From 856a2651b0a32eb4a9eb14395bbd315c6ef2b8d3 Mon Sep 17 00:00:00 2001
From: Rolf Neugebauer <rolf.neugebauer@docker.com>
Date: Sat, 15 Apr 2017 19:22:51 -0500
Subject: [PATCH 1/2] pkg: Add a Prometheus node_exporter package

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
---
 pkg/node_exporter/Dockerfile |  6 ++++++
 pkg/node_exporter/Makefile   | 29 +++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+)
 create mode 100644 pkg/node_exporter/Dockerfile
 create mode 100644 pkg/node_exporter/Makefile

diff --git a/pkg/node_exporter/Dockerfile b/pkg/node_exporter/Dockerfile
new file mode 100644
index 000000000..cbe9e0590
--- /dev/null
+++ b/pkg/node_exporter/Dockerfile
@@ -0,0 +1,6 @@
+FROM prom/node-exporter:v0.14.0
+
+ENTRYPOINT ["/bin/node_exporter", "-collector.procfs",  "/host/proc", \
+            "-collector.sysfs",  "/host/sys", \
+            "-collector.filesystem.ignored-mount-points", \
+            "^/(sys|proc|dev|host|etc)($|/)"]
diff --git a/pkg/node_exporter/Makefile b/pkg/node_exporter/Makefile
new file mode 100644
index 000000000..81d40ba97
--- /dev/null
+++ b/pkg/node_exporter/Makefile
@@ -0,0 +1,29 @@
+.PHONY: tag push clean container
+default: push
+
+IMAGE=node_exporter
+SHA_IMAGE=alpine:3.5@sha256:dfbd4a3a8ebca874ebd2474f044a0b33600d4523d03b0df76e5c5986cb02d7e8
+
+container: Dockerfile
+	docker build --no-cache -t $(IMAGE):build .
+
+hash: Dockerfile
+	find $^ -type f | xargs cat | docker run --rm -i $(SHA_IMAGE) sha1sum - | sed 's/ .*//' > hash
+
+push: hash container
+	docker pull linuxkit/$(IMAGE):$(shell cat hash) || \
+		(docker tag $(IMAGE):build linuxkit/$(IMAGE):$(shell cat hash) && \
+		 docker push linuxkit/$(IMAGE):$(shell cat hash))
+	docker rmi $(IMAGE):build
+	rm -f hash
+
+tag: hash container
+	docker pull linuxkit/$(IMAGE):$(shell cat hash) || \
+		docker tag $(IMAGE):build linuxkit/$(IMAGE):$(shell cat hash)
+	docker rmi $(IMAGE):build
+	rm -f hash
+
+clean:
+	rm -rf hash
+
+.DELETE_ON_ERROR:

From 0fb3544837d69013519598d935ac1cf870f43d49 Mon Sep 17 00:00:00 2001
From: Rolf Neugebauer <rolf.neugebauer@docker.com>
Date: Sat, 15 Apr 2017 19:23:20 -0500
Subject: [PATCH 2/2] examples: Add a minimal node_exporter example

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
---
 examples/node_exporter.yml | 40 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 examples/node_exporter.yml

diff --git a/examples/node_exporter.yml b/examples/node_exporter.yml
new file mode 100644
index 000000000..cb712a167
--- /dev/null
+++ b/examples/node_exporter.yml
@@ -0,0 +1,40 @@
+kernel:
+  image: "mobylinux/kernel:4.9.x"
+  cmdline: "console=ttyS0 page_poison=1"
+init:
+  - linuxkit/init:63eed9ca7a09d2ce4c0c5e7238ac005fa44f564b
+  - linuxkit/init:42fe8cb1508b3afed39eb89821906e3cc7a70551
+  - linuxkit/runc:b0fb122e10dbb7e4e45115177a61a3f8d68c19a9
+  - linuxkit/containerd:fe1b7f438a234cb6481c6538295115eac2a0596d
+services:
+  - name: rngd
+    image: "mobylinux/rngd:3dad6dd43270fa632ac031e99d1947f20b22eec9"
+    capabilities:
+     - CAP_SYS_ADMIN
+    oomScoreAdj: -800
+  - name: dhcpcd
+    image: "linuxkit/dhcpcd:48e249ebef6a521eed886b3bce032db69fbb4afa"
+    binds:
+     - /var:/var
+     - /tmp:/etc
+    capabilities:
+     - CAP_NET_ADMIN
+     - CAP_NET_BIND_SERVICE
+     - CAP_NET_RAW
+    net: host
+    oomScoreAdj: -800
+  - name: node_exporter
+    image: "linuxkit/node_exporter:0c7c1588e4cbce9cc946c1a84d3902b38b4b7ada"
+    capabilities:
+     - all
+    net: host
+    pid: host
+    binds:
+     - /proc:/host/proc
+     - /sys:/host/sys
+     - /:/rootfs
+trust:
+  image:
+    - mobylinux/kernel
+outputs:
+  - format: kernel+initrd