{"id":4150,"date":"2021-06-19T07:01:51","date_gmt":"2021-06-18T22:01:51","guid":{"rendered":"https:\/\/ecpplus.net\/weblog\/?p=4150"},"modified":"2021-06-22T10:54:35","modified_gmt":"2021-06-22T01:54:35","slug":"cloudflare-workers-with-rust","status":"publish","type":"post","link":"https:\/\/ecpplus.net\/weblog\/cloudflare-workers-with-rust\/","title":{"rendered":"Cloudflare Workers \u3092 Rust \u3067\u4f7f\u3046"},"content":{"rendered":"<p><a target=\"_blank\" href=\"https:\/\/workers.cloudflare.com\/\" rel=\"noreferrer noopener\">Cloudflare Workers<\/a> \u3092 Rust \u3067\u4f7f\u3063\u3066\u307f\u305f\u30e1\u30e2\u3067\u3059\u3002\u6700\u5c0f\u9650\u306e\u30b3\u30fc\u30c9\u3067\u3001\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u304b\u3089\u30c7\u30d7\u30ed\u30a4\u307e\u3067\u884c\u3063\u3066\u307f\u307e\u3057\u305f\ud83d\udc4d\ud83c\udffb<\/p>\n<h2>\u6e96\u5099<\/h2>\n<h3>wrangler, wasm-pack \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h3>\n<pre><code class=\"language-sh\">cargo install wrangler wasm-pack<\/code><\/pre>\n<h3>wrangler login<\/h3>\n<pre><code class=\"language-sh\">wrangler login<\/code><\/pre>\n<p>\u3053\u3053\u3067 Cloudflare \u306e\u753b\u9762\u304c\u958b\u3044\u3066\u8a8d\u8a3c\u3092\u8a31\u53ef\u3059\u308b\u753b\u9762\u304c\u51fa\u308b\u304c\u3001\u4e0a\u624b\u304f\u884c\u304b\u306a\u304b\u3063\u305f\u3067\u3059\u3002GitHub \u306e Issues \u306b\u3082\u3042\u304c\u3063\u3066\u3066\u3001\u624b\u52d5\u3067\u3084\u308b\u306e\u304c\u826f\u3055\u305d\u3046\u3067\u3059\u3002<\/p>\n<p>\u4ed5\u65b9\u306a\u3044\u306e\u3067\u3001<a target=\"_blank\" href=\"https:\/\/dash.cloudflare.com\/profile\/api-tokens\" rel=\"noreferrer noopener\">API Token \u3092\u624b\u52d5\u3067\u767a\u884c<\/a>\u3057\u3001\u624b\u52d5\u3067\u8a2d\u5b9a\u3057\u307e\u3057\u305f\u3002<\/p>\n<pre><code class=\"language-sh\">wrangler config<\/code><\/pre>\n<p>\u8a8d\u8a3c\u306b\u6210\u529f\u3059\u308b\u3068\u3001 <code>wrangler whoami<\/code> \u3067 <code>account_id<\/code> \u304c\u53d6\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001 Cloudflare \u306e\u30b3\u30f3\u30bd\u30fc\u30eb\u3067\u3001\u30c7\u30d7\u30ed\u30a4\u5148\u306e <code>zone_id<\/code> \u3092\u3042\u308f\u305b\u3066\u30e1\u30e2\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<h2>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7<\/h2>\n<h3>wrangler generate<\/h3>\n<pre><code class=\"language-sh\">wrangler generate first-project https:\/\/github.com\/cloudflare\/rustwasm-worker-template\/<\/code><\/pre>\n<p>\u3067\u3001 <code>.\/first-project<\/code> \u306b\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u30d9\u30fc\u30b9\u306b\u3057\u305f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u72b6\u614b\u3067 build &amp; publish \u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p><code>src\/lib.rs<\/code> \u3092\u8a66\u3057\u306b\u7de8\u96c6\u3057\u3066\u307f\u307e\u3059\u3002<br \/>\n<code>#[wasm_bindgen]<\/code> \u306f WebAssembly \u3068\u3057\u3066 Rust \u306e\u30b3\u30fc\u30c9\u3092 JS \u5074\u304b\u3089\u547c\u3073\u51fa\u305b\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u3059\u3002<\/p>\n<pre><code class=\"language-rust\">#[wasm_bindgen]\npub fn greet() -&gt; String {\n    &quot;\u3053\u3093\u306b\u3061\u306f!&quot;.to_string()\n}<\/code><\/pre>\n<p>\u3053\u308c\u304c\u3069\u306e\u3088\u3046\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b\u304b\u3068\u8a00\u3046\u3068\u3001 <code>worker\/worker.js<\/code> \u5185\u3067\u547c\u3070\u308c\u3066\u3044\u3066\u3001<\/p>\n<pre><code class=\"language-javascript\">const { greet } = wasm_bindgen;\nawait wasm_bindgen(wasm)\nconst greeting = greet()<\/code><\/pre>\n<p>\u3068\u3057\u3066\u3001 Rust \u306e\u95a2\u6570\u304c JS \u5185\u304b\u3089\u547c\u3073\u51fa\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-javasript\">addEventListener(&#039;fetch&#039;, ...<\/code><\/pre>\n<p>\u306f\u3001Cloudflare \u306e Worker \u306b\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u3042\u3063\u305f\u3068\u304d\u306b\u767a\u751f\u3059\u308b\u30a4\u30d9\u30f3\u30c8\u3067\u3001\u3053\u3053\u304c\u30a8\u30f3\u30c8\u30ea\u30fc\u30dd\u30a4\u30f3\u30c8\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>wrangler.toml \u3092\u7de8\u96c6<\/h3>\n<p><code>wrangler.toml<\/code> \u5185\u3067\u3001\u5148\u307b\u3069\u30e1\u30e2\u3057\u3066\u304a\u3044\u305f <code>account_id<\/code>, <code>zone_id<\/code> \u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30d3\u30eb\u30c9\u78ba\u8a8d<\/h3>\n<pre><code class=\"language-sh\">wasm-pack build<\/code><\/pre>\n<p>\u3067\u30d3\u30eb\u30c9\u3057\u307e\u3059\u3002<\/p>\n<p><code>Error: wasm32-unknown-unknown target not found in sysroot: ...<\/code> \u306e\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u6642\u306f\u3001 target \u3092\u8ffd\u52a0\u3059\u308c\u3070OK\u3067\u3059\u3002<\/p>\n<pre><code class=\"language-sh\">rustup target add wasm32-unknown-unknown<\/code><\/pre>\n<p>\u305d\u306e\u5f8c\u3001\u30d3\u30eb\u30c9\u304c\u901a\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-sh\">wasm-pack build<\/code><\/pre>\n<h3>\u52d5\u4f5c\u78ba\u8a8d<\/h3>\n<pre><code class=\"language-sh\">wrangler preview --watch<\/code><\/pre>\n<p>\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u4e0a\u306b<\/p>\n<pre><code class=\"language-sh\">Opened a link in your default browser: https:\/\/cloudflareworkers.com\/?wrangler_session_id=....<\/code><\/pre>\n<p>\u3068\u8868\u793a\u3055\u308c\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u30d6\u30e9\u30a6\u30b6\u304c\u958b\u304d\u307e\u3059\u3002<\/p>\n<p>\u3042\u3068\u306f\u3001\u30b3\u30fc\u30c9\u3092\u5909\u66f4\u3059\u308b\u3068\u81ea\u52d5\u7684\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u6700\u65b0\u30b3\u30fc\u30c9\u306e\u52d5\u4f5c\u304c\u53cd\u6620\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3>\u30c7\u30d7\u30ed\u30a4<\/h3>\n<p><code>wrangler.toml<\/code> \u3067\u3001routing \u3092\u8a18\u8ff0\u3067\u304d\u308b\u3002<\/p>\n<pre><code class=\"language-sh\">route = &quot;ecpplus.net\/wasm\/hello&quot;<\/code><\/pre>\n<p>\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u81ea\u52d5\u7684\u306b <a target=\"_blank\" href=\"https:\/\/ecpplus.net\/wasm\/hello\" rel=\"noreferrer noopener\">https:\/\/ecpplus.net\/wasm\/hello<\/a> \u306e URL \u306b worker \u3092\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u3066\u304f\u308c\u307e\u3059\u3002\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u306b\u5272\u308a\u632f\u308b\u4e8b\u3082\u3067\u304d\u307e\u3057\u305f\u304c\u3001DNS\u306b\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u5b58\u5728\u3057\u3066\u3044\u308b\u4e8b\u304c\u5fc5\u8981\u3067\u3057\u305f\u3002 <code>CNAME<\/code> \u3092\u8a2d\u5b9a\u3057\u3066\u304a\u304f\u3060\u3051\u3067\u3082\u52d5\u304d\u307e\u3057\u305f\u304c\u3001\u305d\u308c\u3060\u3068\u4ed6\u306e\u30d1\u30b9\u3082\u4e00\u7dd2\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3055\u308c\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u4ed6\u306b\u826f\u3044\u65b9\u6cd5\u304c\u3042\u308a\u305d\u3046\u306a\u6c17\u304c\u3057\u307e\u3059\u3002<\/p>\n<hr \/>\n<p>Cloudflare \u3067\u65e2\u306b\u7ba1\u7406\u3055\u308c\u3066\u3044\u308b\u30c9\u30e1\u30a4\u30f3\u3067\u3042\u308c\u3070\u3001\u307b\u307c\u30bc\u30ed\u30b3\u30f3\u30d5\u30a3\u30b0\u3067\u30b3\u30fc\u30c9\u3092\u66f8\u304d\u59cb\u3081\u3089\u308c\u308b\u306e\u3067\u3001\u7c21\u5358\u306a\u6a5f\u80fd\u306a\u3089\u30b5\u30af\u30c3\u3068\u30c7\u30d7\u30ed\u30a4\u307e\u3067\u51fa\u6765\u305d\u3046\u3067\u3059\u3002<\/p>\n<p>Cloudflare Worker \u306e\u6a5f\u80fd\u3068\u3057\u3066\u3001KVS, Cache, \u6c38\u7d9a\u5316Object \u306a\u3069\u304c\u3042\u308b\u306e\u3067\u3001 Worker \u3068\u3053\u308c\u3089\u306e\u6a5f\u80fd\u3060\u3051\u3067\u3082\u7c21\u5358\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3082\u51fa\u6765\u305d\u3046\u3067\u3059\u3002\u305f\u3060\u3001Cloudflare \u306f\u57fa\u672c CDN \u306a\u306e\u3067\u3001\u305d\u306e\u3088\u3046\u306a\u7528\u9014\u3067 Worker \u3092\u4f7f\u3046\u306e\u304c\u826f\u3055\u305d\u3046\u3067\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cloudflare Workers \u3092 Rust \u3067\u4f7f\u3046\u65b9\u6cd5\u3067\u3059\u3002\u6700\u5c0f\u9650\u306e\u30b3\u30fc\u30c9\u3067\u3001\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u304b\u3089\u30c7\u30d7\u30ed\u30a4\u307e\u3067\u884c\u3063\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"author":1,"featured_media":4202,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[64],"class_list":["post-4150","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-development","tag-rust"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/posts\/4150","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/comments?post=4150"}],"version-history":[{"count":14,"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/posts\/4150\/revisions"}],"predecessor-version":[{"id":4174,"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/posts\/4150\/revisions\/4174"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/media\/4202"}],"wp:attachment":[{"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/media?parent=4150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/categories?post=4150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/tags?post=4150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}