Refactor for v2

.github/workflows/ci.yaml

@@ -0,0 +1,41 @@
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  check:
+    name: Check
+    runs-on: ubuntu-latest
+    # Execute the checks inside the container instead the VM.
+    container: golangci/golangci-lint:v1.24.0-alpine
+    steps:
+      - uses: actions/checkout@v1
+      - run: ./hack/scripts/check.sh
+
+  unit-test:
+    name: Unit test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/setup-go@v2-beta
+        with:
+          go-version: 1.14
+      - run: make ci-unit-test
+
+  integration-test:
+    name: Integration test
+    runs-on: ubuntu-latest
+    needs: [check, unit-test]
+    strategy:
+      matrix:
+        kubernetes: [1.15.7, 1.16.4, 1.17.0, 1.18.0]
+    env:
+      KIND_VERSION: v0.7.0
+    steps:
+      - uses: actions/checkout@v1
+      - run: curl -Lo kind https://github.com/kubernetes-sigs/kind/releases/download/${KIND_VERSION}/kind-linux-amd64 && chmod +x kind && sudo mv kind /usr/local/bin/
+      - run: curl -Lo kubectl https://storage.googleapis.com/kubernetes-release/release/v${{ matrix.kubernetes }}/bin/linux/amd64/kubectl && chmod +x kubectl && sudo mv kubectl /usr/local/bin/
+      - run: KUBERNETES_VERSION=${{ matrix.kubernetes }} make ci-integration-test
+
+
+

.gitignore

@@ -1,20 +1,23 @@
-# Binaries for programs and plugins
+# Binaries for programs and plugins.
 *.exe
 *.dll
 *.so
 *.dylib
 
-# Test binary, build with `go test -c`
+# Test binary, build with `go test -c`.
 *.test
 
-# Output of the go coverage tool, specifically when used with LiteIDE
+# Output of the go coverage tool, specifically when used with LiteIDE.
 *.out
 
-# Project-local glide cache, RE: https://github.com/Masterminds/glide/issues/736
+# Project-local glide cache, RE: https://github.com/Masterminds/glide/issues/736.
 .glide/
 
-# binary
+# Binary.
 bin/
 
-# vendor
-vendor/
+# Vendor.
+vendor/
+
+# Test coverage.
+.test_coverage.txt

CHANGELOG.md

@@ -1,6 +1,32 @@
 ## [unreleased]
 
-- Support for Kubernetes 1.13.
+NOTE: Breaking release in controllers.
+
+- Refactor controller package.
+- Refactor metrics package.
+- Refactor log package.
+- Remove operator concept and remove CRD initialization in favor of using only
+  controllers and let the CRD initialization outside Kooper (e.g CRD yaml).
+- Default resync time to 3 minutes.
+- Default workers to 3.
+- Disable retry handling on controllers in case of error by default.
+- Remove tracing.
+- Minimum Go version v1.13 (error wrapping required).
+- Refactor Logger with structured logging.
+- Add Logrus helper wrapper.
+- Refactor to simplify the retrievers.
+- Refactor metrics recorder implementation including the prometheus backend.
+- Refactor internal controller queue into a decorator implementation approach.
+- Remove `Delete` method from `controller.Handler` and simplify to only `Handle` method
+- Add `DisableResync` flag on controller configuration to disable the resync of all resources.
+
+## [0.8.0] - 2019-12-11
+
+- Support for Kubernetes 1.15.
+
+## [0.7.0] - 2019-11-26
+
+- Support for Kubernetes 1.14.
 
 ## [0.6.0] - 2019-06-01
 
@@ -83,7 +109,9 @@ This release breaks controllers constructors to allow passing a metrics recorder
 - sequential controller implementation.
 - Dependencies managed by dep and vendored.
 
-[unreleased]: https://github.com/spotahome/kooper/compare/v0.6.0...HEAD
+[unreleased]: https://github.com/spotahome/kooper/compare/v0.8.0...HEAD
+[0.8.0]: https://github.com/spotahome/kooper/compare/v0.7.0...v0.8.0
+[0.7.0]: https://github.com/spotahome/kooper/compare/v0.6.0...v0.7.0
 [0.6.0]: https://github.com/spotahome/kooper/compare/v0.5.1...v0.6.0
 [0.5.1]: https://github.com/spotahome/kooper/compare/v0.5.0...v0.5.1
 [0.5.0]: https://github.com/spotahome/kooper/compare/v0.4.1...v0.5.0

Makefile

@@ -1,103 +1,60 @@
-
-# Name of this service/application
 SERVICE_NAME := kooper
-
-# Path of the go service inside docker
-DOCKER_GO_SERVICE_PATH := /src
-
-# Shell to use for running scripts
 SHELL := $(shell which bash)
-
-# Get docker path or an empty string
 DOCKER := $(shell command -v docker)
-
-# Get the main unix group for the user running make (to be used by docker-compose later)
+OSTYPE := $(shell uname)
 GID := $(shell id -g)
-
-# Get the unix user id for the user running make (to be used by docker-compose later)
 UID := $(shell id -u)
 
 # cmds
 UNIT_TEST_CMD := ./hack/scripts/unit-test.sh
 INTEGRATION_TEST_CMD := ./hack/scripts/integration-test.sh 
 CI_INTEGRATION_TEST_CMD := ./hack/scripts/integration-test-kind.sh
 MOCKS_CMD := ./hack/scripts/mockgen.sh
-DOCKER_RUN_CMD := docker run -v ${PWD}:$(DOCKER_GO_SERVICE_PATH) --rm -it $(SERVICE_NAME)
-RUN_EXAMPLE_POD_ECHO := go run ./examples/echo-pod-controller/cmd/* --development
-RUN_EXAMPLE_POD_ECHO_ONEFILE := go run ./examples/onefile-echo-pod-controller/main.go --development
-RUN_EXAMPLE_POD_TERM := go run ./examples/pod-terminator-operator/cmd/* --development
-DEPS_CMD := GO111MODULE=on go mod tidy && GO111MODULE=on go mod vendor
-K8S_VERSION := "1.15.6"
-SET_K8S_DEPS_CMD := GO111MODULE=on go mod edit \
-    -require=k8s.io/apiextensions-apiserver@kubernetes-${K8S_VERSION} \
-	-require=k8s.io/client-go@kubernetes-${K8S_VERSION} \
-	-require=k8s.io/apimachinery@kubernetes-${K8S_VERSION} \
-	-require=k8s.io/api@kubernetes-${K8S_VERSION} \
-	-require=k8s.io/kubernetes@v${K8S_VERSION} && \
-	$(DEPS_CMD)
+DOCKER_RUN_CMD := docker run --env ostype=$(OSTYPE) -v ${PWD}:/src --rm -it ${SERVICE_NAME}
+DEPS_CMD := go mod tidy
+CHECK_CMD := ./hack/scripts/check.sh
+
 
-# environment dirs
-DEV_DIR := docker/dev
+help: ## Show this help
+	@echo "Help"
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "    \033[36m%-20s\033[93m %s\n", $$1, $$2}'
 
-# The default action of this Makefile is to build the development docker image
 .PHONY: default
-default: build
+default: help
 
-# Test if the dependencies we need to run this Makefile are installed
-.PHONY: deps-development
-deps-development:
-ifndef DOCKER
-	@echo "Docker is not available. Please install docker"
-	@exit 1
-endif
 
-# Build the development docker image
 .PHONY: build
-build:
+build: ## Build the development docker image.
 	docker build -t $(SERVICE_NAME) --build-arg uid=$(UID) --build-arg  gid=$(GID) -f ./docker/dev/Dockerfile .
 
-# Dependency stuff.
-.PHONY: set-k8s-deps
-set-k8s-deps:
-	$(SET_K8S_DEPS_CMD)
-
 .PHONY: deps
-deps:
+deps: ## Updates the required dependencies.
 	$(DEPS_CMD)
 
-# Test stuff in dev
-.PHONY: unit-test
-unit-test: build
-	$(DOCKER_RUN_CMD) /bin/sh -c '$(UNIT_TEST_CMD)'
 .PHONY: integration-test
-integration-test: build
+integration-test: build ## Runs integration tests out of CI.
 	echo "[WARNING] Requires a kubernetes cluster configured (and running) on your kubeconfig!!"
 	$(INTEGRATION_TEST_CMD)
+
 .PHONY: test
-test: unit-test
+test: build ## Runs unit tests out of CI.
+	$(DOCKER_RUN_CMD) /bin/sh -c '$(UNIT_TEST_CMD)'
+
+.PHONY: check
+check: build ## Runs checks.
+	@$(DOCKER_RUN_CMD) /bin/sh -c '$(CHECK_CMD)'
 
-# Test stuff in ci
 .PHONY: ci-unit-test
-ci-unit-test: 
+ci-unit-test: ## Runs unit tests in CI.
 	$(UNIT_TEST_CMD)
+
 .PHONY: ci-integration-test
-ci-integration-test:
+ci-integration-test:  ## Runs integration tests in CI.
 	$(CI_INTEGRATION_TEST_CMD)
-.PHONY: ci
+
+.PHONY: ci  ## Runs all tests in CI.
 ci: ci-unit-test ci-integration-test
 
-# Mocks stuff in dev
 .PHONY: mocks
-mocks: build
+mocks: build  ## Generates mocks.
 	$(DOCKER_RUN_CMD) /bin/sh -c '$(MOCKS_CMD)'
-
-# Run examples.
-.PHONY: controller-example
-controller-example:
-	$(RUN_EXAMPLE_POD_ECHO)
-.PHONY: controller-example-onefile
-controller-example-onefile:
-	$(RUN_EXAMPLE_POD_ECHO_ONEFILE)
-.PHONY: operator-example
-operator-example:
-	$(RUN_EXAMPLE_POD_TERM)