restore sample prep for marketing site

Author: jordanstephens

scripts/prebuild.sh

@@ -14,7 +14,13 @@ if [ -d "../defang" ]; then
 else
   DEFANG_PATH=$(readlink -f ./defang)
 fi
+if [ -d "../samples" ]; then
+  SAMPLES_PATH=$(readlink -f ../samples)
+else
+  SAMPLES_PATH=$(readlink -f ./samples)
+fi
 
 cd "$DEFANG_PATH/src/cmd/gendocs" && go run main.go "$CLI_DOCS_PATH"
 cd "$CWD"
 node scripts/prep-cli-docs.js
+node scripts/prep-samples.js "$SAMPLES_PATH/samples"

scripts/prep-samples.js

@@ -0,0 +1,93 @@
+const fs = require('fs');
+const path = require('path');
+const YAML = require('yaml');
+
+const samplesDir = process.argv[2];
+
+// categories are directories in the current directory (i.e. we're running in samples/ and we might have a samples/ruby/ directory)
+const directories = fs.readdirSync(samplesDir).filter(file => fs.statSync(path.join(samplesDir, file)).isDirectory());
+
+let jsonArray = [];
+
+directories.forEach((sample) => {
+    const directoryName = sample;
+    console.log(`@@ Adding ${sample}`);
+    let readme;
+    try {
+        readme = fs.readFileSync(path.join(samplesDir, sample, 'README.md'), 'utf8');
+    } catch (error) {
+        readme = `# ${sample}`;
+    }
+
+    // The readme should contain lines that start with the following:
+    // Title:
+    // Short Description:
+    // Tags:
+    // Languages:
+    //
+    // We want to extract the title, short description, tags, and languages from the readme. Tags and languages are comma separated lists.
+    const title = readme.match(/Title: (.*)/)[1];
+    const shortDescription = readme.match(/Short Description: (.*)/)[1];
+    const tags = readme.match(/Tags: (.*)/)[1].split(',').map(tag => tag.trim());
+    const languages = readme.match(/Languages: (.*)/)[1].split(',').map(language => language.trim());
+
+    let configs = [];
+    try {
+        composeFile = fs.readFileSync(path.join(samplesDir, sample, 'compose.yaml'), 'utf8');
+        compose = YAML.parse(composeFile);
+
+        for (var name in compose.services) {
+            service = compose.services[name]
+            if (Array.isArray(service.environment)) {
+                service.environment.forEach(env => {
+                    if (!env.includes("=")) {
+                        configs.push(env);
+                    }
+                });
+            } else {
+                for (var name in service.environment) {
+                    value = service.environment[name];
+                    if (value === null || value === undefined || value === "") {
+                        configs.push(name);
+                    }
+                }
+            }
+        }
+    } catch (error) {
+        // Ignore if the sample doesn't have a compose file
+        if (error.code != 'ENOENT') {
+            console.log(`failed to parese compose for configs for sample`, sample, error);
+        }
+    }
+
+    const sampleSummary = {
+        name: directoryName,
+        category: languages?.[0],
+        readme,
+        directoryName,
+        title,
+        shortDescription,
+        tags,
+        languages,
+    };
+    if (configs.length > 0) {
+        sampleSummary.configs = configs;
+    }
+    jsonArray.push(sampleSummary);
+
+    console.log(`@@ Added ${sample}`);
+});
+
+const stringified = JSON.stringify(jsonArray, null, 2);
+
+// fs.writeFileSync(path.join(__dirname, '..', 'samples.json'), stringified);
+
+// we're going to open up the ../docs/samples.md file and replce [] with the stringified JSON
+
+// const samplesMd = path.join(__dirname, '..', 'docs', 'samples.md');
+// let samplesMdContents = fs.readFileSync(samplesMd, 'utf8');
+// samplesMdContents += `<Samples samples={${stringified}} />`;
+// fs.writeFileSync(samplesMd, samplesMdContents);
+
+// save the json to the samples.json file in static
+fs.writeFileSync(path.join(__dirname, '..', 'static', 'samples-v2.json'), stringified);