GODRIVER-3334 Include LangChainGo in AI/ML integration pipeline

.evergreen/config.yml

@@ -205,6 +205,12 @@ tasks:
       - func: "setup remote atlas"
       - func: "execute tests"
 
+  - name: test-langchaingo-local
+    tags: [local]
+    commands:
+      - func: "fetch repo"
+      - func: "execute tests"
+
 buildvariants:
   - name: test-llama-index-kvstore-rhel
     # TODO - Maintainer has pushed back on this.
@@ -317,3 +323,12 @@ buildvariants:
       - name: test-haystack-fulltext-local
       # TODO: INTPYTHON-465
       # - name: test-haystack-fulltext-remote
+
+  - name: test-langchaingo-ubuntu
+    display_name: LangchainGo Ubuntu2204
+    expansions:
+      DIR: langchaingo-golang
+    run_on:
+      - ubuntu2204-small
+    tasks:
+      - name: test-langchaingo-local

.evergreen/fetch-repo.sh

@@ -2,6 +2,12 @@
 
 set -eu
 
+# Check if a branch parameter is provided
+BRANCH=""
+if [ $# -gt 0 ]; then
+  BRANCH=$1
+fi
+
 if [ ! -d "${DIR}" ]; then
   echo '${REPO_NAME} could not be found' 1>&2
   exit 1
@@ -15,11 +21,17 @@ source config.env
 set +a
 
 rm -rf ${REPO_NAME}
-git clone ${CLONE_URL}
+
+# Clone the repository, with an optional branch
+if [ -n "${BRANCH}" ]; then
+  git clone --branch "${BRANCH}" "${CLONE_URL}"
+else
+  git clone "${CLONE_URL}"
+fi
 
 # Apply patches to upstream repo if desired.
 if [ -d "patches" ]; then
   cd ${REPO_NAME}
   echo "Applying patches."
-  git apply  ../patches/*
+  git apply ../patches/*
 fi

langchaingo-golang/config.env

@@ -0,0 +1,3 @@
+REPO_NAME=langchaingo
+CLONE_URL="https://github.com/prestonvasquez/langchaingo.git"
+BRANCH="GODRIVER-3345"

langchaingo-golang/run.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+set -eu
+
+GO_VERSION="go1.22"
+
+cd vectorstores/mongovector
+
+export PATH="$PATH:/opt/golang/$GO_VERSION/bin"
+export GOROOT="/opt/golang/$GO_VERSION"
+
+go test -v -failfast -race -shuffle=on