Renaming prometheus plugin to volume-count

examples/plugins/volume-count/Dockerfile

@@ -0,0 +1,10 @@
+# Start from weaveworks/scope, so that we have a docker client built in.
+FROM python:2
+MAINTAINER Weaveworks Inc <help@weave.works>
+LABEL works.weave.role=system
+
+RUN pip install docker-py
+
+# Add our plugin
+ADD ./volume-count.py /usr/bin/volume-count.py
+ENTRYPOINT ["/usr/bin/volume-count.py"]

examples/plugins/volume-count/Makefile

@@ -0,0 +1,20 @@
+.PHONY: run clean
+
+SUDO=$(shell docker info >/dev/null 2>&1 || echo "sudo -E")
+EXE=volume-count.py
+IMAGE=weavescope-volume-count-plugin
+UPTODATE=.$(EXE).uptodate
+
+run: $(UPTODATE)
+	$(SUDO) docker run --rm -it \
+		-v /var/run/docker.sock:/var/run/docker.sock \
+		-v /var/run/scope/plugins:/var/run/scope/plugins \
+		--name $(IMAGE) $(IMAGE)
+
+$(UPTODATE): $(EXE) Dockerfile
+	$(SUDO) docker build -t $(IMAGE) .
+	touch $@
+
+clean:
+	- rm -rf $(UPTODATE)
+	- $(SUDO) docker rmi $(IMAGE)