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PHPer's Guide to Daemon Crafting Taming and Sum...
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uzulla
March 22, 2025
Programming
2
550
PHPer's Guide to Daemon Crafting Taming and Summoning
at: PHPerKaigi 2025
date: 2025/03/22
speaker: uzulla
uzulla
March 22, 2025
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Transcript
PHPer's Guide to Daemon Crafting, Taming and Summoning
Re:લઆ
ݩؾͰ͔͢ʂ
ݩؾ͋ΕͳΜͰͰ͖Δʂ
͕ʂ PHPͱ͍͑ ApacheNginx͕͍ͳ͍ͱ͏͔͝ͳ͍ ಠΓཱͪͰ͖ͳ͍ݴޠ (ॾઆ͋Δ)
ࢲʮॻ͚ΔΖ(աڈͷτʔΫࢀর)ʯ ʁʮPHPͰhttpdΛॻ͘ is ͦ͠͏ʯ ࢲʮී௨ʹΕΑ͍(աڈͷτʔΫࢀর)ʯ ʁʮͦ͏͍͏ͱ͜ΖͰ͢Αʁʁʁʁʯ
! GoogleʮPHPͰσʔϞϯʁΒͳ͍ʂʯ ! CopolotʮαϙʔτͳΜͰ…ʯ ! ChatGPTʮ͍ͷແཧͰ͢ʯ
…ͦΜͳઈͷ͕࣌ଓ͖·ͨ͠ ʢԶҎ֎ͦ͏Ͱͳ͍͔ʁʁʁʁʣ
͔͠͠ʂ2025ʂʂʂʂ ͍ͭʹٹੈओ͕ݱΕͨʂʂ
Devin/Claude code:ɹɹ ʮ͑ɺ͓લPHPͰσʔϞϯॻ͚ͳ͍ͷʁ ॻ͍ͯΔΑʯ
͍ͭʹʮͳʹ͔Θ͔ΒΜ࣌ʯ͕ऴΘͬͨ… ʢ͍ɺਓؒͳʹ͔Θ͔͓ͬͯΒΜ͕ɺಈ࡞͢Δαϯϓϧ͕ݟΕΔʂʣ
Ͱɺͩɻ
ࠓճࢲAIʹίʔυΛॻ͔͍ͤͯ·͕͢ Θ͟ͱͰ͢
ෛ͚੯͠ΈͰͳ͘ʂʂʂ ࢲ͕ࣗθϩ͔ΒίʔυΛॻ͚ͳ͍Θ͚Ͱͳ͍ʂʂ(ͬͯ͠ΔͩΖʂ) ෛ͚੯͠ΈͰͳ͘ʂʂʂ Θ͟ͱͰ͢ʂʂʂʂʂʂ
օ͞Μ͕खʹೖΕΒΕΔͱ͍͏ࣄ͕ॏཁͳͷͰ͢ʂ
ʁʮPHPͰσʔϞϯʁ͍Έ͋Δͷʁʯ ࢲʮϩϚϯ͕͋Γ·͢ʂʂʂʂʂʂʯ
ҰൠతͳΠϝʔδ
ApacheNginxඞཁ͕ͳ͍ PHP γϯάϧϓϩηε୯ମͰಈ͘ϓϩάϥϜ ڵຯ͕͋Γ·ͤΜ͔ʂʁ(Զ͚͔ͩʁ)
ࠓճλΠτϧੌͭ͘·Βͳͦ͏͡Όͳ͍Ͱ͔͢ʂʂʂ Ͱ͍ͭʹγάφϧॲཧsystemdͷཱ͕ͭΜͰ͢ʂʂʂ
ʮѱ͍ͳɺσʔϞϯ࡞PHPʹແཧͳΜͩʯ ͏͍ΘͤͶ͑ͧʂʂʂ
CMS࡞ݴޠͱ͔͍ΘΕ͍ͯͨ PHPͷ͠Ϳͱ͞Λ ͋ΒͨΊͯΈͤͯΓ·͢Αʂʂʂ
ؓٳ
ʮԶ͕PHPerKaigiͩʂ(???)ʯ ‣ ͱɺݴ͑Δఔʹ(ʁ) ॳճ͔Βຖొஃ(લࡇؚΉ) ‣ ओʹPHPܥόοΫΤϯυΤϯδχΞ ‣ ʮઓʹಥવ͛ࠐ·ΕΔ༭ฌΛͯ͠ ͍·͢ʯ ‣
࠷ۙͷΈ ʮҰମԶ… ɹͲ͏ࣗݾհΛ͢Ε…ʁʯ
ݱࡏͷݱ(2025-03ݱࡏ) ‣ ༗ݶձࣾΦʔϓϯεϑΟΞ (CTO) ‣ גࣜձࣾΦτόϯΫ (όοΫΤϯυΤϯδχΞ) ‣ גࣜձࣾPR TIMES
(PHPεϖγϟϦετɺઌഐ) ‣ גࣜձࣾϦϯέʔδ (༯ਫ਼) ‣ ଞ֤ࣾ…(ΞʔΩςΫτίϯαϧPHPerຐআ͚ͳͲ)
ͦͷଞ൪એ ‣ Youtubeͷ uzulla chͰɺBaanSeenͳͲͷYoutubeͯ͠·͢ νϟϯωϧొͯ͠ʂग़ԋͯ͠ʂ ‣ ʮXdebugΛ։࢝͢Δ܅ʯͱ͍͏Chrome֦ுΛͭ͘Γ·ͨ͠ ੋඇ͔ͭͬͯ! ‣
BlueSkyʹɺͷPackagistࢹBotΛ෮׆ͤ͞·ͨ͠ʂ throwable.bsky.social (ݩͷxͷcall_user_func͔ΒϦϯΫͯ͋͠Γ·͢)
DISCLAIMER ‣ ͜ͷτʔΫɺ御社ͷαʔϏεʹPHPͷσʔϞϯΛಋೖ͢Δ ͜ͱΛお勧めしませんɻ ‣ (ݸਓαʔϏεͳΒɺԠԉ͠·͢ʂΏ͘Ώ͘ޚࣾʹ…ʁ) ‣ ࢲ͕ʮࣗPHPͰσʔϞϯΛॻ͘ΜͩʂʯͱݴΘΕͨΒɺ· ͣʮ΄͔ͷݴޠɺͬͯΈͨʁʯͱฉ͖·͢ɻ ‣
Δͱͯ͠ɺνʔϜͰेͳٞΛ͓͜ͳ͍·͠ΐ͏ɻ
ຊ σʔϞϯ࿉ ࣂ͍ͳΒ͠ ঌש ͷɺPHPer͚ΨΠυ
σʔϞϯͱʁ ‣ όοΫάϥϯυͰಈ࡞͢ΔৗறϓϩάϥϜ ‣ ࣗಈతʹىಈ͠ɺಛఆͷαʔϏελεΫΛܧଓతʹ࣮ߦ͠· ͢ ‣ Ϣʔβʔ͕ϩάΞτͯ͠ऴྃͤͣɺγεςϜγϟοτμϯ ·Ͱಈ࡞͠ଓ͚·͢ɻ ‣
ϢʔβʔͷΠϯλϥΫγϣϯͳ͠ʹಈ࡞͚ͭͮ͠Δ ‣ ྫ:Apache, Nginx, MySQL, PostgreSQL, crond, sshd
;ͭ͏ͷPHPͱσʔϞϯͷҧ͍ Start ϒϥβ Request Apache PHP script Start(reset) Process PHP
Response to ϒϥβ PHP script Finish(reset) ‣ ϦΫΤετ͕དྷͯϨεϙϯεΛฦ͢ɺຖճϦηοτ͞ΕΔ ‣ Θ͔Γ͍͢ʂ
όονͱσʔϞϯͷҧ͍ ‣ όονσʔϞϯʹʮࣅ͍ͯ·͢ʯ ‣ όονCronͳͲͰఆظతʹىಈͯ͠ऴྃ͢Δ ‣ Ұͷ࣮ߦͰ݁͢Δॲཧɺͱʹ͔͘ʮऴΘΓ͕͋Δʯ ‣ όονຖճऴྃ͢ΔͷͰσʔλετΞʹอଘͯ࣍͠ͷόον ʹඋ͑ΔͨΓ͢Δ
Cron։࢝ PHP script Start(reset) Process PHP Cronऴྃ PHP script Finish(reset)
Cron Cron
Batch(Cron)ͷݶքͱར ‣ ࠷খ࣮ߦִؒCronͳΒ1(௨ৗ) ‣ ಉ࣮࣌ߦͷ੍ޚ͕໘ɾ͍͠(ϩοΫ੍ޚ) ‣ CronʮʯదͰಈ͘
σʔϞϯ - Կ͔Λॲཧ͢ΔͷͰ͋Δ͕ɺϦΫΤετͱ͔Ϩεϙϯεඞ ਢͰͳ͍ɻ - NඵʹҰूܭͯ͠DBʹॻ͖ࠐΉͱ͔ - ঢ়ଶΛௐ͚͕ͭͮͯ͋ΕΞϥʔτΛSlackʹ͓͘Δͱ͔ - େྔͷσʔλΛʮԆॲཧͨ͠Γɾޮతʹɾॱ൪ʹʯॲཧ͢Δ
ͱ͔ - ͋ͱɺ(ඞཁ͕ͳ͚Ε)ऴྃ͠ͳ͍
MainLoop PHP script Start(reset) Systemd() Job ऴྃʁ Main Loop Entry
ॲཧA ॲཧN γάφϧ τϥοϓ NO ऴྃ ॲཧ YES killͳͲ γάφϧ ܧଓ ϑϥά ֬ೝ PHP script Finish( reset)
‣ Cronىಈִ͕ؒ͋Δ͕ɺσʔϞϯىಈִ͕ؒͳ͘ৗʹ࣮ߦ ‣ ىಈ͚ͭͮ͠ΔͷͰɺ࠶ଓɺΩϟογϡΛຖճಡΈࠐΉඞ ཁ͕ͳ͍ ‣ ʮఀࢭִؒʯ͕ͳ͍ͷͰɺଈ࠲ʹԠՄೳ ‣ ܧଓ͢ΔͷͰɺWebSocketͳͲͷଓΛҡ࣋Մೳ
σʔϞϯͷܽ ‣ ҆ఆͯ͠ಈ࡞͢ΔͷΛ࡞Δͷ͕͍͠ ͨͱ͑ϝϞϦϦʔΫɺDB࠶ଓॲཧͳͲ ‣ (όονී௨ͷWebϓϩάϥϜͱʹͨϊϦ) ‣ ҟৗऴྃͨ͠ͱ͖ʹ࠶ىಈͤͨ͞Γ͕໘ ‣ ଟ͘ͷ߹ɺόονREST
APIͰΑ͍Μ͚ ‣ ʑ…
ͳͥPHPͰσʔϞϯΛʁ(ݴ͍༁) ‣ PHPWebΞϓϦʴόονͱ͍͏Πϝʔδ͕ڧ͍ ‣ PHPͷࣝΛ׆͔͠ɺ༷ʑͳόοΫάϥϯυॲཧΛॻ͘ࣄ͕ Ͱ͖Ε… ‣ ΧοίΠΠ(ओ؍) ‣ ͜ͷลΓͷָ͓͠ΈޙͰ…
ૉͳσʔϞϯΛ࡞Δ 1. CLIεΫϦϓτͱͯ͠ىಈ 2. ϝΠϯϧʔϓͰܧଓ࣮ߦ 3. γάφϧϋϯυϦϯάͷ࣮
#"/usr/bin/env php <?php declare(strict_types=1); $running = true; pcntl_signal(SIGTERM, function ()
use (&$running) { // γάφϧϋϯυϥͷઃఆ echo "SIGTERMΛ͏͚ͱΓ·ͨ͠ɺऴྃ͠·͢" . PHP_EOL; $running = false; }); echo "σʔϞϯىಈ (PID: ".getmypid().")" . PHP_EOL; while ($running) { // ϝΠϯϧʔϓ pcntl_signal_dispatch(); // γάφϧΛड৴ͨ͠ॲཧ echo "." . PHP_EOL; sleep(5); /% CPUΛ༗͠ͳ͍Α͏ʹεϦʔϓ } echo "σʔϞϯऴྃ" . PHP_EOL;
$running = true; while ($running) { // ϝΠϯϧʔϓ pcntl_signal_dispatch(); //
γάφϧΛड৴ͨ͠ॲཧ echo "." . PHP_EOL; sleep(5); /" CPUΛ༗͠ͳ͍Α͏ʹεϦʔϓ } ‣ ແݶϧʔϓ(ϝΠϯϧʔϓ)͕͋Δ ‣ ʮා͍ʂʂʂʯ
$running = true; pcntl_signal(SIGTERM, function () use (&$running) { //
γάφϧϋϯυϥͷઃఆ echo "SIGTERMΛ͏͚ͱΓ·ͨ͠ɺऴྃ͠·͢" . PHP_EOL; $running = false; }); while ($running) { // ϝΠϯϧʔϓ pcntl_signal_dispatch(); // γάφϧΛड৴ͨ͠ॲཧ }
pcntl_signal(SIGTERM, function () use (&$running) { echo "SIGTERMΛ͏͚ͱΓ·ͨ͠ɺऴྃ͠·͢" . PHP_EOL;
$running = false; }); pcntl_signal(SIGHUP, function () use (&$running) { echo "SIGHUPΛ͏͚ͱΓ·ͨ͠ɺऴྃ͠·͢" . PHP_EOL; $running = false; }); pcntl_signal(SIGINT, function () use (&$running) { echo "SIGINTΛ͏͚ͱΓ·ͨ͠ɺऴྃ͠·͢" . PHP_EOL; $running = false; }); ‣ ड͚औΔγάφϧݸผઃఆ͕Ͱ͖·͢ ‣ γάφϧͷॲཧʮड͚औ͓͍ͬͯͯʯpcntl_signal_dispatch()Λݺͼग़ͯ͠ɺอཹதͷγάφϧΛॲ ཧ͠·͢ɻ͜ΕॏཁͳεςοϓͰɺ͜Ε͕ͳ͍ͱγάφϧϋϯυϥͰҙͷॲཧΛઃఆͰ͖·ͤΜɻ
γάφϧͷૹΓํ ‣ killίϚϯυͰૹ৴Ͱ͖·͢ɺPIDͷࢦఆ͕ඞཁͰ͢ ‣ PIDpsίϚϯυͰ֬ೝͰ͖·͢ $ kill {PID} $ kill
-HUP 1234 $ kill -TERM 1234 $ kill -USR1 1234 $ kill -KILL 1234 # ͜ΕOS͕ड͚औΓ·͢
ओཁͳγάφϧ ‣ SIGTERM (15): ਖ਼ৗऴྃཁٻ ‣ SIGINT (2): ΩʔϘʔυׂΓࠐΈʢCtrl+Cʣ ‣
SIGHUP (1): அɺ(Α͋͘Δͷ͕ઃఆ࠶ಡΈࠐΈ) ‣ SIGUSR1 (10), SIGUSR2 (12): Ϣʔβʔఆٛ ‣ SIGKILL (9): ڧ੍ऴྃʢัଊෆՄʣ
খ ‣ γάφϧͷҙຯʮࡉ͔͖͘·͍ͬͯ·ͤΜʯ ‣ Apache͕γάφϧͨΓͶ͍͑ͬͯͬͯɺWINCHΛѱ༻ͯ͠Δ͜ͱ Ұ෦Ͱ༗໊Ͱ͢Ͷ ‣ (WINCHΟϯυαΠζมߋͷγάφϧͰ͢) ‣ ࠷ѱɺεΫϩʔϧόʔ͕ͰΔ͚ͩͰɺApache͕ऴྃ͢ΔΜͰ͢ΑͶ…
‣ (ݹདྷɺCLIͰApacheΛىಈ͢Δਓ͕ؒ͏·ΕΔͱࢥͬͯͳ͔ͬͨ ΜͩΖ͏…)
None
খ:దͳऴྃॲཧ ‣ άϨʔεϑϧγϟοτμϯ ‣ ৽نॲཧΛఀࢭ͢Δ ‣ ਐߦதͷॲཧͷྃ͠ ‣ Ϧιʔεͷదͳղ์͠ ‣
ঢ়ଶͷอଘ͢Δ ‣ ऴྃεςʔλεͷ௨
pcntl_signal(SIGTERM, function () { echo "ऴྃॲཧΛ࣮ߦத..""; /$ ਐߦதͷδϣϒΛอଘ saveCurrentState(); /$
DBίωΫγϣϯΛΫϩʔζ DB:&getConn-(close(); echo "ਖ਼ৗʹऴྃ͠·ͨ͠ɻ"; exit 0; /$ TODO ·ͱʹ࣮ͤΑ }); ‣ ଞʹɺSIGTERMͳΒ register_shutdown_function Λ׆༻͢Δख͋Δ
σʔϞϯͷঌשํ๏ $ php daemon.php ‣ CLI ϓϩάϥϜͷΑ͏ʹͯ͠ঌש(ىಈ)͕Ͱ͖·͢ɻ ‣ λʔϛφϧΛด͡Δͱऴྃͯ͠͠·͏͜ͱͰ͢ ‣
։ൃʹศར͕ͩɺσʔϞϯΛࣂ͏ͱͯ͠ඍົ
ྫ: nohupΛ͏ํ๏ $ nohup php daemon.php & ‣ nohup: ϋϯάΞοϓγάφϧʢSIGHUPʣΛແࢹ͠·͢
‣ &: όοΫάϥϯυͰ࣮ߦ
ྫ: screen(tmux)ͳͲΛ͏ํ๏ # screenىಈ $ screen # σʔϞϯͳͲىಈ (screenͷதͰͷγΣϧ)$ php
daemon.php # Ctrl+A, DͰɺγΣϧΛΓͯ͠(σλον)ɺϓϩάϥϜΛऴྃͤͣʹϩάΞτͰ͖Δ # ޙͰ·ͨϩάΠϯͯ͠ɺ࠶։(Ξλον)Ͱ͖Δ $ screen -r ‣ ίωΫγϣϯ͕͖Εͯshell͕ऴྃͤͣɺ࠶ଓ͕Մೳ ‣ ։ൃ࣌ʹศར (࣮࣌ؒߦ͢ΔόονͰ͔ͭ͏ΑͶ) ‣ αʔόʔىಈ࣌ʹࣗಈىಈ͢ΔΑ͏ͳͷͰͳ͍
ίϯςφڥ FROM php:8.3-cli RUN docker-php-ext-install pcntl COPY -#from=composer /usr/bin/composer /usr/bin/composer
COPY . /keira WORKDIR /keira RUN composer install CMD /keira/bin/keira.php ‣ ͋ͱ docker run -it keira Ͱىಈ; ‣ ҙ: -it Φϓγϣϯ͕ͩɺ͠ͳ͍ͱγΣϧ͕ͳ͘ɺHUP͕Ͱ͖ͳ͍ͷͰऴ ྃผ్Δ͜ͱ
ຊ໋: systemdʹΑΔঌש ‣ SystemdLinuxͷαʔϏεཧσʔϞϯ [Unit] Description=PHP Sample Daemon After=network.target [Service]
Type=simple User=ww"-data ExecStart=/path/to/daemon.php Restart=on-failure RestartSec=5s Envfile=/etc/environment [Install] WantedBy=multi-user.target
systemctlʹΑΔૢ࡞ # αʔϏεͷొ $ systemctl enable php-daemon.service # αʔϏεͷ։࢝ $
systemctl start php-daemon.service # ঢ়ଶ֬ೝ $ systemctl status php-daemon.service # ఀࢭ $ systemctl stop php-daemon.service
Journalctl͍ͭͯ ‣ ϩάϑΝΠϧͷཧ͕ෆཁʂʢϩʔςʔγϣϯɺύʔϛογϣϯઃఆͳ Ͳʣ ‣ ߏԽσʔλͱͯ͠อଘ͞Εɺݕࡧ͕༰қ ‣ λΠϜελϯϓɺϗετ໊ɺϓϩηεIDͳͲͷϝλσʔλ͕ࣗಈతʹ ༩ ‣
γεςϜશମͷϩάͱ౷߹͞Εɺͷ૬ؔؔΛѲ͍͢͠ ‣ ϩάϨϕϧʹΑΔϑΟϧλϦϯά͕؆୯ ‣ ϩάग़ྗɺjournalctlίϚϯυͰ֬ೝͰ͖·͢ɻ
journalctlྫ # αʔϏεͷϩάΛදࣔ $ journalctl -u php-daemon.service # ࠷৽ͷϩάΛϑΥϩʔ $
journalctl -u php-daemon.service -f # ࠓͷϩάͷΈදࣔ $ journalctl -u php-daemon.service -#since today $ journalctl -u php-daemon.service -#since "2023-03-20 21:30:08" -#until "2023-03-20 22:30:08" # ΤϥʔϨϕϧͷϩάͷΈදࣔ $ journalctl -u php-daemon.service -p err # JSONܗࣜͰग़ྗ $ journalctl -u php-daemon.service -#output=json
ࢹͱ݈શੑ֬อ ‣ ϩάJournalctlͰࢹͰ͖Δ ‣ ʁʮͱ͍͑ɺҟৗऴྃͨ͠ΒͲ͏͢ΔͷʁPHP৴༻ͳ͍ ͠…ʯ ‣ ϔϧενΣοΫΛఆظతʹ࣮ߦͯ͠…ͱ͔͋Γ·͕͢ ‣ ͳΜͱɺҟৗऴྃͳΒSystemd͕࠶ىಈΛͬͯ͘Ε·
͢ʂʂʂ ศརʂʂʂʂ
༨ஊɿsystemdʹΑΔεέδϡʔϧ࣮ߦ ‣ ͱ͍͑ɺσʔϞϯϓϩάϥϜͳΜͯ࡞Γͨ͘ͳ͍ਓͷͨΊͷ systemdཱ͓ͪใ ‣ SystemdσʔϞϯͷىಈऴྃΛ͢Δ͚ͩͱ͓͍͖ɺεέ δϡʔϧ࣮ߦͰ͖ΔʹCronͷΘΓʹ͑Δ ‣ Cronͱ͕ͪͬͯϑΝΠϧΛઃஔͯ͠ཧ͢ΔͷͰɺIaCͱ૬ੑ͕ ྑ͍Ͱ͢
‣ Ұ࣌ఀࢭͱ͔ႈʹͰ͖·͢
systemdλΠϚʔϢχοτ # /etc/systemd/system/php-daemon.timer [Unit] Description=Run PHP daemon daily [Timer] OnCalendar=*-*-*
03:00:00 # ຖޕલ3࣌ʹ࣮ߦ AccuracySec=1s # ਫ਼Λ1ඵʹઃఆ [Install] WantedBy=timers.target
1Ҏʹυϯυϯ࣮ߦ͍ͨ͠߹ɺ͜ͷΑ͏ͳ͜ͱͰ͖·͢ [Unit] Description=My Job Service After=network.target [Service] Type=oneshot ExecStart=/path/to/your/script.sh [Unit]
Description=Run My Job every 10 seconds [Timer] OnUnitActiveSec=10s #લճͷ࣮ߦ͔Β10ඵޙʹ࠶࣮ߦ AccuracySec=1s [Install] WantedBy=timers.target
·ͱΊ ‣ Craft ‣ PHPͰσʔϞϯϓϩάϥϜ͕࡞Մೳ ‣ Taim ‣ γάφϧॲཧ͕ॏཁ ‣
summon ‣ systemdͳͲͷπʔϧΛ׆༻͠·͠ΐ͏
࣭λΠϜͦͷ1 ࣭͕͋͝ΕͲ͏ͧʂ
͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ PHPͰσʔϞϯΛʮࣂ͍ͳΒ͠ʯɺ࣮༻తʹӡ༻͠·͠ΐ͏ʂ (͔͖ͣ͞Μ https://x.com/i999rri τʔΫϨϏϡʔ͋Γ͕ͱ͏ʂ)
ͬͯɺ͜ΕͰऴΘΔΘ͚ͳ͍Ζ͕͍ʂʂʂ ͏ͣΒͪΌΜτʔΫΛΊΜͰʔʂʂʂ
͔͜͜Βָ͓͠ΈλΠϜ ‣ ʮPHPͰͭ͘ΒΕͨσʔϞϯͬͯͭΛΈͤͯ͋͛·͢Α…ʂʯ ‣ ʮ͑͑ͬPHPͰʂʁʯʮ͍ʂʂʯ ‣ ʮDemon(ѱຐ)Ͱͳ͘ʂʁʯʮ͍ʁʁʯ
Keira
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‣ KeiraɺPHPͱamphpͰߏங͞ΕͨWebϞχλϦϯάΞϓϦ Ͱ͢ɻෳΛಉ࣌ࢹ͠ɺ͕ൃੜͨ͠ࡍʹϦΞϧλΠϜͰ௨ ͠·͢ɻ ‣ ϦΞϧλΠϜ௨ɿোൃੜ࣌ʹଈ࠲ʹSlack௨(※) ‣ WebSocketରԠɿϦΞϧλΠϜߋ৽ΛWebSocketͰఏڙ ‣ RESTful
APIɿγϯϓϧͳAPIͰࢹσʔλʹΞΫηε ‣ γάφϧ੍ޚɿUNIXγάφϧͰΞϓϦΛૢ࡞ ‣ ֤छΧελϚΠζࢹઃఆ
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ࢲʮͲ͏Ͱ͢ʁʯ ʁʮJS Chart͓͔͘͠Ͷʁʯ ࢲʮຊ࣭Ͱͳ͍ʯ
ʢσʔϞϯͳΒͰͷʣӡ༻ʹ͑ΔϙΠϯτ ‣ Ұ࣌ఀࢭ͕ USR1,2 γάφϧͰͰ͖Δ ‣ ઃఆϑΝΠϧͷϦϩʔυΛHUPͰͰ͖Δ ‣ ࢹઌͷՃɺআɺҰ࣌ఀࢭͳͲΛαϙʔτ ‣
͜ͷ࣌ʹWebSocket͕அ͞ΕͨΓ͠·ͤΜ ‣ ౷ܭใ͖͑·ͤΜ ‣ ͳͥͳΒσʔϞϯͳͷͰ(ʁʁʁ)
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Slack௨αϙʔτ͍ͯ͠Δʂ ‣ ͭΓ͕ͩͬͨɺࠓόάͬͯ·ͨ͠wwww ‣ ͳͷͰಈը͕ͳ͍ʂʂʂ ‣ ·͋ɺ͏͍ͨ͝ΜͩΑʂʂʂʂ৴ͯ͘͡Εʂʂʂʂ
Keiraͷίʔυͪ͜Β ‣ https://github.com/uzulla/Keira ‣ ҙ: ։ൃதͰ͢w ຊͷࢹʹ·ͩΘͳ͍Ͱ͍ͩ͘͞w
ͩ͜ΘΓϙΠϯτ ‣ WebsocketΛॲཧ͠ͳ͕Βɺࢹܧଓ͍ͯ͠Δ͠ɺREST API ͏͖͝·͢ʂ ‣ σʔϞϯͳͷͰɺDBͱ͔ෆཁʂ(σʔλมʹ͍ͬͯ·͢) ‣ 1ϓϩηεͳͷͰɺDockerίϯςφͱ͔Ͱಈ͔͢ͷָʑʂ (SystemdͷͲ͜ʹ…ʁ)
ίʔυ͓͠ΖϙΠϯτ ‣ amphpͳͷͰɺPure PHPͰ͢ (C֦ுෆཁ) ‣ ݁ߏಡΈ͔͍ͯ͋͘͢Γ·͢(ݸਓࠩ͋Δ) ‣ ApiServer.phpͱ͔ΈͯΈ͍ͯͩ͘͞ ‣
γάφϧॲཧɺUtil/SignalHandler.phpʹॻ͍ͯ͋Γ·͢ ‣ Application.php ͰɺػೳΛϚϯτ͍ͯ͘͠ͷ͕͓͠Ζ͍ ‣ Asyncͱ͔ɺCancelͱ͔͕͋Δ (ଞͷݴޠͬͯΔͻͱͳΒ͓͠Ζ͍Ͱ͠ΐ)
## Keira/src/Keira/Application.php /$ Create signal handler $this-&signalHandler = new SignalHandler($this-&configLoader,
$this-&monitorManager, $this-&appLogger); $this-&signalHandler-®ister(); /$ Create data retention manager $this-&dataRetention = new DataRetention($this-&monitorManager, $this-&appLogger); $this-&dataRetention-&start(); /$ Create API server $this-&apiServer = new ApiServer('0.0.0.0', 8080, $this-&monitorManager, $this-&appLogger); $this-&apiServer-&start(); /$ Start monitoring $this-&monitorManager-&start();
## KKeira/src/Keira/WebSocket/WebSocketHandler.php public function handleClient( ): void { $this-%gateway-%addClient($client); try
{ foreach ($client as $message) { $payload = $message; $this-%logger-%info("[INFO][APP] Received WebSocket message: {$payload}"); } } catch (\Throwable $e) { $this-%logger-%error("[ERROR][APP] WebSocket error: {$e-%getMessage()}"); } finally { $this-%logger-%info("[INFO][APP] WebSocket client disconnected"); } } /** * Broadcast monitor result to all connected clients *( private function broadcastResult(MonitorResult $result): void { $payload = json_encode($result-%toArray()); if ($payload) { $this-%gateway-%broadcastText($payload); } }
## Keira/src/Keira/Api/ApiServer.php private function registerRoutes(): void { /% GET /monitors
- List all monitors $this-'router-'addRoute('GET', '/monitors', new ClosureRequestHandler( function ($request) { $handler = new MonitorsHandler($this-'monitorManager); return $handler($request); } )); /% GET /ws-test - WebSocket test page $this-'router-'addRoute('GET', '/ws-test', new ClosureRequestHandler( function ($request) { $templatePath = '/websocket-test.html'; if (!file_exists($templatePath)) { return new \Amp\Http\Server\Response( status: 500, headers: ['Content-Type' =+ 'text/plain'], body: 'Template file not found' ); } $html = file_get_contents($templatePath); return new \Amp\Http\Server\Response( status: 200, headers: ['Content-Type' =+ 'text/html'], body: $html ); } ));
## Keira/src/Keira/Util/SignalHandler.php public function register(): void { /% SIGHUP: Reload
configuration async(function () { while (true) { try { trapSignal(\SIGHUP); $this-(handleSighup(); } catch (SignalException $e) { /% Signal handler was cancelled break; } } });
·ͱΊ2 ‣ PHPͰɺ࣮༻తͳσʔϞϯ͕࡞ΕΔʂ ‣ ͔͠ɺҊ֎ಡΊΔʂ(ݸਓࠩ͋Γ·͢) ‣ νϡʔχϯά(CPUෛՙ)ͱ͔·ͩ·ͩͰ͢ɻ Ͱɺಈ͘͜ͱ͕Θ͔ΔɺͦΕ͕࢝·ΓͰ͢ʂʂʂ
ʮΦϨͨͪ·ͩΓ࢝Ί͔ͨΓ͔ͩΒͳɻ ͜ͷͯ͠ͳ͘ԕ͍σʔϞϯ࿉ΛΑ…!ʯ
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DB-monitor ‣ https://github.com/uzulla/db-monitor ‣ ʮՔಇதͷσʔλϕʔεͷ౷ܭใΛϦΞϧλΠϜʹදࣔ͠ɺվળʹ ཱͯΔใΛऔಘ͢ΔπʔϧͰ͢ʯ ‣ DBʹৗ࣌ଓͯ͠ɺΫΤϦΛϞχλʔ͢ΔπʔϧΛͭ͘Γ͔ͨͬͨ ‣ ʮPHPͰʂʂʂʂʂʂʂʂʂʯ
‣ ͳͥͳΒPHPͳΒɺ৭ʑͳਖ਼نදݱͱָ͔͕ʹ͑Δ͠ɺίʔυ͕ಡΈ ͍͔͢Β(ݸਓࠩ͋Δ) ‣ ͜ΕamphpͰॻ͍ͯ·͢
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͓ΘΓ ‣ ࣭͋Γ·͔͢ʁ ‣ ͳ͍ͳΒɺthrowable.bsky.social ͷσϞͰ͢Δ