Update Tilegarden runtime to node 12 using lambci/node-custom-lambda

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 #### Changed
 - Add filter to Neighborhood List
 - Remove filters for created_by, modified_by and fips_code for matching an AnalysisJob to existing Neighborhood records
+- Upgrade Tilegarden Lambda runtime to Node 12
 
 #### Added
 - S3 caching of Census data files

src/tilegarden/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:8.15-stretch-slim
+FROM node:12.19-stretch-slim
 
 ENV BASE_DIR /opt/pfb/tilegarden
 

src/tilegarden/package.json

@@ -1,6 +1,6 @@
 {
   "name": "tilegarden-pfb",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "AWS Lambda mapnik renderer",
   "contributors": [
     {
@@ -34,23 +34,23 @@
     "compile": "rsync -a src/*.js src/util src/config --exclude '*.mml' --exclude '*.mss' dist/"
   },
   "devDependencies": {
-    "bunyan": "^1.8.12",
-    "claudia": "^5.0.1",
+    "bunyan": "^1.8.14",
+    "claudia": "^5.12.0",
     "claudia-local-api": "https://github.com/azavea/claudia-local-api.git",
-    "eslint": "^4.19.1",
-    "eslint-config-airbnb-base": "^12.1.0",
-    "eslint-plugin-import": "^2.12.0",
-    "jest": "^23.2.0",
-    "nodemon": "^1.17.5",
-    "rewire": "^4.0.1"
+    "eslint": "^7.11.0",
+    "eslint-config-airbnb-base": "^14.2.0",
+    "eslint-plugin-import": "^2.22.1",
+    "jest": "^26.5.3",
+    "nodemon": "^2.0.5",
+    "rewire": "^5.0.0"
   },
   "dependencies": {
-    "claudia-api-builder": "^4.1.0",
-    "lambda-warmer": "^1.1.0",
-    "mapnik": "^3.7.2",
+    "claudia-api-builder": "^4.1.2",
+    "lambda-warmer": "^1.2.1",
+    "mapnik": "^4.5.2",
     "sql-escape-string": "^1.1.0",
-    "winston": "^3.2.1",
-    "xml2js": "^0.4.19"
+    "winston": "^3.3.3",
+    "xml2js": "^0.4.23"
   },
   "optionalDependencies": {
     "aws-sdk": "^2.290.0"

src/tilegarden/scripts/deploy

@@ -1,6 +1,8 @@
 #!/bin/bash
 
 yarn claudia update --config claudia/claudia.json --no-optional-dependencies \
+    --runtime "provided" \
+    --layers "arn:aws:lambda:${LAMBDA_REGION}:553035198032:layer:nodejs12:36" \
     ${LAMBDA_TIMEOUT:+--timeout ${LAMBDA_TIMEOUT}} \
     ${LAMBDA_MEMORY:+--memory ${LAMBDA_MEMORY}} \
     ${LAMBDA_SECURITY_GROUPS:+--security-group-ids ${LAMBDA_SECURITY_GROUPS}} \

src/tilegarden/scripts/deploy-new

@@ -1,6 +1,8 @@
 #!/bin/bash
 
 yarn claudia create --config claudia/claudia.json --no-optional-dependencies \
+    --runtime "provided" \
+    --layers "arn:aws:lambda:${LAMBDA_REGION}:553035198032:layer:nodejs12:36" \
     --api-module dist/api \
     --name ${LAMBDA_FUNCTION_NAME} \
     --region ${LAMBDA_REGION} \

src/tilegarden/src/api.js

@@ -43,7 +43,7 @@ const getPositionalFilters = (req) => {
 }
 
 // Parses out the configuration specifications
-const processConfig = req => ({
+const processConfig = (req) => ({
     s3bucket: req.queryStringParameters ? req.queryStringParameters.s3bucket : null,
     config: req.pathParameters.config,
 })
@@ -100,7 +100,7 @@ const writeToS3 = (tile, req) => {
             return tile
         })
     }
-    return new Promise(resolve => resolve(tile))
+    return new Promise((resolve) => resolve(tile))
 }
 
 // Get tile for some zxy bounds
@@ -114,8 +114,8 @@ api.get(
 
             logger.debug('api.get: creating imageTile')
             return imageTile(createMap(z, x, y, filters, configOptions))
-                .then(tile => writeToS3(tile, req))
-                .then(img => new APIBuilder.ApiResponse(img, IMAGE_HEADERS, 200))
+                .then((tile) => writeToS3(tile, req))
+                .then((img) => new APIBuilder.ApiResponse(img, IMAGE_HEADERS, 200))
                 .catch(handleError)
         } catch (e) {
             return handleError(e)
@@ -175,7 +175,7 @@ api.proxyRouter = (event, context, callback) => {
         } else {
             origProxyRouter(event, context, callback)
         }
-    }).catch(err => logger.error('Error: ', err))
+    }).catch((err) => logger.error('Error: ', err))
 }
 
 // not es6-ic, but necessary for claudia to find the index

src/tilegarden/src/tiler.js

@@ -103,9 +103,9 @@ module.exports.createMap = (z, x, y, filters, configOptions) => {
     return fetchMapFile(configOptions)
         .then(fillVars)
         .then(parseXml)
-        .then(xmlJsObj => addParamFilters(xmlJsObj, filters))
+        .then((xmlJsObj) => addParamFilters(xmlJsObj, filters))
         .then(buildXml)
-        .then(xml => new Promise((resolve, reject) => {
+        .then((xml) => new Promise((resolve, reject) => {
             logger.debug('createMap: calling map.FromString')
             map.fromString(xml, (err, result) => {
                 if (err) {
@@ -136,14 +136,14 @@ module.exports.imageTile = (map) => {
     // render map to image
     // return asynchronous rendering method as a promise
     return map
-        .then(m => new Promise((resolve, reject) => {
+        .then((m) => new Promise((resolve, reject) => {
             logger.debug('imageTile: rendering')
             m.render(img, {}, (err, result) => {
                 if (err) reject(err)
                 else resolve(result)
             })
         }))
-        .then(renderedTile => new Promise((resolve, reject) => {
+        .then((renderedTile) => new Promise((resolve, reject) => {
             logger.debug('imageTile: encoding')
             renderedTile.encode('png', {}, (err, result) => {
                 if (err) reject(err)

src/tilegarden/src/util/param-filter.js

@@ -6,12 +6,12 @@
 const sqlString = require('sql-escape-string')
 
 // Helper function to escape col but replace outer '-s with "-s to make a delimited identifier
-const processCol = col => `"${sqlString(col).slice(1, -1)}"`
+const processCol = (col) => `"${sqlString(col).slice(1, -1)}"`
 
 // Combine parameters and values into a series of SQL conditions, ANDed
 function composeFilterQuery(filters) {
     return Object.entries(filters)
-        .map(entry => `${processCol(entry[0])} = ${sqlString(entry[1])}`)
+        .map((entry) => `${processCol(entry[0])} = ${sqlString(entry[1])}`)
         .join(' AND ')
 }
 
@@ -20,7 +20,7 @@ function composeFilterQuery(filters) {
 function applyFilterQuery(xmlJson, filterQuery) {
     xmlJson.Map.Layer.forEach((layer) => {
         // Get the <Datasource><Parameter name="table"> element, which contains the default query
-        const queryObj = layer.Datasource[0].Parameter.filter(p => p.$.name === 'table')[0]
+        const queryObj = layer.Datasource[0].Parameter.filter((p) => p.$.name === 'table')[0]
 
         // Add the filters onto it
         const query = `SELECT * FROM ${queryObj._} WHERE ${filterQuery}`