ci: Implement testing with GH actions

.github/workflows/terratest.yaml

@@ -0,0 +1,39 @@
+name: Terratest
+on:
+  push:
+    branches:
+      - 'init'
+
+permissions: {}
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.22.x'
+
+      - name: Install dependencies
+        run: |
+          pwd
+          cd test
+          go get .
+
+      - name: Test with the Go CLI
+        run: |
+          pwd
+          cd test
+          go test -v
+
+      - name: Check for updated README (terraform-docs)
+        uses: terraform-docs/[email protected]
+        with:
+          working-dir: .
+          fail-on-diff: "true"
+          config-file: ".terraform-docs.yml"

README.md

@@ -24,7 +24,7 @@ module "cert_manager_rules" {
 
   prometheus_alerts_file_path = file("/path/to/alerts/cert-manager.yaml")
   folder_uid                  = grafana_folder.test.uid
-  datasource_uid              = grafana_data_source.victoria_metrics.uid
+  datasource_uid              = grafana_data_source.prometheus.uid
 }
 ```
 
@@ -48,7 +48,6 @@ TODO
 | Name | Version |
 |------|---------|
 | grafana | 3.7.0 |
-| time | n/a |
 
 ### Inputs
 

test/datasource.tf

@@ -0,0 +1,5 @@
+resource "grafana_data_source" "prometheus" {
+  name = "Prometheus"
+  type = "prometheus"
+  url  = "https://prometheus.demo.do.prometheus.io" #Shared Services - Observability
+}

test/docker-compose.yaml

@@ -0,0 +1,16 @@
+# version: '3.8'
+services:
+  grafana:
+    image: docker.io/grafana/grafana:11.1.4-ubuntu
+    # container_name: grafana
+    restart: unless-stopped
+    environment:
+      # increases the log level from info to debug
+      - GF_SECURITY_ADMIN_USER=admin
+      - GF_SECURITY_ADMIN_PASSWORD=Go4it
+    ports:
+      - '3000:3000'
+    volumes:
+      - 'grafana_storage:/var/lib/grafana'
+volumes:
+  grafana_storage: {}

test/go.mod

@@ -0,0 +1,97 @@
+module github.com/mkilchhofer/terraform-grafana-prometheus-alerts/test
+
+go 1.22.6
+
+require github.com/gruntwork-io/terratest v0.47.0
+
+require (
+	cloud.google.com/go v0.110.0 // indirect
+	cloud.google.com/go/compute v1.19.1 // indirect
+	cloud.google.com/go/compute/metadata v0.2.3 // indirect
+	cloud.google.com/go/iam v0.13.0 // indirect
+	cloud.google.com/go/storage v1.28.1 // indirect
+	github.com/agext/levenshtein v1.2.3 // indirect
+	github.com/apparentlymart/go-textseg/v13 v13.0.0 // indirect
+	github.com/aws/aws-sdk-go v1.44.122 // indirect
+	github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d // indirect
+	github.com/boombuler/barcode v1.0.1-0.20190219062509-6c824513bacc // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/emicklei/go-restful/v3 v3.9.0 // indirect
+	github.com/go-errors/errors v1.0.2-0.20180813162953-d98b870cc4e0 // indirect
+	github.com/go-logr/logr v1.2.4 // indirect
+	github.com/go-openapi/jsonpointer v0.19.6 // indirect
+	github.com/go-openapi/jsonreference v0.20.2 // indirect
+	github.com/go-openapi/swag v0.22.3 // indirect
+	github.com/go-sql-driver/mysql v1.4.1 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/google/gnostic-models v0.6.8 // indirect
+	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/google/gofuzz v1.2.0 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/googleapis/enterprise-certificate-proxy v0.2.3 // indirect
+	github.com/googleapis/gax-go/v2 v2.7.1 // indirect
+	github.com/gruntwork-io/go-commons v0.8.0 // indirect
+	github.com/hashicorp/errwrap v1.0.0 // indirect
+	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
+	github.com/hashicorp/go-getter v1.7.5 // indirect
+	github.com/hashicorp/go-multierror v1.1.0 // indirect
+	github.com/hashicorp/go-safetemp v1.0.0 // indirect
+	github.com/hashicorp/go-version v1.6.0 // indirect
+	github.com/hashicorp/hcl/v2 v2.9.1 // indirect
+	github.com/hashicorp/terraform-json v0.13.0 // indirect
+	github.com/imdario/mergo v0.3.11 // indirect
+	github.com/jinzhu/copier v0.0.0-20190924061706-b57f9002281a // indirect
+	github.com/jmespath/go-jmespath v0.4.0 // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/compress v1.15.11 // indirect
+	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/mattn/go-zglob v0.0.2-0.20190814121620-e3c945676326 // indirect
+	github.com/mitchellh/go-homedir v1.1.0 // indirect
+	github.com/mitchellh/go-testing-interface v1.14.1 // indirect
+	github.com/mitchellh/go-wordwrap v1.0.1 // indirect
+	github.com/moby/spdystream v0.2.0 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/pquerna/otp v1.2.0 // indirect
+	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/stretchr/testify v1.8.4 // indirect
+	github.com/tmccombs/hcl2json v0.3.3 // indirect
+	github.com/ulikunitz/xz v0.5.10 // indirect
+	github.com/urfave/cli v1.22.2 // indirect
+	github.com/zclconf/go-cty v1.9.1 // indirect
+	go.opencensus.io v0.24.0 // indirect
+	golang.org/x/crypto v0.21.0 // indirect
+	golang.org/x/net v0.23.0 // indirect
+	golang.org/x/oauth2 v0.8.0 // indirect
+	golang.org/x/sys v0.18.0 // indirect
+	golang.org/x/term v0.18.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+	golang.org/x/time v0.3.0 // indirect
+	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect
+	google.golang.org/api v0.114.0 // indirect
+	google.golang.org/appengine v1.6.7 // indirect
+	google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1 // indirect
+	google.golang.org/grpc v1.56.3 // indirect
+	google.golang.org/protobuf v1.33.0 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	gotest.tools/v3 v3.0.3 // indirect
+	k8s.io/api v0.28.4 // indirect
+	k8s.io/apimachinery v0.28.4 // indirect
+	k8s.io/client-go v0.28.4 // indirect
+	k8s.io/klog/v2 v2.100.1 // indirect
+	k8s.io/kube-openapi v0.0.0-20230717233707-2695361300d9 // indirect
+	k8s.io/utils v0.0.0-20230406110748-d93618cff8a2 // indirect
+	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
+	sigs.k8s.io/yaml v1.3.0 // indirect
+)