added terraform and other CI/CD config

.devcontainer/Dockerfile

@@ -0,0 +1,26 @@
+FROM gcr.io/google.com/cloudsdktool/google-cloud-cli:latest
+RUN apt-get update && apt-get -y upgrade
+RUN apt-get install -y gnupg software-properties-common wget
+
+#install kubectl
+RUN apt-get install google-cloud-cli-app-engine-go kubectl google-cloud-cli
+
+#install go
+RUN curl -O https://dl.google.com/go/go1.23.1.linux-amd64.tar.gz
+RUN rm -rf /usr/local/go && tar -C /usr/local -xzf go1.23.1.linux-amd64.tar.gz
+ENV PATH=$PATH:/usr/local/go/bin
+RUN rm go1.23.1.linux-amd64.tar.gz
+RUN go install -v github.com/cweill/gotests/gotests@v1.6.0
+RUN go install -v github.com/go-delve/delve/cmd/dlv@latest
+
+#install terraform
+RUN wget -O- https://apt.releases.hashicorp.com/gpg | gpg --dearmor | tee /usr/share/keyrings/hashicorp-archive-keyring.gpg > /dev/null
+RUN gpg --no-default-keyring --keyring /usr/share/keyrings/hashicorp-archive-keyring.gpg --fingerprint
+RUN echo "deb [signed-by=/usr/share/keyrings/hashicorp-archive-keyring.gpg] https://apt.releases.hashicorp.com $(lsb_release -cs) main" | tee /etc/apt/sources.list.d/hashicorp.list
+RUN apt update
+RUN apt-get install -y terraform
+RUN touch ~/.bashrc
+RUN terraform -install-autocomplete
+
+#install docker
+RUN apt install -y docker.io

.devcontainer/devcontainer.json

@@ -0,0 +1,15 @@
+{
+    "name": "Cloud Infra Dev Container",
+    "dockerFile": "Dockerfile",
+    "forwardPorts": [3000],
+    "postCreateCommand": "",
+    "mounts": [ "source=/var/run/docker.sock,target=/var/run/docker.sock,type=bind" ],
+    "customizations" : { "vscode" : { "extensions": [
+                "hashicorp.terraform",
+                "ms-kubernetes-tools.vscode-kubernetes-tools",
+                "googlecloudtools.cloudcode",
+                "golang.go",
+                "42Crunch.vscode-openapi"
+            ]
+    }}
+}

.gitignore

@@ -0,0 +1,16 @@
+**/.terraform/*
+*.tfstate
+*.tfstate.*
+
+# ignore .DS_Store files for mac users
+.DS_Store
+
+# ignore executables
+*.exe
+
+# ignore consumer-cli specific config file
+.userlocation
+
+# ignore IDE specific temp files
+.vscode/
+.idea/

changed-directories.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+# Find changes between the latest commit and main
+CHANGED_FILES=$(git diff --name-only origin/main..HEAD)
+
+# Extract directories under 'services' that were changed
+CHANGED_DIRS=$(echo "$CHANGED_FILES" | grep '^services/' | cut -d'/' -f2 | sort | uniq)
+
+echo $CHANGED_DIRS

cloudbuild.yaml

@@ -0,0 +1,27 @@
+steps:
+  # Step 1: Clone the repo and identify changed directories
+  - name: "gcr.io/cloud-builders/git"
+    entrypoint: "bash"
+    args:
+      - "-c"
+      - |
+        echo "Identifying changed directories..."
+        CHANGED_DIRS=$(./changed-directories.sh)
+        echo "Changed services: $CHANGED_DIRS"
+
+  # Step 2: Build, Test, and Containerize for each changed directory
+  - name: "gcr.io/cloud-builders/docker"
+    entrypoint: "bash"
+    args:
+      - "-c"
+      - |
+        for dir in $CHANGED_DIRS; do
+          echo "Processing $dir"
+          make -C $dir build test containerize
+        done
+
+  # Step 3: Push container images
+  - name: "gcr.io/cloud-builders/docker"
+    args: ["push", "gcr.io/$PROJECT_ID/$IMAGE_NAME"]
+
+timeout: "1200s" # 20 minutes

infrastructure/.terraform.lock.hcl

@@ -2,20 +2,21 @@
 # Manual edits may be lost in future updates.
 
 provider "registry.terraform.io/hashicorp/google" {
-  version = "6.2.0"
+  version     = "6.12.0"
+  constraints = "6.12.0"
   hashes = [
-    "h1:7JIgzQKRW0AT6UliiYSjYUKxDr03baZpQmt5XVkrujs=",
+    "h1:rvZHMkoxkHrBYQXb/waoZiD2oo3FS1AF8HoWHlb6SN8=",
-    "zh:08a7dc0b53d2b63baab928e66086bf3e09107516af078ce011d2667456e64834",
+    "zh:14701aa307a832d99f567b8056a4c5e4ee5a403d984c98f024deee7507a3f29c",
-    "zh:1cf9a1373e516844b43fdcea36e73f5a68f19ad07afcf6093788eb235c710163",
+    "zh:344eca00ffb2643c2fa7f52f069b659d50bb4c9369df4cad96ea0fadb54282c8",
-    "zh:2d4a7cb26c3f0d036d51db219a09013d3d779e44d584e0fc631df0f2cd5e5550",
+    "zh:5fb57c0acfd4d30a39941900040d5518a909d8c975af0c4366a7bfd0d0bb09a8",
-    "zh:47e1fc68e455f99f1875deaed9aa5434a852e2a70a3cb5a5e9b5a2d8c25d7b74",
+    "zh:617a77048a5b9aa568e8bc706cc84307a237b2dd0e49709028b283f8bbe42475",
-    "zh:78531a8624ddcd45277e1b465e773ac92001ea0e200e9dc1147ebeb24d56359e",
+    "zh:677837a05fefe0342cf4d4bdc494e8fd4d62331cac947820e73df37e8f512688",
-    "zh:a76751723c034d44764df22925178f78d8b4852e3e6ac6c5d86f51666c9e666c",
+    "zh:7b79f6e02474eef4a1480fc6589afb63ed16b25bf019b6056f9838e2845e2ef8",
-    "zh:a83a59a7e667cfffb0d501a501e9b3d2d4fcc83deb07a318c9690d537cbdc4b6",
+    "zh:7d891fceb5b15e81240d829f42e1a36e4c812bfc1abe7856756e59101932205f",
-    "zh:b16473b7e59e01690d8234a0044c304505688f5518b205e9ed06fc63ddc82977",
+    "zh:97f1e0ac799faf382426e070e888fac36b0867597b460dc95b0e7f657de21ba9",
-    "zh:b957648ad0383e17149bf3a02def81ebc6bd55ca0cffb6ec1c368a1b4f33c4fd",
+    "zh:9855f2f2f5919ff6a6a2c982439c910d28c8978ad18cd8f549a5d1ba9b4dc4c3",
-    "zh:e2f3f4a27b41a20bdbb7a80fbcde1a4c36bbd1c83edb9256bc1724754f8d370f",
+    "zh:ac551367180eb396af2a50244e80243d333d600a76002e29935262d76a02290b",
-    "zh:ecfce738f85a81603aa51162d5237d6faaa2ffc0f0e52694f8b420ad761a8957",
+    "zh:c354f34e6579933d21a98ce7f31f4ef8aeaceb04cfaedaff6d3f3c0be56b2c79",
     "zh:f569b65999264a9416862bca5cd2a6177d94ccb0424f3a4ef424428912b9cb3c",
   ]
 }

infrastructure/README.md

@@ -1,6 +0,0 @@
-# Infrastructure
-
-This folder is reserved for defining the cloud infrastructure using terraform.
-
-> **NOTE**
-> Run `gcloud auth application-default login` before running terraform to gain access to the project.

infrastructure/infrastructure.tf

@@ -1,3 +0,0 @@
-provider "google" {
-  project = "cloud-infra-demo"
-}

infrastructure/main.tf

@@ -0,0 +1,57 @@
+provider "google" {
+  project = var.project_id
+  region  = var.region
+}
+
+terraform {
+  required_providers {
+    google = {
+      source  = "hashicorp/google"
+      version = "6.12.0"
+    }
+  }
+  required_version = ">= 1.3.0"
+}
+
+# Enable Google Cloud Build API
+resource "google_project_service" "cloudbuild" {
+  project = var.project_id
+  service = "cloudbuild.googleapis.com"
+}
+
+# Enable Container Registry API
+resource "google_project_service" "container_registry" {
+  project = var.project_id
+  service = "containerregistry.googleapis.com"
+}
+
+# IAM Role for Cloud Build service account
+resource "google_project_iam_member" "cloudbuild_permissions" {
+  for_each = toset([
+    "roles/cloudbuild.builds.builder",
+    "roles/storage.admin"
+  ])
+  project = var.project_id
+  role    = each.key
+  member  = "user:2121321@stud.hs-mannheim.de"
+}
+
+# Cloud Build Trigger
+resource "google_cloudbuild_trigger" "cmg_trigger" {
+  name        = "cmg-pipeline-trigger"
+  location     = var.region
+  service_account = "projects/test-442316/serviceAccounts/test-442316@appspot.gserviceaccount.com"
+
+  source_to_build {
+    uri       = "https://gitty.informatik.hs-mannheim.de/2121321/cmg-ws2024525-demo.git"
+    repo_type = "UNKNOWN"
+    ref       = "refs/heads/main"
+  }
+
+  git_file_source {
+    path      = "cloudbuild.yaml"
+    uri       = "https://gitty.informatik.hs-mannheim.de/2121321/cmg-ws2024525-demo.git"
+    repo_type = "UNKNOWN"
+    revision  = "refs/heads/main"
+  }
+}

infrastructure/outputs.tf

@@ -0,0 +1,4 @@
+output "cloudbuild_trigger_url" {
+  description = "Cloud Build Trigger URL"
+  value       = google_cloudbuild_trigger.cmg_trigger.id
+}

infrastructure/terraform.tfvars

@@ -0,0 +1,4 @@
+project_id   = "test-442316"
+region       = "europe-north1"
+git_owner = "2121321"
+git_repo  = "cmg-ws2024525-demo"

infrastructure/variables.tf

@@ -0,0 +1,23 @@
+variable "project_id" {
+  description = "test-442316"
+  type        = string
+  default = "test-442316"
+}
+
+variable "region" {
+  description = "Google Cloud region"
+  type        = string
+  default     = "europe-north1"
+}
+
+variable "git_owner" {
+  description = "Gitea repository owner"
+  type        = string
+  default = "2121321"
+}
+
+variable "git_repo" {
+  description = "GitHub or Gitea repository name"
+  type        = string
+  default = "cmg-ws2024525-demo"
+}

services/consumer-gateway/Dockerfile

@@ -0,0 +1,12 @@
+FROM golang:1.23
+
+WORKDIR /usr/src/consumer-gateway
+
+# pre-copy/cache go.mod for pre-downloading dependencies and only redownloading them in subsequent builds if they change
+COPY go.mod go.sum ./
+RUN go mod download && go mod verify
+
+COPY . .
+RUN go build -v -o /usr/local/bin ./...
+
+ CMD ["consumer-gateway"]