Upgrade to go 1.22 (eksctl-io#8125)

* Upgrade to go 1.22

* fix: Add missing test deps

* chore: Move tool installation to its own make target

* chore: Update `goformation` go version to `1.22` and run `make build`

Author: bryantbiggs

.dockerignore

@@ -1,14 +1,14 @@
-*
-!.git
-!.goreleaser*
-!.golangci*
-!.mockery.yaml
-!build/scripts
-!cmd
-!examples
-!go.*
-!integration
-!LICENSE
-!Makefile*
-!pkg
-!tools.go
+.editorconfig
+.dockerignore
+.github
+.gitignore
+*.md
+*.toml
+docs
+eksctl
+examples
+logo
+userdocs
+CNAME
+DCO
+LICENSE

.github/actions/setup-build/action.yaml

@@ -8,7 +8,7 @@ runs:
     - name: Setup Go
       uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 #v5.0.0
       with:
-        go-version: 1.21.x
+        go-version: 1.22.x
         cache: false
     - name: Cache go-build and mod
       uses: actions/cache@13aacd865c20de90d75de3b17ebe84f7a17d57d2 #v4.0.0
@@ -19,7 +19,3 @@ runs:
         key: go-${{ hashFiles('go.sum') }}
         restore-keys: |
           go-
-    - name: Setup deps
-      shell: bash
-      run: |
-        make install-build-deps

.github/workflows/build-all-distros-nightly.yaml

@@ -46,4 +46,4 @@ jobs:
           context: .
           push: true
           tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
+          labels: ${{ steps.meta.outputs.labels }}

.github/workflows/cache-dependencies.yaml

@@ -32,6 +32,7 @@ jobs:
       - name: Lint
         run: |
           PATH=$PATH:$(go env GOPATH)/bin make lint
+
   image:
     name: Build and check image
     runs-on: ubuntu-latest
@@ -40,8 +41,10 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 #v4.2.2
         with:
           fetch-depth: 0
-      - name: Setup build environment
-        uses: ./.github/actions/setup-build
-      - name: build
-        run: |
-          PATH=$PATH:$(go env GOPATH)/bin make -f Makefile.docker check-build-image-manifest-up-to-date
+      - name: Build image
+        id: push
+        uses: docker/build-push-action@b32b51a8eda65d6793cd0494a773d4f6bcef32dc #v6.11.0
+        with:
+          context: .
+          file: ./Dockerfile
+          push: false

.github/workflows/ecr-publish-build.yaml

@@ -1,6 +1,6 @@
 # options for analysis running
 run:
-    go: "1.21"
+    go: "1.22"
 
     # default concurrency is a available CPU number
     concurrency: 4

.github/workflows/ecr-publish.yaml

@@ -284,7 +284,7 @@ then head to the [main docs](https://eksctl.io/) for more information.
 
 This project is written in Go. To be able to contribute you will need:
 
-1. A working Go installation of Go >= 1.12. You can check the
+1. A working Go installation of Go >= 1.22. You can check the
 [official installation guide](https://golang.org/doc/install).
 
 2. Make sure that `$(go env GOPATH)/bin` is in your shell's `PATH`. You can do so by
@@ -344,19 +344,6 @@ To run the tests simply run the following after `install-build-deps`:
 make test
 ```
 
-If you prefer to use Docker, the same way it is used in CI, you can use the
-following command:
-
-```bash
-make -f Makefile.docker test
-```
-
-> NOTE: It is not the most convenient way of working on the project, as
-> binaries are built inside the container and cannot be tested manually,
-> also majority of end-users consume binaries and not Docker images.
-> It is recommended to use `make build` etc, unless there is an issue in CI
-> that need troubleshooting.
-
 #### Running the integration tests
 
 > NOTE: Some parts of the integration tests are not configurable and therefore