Upgrade to go 1.18 (#446)

PRs like #445 are failing because golangci's new image is Go 1.18
`strings.Title` was deprecated in 1.18
So, we might as well upgrade to 1.18 and fix the `strings.Title` usage

Also, as a drive-by, I updated the Grafana versions in pipelines

Author: julienduchesne

.drone/drone.jsonnet

@@ -1,6 +1,6 @@
-local grafanaVersions = ['8.4.3', '8.3.5', '8.2.7', '8.1.8', '7.5.15'];
+local grafanaVersions = ['8.4.4', '8.3.7', '8.2.7', '8.1.8', '7.5.15'];
 local images = {
-  go: 'golang:1.17',
+  go: 'golang:1.18',
   lint: 'golangci/golangci-lint',
   grafana(version): 'grafana/grafana:' + version,
 };

.drone/drone.yml

@@ -36,7 +36,7 @@ steps:
   - '  echo "docs are out of sync, run \"go generate\""'
   - '  exit 1'
   - fi
-  image: golang:1.17
+  image: golang:1.18
   name: check for drift
 trigger:
   branch:
@@ -57,7 +57,7 @@ services: []
 steps:
 - commands:
   - go test ./...
-  image: golang:1.17
+  image: golang:1.18
   name: tests
 trigger:
   branch:
@@ -84,7 +84,7 @@ steps:
     GRAFANA_CLOUD_API_KEY:
       from_secret: grafana-cloud-api-key
     GRAFANA_CLOUD_ORG: terraformprovidergrafana
-  image: golang:1.17
+  image: golang:1.18
   name: tests
 trigger:
   branch:
@@ -114,7 +114,7 @@ steps:
     GRAFANA_SM_ACCESS_TOKEN:
       from_secret: grafana-sm-token
     GRAFANA_URL: https://terraformprovidergrafana.grafana.net/
-  image: golang:1.17
+  image: golang:1.18
   name: tests
 trigger:
   branch:
@@ -145,14 +145,14 @@ kind: secret
 name: grafana-sm-token
 ---
 kind: pipeline
-name: 'oss tests: 8.4.3'
+name: 'oss tests: 8.4.4'
 platform:
   arch: amd64
   os: linux
 services:
 - environment:
     GF_DATABASE_URL: sqlite3:///var/lib/grafana/grafana.db?cache=private&mode=rwc&_journal_mode=WAL
-  image: grafana/grafana:8.4.3
+  image: grafana/grafana:8.4.4
   name: grafana
 steps:
 - commands:
@@ -162,8 +162,8 @@ steps:
     GRAFANA_AUTH: admin:admin
     GRAFANA_ORG_ID: 1
     GRAFANA_URL: http://grafana:3000
-    GRAFANA_VERSION: 8.4.3
-  image: golang:1.17
+    GRAFANA_VERSION: 8.4.4
+  image: golang:1.18
   name: tests
 trigger:
   branch:
@@ -176,14 +176,14 @@ workspace:
   path: /drone/terraform-provider-grafana
 ---
 kind: pipeline
-name: 'oss tests: 8.3.5'
+name: 'oss tests: 8.3.7'
 platform:
   arch: amd64
   os: linux
 services:
 - environment:
     GF_DATABASE_URL: sqlite3:///var/lib/grafana/grafana.db?cache=private&mode=rwc&_journal_mode=WAL
-  image: grafana/grafana:8.3.5
+  image: grafana/grafana:8.3.7
   name: grafana
 steps:
 - commands:
@@ -193,8 +193,8 @@ steps:
     GRAFANA_AUTH: admin:admin
     GRAFANA_ORG_ID: 1
     GRAFANA_URL: http://grafana:3000
-    GRAFANA_VERSION: 8.3.5
-  image: golang:1.17
+    GRAFANA_VERSION: 8.3.7
+  image: golang:1.18
   name: tests
 trigger:
   branch:
@@ -225,7 +225,7 @@ steps:
     GRAFANA_ORG_ID: 1
     GRAFANA_URL: http://grafana:3000
     GRAFANA_VERSION: 8.2.7
-  image: golang:1.17
+  image: golang:1.18
   name: tests
 trigger:
   branch:
@@ -256,7 +256,7 @@ steps:
     GRAFANA_ORG_ID: 1
     GRAFANA_URL: http://grafana:3000
     GRAFANA_VERSION: 8.1.8
-  image: golang:1.17
+  image: golang:1.18
   name: tests
 trigger:
   branch:
@@ -287,7 +287,7 @@ steps:
     GRAFANA_ORG_ID: 1
     GRAFANA_URL: http://grafana:3000
     GRAFANA_VERSION: 7.5.15
-  image: golang:1.17
+  image: golang:1.18
   name: tests
 trigger:
   branch:
@@ -300,6 +300,6 @@ workspace:
   path: /drone/terraform-provider-grafana
 ---
 kind: signature
-hmac: 7b059c8a8d75e11b8d0dc6643b5590761dacc5c419b778766960d748d4629546
+hmac: fb944ed34626806208f6ad39935f7d01bf1de4e6ee696f779c2b8b8f4233189b
 
 ...

.github/workflows/release.yml

@@ -25,7 +25,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.17
+        go-version: 1.18
     - name: Import GPG key
       id: import_gpg
       uses: paultyng/[email protected]

GNUmakefile

@@ -1,4 +1,4 @@
-GRAFANA_VERSION ?= 8.4.3
+GRAFANA_VERSION ?= 8.4.4
 
 testacc:
 	TF_ACC=1 go test ./... -v $(TESTARGS) -timeout 120m

docker-compose.yml

@@ -7,7 +7,7 @@ networks:
 services:
 
   grafana-provider:
-    image: golang:1.17
+    image: golang:1.18
     environment:
       - GRAFANA_URL=http://grafana:3000
       - GRAFANA_AUTH=admin:admin

go.mod

@@ -1,6 +1,6 @@
 module github.com/grafana/terraform-provider-grafana
 
-go 1.17
+go 1.18
 
 require (
 	github.com/Masterminds/semver/v3 v3.1.1
@@ -12,6 +12,7 @@ require (
 	github.com/hashicorp/go-cty v1.4.1-0.20200414143053-d3edf31b6320
 	github.com/hashicorp/terraform-plugin-docs v0.7.0
 	github.com/hashicorp/terraform-plugin-sdk/v2 v2.12.0
+	golang.org/x/text v0.3.7
 )
 
 require (
@@ -66,7 +67,6 @@ require (
 	golang.org/x/crypto v0.0.0-20211215165025-cf75a172585e // indirect
 	golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd // indirect
 	golang.org/x/sys v0.0.0-20220114195835-da31bd327af9 // indirect
-	golang.org/x/text v0.3.7 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/genproto v0.0.0-20210917145530-b395a37504d4 // indirect
 	google.golang.org/grpc v1.45.0 // indirect