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# Makefile Helpers | ||
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By default, the projects are scaffolded with a `Makefile`. You can customize and update this file as please you. Here, you will find some helpers that can be useful. | ||
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## To debug with go-delve | ||
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The projects are built with Go and you have a lot of ways to do that. One of the options would be use [go-delve](https://github.com/go-delve/delve) for it: | ||
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```sh | ||
# Run with Delve for development purposes against the configured Kubernetes cluster in ~/.kube/config | ||
# Delve is a debugger for the Go programming language. More info: https://github.com/go-delve/delve | ||
run-delve: generate fmt vet manifests | ||
go build -gcflags "all=-trimpath=$(shell go env GOPATH)" -o bin/manager main.go | ||
dlv --listen=:2345 --headless=true --api-version=2 --accept-multiclient exec ./bin/manager | ||
``` | ||
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## To change the version of CRDs | ||
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The tool generate the CRDs by using [controller-tools](https://github.com/kubernetes-sigs/controller-tools), see in the manifests target: | ||
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```sh | ||
# Generate manifests e.g. CRD, RBAC etc. | ||
manifests: controller-gen | ||
$(CONTROLLER_GEN) $(CRD_OPTIONS) rbac:roleName=manager-role webhook paths="./..." output:crd:artifacts:config=config/crd/bases | ||
``` | ||
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In this way, update `CRD_OPTIONS` to define the version of the CRDs manifests which will be generated in the `config/crd/bases` directory: | ||
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```sh | ||
# Produce CRDs that work back to Kubernetes 1.11 (no version conversion) | ||
CRD_OPTIONS ?= "crd:trivialVersions=true" | ||
``` | ||
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| CRD_OPTIONS | API version | | ||
|--- |--- | | ||
| `"crd:trivialVersions=true"` | `apiextensions.k8s.io/v1beta1` | | ||
| `"crd:trivialVersions=true"` | `apiextensions.k8s.io/v1` | |
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