Fix boot command
This commit is contained in:
flx5
parent
64e4fd2a4d
commit
6e84e6d371
@ -9,10 +9,13 @@ import (
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"github.com/hashicorp/packer-plugin-sdk/common"
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"github.com/hashicorp/packer-plugin-sdk/multistep"
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"github.com/hashicorp/packer-plugin-sdk/template/interpolate"
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"github.com/hashicorp/packer-plugin-sdk/bootcommand"
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xenapi "github.com/terra-farm/go-xen-api-client"
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)
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type CommonConfig struct {
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bootcommand.VNCConfig `mapstructure:",squash"`
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Username string `mapstructure:"remote_username"`
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Password string `mapstructure:"remote_password"`
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HostIp string `mapstructure:"remote_host"`
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@ -28,7 +31,6 @@ type CommonConfig struct {
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HostPortMin uint `mapstructure:"host_port_min"`
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HostPortMax uint `mapstructure:"host_port_max"`
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BootCommand []string `mapstructure:"boot_command"`
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ShutdownCommand string `mapstructure:"shutdown_command"`
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RawBootWait string `mapstructure:"boot_wait"`
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@ -10,13 +10,11 @@ import (
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"log"
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"net"
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"strings"
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"time"
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"unicode"
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"unicode/utf8"
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"github.com/hashicorp/packer-plugin-sdk/multistep"
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"github.com/hashicorp/packer-plugin-sdk/packer"
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"github.com/hashicorp/packer-plugin-sdk/template/interpolate"
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"github.com/hashicorp/packer-plugin-sdk/bootcommand"
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"github.com/mitchellh/go-vnc"
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)
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@ -136,14 +134,7 @@ func (self *StepTypeBootCommand) Run(ctx context.Context, state multistep.StateB
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ui.Say(fmt.Sprintf("Received response: %s", builder.String()))
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// Make sure the VNC Handshake times out when it can't read anything.
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duration,_ := time.ParseDuration("30s")
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tlsConn.SetDeadline(time.Now().Add(duration))
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vncClient, err := vnc.Client(tlsConn, &vnc.ClientConfig{Exclusive: true})
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// Make sure further requests don't time out.
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duration,_ = time.ParseDuration("1d")
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tlsConn.SetDeadline(time.Now().Add(duration))
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vncClient, err := vnc.Client(tlsConn, &vnc.ClientConfig{Exclusive: false})
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if err != nil {
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err := fmt.Errorf("Error establishing VNC session: %s", err)
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@ -153,6 +144,7 @@ func (self *StepTypeBootCommand) Run(ctx context.Context, state multistep.StateB
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}
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defer vncClient.Close()
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log.Printf("Connected to the VNC console: %s", vncClient.DesktopName)
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@ -175,24 +167,35 @@ func (self *StepTypeBootCommand) Run(ctx context.Context, state multistep.StateB
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uint(httpPort),
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}
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vncDriver := bootcommand.NewVNCDriver(vncClient, config.VNCConfig.BootKeyInterval)
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ui.Say("Typing boot commands over VNC...")
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for _, command := range config.BootCommand {
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command, err := interpolate.Render(command, &self.Ctx)
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if err != nil {
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err := fmt.Errorf("Error preparing boot command: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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// Check for interrupts
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if _, ok := state.GetOk(multistep.StateCancelled); ok {
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return multistep.ActionHalt
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}
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vncSendString(vncClient, command)
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command, err := interpolate.Render(config.VNCConfig.FlatBootCommand(), &self.Ctx)
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if err != nil {
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err := fmt.Errorf("Error preparing boot command: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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seq, err := bootcommand.GenerateExpressionSequence(command)
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if err != nil {
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err := fmt.Errorf("Error generating boot command: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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if err := seq.Do(ctx, vncDriver); err != nil {
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err := fmt.Errorf("Error running boot command: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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ui.Say("Finished typing.")
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@ -200,100 +203,3 @@ func (self *StepTypeBootCommand) Run(ctx context.Context, state multistep.StateB
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}
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func (self *StepTypeBootCommand) Cleanup(multistep.StateBag) {}
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// Taken from qemu's builder plugin - not an exported function.
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func vncSendString(c *vnc.ClientConn, original string) {
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// Scancodes reference: https://github.com/qemu/qemu/blob/master/ui/vnc_keysym.h
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special := make(map[string]uint32)
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special["<bs>"] = 0xFF08
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special["<del>"] = 0xFFFF
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special["<enter>"] = 0xFF0D
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special["<esc>"] = 0xFF1B
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special["<f1>"] = 0xFFBE
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special["<f2>"] = 0xFFBF
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special["<f3>"] = 0xFFC0
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special["<f4>"] = 0xFFC1
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special["<f5>"] = 0xFFC2
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special["<f6>"] = 0xFFC3
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special["<f7>"] = 0xFFC4
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special["<f8>"] = 0xFFC5
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special["<f9>"] = 0xFFC6
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special["<f10>"] = 0xFFC7
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special["<f11>"] = 0xFFC8
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special["<f12>"] = 0xFFC9
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special["<return>"] = 0xFF0D
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special["<tab>"] = 0xFF09
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special["<up>"] = 0xFF52
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special["<down>"] = 0xFF54
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special["<left>"] = 0xFF51
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special["<right>"] = 0xFF53
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special["<spacebar>"] = 0x020
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special["<insert>"] = 0xFF63
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special["<home>"] = 0xFF50
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special["<end>"] = 0xFF57
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special["<pageUp>"] = 0xFF55
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special["<pageDown>"] = 0xFF56
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shiftedChars := "~!@#$%^&*()_+{}|:\"<>?"
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// TODO(mitchellh): Ripe for optimizations of some point, perhaps.
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for len(original) > 0 {
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var keyCode uint32
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keyShift := false
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if strings.HasPrefix(original, "<wait>") {
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log.Printf("Special code '<wait>' found, sleeping one second")
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time.Sleep(1 * time.Second)
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original = original[len("<wait>"):]
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continue
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}
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if strings.HasPrefix(original, "<wait5>") {
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log.Printf("Special code '<wait5>' found, sleeping 5 seconds")
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time.Sleep(5 * time.Second)
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original = original[len("<wait5>"):]
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continue
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}
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if strings.HasPrefix(original, "<wait10>") {
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log.Printf("Special code '<wait10>' found, sleeping 10 seconds")
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time.Sleep(10 * time.Second)
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original = original[len("<wait10>"):]
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continue
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}
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for specialCode, specialValue := range special {
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if strings.HasPrefix(original, specialCode) {
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log.Printf("Special code '%s' found, replacing with: %d", specialCode, specialValue)
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keyCode = specialValue
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original = original[len(specialCode):]
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break
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}
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}
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if keyCode == 0 {
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r, size := utf8.DecodeRuneInString(original)
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original = original[size:]
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keyCode = uint32(r)
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keyShift = unicode.IsUpper(r) || strings.ContainsRune(shiftedChars, r)
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log.Printf("Sending char '%c', code %d, shift %v", r, keyCode, keyShift)
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}
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if keyShift {
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c.KeyEvent(uint32(KeyLeftShift), true)
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}
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c.KeyEvent(keyCode, true)
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time.Sleep(time.Second / 10)
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c.KeyEvent(keyCode, false)
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time.Sleep(time.Second / 10)
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if keyShift {
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c.KeyEvent(uint32(KeyLeftShift), false)
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}
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// no matter what, wait a small period
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time.Sleep(50 * time.Millisecond)
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}
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}
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1
go.sum
1
go.sum
@ -591,6 +591,7 @@ golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPI
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golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
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golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
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golang.org/x/mobile v0.0.0-20191130191448-5c0e7e404af8/go.mod h1:p895TfNkDgPEmEQrNiOtIl3j98d/tGU95djDj7NfyjQ=
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golang.org/x/mobile v0.0.0-20201208152944-da85bec010a2 h1:3HADozU50HyrJ2jklLtr3xr0itFkz9u4LxCJhqKVdjI=
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golang.org/x/mobile v0.0.0-20201208152944-da85bec010a2/go.mod h1:skQtrUTUwhdJvXM/2KKJzY8pDgNr9I/FOMqDVRPBUS4=
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golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
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golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
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