{"id":2995,"date":"2022-09-26T23:32:05","date_gmt":"2022-09-26T15:32:05","guid":{"rendered":"https:\/\/www.yaoge123.com\/blog\/?p=2995"},"modified":"2022-09-26T23:32:05","modified_gmt":"2022-09-26T15:32:05","slug":"dnsmasq-%e4%b8%bahpc%e9%9b%86%e7%be%a4%e5%a4%96%e5%ae%b9%e5%99%a8%e6%8f%90%e4%be%9b%e9%9b%86%e7%be%a4%e5%86%85%e4%b8%bb%e6%9c%ba%e5%90%8d%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.yaoge123.com\/blog\/archives\/2995","title":{"rendered":"DNSmasq \u4e3aHPC\u96c6\u7fa4\u5916\u5bb9\u5668\u63d0\u4f9b\u96c6\u7fa4\u5185\u4e3b\u673a\u540d\u89e3\u6790"},"content":{"rendered":"\n<p>\u5728HPC\u96c6\u7fa4\u4e2d\u901a\u5e38\u6709DNS\u548c\u672c\u5730hosts\u63d0\u4f9b\u89e3\u6790\u670d\u52a1\uff0c\u4ee5\u4fbf\u8282\u70b9\u95f4\u901a\u8fc7\u4e3b\u673a\u540d\u4e92\u76f8\u901a\u4fe1\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u4f7f\u7528IP\u5730\u5740\u3002\u4f46\u662f\u5982\u679c\u5728\u96c6\u7fa4\u5916\u6709\u4e00\u4e2a\u72ec\u7acb\u670d\u52a1\u5668\u4e2d\u7684\u5bb9\u5668\u9700\u8981\u4e0e\u96c6\u7fa4\u5185\u7684\u8282\u70b9\u901a\u8fc7\u4e3b\u673a\u540d\u901a\u8baf\uff0c\u5c31\u9700\u8981\u901a\u8fc7DNS\u6765\u7ed9\u5bb9\u5668\u63d0\u4f9b\u89e3\u6790\u670d\u52a1\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u81ea\u52a8\u5316\u811a\u672c\u5c06\u96c6\u7fa4\u7684hosts\u62f7\u8d1d\u5230\u72ec\u7acb\u670d\u52a1\u5668\u7684\u4e00\u4e2a\u76ee\u5f55\u4e0b\uff0c\u5982 \/home\/hpc\/dns\/hosts<\/p>\n\n\n\n<p>\u81ea\u5df1\u505a\u4e00\u4e2adnsmasq\u7684\u5bb9\u5668\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;yaoge123]$ cat dnsmasq\/Dockerfile \nFROM alpine:latest\nRUN apk update \\\n &amp;&amp; apk upgrade \\\n &amp;&amp; apk add --no-cache \\\n            dnsmasq \\\n &amp;&amp; rm -rf \/var\/cache\/apk\/*\n<\/code><\/pre>\n\n\n\n<p>\u7f16\u5199docker-compose.yml\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>dnsmasq\u63d0\u4f9b\u4e86DNS\u670d\u52a1\uff0c\u9700\u8981\u6307\u5b9aip\u5730\u5740\uff0c\u4ee5\u4fbf\u5728\u4e0b\u9762\u5176\u5b83\u5bb9\u5668\u914d\u7f6e\u4e2d\u6307\u5b9adns ip<\/li><li>\/home\/hpc\/dns \u662f\u5b58\u50a8hosts\u7684\u672c\u673a\u76ee\u5f55<\/li><li>\u751f\u4ea7\u73af\u5883\u7528 &#8211;keep-in-foreground\uff0c\u8c03\u8bd5\u65f6\u7528&#8211;no-daemon\u548c&#8211;log-queries<\/li><li>&#8211;domain-needed \u4e00\u5b9a\u8981\u52a0\uff0c\u9632\u6b62dnsmasq\u5c06\u6ca1\u6709\u57df\u7684\u4e3b\u673a\u540d\uff08\u6ca1\u6709.\u7684\uff09\u8f6c\u53d1\u7ed9\u4e0a\u6e38DNS<\/li><li>&#8211;cache-size= \u6539\u7684\u6bd4hosts\u6587\u4ef6\u884c\u6570\u591a\u4e00\u4e9b<\/li><li>abc\u662f\u8981\u89e3\u6790\u96c6\u7fa4\u5185\u4e3b\u673a\u540d\u7684\u5bb9\u5668\uff0c\u6dfb\u52a0\u7684dns\u5c31\u662f\u4e3a\u4e86\u7528dnsmasq\u6765\u63d0\u4f9b\u89e3\u6790\u670d\u52a1<\/li><li>\u4e0d\u8981\u89e3\u6790\u7684\u5c31\u4e0d\u8981\u52a0dns<\/li><\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>services:\n  dnsmasq:\n    build: .\/dnsmasq\n    image: dnsmasq\n    container_name: dnsmasq\n    networks:\n      default:\n        ipv4_address: 192.168.100.200\n    volumes:\n      - \/home\/hpc\/dns:\/etc\/dns:ro\n    command:\n      - dnsmasq\n      - --keep-in-foreground\n        #- --no-daemon\n        #- --log-queries\n      - --domain-needed\n      - --no-hosts\n      - --cache-size=3000\n      - --hostsdir=\/etc\/dns\n  abc:\n    image: abc\n    container_name: abc\n    dns:\n      - 192.168.100.200\n  \u2026\u2026\u2026\u2026\nnetworks:\n  default:\n    driver: bridge\n    ipam:\n      driver: default\n      config:\n        - subnet: 192.168.100.0\/24<\/code><\/pre>\n\n\n\n<p>\u6d4b\u8bd5\u89e3\u6790\u548c\u67e5\u770b dnsmasq \u7f13\u5b58\u60c5\u51b5\uff0cevictions\u4e3a0\u6700\u597d<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;yaoge123]# run --rm -it --network=docker_default --dns=192.168.100.200 alpine sh\n\/ # apk add bind-tools\n\/ # dig +short node_name\n\/ # for i in \"cachesize.bind insertions.bind evictions.bind misses.bind hits.bind auth.bind servers.bind\";do dig +short chaos txt $i;done<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5728HPC\u96c6\u7fa4\u4e2d\u901a\u5e38\u6709DNS\u548c\u672c\u5730hosts\u63d0\u4f9b\u89e3\u6790\u670d\u52a1\uff0c\u4ee5\u4fbf\u8282\u70b9\u95f4\u901a\u8fc7\u4e3b\u673a\u540d\u4e92\u76f8\u901a\u4fe1\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u4f7f\u7528IP\u5730\u5740\u3002 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[198,11],"tags":[],"class_list":["post-2995","post","type-post","status-publish","format-standard","hentry","category-hpc","category-xnix"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paOwEq-Mj","_links":{"self":[{"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/posts\/2995","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/comments?post=2995"}],"version-history":[{"count":1,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/posts\/2995\/revisions"}],"predecessor-version":[{"id":3001,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/posts\/2995\/revisions\/3001"}],"wp:attachment":[{"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/media?parent=2995"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/categories?post=2995"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/tags?post=2995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}