Help needed: vendor files for Prometheus support

These are the vendor files needed for Prometheus support.
I have not been able to figure out how to do this properly with gopkg.
This commit is contained in:
Konrad Wojas
2017-10-24 23:12:28 +08:00
committed by Zlatko Čalušić
parent ca0e09261f
commit 4cd82b6802
423 changed files with 90775 additions and 0 deletions

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vendor/github.com/prometheus/procfs/sysfs/.gitignore generated vendored Normal file
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fixtures/

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vendor/github.com/prometheus/procfs/sysfs/doc.go generated vendored Normal file
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// Copyright 2017 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 sysfs provides functions to retrieve system and kernel metrics
// from the pseudo-filesystem sys.
package sysfs

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// Copyright 2017 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 sysfs
import (
"fmt"
"os"
"path/filepath"
"github.com/prometheus/procfs/bcache"
"github.com/prometheus/procfs/xfs"
)
// FS represents the pseudo-filesystem sys, which provides an interface to
// kernel data structures.
type FS string
// DefaultMountPoint is the common mount point of the sys filesystem.
const DefaultMountPoint = "/sys"
// NewFS returns a new FS mounted under the given mountPoint. It will error
// if the mount point can't be read.
func NewFS(mountPoint string) (FS, error) {
info, err := os.Stat(mountPoint)
if err != nil {
return "", fmt.Errorf("could not read %s: %s", mountPoint, err)
}
if !info.IsDir() {
return "", fmt.Errorf("mount point %s is not a directory", mountPoint)
}
return FS(mountPoint), nil
}
// Path returns the path of the given subsystem relative to the sys root.
func (fs FS) Path(p ...string) string {
return filepath.Join(append([]string{string(fs)}, p...)...)
}
// XFSStats retrieves XFS filesystem runtime statistics for each mounted XFS
// filesystem. Only available on kernel 4.4+. On older kernels, an empty
// slice of *xfs.Stats will be returned.
func (fs FS) XFSStats() ([]*xfs.Stats, error) {
matches, err := filepath.Glob(fs.Path("fs/xfs/*/stats/stats"))
if err != nil {
return nil, err
}
stats := make([]*xfs.Stats, 0, len(matches))
for _, m := range matches {
f, err := os.Open(m)
if err != nil {
return nil, err
}
// "*" used in glob above indicates the name of the filesystem.
name := filepath.Base(filepath.Dir(filepath.Dir(m)))
// File must be closed after parsing, regardless of success or
// failure. Defer is not used because of the loop.
s, err := xfs.ParseStats(f)
_ = f.Close()
if err != nil {
return nil, err
}
s.Name = name
stats = append(stats, s)
}
return stats, nil
}
// BcacheStats retrieves bcache runtime statistics for each bcache.
func (fs FS) BcacheStats() ([]*bcache.Stats, error) {
matches, err := filepath.Glob(fs.Path("fs/bcache/*-*"))
if err != nil {
return nil, err
}
stats := make([]*bcache.Stats, 0, len(matches))
for _, uuidPath := range matches {
// "*-*" in glob above indicates the name of the bcache.
name := filepath.Base(uuidPath)
// stats
s, err := bcache.GetStats(uuidPath)
if err != nil {
return nil, err
}
s.Name = name
stats = append(stats, s)
}
return stats, nil
}

108
vendor/github.com/prometheus/procfs/sysfs/fs_test.go generated vendored Normal file
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@@ -0,0 +1,108 @@
// Copyright 2017 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 sysfs
import "testing"
func TestNewFS(t *testing.T) {
if _, err := NewFS("foobar"); err == nil {
t.Error("want NewFS to fail for non-existing mount point")
}
if _, err := NewFS("doc.go"); err == nil {
t.Error("want NewFS to fail if mount point is not a directory")
}
}
func TestFSXFSStats(t *testing.T) {
stats, err := FS("fixtures").XFSStats()
if err != nil {
t.Fatalf("failed to parse XFS stats: %v", err)
}
tests := []struct {
name string
allocated uint32
}{
{
name: "sda1",
allocated: 1,
},
{
name: "sdb1",
allocated: 2,
},
}
const expect = 2
if l := len(stats); l != expect {
t.Fatalf("unexpected number of XFS stats: %d", l)
}
if l := len(tests); l != expect {
t.Fatalf("unexpected number of tests: %d", l)
}
for i, tt := range tests {
if want, got := tt.name, stats[i].Name; want != got {
t.Errorf("unexpected stats name:\nwant: %q\nhave: %q", want, got)
}
if want, got := tt.allocated, stats[i].ExtentAllocation.ExtentsAllocated; want != got {
t.Errorf("unexpected extents allocated:\nwant: %d\nhave: %d", want, got)
}
}
}
func TestFSBcacheStats(t *testing.T) {
stats, err := FS("fixtures").BcacheStats()
if err != nil {
t.Fatalf("failed to parse bcache stats: %v", err)
}
tests := []struct {
name string
bdevs int
caches int
}{
{
name: "deaddd54-c735-46d5-868e-f331c5fd7c74",
bdevs: 1,
caches: 1,
},
}
const expect = 1
if l := len(stats); l != expect {
t.Fatalf("unexpected number of bcache stats: %d", l)
}
if l := len(tests); l != expect {
t.Fatalf("unexpected number of tests: %d", l)
}
for i, tt := range tests {
if want, got := tt.name, stats[i].Name; want != got {
t.Errorf("unexpected stats name:\nwant: %q\nhave: %q", want, got)
}
if want, got := tt.bdevs, len(stats[i].Bdevs); want != got {
t.Errorf("unexpected value allocated:\nwant: %d\nhave: %d", want, got)
}
if want, got := tt.caches, len(stats[i].Caches); want != got {
t.Errorf("unexpected value allocated:\nwant: %d\nhave: %d", want, got)
}
}
}