{"id":606,"date":"2021-06-30T11:20:47","date_gmt":"2021-06-30T03:20:47","guid":{"rendered":"https:\/\/julyclyde.org\/?p=606"},"modified":"2021-06-30T11:20:47","modified_gmt":"2021-06-30T03:20:47","slug":"supervisor%e6%b3%84%e6%bc%8f%e8%bf%9b%e7%a8%8b%e6%a1%88%e4%be%8b%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/julyclyde.org\/?p=606","title":{"rendered":"supervisor\u6cc4\u6f0f\u8fdb\u7a0b\u6848\u4f8b\u5206\u6790"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u8d77\u56e0<\/h2>\n\n\n\n<p>\u524d\u51e0\u5929\u4f7f\u7528 salt &#8216;*&#8217; test.ping \u7684\u65f6\u5019\u53d1\u73b0\u54cd\u5e94\u5185\u5bb9\u4e2d\u6709\u4e00\u4e9b\u201c\u67d0\u67d0minion&nbsp;was already deleted from tracker, probably a duplicate key\u201c\u7684\u63d0\u793a\u4fe1\u606f\u3002\u521a\u5f00\u59cb\u8bef\u4ee5\u4e3a\u662fsalt-key\u7ba1\u7406\u6709\u95ee\u9898\uff0c\u5c1d\u8bd5\u5220\u9664\u518d\u91cd\u65b0accept\uff0c\u4f46\u662f\u4f9d\u7136\u4f1a\u51fa\u9519\u3002\u5230\u8be5minion\u4e0a\u68c0\u67e5\uff0c\u53d1\u73b0\u4e0a\u9762\u8fd0\u884c\u4e86\u4e24\u5957salt-minion*\u4e09\u5c42\u8fdb\u7a0b\u6811\uff0c\u4e00\u51716\u4e2a\u8fdb\u7a0b\uff0c\u5176\u4e2d\u4e00\u5957\u7684PPID\u4e3a1\uff0c\u53e6\u4e00\u5957\u7684Parent\u662fsupervisord\u3002<\/p>\n\n\n\n<p>\u7136\u540e\u5c31\u5f00\u59cb\u7814\u7a76\u8fd9\u79cd\u60c5\u51b5\u662f\u600e\u4e48\u4ea7\u751f\u7684\uff0c\u53d1\u73b0\u6709\u4e24\u79cd\u53ef\u80fd\uff1a<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c\u4e00\u79cd\u53ef\u80fd<\/h2>\n\n\n\n<p>supervisor\u672c\u8eab\u4e0d\u88absystemd\u76d1\u7ba1\uff0c\u88abSIGKILL\u4fe1\u53f7\u6740\u6b7b\u65f6\uff0c\u56e0\u4e3aSIGKILL\u7531\u5185\u6838\u76f4\u63a5\u5904\u7406\uff0c\u6240\u4ee5\u5e76\u6ca1\u6709\u673a\u4f1a\u5173\u95ed\u4e0b\u5c5e\u7684\u8fdb\u7a0b\uff0c\u5bfc\u81f4\u4e0b\u5c5esalt-minion\u8fdb\u7a0b\u6811\u6cc4\u6f0f\u3002\u800c\u4e14\u4e0d\u4f46salt-minion\u8fdb\u7a0b\u6811\u6cc4\u6f0f\uff0c\u8fde\u540c\u6837\u88absupervisor\u76d1\u7ba1\u7684\u53e6\u4e00\u4e2a\u670d\u52a1\u4e5f\u4e00\u5e76\u6cc4\u6f0f\uff0c\u4e8c\u8005\u7684PPID\u90fd\u53d8\u6210\u4e861\u53f7\u3002<\/p>\n\n\n\n<p>\u4e0d\u8fc7\uff0c\u5982\u679csupervisor\u672c\u8eab\u88absystemd\u76d1\u7ba1\uff0c\u5728\u5176\u4e3b\u8fdb\u7a0b\u88ab\u6740\u6b7b\u65f6\uff0csystemd\u4f1a\u7ed9\u6574\u4e2aservice slice cgroup\u91cc\u6240\u6709\u8fdb\u7a0b\u8865\u5200\uff0c\u6240\u4ee5\u5e76\u4e0d\u4f1a\u6cc4\u6f0f\u8fdb\u7a0b\uff1b\u5982\u679csupervisor\u662f\u88abSIGTERM\u4fe1\u53f7\u6740\u6b7b\uff0c\u5b83\u4e5f\u4f1a\u7ed9\u4e0b\u5c5e\u5b50\u8fdb\u7a0b\u53d1\u4fe1\u53f7\uff0c\u4e00\u822c\u4e5f\u4e0d\u4f1a\u6cc4\u6f0f\u8fdb\u7a0b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c\u4e8c\u79cd\u53ef\u80fd<\/h2>\n\n\n\n<p>supervisor\u6ca1\u6709\u53d7\u5230\u5f71\u54cd\uff0c\u6b63\u5e38\u8fd0\u884c\uff1bsupervisor\u76d1\u7ba1\u7684salt-minion\u4e09\u5c42\u8fdb\u7a0b\u6811\u7684\u5176\u4e2d\u6700\u9ad8\u5c42\u8fdb\u7a0b\uff08\u4e5f\u5c31\u662fsupervisord\u7684\u76f4\u5c5e\u5b50\u8fdb\u7a0b\uff09\u88abSIGKILL\u4fe1\u53f7\u6740\u6b7b\uff0c\u968f\u5373\uff0c\u7b2c\u4e8c\u5c42\u8fdb\u7a0bexit(1) \uff08\u4e0d\u660e\u539f\u56e0\uff0c\u53ef\u80fd\u9700\u8981\u770b\u4e00\u4e0bsalt-minion\u6e90\u7801\uff09\uff0c\u5bfc\u81f4\u7b2c\u4e09\u5c42\u8fdb\u7a0b\u53d8\u6210\u5b64\u513f\u3002\u7ecf\u68c0\u67e5<a href=\"https:\/\/github.com\/Supervisor\/supervisor\/blob\/master\/supervisor\/process.py#L241-L298\">\u6e90\u4ee3\u7801\u7684_spawn_as_child()\u51fd\u6570<\/a>\uff0csupervisor\u9488\u5bf9\u5176\u76d1\u7ba1\u4e0b\u7684\u6bcf\u4e00\u4e2a\u670d\u52a1\uff0c\u90fd\u662f\u91c7\u7528 fork() + setpgid() +execve() \u7684\u65b9\u5f0f\u6765\u542f\u52a8\u7684\uff0c\u5728\u8c03\u7528setpgid()\u6539\u53d8\u4e86process group id\u4e4b\u540e\uff0c\u7b2c\u4e09\u5c42\u8fdb\u7a0b\u7684\u5b64\u513f\u6536\u517b\u5173\u7cfb\u5c31\u4e0d\u518d\u5f52\u5c5e\u4e8esupervisord\u8fdb\u7a0b\uff0c\u800c\u662f\u5f52\u5c5e\u4e8e1\u53f7\u8fdb\u7a0b\u3002<\/p>\n\n\n\n<p>\u968f\u540esupervisor\u4f1a\u91cd\u542fsalt-minion\u670d\u52a1\uff0c\u4ea7\u751f\u65b0\u76843\u4e2a\u8fdb\u7a0b\uff0c\u52a0\u4e0a\u4e4b\u524d\u5269\u4e0b\u7684\uff0c\u4e00\u51714\u4e2a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u8bba<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>\u8003\u8651\u5230\u89c2\u5bdf\u52306\u4e2a\u8fdb\u7a0b\u800c\u4e0d\u662f4\u4e2a\uff0c\u5b9e\u9645\u53d1\u751f\u7684\u5927\u6982\u662f\u524d\u4e00\u79cd\u60c5\u51b5<\/li><li>supervisor\u867d\u7136\u6709\u201c\u80fd\u529b\u201d\u5904\u7406\u8fdb\u7a0b\u9000\u51fa\u4e4b\u540e\u9a6c\u4e0a\u91cd\u542f\u7684\u5de5\u4f5c\uff0c\u4f46\u662f\u56e0\u4e3a\u4f7f\u7528\u4e86setpgid()\u628a\u4e0b\u5c5e\u670d\u52a1\u4e0e\u81ea\u5df1\u9694\u79bb\uff0c\u6ca1\u4f7f\u7528cgroup\u673a\u5236\u628a\u4e0b\u5c5e\u670d\u52a1\u5355\u72ec\u5708\u8d77\u6765\uff0c\u53c8\u4e0d\u5177\u59071\u53f7\u7684\u795e\u5723\u5730\u4f4d\uff0c\u5176\u5b9e\u5b83\u5e76\u4e0d\u77e5\u9053\u5230\u5e95\u4e0b\u5c5e\u4e86\u591a\u5c11\u3001\u54ea\u4e9b\u8fdb\u7a0b\uff0c\u4ece\u673a\u5236\u539f\u7406\u4e0a\u5c31\u6839\u672c\u65e0\u6cd5\u4fdd\u8bc1\u6240\u6709\u4e0b\u5c5e\u7684\u5b64\u513f\u8fdb\u7a0b\u90fd\u88ab\u5176reap\u3002\u8fd8\u662f\u5efa\u8bae\u4e0d\u8981\u5728\u4e25\u8083\u573a\u5408\u4f7f\u7528<\/li><li>1\u53f7\u8fdb\u7a0b\u795e\u5723\uff0c\u6240\u6709\u7684\u670d\u52a1\u8fdb\u7a0b\u76d1\u7ba1\u5de5\u4f5c\u90fd\u5e94\u8be5\u4ea4\u7ed91\u53f7\u8fdb\u7a0b\u6765\u5904\u7406<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u8d77\u56e0 \u524d\u51e0\u5929\u4f7f\u7528 salt &#8216;*&#8217; test.ping \u7684\u65f6\u5019\u53d1\u73b0\u54cd\u5e94\u5185\u5bb9\u4e2d\u6709\u4e00\u4e9b\u201c\u67d0\u67d0minion&nbsp;was already deleted from tracker, probably a duplicate key\u201c\u7684\u63d0\u793a\u4fe1\u606f\u3002\u521a\u5f00\u59cb\u8bef\u4ee5\u4e3a\u662fsalt-key\u7ba1\u7406\u6709\u95ee\u9898\uff0c\u5c1d\u8bd5\u5220\u9664\u518d\u91cd\u65b0accept\uff0c\u4f46\u662f\u4f9d\u7136\u4f1a\u51fa\u9519\u3002\u5230\u8be5minion\u4e0a\u68c0\u67e5\uff0c\u53d1\u73b0\u4e0a\u9762\u8fd0\u884c\u4e86\u4e24\u5957salt-minion*\u4e09\u5c42\u8fdb\u7a0b\u6811\uff0c\u4e00\u51716\u4e2a\u8fdb\u7a0b\uff0c\u5176\u4e2d\u4e00\u5957\u7684PPID\u4e3a1\uff0c\u53e6\u4e00\u5957\u7684Parent\u662fsupervisord\u3002 \u7136\u540e\u5c31\u5f00\u59cb\u7814\u7a76\u8fd9\u79cd\u60c5\u51b5\u662f\u600e\u4e48\u4ea7\u751f\u7684\uff0c\u53d1\u73b0\u6709\u4e24\u79cd\u53ef\u80fd\uff1a \u7b2c\u4e00\u79cd\u53ef\u80fd supervisor\u672c\u8eab\u4e0d\u88absystemd\u76d1\u7ba1\uff0c\u88abSIGKILL\u4fe1\u53f7\u6740\u6b7b\u65f6\uff0c\u56e0\u4e3aSIGKILL\u7531\u5185\u6838\u76f4\u63a5\u5904\u7406\uff0c\u6240\u4ee5\u5e76\u6ca1\u6709\u673a\u4f1a\u5173\u95ed\u4e0b\u5c5e\u7684\u8fdb\u7a0b\uff0c\u5bfc\u81f4\u4e0b\u5c5esalt-minion\u8fdb\u7a0b\u6811\u6cc4\u6f0f\u3002\u800c\u4e14\u4e0d\u4f46salt-minion\u8fdb\u7a0b\u6811\u6cc4\u6f0f\uff0c\u8fde\u540c\u6837\u88absupervisor\u76d1\u7ba1\u7684\u53e6\u4e00\u4e2a\u670d\u52a1\u4e5f\u4e00\u5e76\u6cc4\u6f0f\uff0c\u4e8c\u8005\u7684PPID\u90fd\u53d8\u6210\u4e861\u53f7\u3002 \u4e0d\u8fc7\uff0c\u5982\u679csupervisor\u672c\u8eab\u88absystemd\u76d1\u7ba1\uff0c\u5728\u5176\u4e3b\u8fdb\u7a0b\u88ab\u6740\u6b7b\u65f6\uff0csystemd\u4f1a\u7ed9\u6574\u4e2aservice slice cgroup\u91cc\u6240\u6709\u8fdb\u7a0b\u8865\u5200\uff0c\u6240\u4ee5\u5e76\u4e0d\u4f1a\u6cc4\u6f0f\u8fdb\u7a0b\uff1b\u5982\u679csupervisor\u662f\u88abSIGTERM\u4fe1\u53f7\u6740\u6b7b\uff0c\u5b83\u4e5f\u4f1a\u7ed9\u4e0b\u5c5e\u5b50\u8fdb\u7a0b\u53d1\u4fe1\u53f7\uff0c\u4e00\u822c\u4e5f\u4e0d\u4f1a\u6cc4\u6f0f\u8fdb\u7a0b\u3002 \u7b2c\u4e8c\u79cd\u53ef\u80fd supervisor\u6ca1\u6709\u53d7\u5230\u5f71\u54cd\uff0c\u6b63\u5e38\u8fd0\u884c\uff1bsupervisor\u76d1\u7ba1\u7684salt-minion\u4e09\u5c42\u8fdb\u7a0b\u6811\u7684\u5176\u4e2d\u6700\u9ad8\u5c42\u8fdb\u7a0b\uff08\u4e5f\u5c31\u662fsupervisord\u7684\u76f4\u5c5e\u5b50\u8fdb\u7a0b\uff09\u88abSIGKILL\u4fe1\u53f7\u6740\u6b7b\uff0c\u968f\u5373\uff0c\u7b2c\u4e8c\u5c42\u8fdb\u7a0bexit(1) 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\u8003\u8651\u5230\u89c2\u5bdf\u52306\u4e2a\u8fdb\u7a0b\u800c\u4e0d\u662f4\u4e2a\uff0c\u5b9e\u9645\u53d1\u751f\u7684\u5927\u6982\u662f\u524d\u4e00\u79cd\u60c5\u51b5 supervisor\u867d\u7136\u6709\u201c\u80fd\u529b\u201d\u5904\u7406\u8fdb\u7a0b\u9000\u51fa\u4e4b\u540e\u9a6c\u4e0a\u91cd\u542f\u7684\u5de5\u4f5c\uff0c\u4f46\u662f\u56e0\u4e3a\u4f7f\u7528\u4e86setpgid()\u628a\u4e0b\u5c5e\u670d\u52a1\u4e0e\u81ea\u5df1\u9694\u79bb\uff0c\u6ca1\u4f7f\u7528cgroup\u673a\u5236\u628a\u4e0b\u5c5e\u670d\u52a1\u5355\u72ec\u5708\u8d77\u6765\uff0c\u53c8\u4e0d\u5177\u59071\u53f7\u7684\u795e\u5723\u5730\u4f4d\uff0c\u5176\u5b9e\u5b83\u5e76\u4e0d\u77e5\u9053\u5230\u5e95\u4e0b\u5c5e\u4e86\u591a\u5c11\u3001\u54ea\u4e9b\u8fdb\u7a0b\uff0c\u4ece\u673a\u5236\u539f\u7406\u4e0a\u5c31\u6839\u672c\u65e0\u6cd5\u4fdd\u8bc1\u6240\u6709\u4e0b\u5c5e\u7684\u5b64\u513f\u8fdb\u7a0b\u90fd\u88ab\u5176reap\u3002\u8fd8\u662f\u5efa\u8bae\u4e0d\u8981\u5728\u4e25\u8083\u573a\u5408\u4f7f\u7528 1\u53f7\u8fdb\u7a0b\u795e\u5723\uff0c\u6240\u6709\u7684\u670d\u52a1\u8fdb\u7a0b\u76d1\u7ba1\u5de5\u4f5c\u90fd\u5e94\u8be5\u4ea4\u7ed91\u53f7\u8fdb\u7a0b\u6765\u5904\u7406<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[10,74,12],"class_list":["post-606","post","type-post","status-publish","format-standard","hentry","category-default","tag-linux","tag-saltstack","tag-standardization"],"_links":{"self":[{"href":"https:\/\/julyclyde.org\/index.php?rest_route=\/wp\/v2\/posts\/606","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/julyclyde.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/julyclyde.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/julyclyde.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/julyclyde.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=606"}],"version-history":[{"count":0,"href":"https:\/\/julyclyde.org\/index.php?rest_route=\/wp\/v2\/posts\/606\/revisions"}],"wp:attachment":[{"href":"https:\/\/julyclyde.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/julyclyde.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/julyclyde.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}