125 lines
5.5 KiB
Go
125 lines
5.5 KiB
Go
// Copyright (c) 2014, WAKAYAMA Shirou
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the gopsutil authors nor the names of its contributors
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// may be used to endorse or promote products derived from this software without
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// specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Copied from https://github.com/shirou/gopsutil/blob/b49f37e9f30f49530cf2ad6038a4dac1b746c8f7/mem/mem.go#L15
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// Copied from https://github.com/shirou/gopsutil/blob/b49f37e9f30f49530cf2ad6038a4dac1b746c8f7/host/host.go#L17
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package hostutil
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// VirtualMemoryStat holds commonly used memory measurements. We must have a
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// local type here in order to avoid building the gopsutil library on certain
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// arch types.
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//
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// This struct is copied to maintain backwards compatibility in the Vault host-info API.
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// This is done because gopsutil changed JSON struct tags between its v2 and v3 releases.
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// For details see https://github.com/shirou/gopsutil/tree/master/_tools/v3migration.
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type VirtualMemoryStat struct {
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// Total amount of RAM on this system
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Total uint64 `json:"total"`
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// RAM available for programs to allocate
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//
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// This value is computed from the kernel specific values.
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Available uint64 `json:"available"`
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// RAM used by programs
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//
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// This value is computed from the kernel specific values.
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Used uint64 `json:"used"`
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// Percentage of RAM used by programs
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//
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// This value is computed from the kernel specific values.
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UsedPercent float64 `json:"usedPercent"`
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// This is the kernel's notion of free memory; RAM chips whose bits nobody
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// cares about the value of right now. For a human consumable number,
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// Available is what you really want.
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Free uint64 `json:"free"`
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// OS X / BSD specific numbers:
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// http://www.macyourself.com/2010/02/17/what-is-free-wired-active-and-inactive-system-memory-ram/
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Active uint64 `json:"active"`
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Inactive uint64 `json:"inactive"`
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Wired uint64 `json:"wired"`
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// FreeBSD specific numbers:
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// https://reviews.freebsd.org/D8467
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Laundry uint64 `json:"laundry"`
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// Linux specific numbers
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// https://www.centos.org/docs/5/html/5.1/Deployment_Guide/s2-proc-meminfo.html
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// https://www.kernel.org/doc/Documentation/filesystems/proc.txt
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// https://www.kernel.org/doc/Documentation/vm/overcommit-accounting
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Buffers uint64 `json:"buffers"`
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Cached uint64 `json:"cached"`
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Writeback uint64 `json:"writeback"`
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Dirty uint64 `json:"dirty"`
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WritebackTmp uint64 `json:"writebacktmp"`
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Shared uint64 `json:"shared"`
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Slab uint64 `json:"slab"`
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SReclaimable uint64 `json:"sreclaimable"`
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SUnreclaim uint64 `json:"sunreclaim"`
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PageTables uint64 `json:"pagetables"`
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SwapCached uint64 `json:"swapcached"`
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CommitLimit uint64 `json:"commitlimit"`
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CommittedAS uint64 `json:"committedas"`
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HighTotal uint64 `json:"hightotal"`
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HighFree uint64 `json:"highfree"`
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LowTotal uint64 `json:"lowtotal"`
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LowFree uint64 `json:"lowfree"`
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SwapTotal uint64 `json:"swaptotal"`
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SwapFree uint64 `json:"swapfree"`
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Mapped uint64 `json:"mapped"`
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VMallocTotal uint64 `json:"vmalloctotal"`
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VMallocUsed uint64 `json:"vmallocused"`
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VMallocChunk uint64 `json:"vmallocchunk"`
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HugePagesTotal uint64 `json:"hugepagestotal"`
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HugePagesFree uint64 `json:"hugepagesfree"`
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HugePageSize uint64 `json:"hugepagesize"`
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}
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// HostInfoStat describes the host status.
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//
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// This struct is copied to maintain backwards compatibility in the Vault host-info API.
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// This is done because gopsutil changed JSON struct tags between its v2 and v3 releases.
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// For details see https://github.com/shirou/gopsutil/tree/master/_tools/v3migration.
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type HostInfoStat struct {
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Hostname string `json:"hostname"`
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Uptime uint64 `json:"uptime"`
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BootTime uint64 `json:"bootTime"`
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Procs uint64 `json:"procs"`
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OS string `json:"os"`
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Platform string `json:"platform"`
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PlatformFamily string `json:"platformFamily"`
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PlatformVersion string `json:"platformVersion"`
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KernelVersion string `json:"kernelVersion"`
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KernelArch string `json:"kernelArch"`
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VirtualizationSystem string `json:"virtualizationSystem"`
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VirtualizationRole string `json:"virtualizationRole"`
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HostID string `json:"hostid"`
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}
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