Move the solr-utils lambda from aws-scaling

.gitignore

@@ -1,4 +1,6 @@
 **/.terraform
+**/builds
 *.tfstate
 *.tfvars
-*.plan
+*.plan
+node_modules

.tool-versions

@@ -1,2 +1,2 @@
-terraform 1.3.7
-tflint 0.44.1
+terraform 1.6.2
+tflint 0.48.0

solrcloud/backup-lambda/index.js

@@ -0,0 +1,66 @@
+const { format } = require('date-and-time');
+const SolrCluster = require('./solr_cluster');
+
+const handler = async (event, _context) => {
+  switch (event.operation) {
+    case 'backup':
+      return await solrBackup(event);
+    case 'restore':
+      return await solrRestore(event);
+    case 'ready':
+      return await solrReady(event);
+    case 'set-log-level':
+      return await setLogLevel(event);
+  }
+};
+
+const setLogLevel = async (event) => {
+  const cluster = new SolrCluster(event.solr.baseUrl);
+  return await cluster.setLogLevel(event.level);
+}
+
+const solrBackup = async (event) => {
+  const cluster = new SolrCluster(event.solr.baseUrl);
+  if (event.collection) {
+    return await cluster.backup(event.collection);
+  } else if (event.collections) {
+    return await backupMultiple(cluster, event.collections);
+  } else {
+    const state = await cluster.status();
+    const collections = Object.keys(state.cluster.collections);
+    return await backupMultiple(cluster, collections);
+  }
+};
+
+const backupMultiple = async (cluster, collections) => {
+  const result = {};
+  const suffix = format(new Date(), '_YYYYMMDDHHmmss')
+  for (const collection of collections) {
+    result[collection] = await cluster.backup(collection, `${collection}${suffix}`);
+  }
+  return result;
+};
+
+const solrRestore = async (event) => {
+  const cluster = new SolrCluster(event.solr.baseUrl);
+  const collection = event.collection;
+  const name = event.name || collection;
+  const failIfExists = event.failIfExists === true;
+  const backupId = event.backupId;
+
+  return await cluster.restore(collection, name, { backupId, failIfExists });
+}
+
+const solrReady = async (event) => {
+  try {
+    const cluster = new SolrCluster(event.solr.baseUrl);
+    const desiredNodes = Number(event.solr.nodeCount);
+    const liveNodes = await cluster.liveNodeCount();
+    return liveNodes == desiredNodes;  
+  } catch(err) {
+    console.error(err.code, err.reason);
+    return false;
+  }
+};
+
+module.exports = { handler };

solrcloud/backup-lambda/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "scaling-lambda",
+  "version": "0.1.0",
+  "description": "Lambda with function to help scale NUL AWS services up and down",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "MBK",
+  "license": "Apache-2.0",
+  "dependencies": {
+    "axios": "^1.5.1",
+    "date-and-time": "^3.0.3"
+  }
+}