && {
__xj__variable_map $server_names:location-end --put $location "$1:$row_col";
}
unset location;
;;
3:proxy_pass)
local proxy_pass=${value%;*} upstream_server;
# upstream_server=${proxy_pass#*//};
# __xj__variable_map http:upstream_list --get $upstream_server
__xj__variable_map server_names:location:proxy_passes --put $server_names:$location "$proxy_pass";
__xj__variable_map $server_names:$location:proxy_pass --put $proxy_pass "$1:$row_col";
;;
[0-9]*:include)
[ "${value%.conf;}" == "$value" ] && continue;
[ "${value:0:1}" == "/" ] || value=${1%/*}/$value;
local conf;
for conf in `eval ls $value`; do
__xj_load_ngx_conf $conf $depth;
done
;;
0:http|0:rtmp|0:stream)
protocol=$key;
;;
1:})
unset protocol upstream
;;
esac
done <<-SH
`
awk -v base=$2 -F \#[^!] '
BEGIN{ob=0; cb=0;};
{
if($1 !~ /^[[:space:]#]*$/) {
tag=0;
for(i=1; i<=length($1); i++) {
c=substr($1, i, 1);
if(tag == 0 && c ~ /[^[:space:]]/) {
tag=1;
printf "\n%s,%s %s ", NR, i, ob - cb + base;
}
if(c == "{") {
ob++;
printf "{\n%s,%s %s ", NR, i, ob - cb + base;
} else if(c == "}") {
printf "\n%s,%s %s ", NR, i, ob - cb + base;
cb++;
printf "}\n%s,%s %s ", NR, i + 1, ob - cb + base;
} else printf c
}
}
};
END{
printf "\n";
if(ob == cb) {exit 0} else exit 1
}' $1
`
SH
}
__xj_jarpath() {
find $(__xj__variable_map xroot:server_names --keys) -type f -iname "*.jar" 2>/dev/null | \
awk '{
paths_set[gensub(/\/[^\/]+$/, "", 1)]++;
};
END{
for (p in paths_set)
if (!paths_set[gensub(/\/[^\/]+$/, "", 1, p)])
print p;
}'
}
# __xj_unset_var;
# [ -s ".env" ] && \
# eval $(awk -F \# '$1 ~ /=/{gsub(/^[[:space:]]+|[[:space:]]+$/, "", $1); print "export XJ_" $1}' ".env");
# eval $(set | awk '/^[A-Z_]+=[^(][^*]{,128}$/{print "export XJ_" $0}');
# if [ "$XJ_JAR_LOG_DIR" ]; then
# :
# elif [ "$XJ_JAR_LOG_DIR_PRE" ]; then
# XJ_JAR_LOG_DIR="${XJ_JAR_LOG_DIR_PRE%/}/${PWD##*/}/${XJ_JAR_LOG_DIR_SUF#/}";
# XJ_JAR_LOG_DIR="${XJ_JAR_LOG_DIR%/}";
# else
# XJ_JAR_LOG_DIR="$PWD/logs"
# fi
# : ${XJ_LIVE_LOG_DIR:="${XJ_JAR_LOG_DIR%/*}"};
# for xj_jar_path in "$PWD/"*.jar; do :; done
# xj_jar_path="${xj_jar_path/*\**/}"; # jar file not found
# xj_jar_path="${xj_jar_path/'-sources.'/.}";
# xj_jar_path="${xj_jar_path/'-src.'/.}";
# [ -s "$xj_jar_path" ] && {
# xj_jar_name="${xj_jar_path##*/}";
# xj_jar_name="${xj_jar_name%.*}";
# # xj_args_file="$XJ_JAR_LOG_DIR/$xj_jar_name.args";
# xj_jar_dir="${xj_jar_path%/*}/";
# xj_java_pid=$(ps -ef | awk '/'"${xj_jar_dir//\//\\/}"'.*\.jar/ && !/awk/{print $2}');
# [ "$XJ_LOG_PREFIX" ] && {
# # man date
# [ "$XJ_LOG_PREFIX" == "${XJ_LOG_PREFIX/\%[A-DF-IMNPR-Za-eghj-npr-z]/}" -a "$XJ_LOG_PREFIX" == "${XJ_LOG_PREFIX/\%-[A-DF-IMNPR-Za-eghj-npr-z]/}" ] && {
# printf "[\033[1;31mERROR\033[0m] \033[1mLOG_PREFIX\033[0m invalid option: '\033[33m%s\033[0m' in '\033[32m%s\033[0m'\n" "$XJ_LOG_PREFIX" ".env" >&2;
# exit 1
# };
# xj_jar_log_prefix='strftime("'"$XJ_LOG_PREFIX"'"), $0'; # for awk
# };
# };
case $1 in
start)
shift;
exec 100>>$XJ_NGINX_CONF;
flock --exclusive --nonblock 100 || {
printf "[ERROR] bad interpreter: conf file busy.\n" >&2;
exit 1
};
__xj_jprocesses;
__xj_load_ngx_conf;
[ "$*" ] || set -- "";
for arg in "$@"; do
while read key; do
echo ${key#*\*} ${key%':location-begin*'*};
done <<-SH
`__xj__variable_map *:location-begin --2keys /$arg`
SH
done
# __xj_test_single_process;
# [ "$xj_java_pid" ] && { printf "name:\033[1m%-26s\033[0m is running.\n" $xj_jar_name; exit 1; } >&2;
# shift;
# case $1 in
# "") :;;
# --debug|-D)
# XJ_JAVA_ARGS+=" -Xdebug";
# XJ_JAVA_ARGS+=" -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8457"
# ;;
# *)
# printf "[\033[1;31mERROR\033[0m] Invalid option: start '\033[33m%s\033[0m'\n" "$1" >&2;
# exit 1
# ;;
# esac
# mkdir -pv $XJ_JAR_LOG_DIR;
# xj_jar_log_dir_prefix="$XJ_JAR_LOG_DIR/$xj_jar_name";
# set -- $XJ_JAVA_ARGS -jar "$xj_jar_path" $XJ_JAR_ARGS;
# (
# # clear sub environment variables
# __xj_unset_var;
# # clear functions
# unset $(set | awk '/^__xj_[0-9A-Za-z_]+[[:space:]]*\(/{printf " " $1}');
# # main
# nohup < /dev/null java "$@" 2>&1 &
# ) | sed -ru 's/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]|\r//g' | \
# awk -v dir_prefix="$xj_jar_log_dir_prefix" '{print '"${xj_jar_log_prefix}"' >> strftime(dir_prefix "_%Y%m%d.log");fflush(stdout)}' >/dev/null &
;;
log)
:
# shift;
# [ "$1" == "${1/-[0-9]/}" ] || set -- ${2:-10} $1;
# xj_jar_log_file="$(date -d "${2:-0} days" +$XJ_JAR_LOG_DIR/${xj_jar_name}_%Y%m%d.log)";
# if [ "$HISTCONTROL" -a ! "$TEAMCITY_VERSION" ] && [ ! "$2" ]; then
# set -- -F -n ${1:-10};
# else
# set -- -n ${1:-10};
# printf "\n"
# fi
# printf "==> \033[32m%s\033[0m <==\n" $xj_jar_log_file;
# tail $@ "$xj_jar_log_file" 2>/dev/null
;;
stop)
:
# [ "$xj_java_pid" ] || { printf "name:\033[1m%-26s\033[0m not running.\n" $xj_jar_name; exit 1; } >&2;
# kill -9 $xj_java_pid;
# sleep 0.5;
# xj_wait_limit=10;
# while ps -p $xj_java_pid >/dev/null; do
# sleep 1;
# [ $((xj_wait_limit--)) -le 0 ] && {
# printf "[\033[1;31mERROR\033[0m] kill '\033[1m%s\033[0m' faild, pid: \033[1m%s\033[0m\n" $xj_jar_name $xj_java_pid >&2;
# exit 1
# };
# done
# unset xj_wait_limit;
;;
restart)
shift;
# xj_tmp_args=$(cat "$xj_args_file" 2>/dev/null);
# [ ! "$1" ] && [ "$xj_tmp_args" ] && set -- $xj_tmp_args;
# unset xj_tmp_args;
bash "$0" stop;
bash "$0" start "$@"
;;
status|"")
__xj_jprocesses;
__xj_load_ngx_conf;
while read path; do
server_names=`__xj__variable_map path:server_names --get $path`;
if [ "$server_names" ]; then
xroot=`__xj__variable_map server_names:xroot --get $server_names`;
pid=`__xj__variable_map path:pid_list --get $path`;
pid=${pid#,};
[ "${pid//[0-9]/}" == "" ] || { printf "name:\033[1m%-26s\033[0m [\033[1;31mERROR\033[0m] not single process. pid: \033[1m%s\033[0m\n" $path, $pid >&2; exit 1; };
if [ "$pid" ]; then
ports=`__xj__variable_map pid:port_list --get $pid`;
if [ "`__xj__variable_map pid:internal --get $pid`" ]; then
prefix="[internal]:$path"
else
prefix=$server_names:`__xj__variable_map server_names:listens --get $server_names`${path#$xroot}
fi
printf "%s pid:\033[1m%s\033[0m ports:\033[1m%s\033[0m cpu:\033[1m%s\033[0m mem:\033[1m%s\033[0m\n" "$prefix" $pid ${ports#,} `__xj__variable_map pid:tcpu --get $pid`,`__xj__variable_map pid:pcpu --get $pid` `__xj__variable_map pid:mem --get $pid`
else
printf "%s [\033[1minactive (\033[31mdead\033[0m)\033[0m]\n" $server_names:`__xj__variable_map server_names:listens --get $server_names`${path#$xroot}
fi
else
xroot="$path";
while [ ! "$server_names" ]; do
xroot=${xroot%/*};
[ "$xroot" ] || { printf "[\033[31mERROR\033[0m] Unknown\n" >&2; exit 1; }
server_names=`__xj__variable_map xroot:server_names --get $xroot`;
done
printf "%s [\033[1munconfig\033[0m]\n" $server_names:`__xj__variable_map server_names:listens --get $server_names`${path#$xroot}
fi
done <<-SH
`__xj_jarpath`
SH
# todo if pid count > file; warn
;;
live)
:
# {
# mkdir -pv "$XJ_LIVE_LOG_DIR";
# if [ "$xj_java_pid" -a "${xj_java_pid/[^0-9]/}" == "$xj_java_pid" ]; then
# # print every 10 minutes
# [ $((1`date +%M` % 10)) == 0 ] && printf "%s\n" live
# else
# printf "restart: ";
# free -h | awk '/Mem:/{printf "u/a: %s/%s\n", $3, $2}';
# export TEAMCITY_VERSION=none HISTCONTROL=;
# nohup < /dev/null bash "$0" restart >/dev/null 2>&1 &
# fi
# } 2>&1 | awk -v dir_prefix="$XJ_LIVE_LOG_DIR" -v arg_name=$xj_jar_name \
# '{printf "%s, %-26s %s\n" ,strftime("%F %T"), arg_name ",", $0 >> strftime(dir_prefix "/live_%Y%m%d.log");fflush(stdout)}'
;;
# --dir|-d)
# shift;
# [ -d "$1" ] || {
# printf "[\033[1;31mERROR\033[0m] '\033[32m%s\033[0m' directory must exist.\n" $1 >&2;
# exit 1
# };
# # all case
# __args__=$(awk -F \) '/^[[:space:]]*[A-Za-z|-]+)/{gsub(/\|/, " ", $1); printf " %s ", $1}' "$0");
# # make sure path exist and not match case
# while [ -d "$1" -a "${__args__/ $1 /}" == "$__args__" ]; do __dir__[${#__dir__[@]}]="$1"; shift; done
# unset __args__;
# export TEAMCITY_VERSION=none HISTCONTROL=;
# while read __sh__; do
# (
# cd "`dirname "$__sh__"`";
# unset __dir__ __sh__;
# bash "$0" "$@"
# )
# done < <(find "${__dir__[@]}" -type f -name .env);
# unset __dir__ __sh__
# ;;
*)
printf "[\033[31mERROR\033[0m] invalid option '\033[33m$1\033[0m'.
usage: xjar [option] [[name_prefix]...|--all]
start|restart [--debug|-D] start|restart jar process.
stop stop jar process.
conf modify config.
status show process info, hostname.
log [lines|-[days]] print last n lines and n days before log.
live [enable|disable] start jar if not run,
and logging live every 10 minutes.
config file:
cat > \033[32m./.env\033[0m <<-EOF\033[7m
# LOG_PREFIX='%%F %%T,'
JAR_ARGS=' --config.location=./application.yml'
JAR_ARGS+=' --prefix=/xxx'
JAVA_ARGS=' -Xmx1024m'
JAVA_ARGS+=' -Xms1024m'
\033[0mEOF
e.g.
ssh user@hostname 'docker exec nginx xjar restart \$name1 \$name2'
ssh user@hostname 'docker exec nginx xjar restart \$name1; sleep 30; docker exec nginx xjar || { docker exec nginx xjar log -0 100; exit 1; }'
" >&2
;;
esac