Merge pull request prometheus-community#480 from prometheus-community/superq/community

Update for Prometheus Community

Author: SuperQ

.circleci/config.yml

@@ -0,0 +1,57 @@
+---
+version: 2.1
+
+orbs:
+ prometheus: prometheus/prometheus@0.8.0
+
+executors:
+ # This must match .promu.yml.
+ golang:
+ docker:
+ - image: circleci/golang:1.15
+
+jobs:
+ test:
+ executor: golang
+
+ steps:
+ - prometheus/setup_environment
+ - run: make
+ - prometheus/store_artifact:
+ file: postgres_exporter
+
+workflows:
+ version: 2
+ postgres_exporter:
+ jobs:
+ - test:
+ filters:
+ tags:
+ only: /.*/
+ - prometheus/build:
+ name: build
+ filters:
+ tags:
+ only: /.*/
+ - prometheus/publish_master:
+ context: org-context
+ docker_hub_organization: prometheuscommunity
+ quay_io_organization: prometheuscommunity
+ requires:
+ - test
+ - build
+ filters:
+ branches:
+ only: master
+ - prometheus/publish_release:
+ context: org-context
+ docker_hub_organization: prometheuscommunity
+ quay_io_organization: prometheuscommunity
+ requires:
+ - test
+ - build
+ filters:
+ tags:
+ only: /^v.*/
+ branches:
+ ignore: /.*/

.dockerignore

@@ -19,3 +19,4 @@
 /.metrics.*.added
 /.metrics.*.removed
 /tools/src
+/vendor

.gitignore

@@ -0,0 +1,10 @@
+---
+issues:
+ exclude-rules:
+ - path: _test.go
+ linters:
+ - errcheck
+
+linters-settings:
+ errcheck:
+ exclude: scripts/errcheck_excludes.txt

.golangci.yml

@@ -0,0 +1,19 @@
+go:
+ # This must match .circle/config.yml.
+ version: 1.15
+repository:
+ path: github.com/prometheus-community/postgres_exporter
+build:
+ binaries:
+ - name: postgres_exporter
+ path: ./cmd/postgres_exporter
+ flags: -a -tags 'netgo static_build'
+ ldflags: |
+ -X github.com/prometheus/common/version.Version={{.Version}}
+ -X github.com/prometheus/common/version.Revision={{.Revision}}
+ -X github.com/prometheus/common/version.Branch={{.Branch}}
+ -X github.com/prometheus/common/version.BuildUser={{user}}@{{host}}
+ -X github.com/prometheus/common/version.BuildDate={{date "20060102-15:04:05"}}
+tarball:
+ files:
+ - LICENSE

.promu.yml

@@ -1,12 +1,12 @@
-FROM debian:10-slim
-RUN useradd -u 20001 postgres_exporter
-
-USER postgres_exporter
-
-ARG binary
-
-COPY $binary /postgres_exporter
-
-EXPOSE 9187
-
-ENTRYPOINT [ "/postgres_exporter" ]
+ARG ARCH="amd64"
+ARG OS="linux"
+FROM quay.io/prometheus/busybox-${OS}-${ARCH}:latest
+LABEL maintainer="The Prometheus Authors <prometheus-developers@googlegroups.com>"
+
+ARG ARCH="amd64"
+ARG OS="linux"
+COPY .build/${OS}-${ARCH}/postgres_exporter /bin/postgres_exporter
+
+EXPOSE  9187
+USER nobody
+ENTRYPOINT [ "/bin/postgres_exporter" ]

.travis.yml

@@ -0,0 +1,10 @@
+# Ensure that 'all' is the default target otherwise it will be the first target from Makefile.common.
+all::
+
+# Needs to be defined before including Makefile.common to auto-generate targets
+DOCKER_ARCHS ?= amd64 armv7 arm64 ppc64le
+DOCKER_REPO ?= prometheuscommunity
+
+include Makefile.common
+
+DOCKER_IMAGE_NAME ?= postgres-exporter

Dockerfile

@@ -69,12 +69,21 @@ else
 GO_BUILD_PLATFORM ?= $(GOHOSTOS)-$(GOHOSTARCH)
 endif
 
-PROMU_VERSION ?= 0.4.0
+GOTEST := $(GO) test
+GOTEST_DIR :=
+ifneq ($(CIRCLE_JOB),)
+ifneq ($(shell which gotestsum),)
+GOTEST_DIR := test-results
+GOTEST := gotestsum --junitfile $(GOTEST_DIR)/unit-tests.xml --
+endif
+endif
+
+PROMU_VERSION ?= 0.7.0
 PROMU_URL := https://github.com/prometheus/promu/releases/download/v$(PROMU_VERSION)/promu-$(PROMU_VERSION).$(GO_BUILD_PLATFORM).tar.gz
 
 GOLANGCI_LINT :=
 GOLANGCI_LINT_OPTS ?=
-GOLANGCI_LINT_VERSION ?= v1.16.0
+GOLANGCI_LINT_VERSION ?= v1.36.0
 # golangci-lint only supports linux, darwin and windows platforms on i386/amd64.
 # windows isn't included here because of the path separator being different.
 ifeq ($(GOHOSTOS),$(filter $(GOHOSTOS),linux darwin))
@@ -86,6 +95,8 @@ endif
 PREFIX ?= $(shell pwd)
 BIN_DIR ?= $(shell pwd)
 DOCKER_IMAGE_TAG ?= $(subst /,-,$(shell git rev-parse --abbrev-ref HEAD))
+DOCKERFILE_PATH ?= ./Dockerfile
+DOCKERBUILD_CONTEXT ?= ./
 DOCKER_REPO ?= prom
 
 DOCKER_ARCHS ?= amd64
@@ -139,15 +150,29 @@ else
 $(GO) get $(GOOPTS) -t ./...
 endif
 
+.PHONY: update-go-deps
+update-go-deps:
+@echo ">> updating Go dependencies"
+@for m in $$($(GO) list -mod=readonly -m -f '{{ if and (not .Indirect) (not .Main)}}{{.Path}}{{end}}' all); do \
+$(GO) get $$m; \
+done
+GO111MODULE=$(GO111MODULE) $(GO) mod tidy
+ifneq (,$(wildcard vendor))
+GO111MODULE=$(GO111MODULE) $(GO) mod vendor
+endif
+
 .PHONY: common-test-short
-common-test-short:
+common-test-short: $(GOTEST_DIR)
 @echo ">> running short tests"
-GO111MODULE=$(GO111MODULE) $(GO) test -short $(GOOPTS) $(pkgs)
+GO111MODULE=$(GO111MODULE) $(GOTEST) -short $(GOOPTS) $(pkgs)
 
 .PHONY: common-test
-common-test:
+common-test: $(GOTEST_DIR)
 @echo ">> running all tests"
-GO111MODULE=$(GO111MODULE) $(GO) test $(test-flags) $(GOOPTS) $(pkgs)
+GO111MODULE=$(GO111MODULE) $(GOTEST) $(test-flags) $(GOOPTS) $(pkgs)
+
+$(GOTEST_DIR):
+@mkdir -p $@
 
 .PHONY: common-format
 common-format:
@@ -199,7 +224,7 @@ endif
 .PHONY: common-build
 common-build: promu
 @echo ">> building binaries"
-GO111MODULE=$(GO111MODULE) $(PROMU) build --prefix $(PREFIX)
+GO111MODULE=$(GO111MODULE) $(PROMU) build --prefix $(PREFIX) $(PROMU_BINARIES)
 
 .PHONY: common-tarball
 common-tarball: promu
@@ -210,19 +235,22 @@ common-tarball: promu
 common-docker: $(BUILD_DOCKER_ARCHS)
 $(BUILD_DOCKER_ARCHS): common-docker-%:
 docker build -t "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)" \
+-f $(DOCKERFILE_PATH) \
 --build-arg ARCH="$*" \
 --build-arg OS="linux" \
-.
+$(DOCKERBUILD_CONTEXT)
 
 .PHONY: common-docker-publish $(PUBLISH_DOCKER_ARCHS)
 common-docker-publish: $(PUBLISH_DOCKER_ARCHS)
 $(PUBLISH_DOCKER_ARCHS): common-docker-publish-%:
 docker push "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)"
 
+DOCKER_MAJOR_VERSION_TAG = $(firstword $(subst ., ,$(shell cat VERSION)))
 .PHONY: common-docker-tag-latest $(TAG_DOCKER_ARCHS)
 common-docker-tag-latest: $(TAG_DOCKER_ARCHS)
 $(TAG_DOCKER_ARCHS): common-docker-tag-latest-%:
 docker tag "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)" "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:latest"
+docker tag "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)" "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:v$(DOCKER_MAJOR_VERSION_TAG)"
 
 .PHONY: common-docker-manifest
 common-docker-manifest:
@@ -247,7 +275,9 @@ proto:
 ifdef GOLANGCI_LINT
 $(GOLANGCI_LINT):
 mkdir -p $(FIRST_GOPATH)/bin
-curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $(FIRST_GOPATH)/bin $(GOLANGCI_LINT_VERSION)
+curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/$(GOLANGCI_LINT_VERSION)/install.sh \
+| sed -e '/install -d/d' \
+| sh -s -- -b $(FIRST_GOPATH)/bin $(GOLANGCI_LINT_VERSION)
 endif
 
 ifdef GOVENDOR

Makefile

@@ -3,7 +3,7 @@
 ### When using postgres-exporter with Amazon Web Services' RDS, the
  rolname "rdsadmin" and datname "rdsadmin" must be excluded.
 
-I had success running docker container 'wrouesnel/postgres_exporter:latest'
+I had success running docker container 'quay.io/prometheuscommunity/postgres-exporter:latest'
 with queries.yaml as the PG_EXPORTER_EXTEND_QUERY_PATH. errors
 mentioned in issue#335 appeared and I had to modify the
 'pg_stat_statements' query with the following:
@@ -24,7 +24,7 @@ Running postgres-exporter in a container like so:
  -e PG_EXPORTER_DISABLE_DEFAULT_METRICS=true \
  -e PG_EXPORTER_DISABLE_SETTINGS_METRICS=true \
  -e PG_EXPORTER_EXTEND_QUERY_PATH='/var/lib/postgresql/queries.yaml' \
- wrouesnel/postgres_exporter
+ quay.io/prometheuscommunity/postgres-exporter
  ```
 
 ### Expected changes to RDS: