ci(NODE-4204): add support for latest node version in CI (#530)

Author: baileympearson

.evergreen/config.yml

@@ -19,34 +19,13 @@ functions:
  - command: git.get_project
  params:
  directory: src
- - command: shell.exec
+ - command: subprocess.exec
  params:
  working_dir: src
- script: |
- # Get the current unique version of this checkout
- if [ "${is_patch}" = "true" ]; then
- CURRENT_VERSION=$(git describe)-patch-${version_id}
- else
- CURRENT_VERSION=latest
- fi
- export PROJECT_DIRECTORY="$(pwd)"
-
- # get the latest version of node for given major version
- NODE_VERSION=$(curl -sL nodejs.org/download/release/latest-v${NODE_MAJOR_VERSION}.x/SHASUMS256.txt -o - | head -n 1 | tr -s ' ' | cut -d' ' -f2 | cut -d- -f2 | cut -dv -f2)
- echo "LATEST NODE ${NODE_MAJOR_VERSION}.x = $NODE_VERSION"
-
- cat <<EOT > expansion.yml
- CURRENT_VERSION: "$CURRENT_VERSION"
- PROJECT_DIRECTORY: "$PROJECT_DIRECTORY"
- NODE_VERSION: "$NODE_VERSION"
- PREPARE_SHELL: |
- set -o errexit
- set -o xtrace
- export PROJECT_DIRECTORY="$PROJECT_DIRECTORY"
- export NODE_VERSION="$NODE_VERSION"
- EOT
- # See what we've done
- cat expansion.yml
+ binary: bash
+ add_expansions_to_env: true
+ args:
+ - .evergreen/setup-environment.sh
  - command: expansions.update
  params:
  file: src/expansion.yml
@@ -122,6 +101,16 @@ tasks:
  - func: run tests
  vars:
  TEST_TARGET: node
+ - name: node-tests-latest
+ tags: ["node"]
+ commands:
+ - func: fetch source
+ vars:
+ NODE_MAJOR_VERSION: latest
+ - func: install dependencies
+ - func: run tests
+ vars:
+ TEST_TARGET: node
  - name: web-tests
  tags: ["web"]
  commands:

.evergreen/setup-environment.sh

@@ -0,0 +1,46 @@
+#! /usr/bin/env bash
+
+if [ -z "$NODE_MAJOR_VERSION" ]; then
+ echo "NODE_MAJOR_VERSION environment variable must be specified"
+ exit 1
+fi
+
+# Get the current unique version of this checkout
+if [ "${is_patch}" = "true" ]; then
+ CURRENT_VERSION=$(git describe)-patch-${version_id}
+else
+ CURRENT_VERSION=latest
+fi
+export PROJECT_DIRECTORY="$(pwd)"
+
+latest_version_for_node_major() {
+ local __NODE_MAJOR_VERSION=$1
+ local NODE_DOWNLOAD_URI="https://nodejs.org/download/release/latest-v${__NODE_MAJOR_VERSION}.x/SHASUMS256.txt"
+
+ if [ $__NODE_MAJOR_VERSION == 'latest' ]
+ then
+ NODE_DOWNLOAD_URI="https://nodejs.org/download/release/latest/SHASUMS256.txt"
+ fi
+
+ # check that the requested version does exist
+ curl --silent --fail $NODE_DOWNLOAD_URI &> /dev/null
+
+ echo $(curl --retry 8 --retry-delay 5 --max-time 50 --silent -o- $NODE_DOWNLOAD_URI | head -n 1 | awk '{print $2};' | cut -d- -f2)
+}
+
+NODE_VERSION=$(latest_version_for_node_major $NODE_MAJOR_VERSION)
+
+echo "LATEST NODE ${NODE_MAJOR_VERSION}.x = $NODE_VERSION"
+
+cat <<EOT > expansion.yml
+CURRENT_VERSION: "$CURRENT_VERSION"
+PROJECT_DIRECTORY: "$PROJECT_DIRECTORY"
+NODE_VERSION: "$NODE_VERSION"
+PREPARE_SHELL: |
+ set -o errexit
+ set -o xtrace
+ export PROJECT_DIRECTORY="$PROJECT_DIRECTORY"
+ export NODE_VERSION="$NODE_VERSION"
+EOT
+# See what we've done
+cat expansion.yml