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55 lines
1.3 KiB
55 lines
1.3 KiB
6 years ago
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package main
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import (
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"fmt"
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"log"
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"os"
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"os/exec"
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"github.com/blang/semver"
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"github.com/pbnjay/memory"
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"github.com/ttacon/chalk"
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)
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const nodejsSemverRange = ">=8.11.3 <10.0.0"
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const ramMin = 768
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// CheckNodeJs checks if Node.js is installed and has minimal supported version
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func CheckNodeJs() bool {
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cmd := exec.Command("node", "-v")
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cmdOutput, err := cmd.CombinedOutput()
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if err != nil {
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log.Fatal(err)
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}
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validRange := semver.MustParseRange(nodejsSemverRange)
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nodeVersion, err := semver.ParseTolerant(string(cmdOutput[:]))
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if !validRange(nodeVersion) {
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fmt.Printf(chalk.Red.Color("Error: Installed Node.js version is not supported! %s"), nodejsSemverRange)
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os.Exit(1)
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}
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fmt.Printf(chalk.Green.Color("✔")+" Node.js %s: OK\n", nodeVersion.String())
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return true
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}
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// CheckRAM checks if system total RAM meets requirements
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func CheckRAM() bool {
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var totalRAM = memory.TotalMemory() / 1024 / 1024
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if totalRAM < ramMin {
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fmt.Printf(chalk.Red.Color("Error: System does not meet RAM requirements. %s MB minimum."), ramMin)
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os.Exit(1)
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}
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fmt.Printf(chalk.Green.Color("✔")+" Total System RAM %d MB: OK\n", totalRAM)
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return true
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}
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// CheckNetworkAccess checks if download server can be reached
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func CheckNetworkAccess() bool {
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// TODO
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return true
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}
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