Use golang docker image to compile oracledb_exporter.

Author: Yannig

.gitignore

@@ -1 +1,2 @@
 dist/
+*.rpm

Dockerfile

@@ -1,17 +1,42 @@
-FROM ubuntu:17.10
+FROM golang:1.11 AS build
+
+RUN apt-get -qq update && apt-get install --no-install-recommends -qq libaio1 rpm
+COPY *.rpm /
+RUN rpm -Uvh --nodeps /oracle-instantclient12.2-devel-12.2.0.1.0-1.x86_64.rpm /oracle-instantclient12.2-basic-12.2.0.1.0-1.x86_64.rpm && rm /*.rpm
+RUN echo $LD_LIBRARY_PATH >> /etc/ld.so.conf.d/oracle.conf && ldconfig
+
+WORKDIR /go/src/oracledb_exporter
+COPY . .
+RUN go get -d -v
+
+ARG VERSION
+ENV VERSION ${VERSION:-0.1.0}
+
+ENV PKG_CONFIG_PATH /go/src/oracledb_exporter
+ENV GOOS            linux
+ENV LD_LIBRARY_PATH /usr/lib/oracle/12.2/client64/lib
+
+RUN go build -v -ldflags "-X main.Version=${VERSION} -s -w"
+
+FROM ubuntu:18.04
 MAINTAINER Yannig Perré <yannig.perre@gmail.com>
 
+ENV VERSION ${VERSION:-0.1.0}
+
+COPY oracle-instantclient12.2-basic-12.2.0.1.0-1.x86_64.rpm /
+
 RUN apt-get -qq update && \
-    apt-get install --no-install-recommends -qq libaio1 rpm wget -y && \
-    wget -q --no-check-certificate https://www.dropbox.com/s/f2ul3y0854y8oqw/oracle-instantclient12.2-basic-12.2.0.1.0-1.x86_64.rpm && \
-    rpm -Uvh --nodeps oracle*rpm && \
-    rm -f oracle*rpm
+    apt-get install --no-install-recommends -qq libaio1 rpm -y && rpm -Uvh --nodeps /oracle*rpm && \
+    rm -f /oracle*rpm
 
 ENV LD_LIBRARY_PATH /usr/lib/oracle/12.2/client64/lib
+RUN echo $LD_LIBRARY_PATH >> /etc/ld.so.conf.d/oracle.conf && ldconfig
 
-ADD ./dist/oracledb_exporter.*.linux-amd64/oracledb_exporter /oracledb_exporter
+COPY --from=build /go/src/oracledb_exporter/oracledb_exporter /oracledb_exporter
 ADD ./default-metrics.toml /default-metrics.toml
 
+ENV DATA_SOURCE_NAME system/oracle@oracle/xe
+
 RUN chmod 755 /oracledb_exporter
 
 EXPOSE 9161

Makefile

@@ -1,4 +1,4 @@
-VERSION := 0.1.0
+VERSION := 0.1.1
 
 LDFLAGS := -X main.Version=$(VERSION)
 GOFLAGS := -ldflags "$(LDFLAGS) -s -w"
@@ -19,17 +19,19 @@ darwin:
 	@cp default-metrics.toml ./dist/oracledb_exporter.$(VERSION).darwin-${GOARCH}
 	@(cd dist ; tar cfz oracledb_exporter.$(VERSION).darwin-${GOARCH}.tar.gz oracledb_exporter.$(VERSION).darwin-${GOARCH})
 
-build:  linux
+local-build:  linux
 
-deps:
+build: docker
+
+prereq: oracle-instantclient12.2-basic-12.2.0.1.0-1.x86_64.rpm oracle-instantclient12.2-devel-12.2.0.1.0-1.x86_64.rpm
 	@echo deps
 	@sudo apt-get -qq update
 	@sudo apt-get install --no-install-recommends -qq libaio1 rpm
-	@wget -q https://www.dropbox.com/s/f2ul3y0854y8oqw/oracle-instantclient12.2-basic-12.2.0.1.0-1.x86_64.rpm
-	@wget -q https://www.dropbox.com/s/qftd81ezcp8k9kd/oracle-instantclient12.2-devel-12.2.0.1.0-1.x86_64.rpm
 	@sudo rpm -Uvh --nodeps oracle*rpm
 	@echo /usr/lib/oracle/12.2/client64/lib | sudo tee /etc/ld.so.conf.d/oracle.conf
 	@sudo ldconfig
+
+deps:
 	@PKG_CONFIG_PATH=${PWD} go get
 
 test:
@@ -39,11 +41,17 @@ test:
 clean:
 	@rm -rf ./dist
 
-docker:
-	@docker build -t "yannig/oracledb_exporter:${VERSION}" .
-	@docker tag yannig/oracledb_exporter:${VERSION} yannig/oracledb_exporter:latest
+oracle-instantclient12.2-basic-12.2.0.1.0-1.x86_64.rpm:
+	wget -q https://www.dropbox.com/s/f2ul3y0854y8oqw/oracle-instantclient12.2-basic-12.2.0.1.0-1.x86_64.rpm -O oracle-instantclient12.2-basic-12.2.0.1.0-1.x86_64.rpm
+
+oracle-instantclient12.2-devel-12.2.0.1.0-1.x86_64.rpm:
+	wget -q https://www.dropbox.com/s/qftd81ezcp8k9kd/oracle-instantclient12.2-devel-12.2.0.1.0-1.x86_64.rpm -O oracle-instantclient12.2-devel-12.2.0.1.0-1.x86_64.rpm
+
+docker: oracle-instantclient12.2-basic-12.2.0.1.0-1.x86_64.rpm oracle-instantclient12.2-devel-12.2.0.1.0-1.x86_64.rpm
+	docker build --build-arg VERSION=$(VERSION) -t "yannig/oracledb_exporter:${VERSION}" .
+	docker tag yannig/oracledb_exporter:${VERSION} yannig/oracledb_exporter:latest
 
-travis: deps test build docker
+travis: deps test linux docker
 	@true
 
 .PHONY: build deps test clean docker travis