{"id":204095,"date":"2025-05-29T08:03:03","date_gmt":"2025-05-29T00:03:03","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204095\/"},"modified":"2025-05-29T08:03:03","modified_gmt":"2025-05-29T00:03:03","slug":"%e4%bd%bf%e7%94%a8-python-%e8%87%aa%e5%8a%a8%e7%9b%91%e6%8e%a7%e7%a3%81%e7%9b%98%e8%b5%84%e6%ba%90%e4%bd%bf%e7%94%a8%e6%83%85%e5%86%b5%e5%92%8c%e6%9c%8d%e5%8a%a1%e5%99%a8%e8%bf%90%e8%a1%8c%e7%8a%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204095\/","title":{"rendered":"\u4f7f\u7528 Python \u81ea\u52a8\u76d1\u63a7\u78c1\u76d8\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u548c\u670d\u52a1\u5668\u8fd0\u884c\u72b6\u51b5\u66f4\u65b0"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u4f7f\u7528 Python \u81ea\u52a8\u76d1\u63a7\u78c1\u76d8\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u548c\u670d\u52a1\u5668\u8fd0\u884c\u72b6\u51b5\u66f4\u65b0<\/h1>\n<p>\u77e5\u8bc6\u70b9\u638c\u63e1\u4e86\uff0c\u8fd8\u9700\u8981\u4e0d\u65ad\u7ec3\u4e60\u624d\u80fd\u719f\u7ec3\u8fd0\u7528\u3002\u4e0b\u9762\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u5b9e\u6218\uff0c\u624b\u628a\u624b\u6559\u5927\u5bb6\u5b66\u4e60\u300a\u4f7f\u7528 Python \u81ea\u52a8\u76d1\u63a7\u78c1\u76d8\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u548c\u670d\u52a1\u5668\u8fd0\u884c\u72b6\u51b5\u66f4\u65b0\u300b\uff0c\u5728\u5b9e\u73b0\u529f\u80fd\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u5e26\u5927\u5bb6\u91cd\u65b0\u6e29\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5934\u770b\u770b\u8bf4\u4e0d\u5b9a\u53c8\u6709\u4e0d\u4e00\u6837\u7684\u611f\u609f\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730037461671e46d586a58.jpg\" class=\"aligncenter\"><\/p>\n<p>\u76d1\u63a7\u670d\u52a1\u5668\u78c1\u76d8\u4f7f\u7528\u60c5\u51b5\u5bf9\u4e8e\u4fdd\u6301\u6700\u4f73\u6027\u80fd\u548c\u9632\u6b62\u505c\u673a\u81f3\u5173\u91cd\u8981\u3002\u5728\u8fd9\u7bc7\u535a\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8\u5982\u4f55\u4f7f\u7528 python \u811a\u672c\u81ea\u52a8\u76d1\u63a7\u78c1\u76d8\u8d44\u6e90\u5e76\u901a\u8fc7 api \u66f4\u65b0\u670d\u52a1\u5668\u8fd0\u884c\u72b6\u51b5\u3002\u6211\u4eec\u8fd8\u5c06\u8ba8\u8bba\u5982\u4f55\u8bbe\u7f6e cron \u4f5c\u4e1a\u6765\u5b9a\u671f\u8fd0\u884c\u811a\u672c\u3002<\/p>\n<ul>\n<li>python\u7f16\u7a0b\u57fa\u7840\u77e5\u8bc6<\/li>\n<li>\u719f\u6089linux\u547d\u4ee4\u884c\u64cd\u4f5c<\/li>\n<li>\u8bbf\u95ee\u53ef\u4ee5\u8fd0\u884c python \u811a\u672c\u5e76\u8bbe\u7f6e cron \u4f5c\u4e1a\u7684\u670d\u52a1\u5668<\/li>\n<li>\u7528\u4e8e\u66f4\u65b0\u670d\u52a1\u5668\u8fd0\u884c\u72b6\u51b5\u7684 api \u7aef\u70b9\uff08\u66ff\u6362\u4e3a\u60a8\u7684\u5b9e\u9645 api url \u548c\u4ee4\u724c\uff09<\/li>\n<\/ul>\n<p>\u4e0b\u9762\u662f\u6267\u884c\u78c1\u76d8\u8d44\u6e90\u76d1\u63a7\u5e76\u901a\u8fc7 api \u66f4\u65b0\u670d\u52a1\u5668\u8fd0\u884c\u72b6\u51b5\u7684 python \u811a\u672c\u3002<\/p>\n<blockquote>\n<p>\u672c\u7bc7\u535a\u6587\u672a\u6db5\u76d6 health api \u521b\u5efa\uff0c\u5982\u679c\u60a8\u4e5f\u9700\u8981\uff0c\u8bf7\u53d1\u8868\u8bc4\u8bba\uff0c\u6211\u4e5f\u4f1a\u53d1\u5e03\u8be5 api \u521b\u5efa\u6b65\u9aa4\u3002<\/p>\n<\/blockquote>\n<pre>import subprocess\nimport requests\nimport argparse\n\n\nclass resource:\n    file_system = ''\n    disk_size = 0.0\n    used = 0.0\n    avail = 0.0\n    use_percent = 0.0\n    mounted_on = 0.0\n    disk_free_threshold = 1\n    mount_partition = \"\/\"\n\n\nclass resourcesmonitor(resource):\n    def __init__(self):\n        self.__file_system = resource.file_system\n        self.__disk_size = resource.disk_size\n        self.__used = resource.used\n        self.__avail = resource.avail\n        self.__use_percent = resource.use_percent\n        self.__mounted_on = resource.mounted_on\n        self.__disk_free_threshold = resource.disk_free_threshold\n        self.__mount_partition = resource.mount_partition\n\n    def show_resource_usage(self):\n        \"\"\"\n        print the resource usage of disk.\n        \"\"\"\n        print(\"file_system\", \"disk_size\", \"used\", \"avail\", \"use_percent\", \"mounted_on\")\n        print(self.__file_system, self.__disk_size, self.__used, self.__avail, self.__use_percent, self.__mounted_on)\n\n    def check_resource_usage(self):\n        \"\"\"\n        check the disk usage by running the unix 'df -h' command.\n        \"\"\"\n        response_df = subprocess.popen([\"df\", \"-h\"], stdout=subprocess.pipe)\n        for line in response_df.stdout:\n            split_line = line.decode().split()\n            if split_line[5] == self.__mount_partition:\n                if int(split_line[4][:-1]) &gt; self.__disk_free_threshold:\n                    self.__file_system, self.__disk_size, self.__used = split_line[0], split_line[1], split_line[2]\n                    self.__avail, self.__use_percent, self.__mounted_on = split_line[3], split_line[4], split_line[5]\n                    self.show_resource_usage()\n                    self.update_resource_usage_api(self)\n\n    def update_resource_usage_api(self, resource):\n        \"\"\"\n        call the update api using all resource details.\n        \"\"\"\n        update_resource_url = url.format(\n            resource.__file_system,\n            resource.__disk_size,\n            resource.__used,\n            resource.__avail,\n            resource.__use_percent,\n            resource_id\n        )\n\n        print(update_resource_url)\n        payload = {}\n        files = {}\n        headers = {\n            'token': 'bearer apitoken'\n        }\n        try:\n            response = requests.request(\"get\", update_resource_url, headers=headers, data=payload, files=files)\n            if response.ok:\n                print(response.json())\n        except exception as ex:\n            print(\"error while calling update api\")\n            print(ex)\n\n\nif __name__ == '__main__':\n    url = \"http:\/\/yourapi.com\/update_server_health_by_server_id?path={}&amp;size={}\" \\\n          \"&amp;used={}&amp;avail={}&amp;use_percent={}&amp;id={}\"\n    parser = argparse.argumentparser(description='disk resource monitor')\n    parser.add_argument('-id', metavar='id', help='id record of server', default=7, type=int)\n    args = parser.parse_args()\n    resource_id = args.id\n    print(resource_id)\n    resource_monitor = resourcesmonitor()\n    resource_monitor.check_resource_usage()\n<\/pre>\n<p>resource \u7c7b\u5b9a\u4e49\u4e86\u4e0e\u78c1\u76d8\u4f7f\u7528\u76f8\u5173\u7684\u5c5e\u6027\uff0c\u4f8b\u5982\u6587\u4ef6\u7cfb\u7edf\u3001\u78c1\u76d8\u5927\u5c0f\u3001\u5df2\u7528\u7a7a\u95f4\u7b49\u3002 resourcesmonitor\u7c7b\u7ee7\u627f\u81earesource\u5e76\u521d\u59cb\u5316\u8fd9\u4e9b\u5c5e\u6027\u3002<\/p>\n<p>check_resource_usage \u65b9\u6cd5\u6267\u884c unix df -h \u547d\u4ee4\u6765\u83b7\u53d6\u78c1\u76d8\u4f7f\u7528\u7edf\u8ba1\u4fe1\u606f\u3002\u5b83\u89e3\u6790\u8f93\u51fa\u4ee5\u67e5\u627e\u6307\u5b9a\u5b89\u88c5\u5206\u533a\u7684\u78c1\u76d8\u4f7f\u7528\u60c5\u51b5\uff08\u9ed8\u8ba4\u4e3a\/\uff09\u3002\u5982\u679c\u78c1\u76d8\u4f7f\u7528\u7387\u8d85\u8fc7\u9608\u503c\uff0c\u5219\u4f1a\u66f4\u65b0\u8d44\u6e90\u8be6\u7ec6\u4fe1\u606f\u5e76\u8c03\u7528 api \u66f4\u65b0\u65b9\u6cd5\u3002<\/p>\n<p>update_resource_usage_api \u65b9\u6cd5\u4f7f\u7528\u8d44\u6e90\u8be6\u7ec6\u4fe1\u606f\u6784\u9020 api \u8bf7\u6c42 url\uff0c\u5e76\u53d1\u9001 get \u8bf7\u6c42\u6765\u66f4\u65b0\u670d\u52a1\u5668\u8fd0\u884c\u72b6\u51b5\u3002\u786e\u4fdd\u5c06 http:\/\/yourapi.com\/update_server_health_by_server_id \u66ff\u6362\u4e3a\u60a8\u7684\u5b9e\u9645 api \u7aef\u70b9\u5e76\u63d0\u4f9b\u6b63\u786e\u7684 api \u4ee4\u724c\u3002<\/p>\n<p>\u5c06\u811a\u672c\u4fdd\u5b58\u4e3aresource_monitor.py\u5e76\u4f7f\u7528python 3\u8fd0\u884c\u5b83\u3002<\/p>\n<ul>\n<li> -id\uff1a\u8981\u66f4\u65b0\u5065\u5eb7\u6570\u636e\u7684\u670d\u52a1\u5668id\uff08\u9ed8\u8ba4\u4e3a7\uff09\u3002 \u8fd9\u5c06\u6709\u52a9\u4e8e\u5728\u591a\u4e2a\u670d\u52a1\u5668\u4e2d\u8fd0\u884c\u76f8\u540c\u7684\u811a\u672c\uff0c\u53ea\u9700\u66f4\u6539 id\u3002<\/li>\n<\/ul>\n<pre>$ python3 resource_monitor.py -id=7\n\noutput:\nfile_system disk_size used avail use_percent mounted_on\n\/dev\/root 39g 31g 8.1g 80% \/\n\napi get request:\nhttp:\/\/yourapi.com\/update_server_health_by_server_id?path=\/dev\/root&size=39g&used=31g&avail=8.1g&use_percent=80%&id=7\n\nresponse\n{'success': 'servers_health data updated.', 'data': {'id': 7, 'server_id': 1, 'server_name': 'web-server', 'server_ip': '11.11.11.11', 'size': '39g', 'path': '\/dev\/root', 'used': '31g', 'avail': '8.1g', 'use_percent': '80%', 'created_at': '2021-08-28t13:45:28.000000z', 'updated_at': '2024-10-27t08:02:43.000000z'}}\n<\/pre>\n<p>\u8981\u6bcf 30 \u5206\u949f\u81ea\u52a8\u6267\u884c\u4e00\u6b21\u811a\u672c\uff0c\u8bf7\u6dfb\u52a0\u4e00\u4e2a cron \u4f5c\u4e1a\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>*\/30 * * * * python3 \/home\/ubuntu\/resource_monitor.py -id=7 &amp;\n<\/pre>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u8fd0\u884c crontab -e \u5e76\u6dfb\u52a0\u4ee5\u4e0a\u884c\u6765\u7f16\u8f91 cron \u4f5c\u4e1a\u3002\u8fd9\u5c06\u786e\u4fdd\u811a\u672c\u6bcf 30 \u5206\u949f\u8fd0\u884c\u4e00\u6b21\uff0c\u4ece\u800c\u4f7f\u60a8\u7684\u670d\u52a1\u5668\u8fd0\u884c\u72b6\u51b5\u6570\u636e\u4fdd\u6301\u6700\u65b0\u3002<\/p>\n<p>\u901a\u8fc7\u81ea\u52a8\u5316\u78c1\u76d8\u8d44\u6e90\u76d1\u63a7\u548c\u670d\u52a1\u5668\u8fd0\u884c\u72b6\u51b5\u66f4\u65b0\uff0c\u60a8\u53ef\u4ee5\u4e3b\u52a8\u7ba1\u7406\u670d\u52a1\u5668\u7684\u6027\u80fd\u5e76\u907f\u514d\u7531\u4e8e\u78c1\u76d8\u7a7a\u95f4\u77ed\u7f3a\u800c\u5bfc\u81f4\u7684\u6f5c\u5728\u95ee\u9898\u3002\u6b64 python \u811a\u672c\u53ef\u4f5c\u4e3a\u8d77\u70b9\uff0c\u5e76\u53ef\u8fdb\u884c\u5b9a\u5236\u4ee5\u6ee1\u8db3\u60a8\u7684\u7279\u5b9a\u9700\u6c42\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300a\u4f7f\u7528 Python \u81ea\u52a8\u76d1\u63a7\u78c1\u76d8\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u548c\u670d\u52a1\u5668\u8fd0\u884c\u72b6\u51b5\u66f4\u65b0\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n<p>      \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1adev.to \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb\u5220\u9664<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528 Python \u81ea\u52a8\u76d1\u63a7\u78c1\u76d8&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-204095","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204095","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=204095"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204095\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204095"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204095"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204095"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}