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new "image" mount type
Add a new "image" mount type to `--mount`. The source of the mount is the name or ID of an image. The destination is the path inside the container. Image mounts further support an optional `rw,readwrite` parameter which if set to "true" will yield the mount writable inside the container. Note that no changes are propagated to the image mount on the host (which in any case is read only). Mounts are overlay mounts. To support read-only overlay mounts, vendor a non-release version of Buildah. Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
This commit is contained in:
Valentin Rothberg
196
vendor/github.com/prometheus/procfs/zoneinfo.go
generated
vendored
196
vendor/github.com/prometheus/procfs/zoneinfo.go
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vendored
@ -1,196 +0,0 @@
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// Copyright 2019 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// +build !windows
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package procfs
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"regexp"
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"strings"
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"github.com/prometheus/procfs/internal/util"
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)
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// Zoneinfo holds info parsed from /proc/zoneinfo.
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type Zoneinfo struct {
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Node string
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Zone string
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NrFreePages *int64
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Min *int64
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Low *int64
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High *int64
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Scanned *int64
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Spanned *int64
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Present *int64
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Managed *int64
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NrActiveAnon *int64
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NrInactiveAnon *int64
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NrIsolatedAnon *int64
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NrAnonPages *int64
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NrAnonTransparentHugepages *int64
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NrActiveFile *int64
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NrInactiveFile *int64
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NrIsolatedFile *int64
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NrFilePages *int64
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NrSlabReclaimable *int64
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NrSlabUnreclaimable *int64
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NrMlockStack *int64
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NrKernelStack *int64
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NrMapped *int64
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NrDirty *int64
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NrWriteback *int64
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NrUnevictable *int64
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NrShmem *int64
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NrDirtied *int64
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NrWritten *int64
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NumaHit *int64
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NumaMiss *int64
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NumaForeign *int64
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NumaInterleave *int64
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NumaLocal *int64
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NumaOther *int64
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Protection []*int64
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}
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var nodeZoneRE = regexp.MustCompile(`(\d+), zone\s+(\w+)`)
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// Zoneinfo parses an zoneinfo-file (/proc/zoneinfo) and returns a slice of
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// structs containing the relevant info. More information available here:
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// https://www.kernel.org/doc/Documentation/sysctl/vm.txt
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func (fs FS) Zoneinfo() ([]Zoneinfo, error) {
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data, err := ioutil.ReadFile(fs.proc.Path("zoneinfo"))
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if err != nil {
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return nil, fmt.Errorf("error reading zoneinfo %s: %s", fs.proc.Path("zoneinfo"), err)
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}
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zoneinfo, err := parseZoneinfo(data)
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if err != nil {
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return nil, fmt.Errorf("error parsing zoneinfo %s: %s", fs.proc.Path("zoneinfo"), err)
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}
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return zoneinfo, nil
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}
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func parseZoneinfo(zoneinfoData []byte) ([]Zoneinfo, error) {
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zoneinfo := []Zoneinfo{}
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zoneinfoBlocks := bytes.Split(zoneinfoData, []byte("\nNode"))
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for _, block := range zoneinfoBlocks {
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var zoneinfoElement Zoneinfo
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lines := strings.Split(string(block), "\n")
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for _, line := range lines {
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if nodeZone := nodeZoneRE.FindStringSubmatch(line); nodeZone != nil {
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zoneinfoElement.Node = nodeZone[1]
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zoneinfoElement.Zone = nodeZone[2]
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continue
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}
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if strings.HasPrefix(strings.TrimSpace(line), "per-node stats") {
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zoneinfoElement.Zone = ""
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continue
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}
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parts := strings.Fields(strings.TrimSpace(line))
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if len(parts) < 2 {
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continue
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}
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vp := util.NewValueParser(parts[1])
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switch parts[0] {
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case "nr_free_pages":
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zoneinfoElement.NrFreePages = vp.PInt64()
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case "min":
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zoneinfoElement.Min = vp.PInt64()
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case "low":
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zoneinfoElement.Low = vp.PInt64()
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case "high":
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zoneinfoElement.High = vp.PInt64()
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case "scanned":
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zoneinfoElement.Scanned = vp.PInt64()
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case "spanned":
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zoneinfoElement.Spanned = vp.PInt64()
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case "present":
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zoneinfoElement.Present = vp.PInt64()
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case "managed":
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zoneinfoElement.Managed = vp.PInt64()
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case "nr_active_anon":
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zoneinfoElement.NrActiveAnon = vp.PInt64()
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case "nr_inactive_anon":
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zoneinfoElement.NrInactiveAnon = vp.PInt64()
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case "nr_isolated_anon":
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zoneinfoElement.NrIsolatedAnon = vp.PInt64()
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case "nr_anon_pages":
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zoneinfoElement.NrAnonPages = vp.PInt64()
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case "nr_anon_transparent_hugepages":
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zoneinfoElement.NrAnonTransparentHugepages = vp.PInt64()
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case "nr_active_file":
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zoneinfoElement.NrActiveFile = vp.PInt64()
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case "nr_inactive_file":
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zoneinfoElement.NrInactiveFile = vp.PInt64()
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case "nr_isolated_file":
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zoneinfoElement.NrIsolatedFile = vp.PInt64()
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case "nr_file_pages":
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zoneinfoElement.NrFilePages = vp.PInt64()
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case "nr_slab_reclaimable":
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zoneinfoElement.NrSlabReclaimable = vp.PInt64()
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case "nr_slab_unreclaimable":
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zoneinfoElement.NrSlabUnreclaimable = vp.PInt64()
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case "nr_mlock_stack":
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zoneinfoElement.NrMlockStack = vp.PInt64()
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case "nr_kernel_stack":
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zoneinfoElement.NrKernelStack = vp.PInt64()
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case "nr_mapped":
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zoneinfoElement.NrMapped = vp.PInt64()
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case "nr_dirty":
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zoneinfoElement.NrDirty = vp.PInt64()
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case "nr_writeback":
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zoneinfoElement.NrWriteback = vp.PInt64()
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case "nr_unevictable":
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zoneinfoElement.NrUnevictable = vp.PInt64()
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case "nr_shmem":
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zoneinfoElement.NrShmem = vp.PInt64()
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case "nr_dirtied":
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zoneinfoElement.NrDirtied = vp.PInt64()
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case "nr_written":
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zoneinfoElement.NrWritten = vp.PInt64()
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case "numa_hit":
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zoneinfoElement.NumaHit = vp.PInt64()
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case "numa_miss":
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zoneinfoElement.NumaMiss = vp.PInt64()
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case "numa_foreign":
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zoneinfoElement.NumaForeign = vp.PInt64()
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case "numa_interleave":
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zoneinfoElement.NumaInterleave = vp.PInt64()
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case "numa_local":
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zoneinfoElement.NumaLocal = vp.PInt64()
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case "numa_other":
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zoneinfoElement.NumaOther = vp.PInt64()
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case "protection:":
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protectionParts := strings.Split(line, ":")
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protectionValues := strings.Replace(protectionParts[1], "(", "", 1)
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protectionValues = strings.Replace(protectionValues, ")", "", 1)
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protectionValues = strings.TrimSpace(protectionValues)
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protectionStringMap := strings.Split(protectionValues, ", ")
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val, err := util.ParsePInt64s(protectionStringMap)
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if err == nil {
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zoneinfoElement.Protection = val
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}
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}
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}
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zoneinfo = append(zoneinfo, zoneinfoElement)
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}
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return zoneinfo, nil
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}
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