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	* Update gopsutil to v3 * Adds v2 field names in host-info response to allow eventual deprecation in favor of v3 field names * Map v3 to v2 field names to keep host-info api compat * copy gopsutil license into source
		
			
				
	
	
		
			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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