mirror of
https://github.com/Control-D-Inc/ctrld.git
synced 2026-02-03 22:18:39 +00:00
4ebe2fb5f4
Because ctrld needs to query custom client mapping from it. While at it, also make the error message clearer when initializing ubios discover failed, by attaching the command output to returned error.
69 lines
1.9 KiB
Go
69 lines
1.9 KiB
Go
package cli
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import (
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"bufio"
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"bytes"
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"io"
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"os"
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"os/exec"
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"strings"
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"github.com/kardianos/service"
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"tailscale.com/control/controlknobs"
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"tailscale.com/health"
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"github.com/Control-D-Inc/ctrld/internal/dns"
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"github.com/Control-D-Inc/ctrld/internal/router"
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)
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func init() {
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if r, err := dns.NewOSConfigurator(func(format string, args ...any) {}, &health.Tracker{}, &controlknobs.Knobs{}, "lo"); err == nil {
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useSystemdResolved = r.Mode() == "systemd-resolved"
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}
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// Disable quic-go's ECN support by default, see https://github.com/quic-go/quic-go/issues/3911
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if os.Getenv("QUIC_GO_DISABLE_ECN") == "" {
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os.Setenv("QUIC_GO_DISABLE_ECN", "true")
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}
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}
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func setDependencies(svc *service.Config) {
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svc.Dependencies = []string{
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"Wants=network-online.target",
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"After=network-online.target",
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"Wants=NetworkManager-wait-online.service",
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"After=NetworkManager-wait-online.service",
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"Wants=nss-lookup.target",
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"After=nss-lookup.target",
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}
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if out, _ := exec.Command("networkctl", "--no-pager").CombinedOutput(); len(out) > 0 {
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if wantsSystemDNetworkdWaitOnline(bytes.NewReader(out)) {
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svc.Dependencies = append(svc.Dependencies, "Wants=systemd-networkd-wait-online.service")
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}
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}
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if routerDeps := router.ServiceDependencies(); len(routerDeps) > 0 {
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svc.Dependencies = append(svc.Dependencies, routerDeps...)
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}
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}
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func setWorkingDirectory(svc *service.Config, dir string) {
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svc.WorkingDirectory = dir
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}
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// wantsSystemDNetworkdWaitOnline reports whether "systemd-networkd-wait-online" service
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// is required to be added to ctrld dependencies services.
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// The input reader r is the output of "networkctl --no-pager" command.
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func wantsSystemDNetworkdWaitOnline(r io.Reader) bool {
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scanner := bufio.NewScanner(r)
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// Skip header
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scanner.Scan()
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configured := false
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for scanner.Scan() {
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fields := strings.Fields(scanner.Text())
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if len(fields) > 0 && fields[len(fields)-1] == "configured" {
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configured = true
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break
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}
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}
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return configured
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}
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