From 2d0d72b97d9d92e626929765273dbbfd79806503 Mon Sep 17 00:00:00 2001
From: Matthias Rampke <matthias@rampke.de>
Date: Sat, 26 Sep 2015 17:36:40 +0200
Subject: [PATCH] Add license headers to all code files.

---
 collector/bonding_linux.go         | 13 +++++++++++++
 collector/bonding_linux_test.go    | 13 +++++++++++++
 collector/collector.go             | 13 +++++++++++++
 collector/cpu_freebsd.go           | 13 +++++++++++++
 collector/devstat_freebsd.go       | 13 +++++++++++++
 collector/diskstats_linux.go       | 13 +++++++++++++
 collector/diskstats_linux_test.go  | 13 +++++++++++++
 collector/filefd_linux.go          | 13 +++++++++++++
 collector/filefd_linux_test.go     | 13 +++++++++++++
 collector/filesystem_common.go     | 13 +++++++++++++
 collector/filesystem_freebsd.go    | 13 +++++++++++++
 collector/filesystem_linux.go      | 13 +++++++++++++
 collector/ganglia/format.go        | 13 +++++++++++++
 collector/gmond.go                 | 13 +++++++++++++
 collector/helper.go                | 13 +++++++++++++
 collector/interrupts_linux.go      | 13 +++++++++++++
 collector/interrupts_linux_test.go | 13 +++++++++++++
 collector/ipvs.go                  | 13 +++++++++++++
 collector/ipvs_test.go             | 13 +++++++++++++
 collector/lastlogin_linux.go       | 13 +++++++++++++
 collector/loadavg.go               | 13 +++++++++++++
 collector/loadavg_linux.go         | 13 +++++++++++++
 collector/loadavg_linux_test.go    | 13 +++++++++++++
 collector/mdadm.go                 | 13 +++++++++++++
 collector/mdadm_test.go            | 13 +++++++++++++
 collector/megacli.go               | 13 +++++++++++++
 collector/megacli_test.go          | 13 +++++++++++++
 collector/meminfo_freebsd.go       | 13 +++++++++++++
 collector/meminfo_linux.go         | 13 +++++++++++++
 collector/meminfo_linux_test.go    | 13 +++++++++++++
 collector/netdev_freebsd.go        | 13 +++++++++++++
 collector/netdev_linux.go          | 13 +++++++++++++
 collector/netdev_linux_test.go     | 13 +++++++++++++
 collector/netstat_linux.go         | 13 +++++++++++++
 collector/netstat_linux_test.go    | 13 +++++++++++++
 collector/ntp.go                   | 13 +++++++++++++
 collector/procpath.go              | 13 +++++++++++++
 collector/runit.go                 | 13 +++++++++++++
 collector/sockstat_linux.go        | 13 +++++++++++++
 collector/sockstat_linux_test.go   | 13 +++++++++++++
 collector/stat_linux.go            | 13 +++++++++++++
 collector/tcpstat_linux.go         | 13 +++++++++++++
 collector/tcpstat_linux_test.go    | 13 +++++++++++++
 collector/textfile.go              | 13 +++++++++++++
 collector/textfile_test.go         | 13 +++++++++++++
 collector/time.go                  | 13 +++++++++++++
 collector/uname_linux.go           | 13 +++++++++++++
 node_exporter.go                   | 13 +++++++++++++
 48 files changed, 624 insertions(+)

diff --git a/collector/bonding_linux.go b/collector/bonding_linux.go
index 05cc9afc..8720d89a 100644
--- a/collector/bonding_linux.go
+++ b/collector/bonding_linux.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nobonding
 
 package collector
diff --git a/collector/bonding_linux_test.go b/collector/bonding_linux_test.go
index 79b14db7..de3d3230 100644
--- a/collector/bonding_linux_test.go
+++ b/collector/bonding_linux_test.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package collector
 
 import (
diff --git a/collector/collector.go b/collector/collector.go
index 571098f7..da109c96 100644
--- a/collector/collector.go
+++ b/collector/collector.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // Exporter is a prometheus exporter using multiple Factories to collect and export system metrics.
 package collector
 
diff --git a/collector/cpu_freebsd.go b/collector/cpu_freebsd.go
index 632f0959..aa02c1a9 100644
--- a/collector/cpu_freebsd.go
+++ b/collector/cpu_freebsd.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nocpu
 
 package collector
diff --git a/collector/devstat_freebsd.go b/collector/devstat_freebsd.go
index 2b9300c0..3967df10 100644
--- a/collector/devstat_freebsd.go
+++ b/collector/devstat_freebsd.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nodevstat
 
 package collector
diff --git a/collector/diskstats_linux.go b/collector/diskstats_linux.go
index 53c9e364..3af2cb71 100644
--- a/collector/diskstats_linux.go
+++ b/collector/diskstats_linux.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nodiskstats
 
 package collector
diff --git a/collector/diskstats_linux_test.go b/collector/diskstats_linux_test.go
index a8202944..50f8eddf 100644
--- a/collector/diskstats_linux_test.go
+++ b/collector/diskstats_linux_test.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package collector
 
 import (
diff --git a/collector/filefd_linux.go b/collector/filefd_linux.go
index 2ba7e4fa..55c8d664 100644
--- a/collector/filefd_linux.go
+++ b/collector/filefd_linux.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nofilefd
 
 package collector
diff --git a/collector/filefd_linux_test.go b/collector/filefd_linux_test.go
index 31e4811d..4ab4412e 100644
--- a/collector/filefd_linux_test.go
+++ b/collector/filefd_linux_test.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package collector
 
 import (
diff --git a/collector/filesystem_common.go b/collector/filesystem_common.go
index ce98ed1e..5e264cca 100644
--- a/collector/filesystem_common.go
+++ b/collector/filesystem_common.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nofilesystem
 // +build linux freebsd
 
diff --git a/collector/filesystem_freebsd.go b/collector/filesystem_freebsd.go
index 7ffa5e89..5c3b208b 100644
--- a/collector/filesystem_freebsd.go
+++ b/collector/filesystem_freebsd.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nofilesystem
 
 package collector
diff --git a/collector/filesystem_linux.go b/collector/filesystem_linux.go
index 22e49981..bf13df3f 100644
--- a/collector/filesystem_linux.go
+++ b/collector/filesystem_linux.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nofilesystem
 
 package collector
diff --git a/collector/ganglia/format.go b/collector/ganglia/format.go
index 9a4fc418..92c7b790 100644
--- a/collector/ganglia/format.go
+++ b/collector/ganglia/format.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // Types for unmarshalling gmond's XML output.
 //
 // Not used elements in gmond's XML output are commented.
diff --git a/collector/gmond.go b/collector/gmond.go
index 67701268..be7c82b3 100644
--- a/collector/gmond.go
+++ b/collector/gmond.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nogmond
 
 package collector
diff --git a/collector/helper.go b/collector/helper.go
index 3e4fda44..9a986702 100644
--- a/collector/helper.go
+++ b/collector/helper.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package collector
 
 import (
diff --git a/collector/interrupts_linux.go b/collector/interrupts_linux.go
index 8d6c1488..9db4e985 100644
--- a/collector/interrupts_linux.go
+++ b/collector/interrupts_linux.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nointerrupts
 
 package collector
diff --git a/collector/interrupts_linux_test.go b/collector/interrupts_linux_test.go
index fb646aa0..2977ee52 100644
--- a/collector/interrupts_linux_test.go
+++ b/collector/interrupts_linux_test.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package collector
 
 import (
diff --git a/collector/ipvs.go b/collector/ipvs.go
index 969b56f6..c2ba7fcb 100644
--- a/collector/ipvs.go
+++ b/collector/ipvs.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !noipvs
 
 package collector
diff --git a/collector/ipvs_test.go b/collector/ipvs_test.go
index 4564fbf0..ed1bc6a3 100644
--- a/collector/ipvs_test.go
+++ b/collector/ipvs_test.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package collector
 
 import (
diff --git a/collector/lastlogin_linux.go b/collector/lastlogin_linux.go
index 1a0c39dd..dd38d88e 100644
--- a/collector/lastlogin_linux.go
+++ b/collector/lastlogin_linux.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nolastlogin
 
 package collector
diff --git a/collector/loadavg.go b/collector/loadavg.go
index 5ead9e90..f9a49fcc 100644
--- a/collector/loadavg.go
+++ b/collector/loadavg.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !noloadavg
 // +build !linux
 
diff --git a/collector/loadavg_linux.go b/collector/loadavg_linux.go
index 4d2e15e4..3f9a001c 100644
--- a/collector/loadavg_linux.go
+++ b/collector/loadavg_linux.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !noloadavg
 
 package collector
diff --git a/collector/loadavg_linux_test.go b/collector/loadavg_linux_test.go
index e83822a6..29bbf33b 100644
--- a/collector/loadavg_linux_test.go
+++ b/collector/loadavg_linux_test.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package collector
 
 import "testing"
diff --git a/collector/mdadm.go b/collector/mdadm.go
index ec851e8c..5b1c08e7 100644
--- a/collector/mdadm.go
+++ b/collector/mdadm.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nomdadm
 
 package collector
diff --git a/collector/mdadm_test.go b/collector/mdadm_test.go
index 06a94247..fa70b3f9 100644
--- a/collector/mdadm_test.go
+++ b/collector/mdadm_test.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package collector
 
 import (
diff --git a/collector/megacli.go b/collector/megacli.go
index 2d657fc1..6ceb78a1 100644
--- a/collector/megacli.go
+++ b/collector/megacli.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nomegacli
 
 package collector
diff --git a/collector/megacli_test.go b/collector/megacli_test.go
index 3bd2eea7..ea49c2d6 100644
--- a/collector/megacli_test.go
+++ b/collector/megacli_test.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nomegacli
 
 package collector
diff --git a/collector/meminfo_freebsd.go b/collector/meminfo_freebsd.go
index fca410cc..f6ea53d0 100644
--- a/collector/meminfo_freebsd.go
+++ b/collector/meminfo_freebsd.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nomeminfo
 
 package collector
diff --git a/collector/meminfo_linux.go b/collector/meminfo_linux.go
index 6185913f..66c2d626 100644
--- a/collector/meminfo_linux.go
+++ b/collector/meminfo_linux.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nomeminfo
 
 package collector
diff --git a/collector/meminfo_linux_test.go b/collector/meminfo_linux_test.go
index a1c2eca4..ccb116db 100644
--- a/collector/meminfo_linux_test.go
+++ b/collector/meminfo_linux_test.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package collector
 
 import (
diff --git a/collector/netdev_freebsd.go b/collector/netdev_freebsd.go
index d0d7be44..ede1ca3f 100644
--- a/collector/netdev_freebsd.go
+++ b/collector/netdev_freebsd.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nonetdev
 
 package collector
diff --git a/collector/netdev_linux.go b/collector/netdev_linux.go
index 998a5676..a68a0194 100644
--- a/collector/netdev_linux.go
+++ b/collector/netdev_linux.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nonetdev
 
 package collector
diff --git a/collector/netdev_linux_test.go b/collector/netdev_linux_test.go
index ef0b5186..04d3116f 100644
--- a/collector/netdev_linux_test.go
+++ b/collector/netdev_linux_test.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package collector
 
 import (
diff --git a/collector/netstat_linux.go b/collector/netstat_linux.go
index 61849544..bc1e4bd7 100644
--- a/collector/netstat_linux.go
+++ b/collector/netstat_linux.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nonetstat
 
 package collector
diff --git a/collector/netstat_linux_test.go b/collector/netstat_linux_test.go
index 8f4ce699..8a35882f 100644
--- a/collector/netstat_linux_test.go
+++ b/collector/netstat_linux_test.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package collector
 
 import (
diff --git a/collector/ntp.go b/collector/ntp.go
index 53b181fa..2266fe36 100644
--- a/collector/ntp.go
+++ b/collector/ntp.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nontp
 
 package collector
diff --git a/collector/procpath.go b/collector/procpath.go
index d9b6bd63..ed3d372e 100644
--- a/collector/procpath.go
+++ b/collector/procpath.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package collector
 
 import (
diff --git a/collector/runit.go b/collector/runit.go
index 4aad7443..b23bc4a6 100644
--- a/collector/runit.go
+++ b/collector/runit.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !norunit
 
 package collector
diff --git a/collector/sockstat_linux.go b/collector/sockstat_linux.go
index 01b5318a..bafa49ab 100644
--- a/collector/sockstat_linux.go
+++ b/collector/sockstat_linux.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nosockstat
 
 package collector
diff --git a/collector/sockstat_linux_test.go b/collector/sockstat_linux_test.go
index 888db960..6f4754b7 100644
--- a/collector/sockstat_linux_test.go
+++ b/collector/sockstat_linux_test.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package collector
 
 import (
diff --git a/collector/stat_linux.go b/collector/stat_linux.go
index 9eb83c6c..08829102 100644
--- a/collector/stat_linux.go
+++ b/collector/stat_linux.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nostat
 
 package collector
diff --git a/collector/tcpstat_linux.go b/collector/tcpstat_linux.go
index 8e4f15ef..ca425155 100644
--- a/collector/tcpstat_linux.go
+++ b/collector/tcpstat_linux.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !notcpstat
 
 package collector
diff --git a/collector/tcpstat_linux_test.go b/collector/tcpstat_linux_test.go
index c86222fa..4681a040 100644
--- a/collector/tcpstat_linux_test.go
+++ b/collector/tcpstat_linux_test.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package collector
 
 import (
diff --git a/collector/textfile.go b/collector/textfile.go
index 97bd9546..d065d0cb 100644
--- a/collector/textfile.go
+++ b/collector/textfile.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !notextfile
 
 package collector
diff --git a/collector/textfile_test.go b/collector/textfile_test.go
index 99fbe823..d2938b73 100644
--- a/collector/textfile_test.go
+++ b/collector/textfile_test.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package collector
 
 import (
diff --git a/collector/time.go b/collector/time.go
index 528ec241..b5090589 100644
--- a/collector/time.go
+++ b/collector/time.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !notime
 
 package collector
diff --git a/collector/uname_linux.go b/collector/uname_linux.go
index 768ac7a8..5d730606 100644
--- a/collector/uname_linux.go
+++ b/collector/uname_linux.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // +build !nouname
 
 package collector
diff --git a/node_exporter.go b/node_exporter.go
index 5e3d834b..0765642c 100644
--- a/node_exporter.go
+++ b/node_exporter.go
@@ -1,3 +1,16 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package main
 
 import (