diff mbox series

[meta-oe] nodejs-oe-cache-native: initial checkin

Message ID 20220519102307.1040263-1-enrico.scholz@sigma-chemnitz.de
State New
Headers show
Series [meta-oe] nodejs-oe-cache-native: initial checkin | expand

Commit Message

Enrico Scholz May 19, 2022, 10:23 a.m. UTC 
This implements an 'npm cache add' like functionality but allows to
specify the key of the data and sets metadata which are required to
find the data.

It is used to cache information as done during 'npm install'.

Keyformat and metadata are nodejs version specific.

Signed-off-by: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
---
 .../nodejs/nodejs-oe-cache-16.14/oe-npm-cache | 77 +++++++++++++++++++
 .../nodejs/nodejs-oe-cache-native_16.14.bb    | 21 +++++
 2 files changed, 98 insertions(+)
 create mode 100755 meta-oe/recipes-devtools/nodejs/nodejs-oe-cache-16.14/oe-npm-cache
 create mode 100644 meta-oe/recipes-devtools/nodejs/nodejs-oe-cache-native_16.14.bb
diff mbox series

Patch

diff --git a/meta-oe/recipes-devtools/nodejs/nodejs-oe-cache-16.14/oe-npm-cache b/meta-oe/recipes-devtools/nodejs/nodejs-oe-cache-16.14/oe-npm-cache
new file mode 100755
index 000000000..f59620764
--- /dev/null
+++ b/meta-oe/recipes-devtools/nodejs/nodejs-oe-cache-16.14/oe-npm-cache
@@ -0,0 +1,77 @@ 
+#!/usr/bin/env node
+
+/// Usage: oe-npm-cache <cache-dir> <type> <key> <file-name>
+///    <type> ... meta - metainformation about package
+///               tgz  - tarball
+
+const process = require("node:process");
+
+module.paths.unshift("@@libdir@@/node_modules/npm/node_modules");
+
+const cacache = require('cacache')
+const fs = require('fs')
+
+// argv[0] is 'node', argv[1] is this script
+const cache_dir = process.argv[2]
+const type      = process.argv[3]
+const key       = process.argv[4]
+const file      = process.argv[5]
+
+const data = fs.readFileSync(file)
+
+// metadata content is highly nodejs dependent; when cache entries are not
+// found, place debug statements in 'make-fetch-happen/lib/cache/policy.js'
+// (CachePolicy::satisfies())
+const xlate = {
+    'meta': {
+	'key_prefix': 'make-fetch-happen:request-cache:',
+	'metadata': function() {
+	    return {
+		time: Date.now(),
+		url:  key,
+		reqHeaders: {
+		    'accept': 'application/vnd.npm.install-v1+json; q=1.0, application/json; q=0.8, */*',
+		},
+		resHeaders: {
+		    "content-type": "application/json",
+		    "status": 200,
+		},
+		options: {
+		    compress: true,
+		}
+	    };
+	},
+    },
+
+    'tgz': {
+	'key_prefix': 'make-fetch-happen:request-cache:',
+	'metadata': function() {
+	    return {
+		time: Date.now(),
+		url:  key,
+		reqHeaders: {
+		    'accept': '*/*',
+		},
+		resHeaders: {
+		    "content-type": "application/octet-stream",
+		    "status": 200,
+		},
+		options: {
+		    compress: true,
+		},
+	    };
+	},
+    },
+};
+
+const info = xlate[type];
+let opts = {}
+
+if (info.metadata) {
+    opts['metadata'] = info.metadata();
+}
+
+cacache.put(cache_dir, info.key_prefix + key, data, opts)
+    .then(integrity => {
+	console.log(`Saved content of ${key} (${file}).`);
+})
diff --git a/meta-oe/recipes-devtools/nodejs/nodejs-oe-cache-native_16.14.bb b/meta-oe/recipes-devtools/nodejs/nodejs-oe-cache-native_16.14.bb
new file mode 100644
index 000000000..a61dd5018
--- /dev/null
+++ b/meta-oe/recipes-devtools/nodejs/nodejs-oe-cache-native_16.14.bb
@@ -0,0 +1,21 @@ 
+DESCRIPTION = "OE helper for manipulating npm cache"
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
+
+SRC_URI = "\
+    file://oe-npm-cache \
+"
+
+inherit native
+
+B = "${WORKDIR}/build"
+
+do_configure() {
+    sed -e 's!@@libdir@@!${libdir}!g' < '${WORKDIR}/oe-npm-cache' > '${B}/oe-npm-cache'
+}
+
+do_install() {
+    install -D -p -m 0755 ${B}/oe-npm-cache ${D}${bindir}/oe-npm-cache
+}
+
+RDEPENDS:${PN} = "nodejs-native"