{"id":174,"date":"2015-12-23T09:42:44","date_gmt":"2015-12-23T01:42:44","guid":{"rendered":"http:\/\/www.prayerlaputa.com\/?p=174"},"modified":"2015-12-23T09:42:44","modified_gmt":"2015-12-23T01:42:44","slug":"docker%e7%9a%84save%e5%92%8cexport%e5%91%bd%e4%bb%a4%e7%9a%84%e5%8c%ba%e5%88%ab%e3%80%90%e8%bd%ac%e8%bd%bd%e3%80%91","status":"publish","type":"post","link":"http:\/\/prayerlaputa.com\/?p=174","title":{"rendered":"Docker\u7684save\u548cexport\u547d\u4ee4\u7684\u533a\u522b\u3010\u8f6c\u8f7d\u3011"},"content":{"rendered":"<p>\u4e2d\u6587\u5e16\u5b50\u5730\u5740\uff1a<a href=\"http:\/\/my.oschina.net\/zjzhai\/blog\/225112\">http:\/\/my.oschina.net\/zjzhai\/blog\/225112<\/a><br \/>\nstackoverflow\u5730\u5740\uff1a<a href=\"http:\/\/stackoverflow.com\/questions\/22655867\/what-is-the-difference-between-save-and-export-in-docker\">http:\/\/stackoverflow.com\/questions\/22655867\/what-is-the-difference-between-save-and-export-in-docker<\/a><br \/>\n\u6211\u6700\u8fd1\u5728\u73a9Docker\uff0c\u4e00\u79cd\u5e94\u7528\u7a0b\u5e8f\u5bb9\u5668\u548cLinux\u7684\u865a\u62df\u6280\u672f\u3002\u5b83\u592a\u9177\u4e86\uff0c\u521b\u5efaDocker\u955c\u50cf\u548c\u5bb9\u5668\u53ea\u9700\u8981\u51e0\u5206\u949f\u3002\u6240\u6709\u7684\u5de5\u4f5c\u90fd\u662f\u5f00\u7bb1\u5373\u7528\u7684\u3002<!--more--><br \/>\n\u5728\u7ed3\u675f\u6211\u4e00\u5929\u7684\u5de5\u4f5c\u4e4b\u524d\uff0c\u6211\u5e0c\u671b\u80fd\u4fdd\u5b58\u4e0b\u6211\u7684\u5de5\u4f5c\u3002\u4f46\u6211\u5728Docker\u7684save\u548cexport\u547d\u4ee4\u4e4b\u95f4\uff0c\u6211\u51cc\u4e71\u4e86\u3002\u6211\u4e0d\u77e5\u9053\u5b83\u4eec\u4e4b\u95f4\u6709\u4ec0\u4e48\u533a\u522b\u3002\u6240\u4ee5\uff0c\u6211\u4e0aStackOverflow\u95ee\u4e86\u4e00\u4e2a<a href=\"http:\/\/stackoverflow.com\/questions\/22655867\/what-is-the-difference-between-save-and-export-in-docker\" rel=\"nofollow\">\u95ee\u9898<\/a>\uff0c\u63a5\u7740\u5f97\u5230<a href=\"http:\/\/stackoverflow.com\/users\/1014586\/mbarthelemy\" rel=\"nofollow\">mbarthelemy<\/a>\u5f88\u68d2\u7684\u56de\u590d\u3002\u4ee5\u4e0b\u662f\u6211\u53d1\u6398\u5230\u7684\u5185\u5bb9\uff1a<\/p>\n<h3>Docker\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff08\u7b80\u5355\u8bf4\u660e\uff09<\/h3>\n<p>Docker\u662f\u57fa\u4e8e\u955c\u50cf\u7684\u3002\u955c\u50cf\u7c7b\u4f3c\u4e8e\u5df2\u7ecf\u5305\u542b\u4e86\u6587\u4ef6\u3001\u914d\u7f6e\u548c\u5b89\u88c5\u597d\u7684\u7a0b\u5e8f\u7684\u865a\u62df\u673a\u955c\u50cf\u3002\u540c\u6837\u7684\uff0c\u4f60\u53ef\u4ee5\u50cf\u542f\u52a8\u865a\u62df\u673a\u4e00\u6837\u542f\u52a8\u591a\u4e2a\u955c\u50cf\u5b9e\u4f8b\u3002\u8fd0\u884c\u4e2d\u7684\u955c\u50cf\u79f0\u4e3a\u5bb9\u5668\u3002\u4f60\u53ef\u4ee5\u4fee\u6539\u5bb9\u5668\uff08\u6bd4\u5982\u5220\u9664\u4e00\u4e2a\u6587\u4ef6\uff09\uff0c\u4f46\u8fd9\u4e9b\u4fee\u6539\u4e0d\u4f1a\u5f71\u54cd\u5230\u955c\u50cf\u3002\u4e0d\u8fc7\uff0c\u4f60\u4f7f\u7528<code>docker commit &lt;container-id&gt; &lt;image-name&gt;<\/code>\u547d\u4ee4\u53ef\u4ee5\u628a\u4e00\u4e2a\u6b63\u5728\u8fd0\u884c\u7684\u5bb9\u5668\u53d8\u6210\u4e00\u4e2a\u65b0\u7684\u955c\u50cf\u3002<br \/>\n<strong>\u4e3e\u4e2a\u4f8b\u5b50\uff1a<\/strong><\/p>\n<pre><code class=\"hljs bash\">    <span class=\"hljs-comment\"># \u50cfDocker\u5b98\u65b9\u7684hello world\u4f8b\u5b50\u4e00\u6837\uff0c\u62c9\u53d6\u4e00\u4e2a\u53ebbusybox\u7684\u955c\u50cf<\/span>\n    sudo docker pull busybox\n    <span class=\"hljs-comment\"># \u67e5\u770b\u672c\u5730\u5df2\u7ecf\u6709\u54ea\u4e9b\u955c\u50cf<\/span>\n    <span class=\"hljs-comment\"># \u6211\u4eec\u53ef\u4ee5\u770b\u5230busybox<\/span>\n    sudo docker images\n    <span class=\"hljs-comment\"># \u73b0\u5728\u8ba9\u6211\u4eec\u6765\u4fee\u6539\u4e0bbusybox\u955c\u50cf\u7684\u5bb9\u5668<\/span>\n    <span class=\"hljs-comment\"># \u8fd9\u6b21\uff0c\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u6587\u4ef6\u5939<\/span>\n    sudo docker run busybox mkdir \/home\/<span class=\"hljs-built_in\">test<\/span>\n    <span class=\"hljs-comment\"># \u8ba9\u6211\u4eec\u518d\u770b\u770b\u6211\u4eec\u6709\u54ea\u4e9b\u955c\u50cf\u4e86\u3002<\/span>\n    <span class=\"hljs-comment\"># \u6ce8\u610f\u6bcf\u6761\u547d\u4ee4\u6267\u884c\u540e\u5bb9\u5668\u90fd\u4f1a\u505c\u6b62<\/span>\n    <span class=\"hljs-comment\"># \u53ef\u4ee5\u770b\u5230\u6709\u4e00\u4e2abusybox\u5bb9\u5668<\/span>\n    sudo docker ps <span class=\"hljs-operator\">-a<\/span>\n    <span class=\"hljs-comment\"># \u73b0\u5728\uff0c\u53ef\u4ee5\u63d0\u4ea4\u4fee\u6539\u4e86\u3002<\/span>\n    <span class=\"hljs-comment\"># \u63d0\u4ea4\u540e\u4f1a\u770b\u5230\u4e00\u4e2a\u65b0\u7684\u955c\u50cfbusybox-1<\/span>\n    <span class=\"hljs-comment\">#  &lt;CONTAINER ID&gt; \u662f\u521a\u521a\u4fee\u6539\u5bb9\u5668\u540e\u5f97\u5230\u7684ID<\/span>\n    sudo docker commit &lt;CONTAINER ID&gt; busybox-<span class=\"hljs-number\">1<\/span>\n    <span class=\"hljs-comment\"># \u518d\u770b\u770b\u6211\u4eec\u6709\u54ea\u4e9b\u955c\u50cf\u3002<\/span>\n    <span class=\"hljs-comment\"># \u6211\u4eec\u73b0\u5728\u540c\u65f6\u6709busybox\u548cbusybox-1\u955c\u50cf\u4e86\u3002<\/span>\n    sudo docker images\n    <span class=\"hljs-comment\"># \u6211\u4eec\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u770b\u770b\u8fd9\u4e24\u4e2a\u955c\u50cf\u6709\u4ec0\u4e48\u4e0d\u540c<\/span>\n    sudo docker run busybox [ <span class=\"hljs-operator\">-d<\/span> \/home\/<span class=\"hljs-built_in\">test<\/span> ] &amp;&amp; <span class=\"hljs-built_in\">echo<\/span> <span class=\"hljs-string\">'Directory found'<\/span> || <span class=\"hljs-built_in\">echo<\/span> <span class=\"hljs-string\">'Directory not found'<\/span>\n    sudo docker run busybox-<span class=\"hljs-number\">1<\/span> [ <span class=\"hljs-operator\">-d<\/span> \/home\/<span class=\"hljs-built_in\">test<\/span> ] &amp;&amp; <span class=\"hljs-built_in\">echo<\/span> <span class=\"hljs-string\">'Directory found'<\/span> || <span class=\"hljs-built_in\">echo<\/span> <span class=\"hljs-string\">'Directory not found'<\/span>\n<\/code><\/pre>\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u6709\u4e24\u4e2a\u4e0d\u540c\u7684\u955c\u50cf\u4e86\uff08busybox\u548cbusybox-1\uff09\uff0c\u8fd8\u6709\u4e00\u4e2a\u901a\u8fc7\u4fee\u6539busybox\u5bb9\u5668\u5f97\u6765\u7684\u5bb9\u5668\uff08\u591a\u4e86\u4e00\u4e2a\/home\/test\u6587\u4ef6\u5939\uff09\u3002\u4e0b\u9762\u6765\u770b\u770b\uff0c\u662f\u5982\u4f55\u6301\u4e45\u5316\u8fd9\u4e9b\u4fee\u6539\u7684\u3002<\/p>\n<h3>\u5bfc\u51fa(Export)<\/h3>\n<p>Export\u547d\u4ee4\u7528\u4e8e\u6301\u4e45\u5316\u5bb9\u5668\uff08\u4e0d\u662f\u955c\u50cf\uff09\u3002\u6240\u4ee5\uff0c\u6211\u4eec\u5c31\u9700\u8981\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u5f97\u5230\u5bb9\u5668ID\uff1a<\/p>\n<pre><code class=\"hljs stylus\">    sudo docker ps -<span class=\"hljs-tag\">a<\/span>\n<\/code><\/pre>\n<p>\u63a5\u7740\u6267\u884c\u5bfc\u51fa\uff1a<\/p>\n<pre><code class=\"hljs javascript\">    sudo docker <span class=\"hljs-keyword\">export<\/span> &lt;CONTAINER ID&gt; &gt; <span class=\"hljs-regexp\">\/home\/<\/span><span class=\"hljs-keyword\">export<\/span>.tar\n<\/code><\/pre>\n<p>\u6700\u540e\u7684\u7ed3\u679c\u662f\u4e00\u4e2a2.7MB\u5927\u5c0f\u7684Tar\u6587\u4ef6\uff08\u6bd4\u4f7f\u7528save\u547d\u4ee4\u7a0d\u5fae\u5c0f\u4e9b\uff09\u3002<\/p>\n<h3>\u4fdd\u5b58(Save)<\/h3>\n<p>Save\u547d\u4ee4\u7528\u4e8e\u6301\u4e45\u5316\u955c\u50cf\uff08\u4e0d\u662f\u5bb9\u5668\uff09\u3002\u6240\u4ee5\uff0c\u6211\u4eec\u5c31\u9700\u8981\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u5f97\u5230\u955c\u50cf\u540d\u79f0\uff1a<\/p>\n<pre><code class=\"hljs nginx\">    <span class=\"hljs-title\">sudo<\/span> docker images\n<\/code><\/pre>\n<p>\u63a5\u7740\u6267\u884c\u4fdd\u5b58\uff1a<\/p>\n<pre><code class=\"hljs fortran\">    sudo docker <span class=\"hljs-keyword\">save<\/span> busybox<span class=\"hljs-number\">-1<\/span> &gt; \/home\/<span class=\"hljs-keyword\">save<\/span>.tar\n<\/code><\/pre>\n<p>\u6700\u540e\u7684\u7ed3\u679c\u662f\u4e00\u4e2a2.8MB\u5927\u5c0f\u7684Tar\u6587\u4ef6\uff08\u6bd4\u4f7f\u7528export\u547d\u4ee4\u7a0d\u5fae\u5927\u4e9b\uff09\u3002<\/p>\n<h3>\u5b83\u4eec\u4e4b\u95f4\u7684\u4e0d\u540c<\/h3>\n<p>\u73b0\u5728\u6211\u4eec\u521b\u5efa\u4e86\u4e24\u4e2aTar\u6587\u4ef6\uff0c\u8ba9\u6211\u4eec\u6765\u770b\u770b\u5b83\u4eec\u662f\u4ec0\u4e48\u3002\u9996\u5148\u505a\u4e00\u4e0b\u5c0f\u6e05\u7406\u2014\u2014\u628a\u6240\u6709\u7684\u5bb9\u5668\u548c\u955c\u50cf\u90fd\u5220\u9664\uff1a<\/p>\n<pre><code class=\"hljs bash\">    <span class=\"hljs-comment\"># \u67e5\u770b\u6240\u6709\u7684\u5bb9\u5668<\/span>\n    sudo docker ps <span class=\"hljs-operator\">-a<\/span>\n    <span class=\"hljs-comment\"># \u5220\u9664\u5b83\u4eec<\/span>\n    sudo docker rm &lt;CONTAINER ID&gt;\n    <span class=\"hljs-comment\"># \u67e5\u770b\u6240\u6709\u7684\u955c\u50cf<\/span>\n    sudo docker images\n    <span class=\"hljs-comment\"># \u5220\u9664\u5b83\u4eec<\/span>\n    sudo docker rmi busybox-<span class=\"hljs-number\">1<\/span>\n    sudo docker rmi busybox\n<\/code><\/pre>\n<blockquote><p>\u8bd1\u6ce8\uff1a\u53ef\u4ee5\u4f7f\u7528 docker rm $(docker ps -q -a) \u4e00\u6b21\u6027\u5220\u9664\u6240\u6709\u7684\u5bb9\u5668\uff0cdocker rmi $(docker images -q) \u4e00\u6b21\u6027\u5220\u9664\u6240\u6709\u7684\u955c\u50cf\u3002<\/p><\/blockquote>\n<p>\u73b0\u5728\u5f00\u59cb\u5bfc\u5165\u521a\u521a\u5bfc\u51fa\u7684\u5bb9\u5668\uff1a<\/p>\n<pre><code class=\"hljs bash\">    <span class=\"hljs-comment\"># \u5bfc\u5165export.tar\u6587\u4ef6<\/span>\n    cat \/home\/export.tar | sudo docker import - busybox-<span class=\"hljs-number\">1<\/span>-export:latest\n    <span class=\"hljs-comment\"># \u67e5\u770b\u955c\u50cf<\/span>\n    sudo docker images\n    <span class=\"hljs-comment\"># \u68c0\u67e5\u662f\u5426\u5bfc\u5165\u6210\u529f\uff0c\u5c31\u662f\u542f\u52a8\u4e00\u4e2a\u65b0\u5bb9\u5668\uff0c\u68c0\u67e5\u91cc\u9762\u662f\u5426\u5b58\u5728\/home\/test\u76ee\u5f55\uff08\u662f\u5b58\u5728\u7684\uff09<\/span>\n    sudo docker run busybox-<span class=\"hljs-number\">1<\/span>-export [ <span class=\"hljs-operator\">-d<\/span> \/home\/<span class=\"hljs-built_in\">test<\/span> ] &amp;&amp; <span class=\"hljs-built_in\">echo<\/span> <span class=\"hljs-string\">'Directory found'<\/span> || <span class=\"hljs-built_in\">echo<\/span> <span class=\"hljs-string\">'Directory not found'<\/span>\n<\/code><\/pre>\n<p>\u4f7f\u7528\u7c7b\u4f3c\u7684\u6b65\u9aa4\u5bfc\u5165\u955c\u50cf\uff1a<\/p>\n<pre><code class=\"hljs bash\">    <span class=\"hljs-comment\"># \u5bfc\u5165save.tar\u6587\u4ef6<\/span>\n    docker load &lt; \/home\/save.tar\n    <span class=\"hljs-comment\"># \u67e5\u770b\u955c\u50cf<\/span>\n    sudo docker images\n    <span class=\"hljs-comment\"># \u68c0\u67e5\u662f\u5426\u5bfc\u5165\u6210\u529f\uff0c\u5c31\u662f\u542f\u52a8\u4e00\u4e2a\u65b0\u5bb9\u5668\uff0c\u68c0\u67e5\u91cc\u9762\u662f\u5426\u5b58\u5728\/home\/test\u76ee\u5f55\uff08\u662f\u5b58\u5728\u7684\uff09<\/span>\n    sudo docker run busybox-<span class=\"hljs-number\">1<\/span> [ <span class=\"hljs-operator\">-d<\/span> \/home\/<span class=\"hljs-built_in\">test<\/span> ] &amp;&amp; <span class=\"hljs-built_in\">echo<\/span> <span class=\"hljs-string\">'Directory found'<\/span> || <span class=\"hljs-built_in\">echo<\/span> <span class=\"hljs-string\">'Directory not found'<\/span>\n<\/code><\/pre>\n<p><strong>\u90a3\uff0c\u5b83\u4eec\u4e4b\u95f4\u5230\u5e95\u5b58\u5728\u4ec0\u4e48\u4e0d\u540c\u5462\uff1f<\/strong>\u6211\u4eec\u53d1\u73b0\u5bfc\u51fa\u540e\u7684\u7248\u672c\u4f1a\u6bd4\u539f\u6765\u7684\u7248\u672c\u7a0d\u5fae\u5c0f\u4e00\u4e9b\u3002\u90a3\u662f\u56e0\u4e3a\u5bfc\u51fa\u540e\uff0c\u4f1a\u4e22\u5931\u5386\u53f2\u548c\u5143\u6570\u636e\u3002\u6267\u884c\u4e0b\u9762\u7684\u547d\u4ee4\u5c31\u77e5\u9053\u4e86\uff1a<\/p>\n<pre><code class=\"hljs applescript\">    <span class=\"hljs-comment\"># \u663e\u793a\u955c\u50cf\u7684\u6240\u6709\u5c42(layer)<\/span>\n    sudo docker images <span class=\"hljs-comment\">--tree<\/span>\n<\/code><\/pre>\n<p>\u6267\u884c\u547d\u4ee4\uff0c\u663e\u793a\u4e0b\u9762\u7684\u5185\u5bb9\u3002\u6b63\u4f60\u770b\u5230\u7684\uff0c\u5bfc\u51fa\u540e\u518d\u5bfc\u5165(exported-imported)\u7684\u955c\u50cf\u4f1a\u4e22\u5931\u6240\u6709\u7684\u5386\u53f2\uff0c\u800c\u4fdd\u5b58\u540e\u518d\u52a0\u8f7d\uff08saveed-loaded\uff09\u7684\u955c\u50cf\u6ca1\u6709\u4e22\u5931\u5386\u53f2\u548c\u5c42(layer)\u3002\u8fd9\u610f\u5473\u7740\u4f7f\u7528\u5bfc\u51fa\u540e\u518d\u5bfc\u5165\u7684\u65b9\u5f0f\uff0c\u4f60\u5c06\u65e0\u6cd5\u56de\u6eda\u5230\u4e4b\u524d\u7684\u5c42(layer)\uff0c\u540c\u65f6\uff0c\u4f7f\u7528\u4fdd\u5b58\u540e\u518d\u52a0\u8f7d\u7684\u65b9\u5f0f\u6301\u4e45\u5316\u6574\u4e2a\u955c\u50cf\uff0c\u5c31\u53ef\u4ee5\u505a\u5230\u5c42\u56de\u6eda\uff08\u53ef\u4ee5\u6267\u884c<code>docker tag &lt;LAYER ID&gt; &lt;IMAGE NAME&gt;<\/code>\u6765\u56de\u6eda\u4e4b\u524d\u7684\u5c42\uff09\u3002<\/p>\n<pre><code class=\"hljs groovy\">    vagrant<span class=\"hljs-annotation\">@ubuntu<\/span>-<span class=\"hljs-number\">13<\/span>:~$ sudo docker images --tree\n    \u251c\u2500f502877df6a1 Virtual <span class=\"hljs-string\">Size:<\/span> <span class=\"hljs-number\">2.489<\/span> MB <span class=\"hljs-string\">Tags:<\/span> busybox-<span class=\"hljs-number\">1<\/span>-<span class=\"hljs-string\">export:<\/span>latest\n    \u2514\u2500<span class=\"hljs-number\">511136<\/span>ea3c5a Virtual <span class=\"hljs-string\">Size:<\/span> <span class=\"hljs-number\">0<\/span> B\n      \u2514\u2500bf747efa0e2f Virtual <span class=\"hljs-string\">Size:<\/span> <span class=\"hljs-number\">0<\/span> B\n        \u2514\u2500<span class=\"hljs-number\">48e5<\/span>f45168b9 Virtual <span class=\"hljs-string\">Size:<\/span> <span class=\"hljs-number\">2.489<\/span> MB\n          \u2514\u2500<span class=\"hljs-number\">769<\/span>b9341d937 Virtual <span class=\"hljs-string\">Size:<\/span> <span class=\"hljs-number\">2.489<\/span> MB\n            \u2514\u2500<span class=\"hljs-number\">227516<\/span>d93162 Virtual <span class=\"hljs-string\">Size:<\/span> <span class=\"hljs-number\">2.489<\/span> MB <span class=\"hljs-string\">Tags:<\/span> busybox-<span class=\"hljs-number\">1<\/span>:latest\n<\/code><\/pre>\n<p>\u795d\u597d\uff0c<br \/>\nThomas<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e2d\u6587\u5e16\u5b50\u5730\u5740\uff1ahttp:\/\/my.oschina.net\/zjzhai\/blog\/225112 stackov <a href='http:\/\/prayerlaputa.com\/?p=174' class='excerpt-more'>[&#8230;]<\/a><\/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},"categories":[7,14,21,25],"tags":[46,53,57],"_links":{"self":[{"href":"http:\/\/prayerlaputa.com\/index.php?rest_route=\/wp\/v2\/posts\/174"}],"collection":[{"href":"http:\/\/prayerlaputa.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/prayerlaputa.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/prayerlaputa.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/prayerlaputa.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=174"}],"version-history":[{"count":0,"href":"http:\/\/prayerlaputa.com\/index.php?rest_route=\/wp\/v2\/posts\/174\/revisions"}],"wp:attachment":[{"href":"http:\/\/prayerlaputa.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/prayerlaputa.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=174"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/prayerlaputa.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}