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wiki/dev/installer/syscheck.go

52 lines
1.3 KiB

package main
import (
"fmt"
"log"
"os/exec"
"github.com/blang/semver"
"github.com/fatih/color"
"github.com/pbnjay/memory"
)
const nodejsSemverRange = ">=8.11.4 <11.0.0"
const ramMin = 768
// CheckNodeJs checks if Node.js is installed and has minimal supported version
func CheckNodeJs() bool {
cmd := exec.Command("node", "-v")
cmdOutput, err := cmd.CombinedOutput()
if err != nil {
log.Fatal(err)
}
validRange := semver.MustParseRange(nodejsSemverRange)
nodeVersion, err := semver.ParseTolerant(string(cmdOutput[:]))
if !validRange(nodeVersion) {
panic(fmt.Errorf(color.RedString("Error: Installed Node.js version %s is not supported! %s\n"), nodeVersion, nodejsSemverRange))
}
fmt.Printf(color.GreenString("✔")+" Node.js %s: OK\n", nodeVersion.String())
return true
}
// CheckRAM checks if system total RAM meets requirements
func CheckRAM() bool {
var totalRAM = memory.TotalMemory() / 1024 / 1024
if totalRAM < ramMin {
panic(fmt.Errorf(color.RedString("Error: System does not meet RAM requirements. %s MB minimum.\n"), ramMin))
}
fmt.Printf(color.GreenString("✔")+" Total System RAM %d MB: OK\n", totalRAM)
return true
}
// CheckNetworkAccess checks if download server can be reached
func CheckNetworkAccess() bool {
// TODO
return true
}