[ci][fluentd] add test.sh

mackerel-plugin-fluentd/rule-workers.txt

@@ -0,0 +1,11 @@
+// TODO: add -extended_metrics
+// default graphs
+fluentd.buffer_total_queued_size.worker0.stdout_output	>=0
+fluentd.buffer_total_queued_size.worker1.stdout_output	>=0
+fluentd.buffer_total_queued_size.worker2.stdout_output	>=0
+fluentd.retry_count.worker0.stdout_output	>=0
+fluentd.retry_count.worker1.stdout_output	>=0
+fluentd.retry_count.worker2.stdout_output	>=0
+fluentd.buffer_queue_length.worker0.stdout_output	>=0
+fluentd.buffer_queue_length.worker1.stdout_output	>=0
+fluentd.buffer_queue_length.worker2.stdout_output	>=0

mackerel-plugin-fluentd/test.sh

@@ -0,0 +1,38 @@
+#!/bin/sh
+
+prog=$(basename "$0")
+if ! [ -S /var/run/docker.sock ]
+then
+	echo "$prog: there are no running docker" >&2
+	exit 2
+fi
+
+cd "$(dirname "$0")" || exit
+PATH=$(pwd):$PATH
+plugin=$(basename "$(pwd)")
+if ! which "$plugin" >/dev/null
+then
+	echo "$prog: $plugin is not installed" >&2
+	exit 2
+fi
+
+image=fluent/fluentd:v1.13-1
+port0=24230
+port1=24231
+port2=24232
+rule="rule-workers.txt"
+
+docker run -d \
+	--name "test-$plugin" \
+	-p "$port0:$port0" \
+	-p "$port1:$port1" \
+	-p "$port2:$port2" \
+	-v "$(pwd)/testdata:/fluentd/etc:ro" "$image" -c /fluentd/etc/fluentd-workers.conf
+trap 'docker stop test-$plugin; docker rm test-$plugin; exit' 1 2 3 15
+sleep 10
+
+$plugin -port "$port0" -workers 3 | graphite-metric-test -f "$rule"
+status=$?
+docker stop "test-$plugin"
+docker rm "test-$plugin"
+exit $status

mackerel-plugin-fluentd/testdata/fluentd-workers.conf

@@ -0,0 +1,20 @@
+<system>
+  workers 3
+</system>
+
+<source>
+  @type forward
+  @id forward_input
+  tag test.data
+</source>
+
+<match test.**>
+  @type stdout
+  @id stdout_output
+</match>
+
+<source>
+  @type monitor_agent
+  bind 0.0.0.0
+  port 24230
+</source>