Index: sysutils/node_exporter/Makefile
===================================================================
--- sysutils/node_exporter/Makefile
+++ sysutils/node_exporter/Makefile
@@ -4,24 +4,34 @@
 PORTNAME=	node_exporter
 PORTVERSION=	0.17.0
 DISTVERSIONPREFIX=v
+PORTREVISION=	1
 CATEGORIES=	sysutils
 
 MAINTAINER=	ports@ecadlabs.com
 COMMENT=	Prometheus exporter for machine metrics
 
 LICENSE=	APACHE20
+LICENSE_FILE=	${WRKSRC}/LICENSE
 
-USES=		go
-USE_GITHUB=	yes
+TEST_DEPENDS=	promtool:net-mgmt/prometheus2 \
+		bash:shells/bash \
+		gsed:textproc/gsed
 
+USES=		gmake go shebangfix
+USE_GITHUB=	yes
 GH_ACCOUNT=	prometheus
+USE_RC_SUBR=	node_exporter
 
+# The ttar script is used to run the tests.
+SHEBANG_FILES=	ttar
+
 GO_PKGNAME=	github.com/${GH_ACCOUNT}/${PORTNAME}
 GO_TARGET=	github.com/${GH_ACCOUNT}/${PORTNAME}
 
-PLIST_FILES=	bin/node_exporter
+# A "checkrules" target is being added in >0.17.0.
+TEST_TARGET=	test
 
-USE_RC_SUBR=	node_exporter
+TEST_ENV=	PROMTOOL=${LOCALBASE}/bin/promtool
 
 BUILD_USER?=	${USER}
 LD_FLAG_X_PREFIX=	-X ${GO_PKGNAME}/vendor/${GO_PKGNAME:H}/common/version
@@ -32,7 +42,38 @@
 		${LD_FLAG_X_PREFIX}.BuildUser=${BUILD_USER}
 GO_BUILDFLAGS=	-v -ldflags "${LD_FLAG_STRING}"
 
+OPTIONS_DEFINE=	DOCS EXAMPLES
+
 do-install:
 	${INSTALL_PROGRAM} ${WRKDIR}/bin/node_exporter ${STAGEDIR}${PREFIX}/bin
+
+post-install-DOCS-on:
+	${MKDIR} ${STAGEDIR}${DOCSDIR}
+	cd ${WRKSRC}/docs && \
+		${COPYTREE_SHARE} . ${STAGEDIR}${DOCSDIR}
+	${INSTALL_DATA} ${WRKSRC}/README.md ${STAGEDIR}${DOCSDIR}
+
+post-install-EXAMPLES-on:
+	${MKDIR} ${STAGEDIR}${EXAMPLESDIR}/text_collector_examples
+	cd ${WRKSRC} && ${COPYTREE_SHARE} ./text_collector_examples ${STAGEDIR}${EXAMPLESDIR}
+
+# TestFileDescriptorLeak is being skipped at the moment because procfs(5) is
+# not properly detected.
+pre-test:
+	# Prevent Go from attempting to use Git to redownload its dependencies.
+	# They are already present in ${WRKSRC}/vendor.
+	${RM} ${WRKSRC}/go.mod
+
+	${REINPLACE_CMD} -e 's|sed|${LOCALBASE}/bin/gsed|g' ${WRKSRC}/ttar
+
+	${RM} -r ${WRKDIR}/src
+	${LN} -sf ${WRKSRC}/vendor ${WRKDIR}/src
+	${MKDIR} ${WRKSRC}/vendor/${GO_PKGNAME}
+	${LN} -sf ${WRKSRC}/collector ${WRKSRC}/vendor/${GO_PKGNAME}/collector
+
+	# GOPATH has to have exactly one element in order to have the test
+	# suite detect the node_exporter binary. "-v" is added here for us to
+	# see skipped tests.
+	${REINPLACE_CMD} -E 's|(\$$\(GO\) test)|env GOPATH="${WRKDIR}" \1 -v|g' ${WRKSRC}/Makefile
 
 .include <bsd.port.mk>
Index: sysutils/node_exporter/pkg-descr
===================================================================
--- sysutils/node_exporter/pkg-descr
+++ sysutils/node_exporter/pkg-descr
@@ -1,4 +1,4 @@
-node_exporter is a prometheus exporter for machine metrics, written in Go 
-with pluggable metric collectors.
+Node exporter is a Prometheus exporter for hardware and OS metrics, written in
+Go with pluggable metric collectors.
 
 WWW: https://github.com/prometheus/node_exporter
Index: sysutils/node_exporter/pkg-plist
===================================================================
--- /dev/null
+++ sysutils/node_exporter/pkg-plist
@@ -0,0 +1,17 @@
+bin/node_exporter
+%%PORTDOCS%%%%DOCSDIR%%/README.md
+%%PORTDOCS%%%%DOCSDIR%%/TIME.md
+%%PORTDOCS%%%%DOCSDIR%%/V0_16_UPGRADE_GUIDE.md
+%%PORTDOCS%%%%DOCSDIR%%/example-16-compatibility-rules-new-to-old.yml
+%%PORTDOCS%%%%DOCSDIR%%/example-16-compatibility-rules.yml
+%%PORTDOCS%%%%DOCSDIR%%/example-17-compatibility-rules-new-to-old.yml
+%%PORTDOCS%%%%DOCSDIR%%/example-17-compatibility-rules.yml
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/text_collector_examples/README.md
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/text_collector_examples/apt.sh
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/text_collector_examples/deleted_libraries.py
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/text_collector_examples/directory-size.sh
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/text_collector_examples/ipmitool
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/text_collector_examples/md_info.sh
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/text_collector_examples/ntpd_metrics.py
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/text_collector_examples/smartmon.sh
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/text_collector_examples/storcli.py