/usr/share/gocode/src/github.com/shirou/gopsutil/mem/mem_solaris.go is in golang-github-shirou-gopsutil-dev 2.17.08-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import (
"errors"
"fmt"
"os/exec"
"regexp"
"strconv"
"strings"
"github.com/shirou/gopsutil/internal/common"
)
// VirtualMemory for Solaris is a minimal implementation which only returns
// what Nomad needs. It does take into account global vs zone, however.
func VirtualMemory() (*VirtualMemoryStat, error) {
result := &VirtualMemoryStat{}
zoneName, err := zoneName()
if err != nil {
return nil, err
}
if zoneName == "global" {
cap, err := globalZoneMemoryCapacity()
if err != nil {
return nil, err
}
result.Total = cap
} else {
cap, err := nonGlobalZoneMemoryCapacity()
if err != nil {
return nil, err
}
result.Total = cap
}
return result, nil
}
func SwapMemory() (*SwapMemoryStat, error) {
return nil, common.ErrNotImplementedError
}
func zoneName() (string, error) {
zonename, err := exec.LookPath("/usr/bin/zonename")
if err != nil {
return "", err
}
out, err := invoke.Command(zonename)
if err != nil {
return "", err
}
return strings.TrimSpace(string(out)), nil
}
var globalZoneMemoryCapacityMatch = regexp.MustCompile(`memory size: ([\d]+) Megabytes`)
func globalZoneMemoryCapacity() (uint64, error) {
prtconf, err := exec.LookPath("/usr/sbin/prtconf")
if err != nil {
return 0, err
}
out, err := invoke.Command(prtconf)
if err != nil {
return 0, err
}
match := globalZoneMemoryCapacityMatch.FindAllStringSubmatch(string(out), -1)
if len(match) != 1 {
return 0, errors.New("memory size not contained in output of /usr/sbin/prtconf")
}
totalMB, err := strconv.ParseUint(match[0][1], 10, 64)
if err != nil {
return 0, err
}
return totalMB * 1024 * 1024, nil
}
var kstatMatch = regexp.MustCompile(`([^\s]+)[\s]+([^\s]*)`)
func nonGlobalZoneMemoryCapacity() (uint64, error) {
kstat, err := exec.LookPath("/usr/bin/kstat")
if err != nil {
return 0, err
}
out, err := invoke.Command(kstat, "-p", "-c", "zone_memory_cap", "memory_cap:*:*:physcap")
if err != nil {
return 0, err
}
kstats := kstatMatch.FindAllStringSubmatch(string(out), -1)
if len(kstats) != 1 {
return 0, fmt.Errorf("expected 1 kstat, found %d", len(kstats))
}
memSizeBytes, err := strconv.ParseUint(kstats[0][2], 10, 64)
if err != nil {
return 0, err
}
return memSizeBytes, nil
}
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