initial commit

.dockerignore

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+# More info: https://docs.docker.com/engine/reference/builder/#dockerignore-file
+# Ignore build and test binaries.
+bin/

.gitignore

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+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+bin/*
+Dockerfile.cross
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Go workspace file
+go.work
+
+# Kubernetes Generated files - skip generated files, except for vendored files
+!vendor/**/zz_generated.*
+
+# editor and IDE paraphernalia
+.idea
+.vscode
+*.swp
+*.swo
+*~

.golangci.yml

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+run:
+  timeout: 5m
+  allow-parallel-runners: true
+
+issues:
+  # don't skip warning about doc comments
+  # don't exclude the default set of lint
+  exclude-use-default: false
+  # restore some of the defaults
+  # (fill in the rest as needed)
+  exclude-rules:
+    - path: "api/*"
+      linters:
+        - lll
+    - path: "internal/*"
+      linters:
+        - dupl
+        - lll
+linters:
+  disable-all: true
+  enable:
+    - dupl
+    - errcheck
+    - exportloopref
+    - ginkgolinter
+    - goconst
+    - gocyclo
+    - gofmt
+    - goimports
+    - gosimple
+    - govet
+    - ineffassign
+    - lll
+    - misspell
+    - nakedret
+    - prealloc
+    - staticcheck
+    - typecheck
+    - unconvert
+    - unparam
+    - unused

Dockerfile

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+# Build the manager binary
+FROM golang:1.22 AS builder
+ARG TARGETOS
+ARG TARGETARCH
+
+WORKDIR /workspace
+# Copy the Go Modules manifests
+COPY go.mod go.mod
+COPY go.sum go.sum
+# cache deps before building and copying source so that we don't need to re-download as much
+# and so that source changes don't invalidate our downloaded layer
+RUN go mod download
+
+# Copy the go source
+COPY cmd/main.go cmd/main.go
+COPY api/ api/
+COPY internal/controller/ internal/controller/
+COPY chronosphere_client/ chronosphere_client/
+COPY models/ models/
+
+# Build
+# the GOARCH has not a default value to allow the binary be built according to the host where the command
+# was called. For example, if we call make docker-build in a local env which has the Apple Silicon M1 SO
+# the docker BUILDPLATFORM arg will be linux/arm64 when for Apple x86 it will be linux/amd64. Therefore,
+# by leaving it empty we can ensure that the container and binary shipped on it will have the same platform.
+RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build -a -o manager cmd/main.go
+
+# Use distroless as minimal base image to package the manager binary
+# Refer to https://github.com/GoogleContainerTools/distroless for more details
+FROM gcr.io/distroless/static:nonroot
+WORKDIR /
+COPY --from=builder /workspace/manager .
+USER 65532:65532
+
+ENTRYPOINT ["/manager"]

LICENSE

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+Copyright 2024 Chronosphere
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Makefile

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+# Image URL to use all building/pushing image targets
+IMG ?= controller:latest
+# ENVTEST_K8S_VERSION refers to the version of kubebuilder assets to be downloaded by envtest binary.
+ENVTEST_K8S_VERSION = 1.30.0
+
+# Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
+ifeq (,$(shell go env GOBIN))
+GOBIN=$(shell go env GOPATH)/bin
+else
+GOBIN=$(shell go env GOBIN)
+endif
+
+# CONTAINER_TOOL defines the container tool to be used for building images.
+# Be aware that the target commands are only tested with Docker which is
+# scaffolded by default. However, you might want to replace it to use other
+# tools. (i.e. podman)
+CONTAINER_TOOL ?= docker
+
+# Setting SHELL to bash allows bash commands to be executed by recipes.
+# Options are set to exit when a recipe line exits non-zero or a piped command fails.
+SHELL = /usr/bin/env bash -o pipefail
+.SHELLFLAGS = -ec
+
+.PHONY: all
+all: build
+
+##@ General
+
+# The help target prints out all targets with their descriptions organized
+# beneath their categories. The categories are represented by '##@' and the
+# target descriptions by '##'. The awk command is responsible for reading the
+# entire set of makefiles included in this invocation, looking for lines of the
+# file as xyz: ## something, and then pretty-format the target and help. Then,
+# if there's a line with ##@ something, that gets pretty-printed as a category.
+# More info on the usage of ANSI control characters for terminal formatting:
+# https://en.wikipedia.org/wiki/ANSI_escape_code#SGR_parameters
+# More info on the awk command:
+# http://linuxcommand.org/lc3_adv_awk.php
+
+.PHONY: help
+help: ## Display this help.
+	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m<target>\033[0m\n"} /^[a-zA-Z_0-9-]+:.*?##/ { printf "  \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
+
+##@ Development
+
+.PHONY: manifests
+manifests: controller-gen ## Generate WebhookConfiguration, ClusterRole and CustomResourceDefinition objects.
+	#  crd:allowDangerousTypes=true added to allow float64 in CRD
+	$(CONTROLLER_GEN) rbac:roleName=manager-role crd:allowDangerousTypes=true webhook paths="./..." output:crd:artifacts:config=config/crd/bases
+
+.PHONY: generate
+generate: controller-gen ## Generate code containing DeepCopy, DeepCopyInto, and DeepCopyObject method implementations.
+	$(CONTROLLER_GEN) object:headerFile="hack/boilerplate.go.txt" paths="./..."
+
+# replace any `(*in).DeepCopyInto(*out)` with `**out = **in`
+	sed -i '' 's/(\*in).DeepCopyInto(\*out)/**out = **in/g' api/v1alpha1/zz_generated.deepcopy.go
+	sed -i '' 's/in\.DeepCopyInto(out)/out = in/g' api/v1alpha1/zz_generated.deepcopy.go
+
+#swagger generate client \                                                                                                                                                                                                               ─╯
+ # --default-scheme=https \
+ # --name=chronosphere-client \
+ # --spec=swagger/swagger.json \
+ # --client-package=chronosphere-client
+.PHONY: swagger
+swagger: ## Generate the client for the Chronosphere API.
+#	replace any "format": "date-time", with string in swagger/swagger.json
+	sed -i '' 's/"format": "date-time"/"type": "string"/g' swagger/swagger.json
+
+	swagger generate client \
+		--default-scheme=https \
+		--name=chronosphere-client \
+		--spec=swagger/swagger.json \
+		--client-package=chronosphere-client
+
+# swagger incorrectly thinks some things are required when they are not
+# need to sed all fiiles in the models directory to look for json bindings withiout omitempty
+	sed -i '' 's/`json:"\([^,]*\)"`/`json:"\1,omitempty"`/g' models/*.go
+
+# label_replace is deprecated & needs to be removed from the generated configv1_rollup_rule.go
+# LabelReplace RollupRuleLabelReplace `json:"label_replace,omitempty"`
+	sed -i '' 's/LabelReplace RollupRuleLabelReplace `json:"label_replace,omitempty"`//g' models/configv1_rollup_rule.go
+
+.PHONY: fmt
+fmt: ## Run go fmt against code.
+	go fmt ./...
+
+.PHONY: vet
+vet: ## Run go vet against code.
+	go vet ./...
+
+.PHONY: test
+test: manifests generate fmt vet envtest ## Run tests.
+	KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path)" go test $$(go list ./... | grep -v /e2e) -coverprofile cover.out
+
+# Utilize Kind or modify the e2e tests to load the image locally, enabling compatibility with other vendors.
+.PHONY: test-e2e  # Run the e2e tests against a Kind k8s instance that is spun up.
+test-e2e:
+	go test ./test/e2e/ -v -ginkgo.v
+
+.PHONY: lint
+lint: golangci-lint ## Run golangci-lint linter
+	$(GOLANGCI_LINT) run
+
+.PHONY: lint-fix
+lint-fix: golangci-lint ## Run golangci-lint linter and perform fixes
+	$(GOLANGCI_LINT) run --fix
+
+##@ Build
+
+.PHONY: build
+build: manifests generate fmt vet ## Build manager binary.
+	go build -o bin/manager cmd/main.go
+
+.PHONY: run
+run: manifests generate fmt vet ## Run a controller from your host.
+	go run ./cmd/main.go
+
+# If you wish to build the manager image targeting other platforms you can use the --platform flag.
+# (i.e. docker build --platform linux/arm64). However, you must enable docker buildKit for it.
+# More info: https://docs.docker.com/develop/develop-images/build_enhancements/
+.PHONY: docker-build
+docker-build: ## Build docker image with the manager.
+	$(CONTAINER_TOOL) build -t ${IMG} .
+
+.PHONY: docker-push
+docker-push: ## Push docker image with the manager.
+	$(CONTAINER_TOOL) push ${IMG}
+
+# PLATFORMS defines the target platforms for the manager image be built to provide support to multiple
+# architectures. (i.e. make docker-buildx IMG=myregistry/mypoperator:0.0.1). To use this option you need to:
+# - be able to use docker buildx. More info: https://docs.docker.com/build/buildx/
+# - have enabled BuildKit. More info: https://docs.docker.com/develop/develop-images/build_enhancements/
+# - be able to push the image to your registry (i.e. if you do not set a valid value via IMG=<myregistry/image:<tag>> then the export will fail)
+# To adequately provide solutions that are compatible with multiple platforms, you should consider using this option.
+PLATFORMS ?= linux/arm64,linux/amd64,linux/s390x,linux/ppc64le
+.PHONY: docker-buildx
+docker-buildx: ## Build and push docker image for the manager for cross-platform support
+	# copy existing Dockerfile and insert --platform=${BUILDPLATFORM} into Dockerfile.cross, and preserve the original Dockerfile
+	sed -e '1 s/\(^FROM\)/FROM --platform=\$$\{BUILDPLATFORM\}/; t' -e ' 1,// s//FROM --platform=\$$\{BUILDPLATFORM\}/' Dockerfile > Dockerfile.cross
+	- $(CONTAINER_TOOL) buildx create --name chronosphere-operator-builder
+	$(CONTAINER_TOOL) buildx use chronosphere-operator-builder
+	- $(CONTAINER_TOOL) buildx build --push --platform=$(PLATFORMS) --tag ${IMG} -f Dockerfile.cross .
+	- $(CONTAINER_TOOL) buildx rm chronosphere-operator-builder
+	rm Dockerfile.cross
+
+.PHONY: build-installer
+build-installer: manifests generate kustomize ## Generate a consolidated YAML with CRDs and deployment.
+	mkdir -p dist
+	cd config/manager && $(KUSTOMIZE) edit set image controller=${IMG}
+	$(KUSTOMIZE) build config/default > dist/install.yaml
+
+##@ Deployment
+
+ifndef ignore-not-found
+  ignore-not-found = false
+endif
+
+.PHONY: install
+install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config.
+	$(KUSTOMIZE) build config/crd | $(KUBECTL) apply -f -
+
+.PHONY: uninstall
+uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
+	$(KUSTOMIZE) build config/crd | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f -
+
+.PHONY: deploy
+deploy: manifests kustomize ## Deploy controller to the K8s cluster specified in ~/.kube/config.
+	cd config/manager && $(KUSTOMIZE) edit set image controller=${IMG}
+	$(KUSTOMIZE) build config/default | $(KUBECTL) apply -f -
+
+.PHONY: undeploy
+undeploy: kustomize ## Undeploy controller from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
+	$(KUSTOMIZE) build config/default | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f -
+
+##@ Dependencies
+
+## Location to install dependencies to
+LOCALBIN ?= $(shell pwd)/bin
+$(LOCALBIN):
+	mkdir -p $(LOCALBIN)
+
+## Tool Binaries
+KUBECTL ?= kubectl
+KUSTOMIZE ?= /opt/homebrew/bin/kustomize#$(LOCALBIN)/kustomize-$(KUSTOMIZE_VERSION)
+CONTROLLER_GEN ?= $(LOCALBIN)/controller-gen-$(CONTROLLER_TOOLS_VERSION)
+ENVTEST ?= $(LOCALBIN)/setup-envtest-$(ENVTEST_VERSION)
+GOLANGCI_LINT = $(LOCALBIN)/golangci-lint-$(GOLANGCI_LINT_VERSION)
+
+## Tool Versions
+KUSTOMIZE_VERSION ?= v5.4.1
+CONTROLLER_TOOLS_VERSION ?= v0.15.0
+ENVTEST_VERSION ?= release-0.18
+GOLANGCI_LINT_VERSION ?= v1.57.2
+
+.PHONY: kustomize
+kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary.
+$(KUSTOMIZE): $(LOCALBIN)
+	$(call go-install-tool,$(KUSTOMIZE),sigs.k8s.io/kustomize/kustomize/v5,$(KUSTOMIZE_VERSION))
+
+.PHONY: controller-gen
+controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary.
+$(CONTROLLER_GEN): $(LOCALBIN)
+	$(call go-install-tool,$(CONTROLLER_GEN),sigs.k8s.io/controller-tools/cmd/controller-gen,$(CONTROLLER_TOOLS_VERSION))
+
+.PHONY: envtest
+envtest: $(ENVTEST) ## Download setup-envtest locally if necessary.
+$(ENVTEST): $(LOCALBIN)
+	$(call go-install-tool,$(ENVTEST),sigs.k8s.io/controller-runtime/tools/setup-envtest,$(ENVTEST_VERSION))
+
+.PHONY: golangci-lint
+golangci-lint: $(GOLANGCI_LINT) ## Download golangci-lint locally if necessary.
+$(GOLANGCI_LINT): $(LOCALBIN)
+	$(call go-install-tool,$(GOLANGCI_LINT),github.com/golangci/golangci-lint/cmd/golangci-lint,${GOLANGCI_LINT_VERSION})
+
+# go-install-tool will 'go install' any package with custom target and name of binary, if it doesn't exist
+# $1 - target path with name of binary (ideally with version)
+# $2 - package url which can be installed
+# $3 - specific version of package
+define go-install-tool
+@[ -f $(1) ] || { \
+set -e; \
+package=$(2)@$(3) ;\
+echo "Downloading $${package}" ;\
+GOBIN=$(LOCALBIN) go install $${package} ;\
+mv "$$(echo "$(1)" | sed "s/-$(3)$$//")" $(1) ;\
+}
+endef