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[CONSUL-543] Create exec_supported.go (#89)
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joselo85 committed Dec 21, 2022
1 parent 41c02a0 commit c592e5d
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Showing 4 changed files with 61 additions and 89 deletions.
60 changes: 60 additions & 0 deletions command/connect/envoy/exec_supported.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,60 @@
//go:build linux || darwin || windows
// +build linux darwin windows

package envoy

import (
"fmt"
"os"
"strings"
)

// testSelfExecOverride is a way for the tests to no fork-bomb themselves by
// self-executing the whole test suite for each case recursively. It's gross but
// the least gross option I could think of.
var testSelfExecOverride string

func isHotRestartOption(s string) bool {
restartOpts := []string{
"--restart-epoch",
"--hot-restart-version",
"--drain-time-s",
"--parent-shutdown-time-s",
}
for _, opt := range restartOpts {
if s == opt {
return true
}
if strings.HasPrefix(s, opt+"=") {
return true
}
}
return false
}

func hasHotRestartOption(argSets ...[]string) bool {
for _, args := range argSets {
for _, opt := range args {
if isHotRestartOption(opt) {
return true
}
}
}
return false
}

// execArgs returns the command and args used to execute a binary. By default it
// will return a command of os.Executable with the args unmodified. This is a shim
// for testing, and can be overridden to execute using 'go run' instead.
var execArgs = func(args ...string) (string, []string, error) {
execPath, err := os.Executable()
if err != nil {
return "", nil, err
}

if strings.HasSuffix(execPath, "/envoy.test") {
return "", nil, fmt.Errorf("set execArgs to use 'go run' instead of doing a self-exec")
}

return execPath, args, nil
}
50 changes: 0 additions & 50 deletions command/connect/envoy/exec_unix.go
Original file line number Diff line number Diff line change
Expand Up @@ -16,56 +16,6 @@ import (
"golang.org/x/sys/unix"
)

// testSelfExecOverride is a way for the tests to no fork-bomb themselves by
// self-executing the whole test suite for each case recursively. It's gross but
// the least gross option I could think of.
var testSelfExecOverride string

func isHotRestartOption(s string) bool {
restartOpts := []string{
"--restart-epoch",
"--hot-restart-version",
"--drain-time-s",
"--parent-shutdown-time-s",
}
for _, opt := range restartOpts {
if s == opt {
return true
}
if strings.HasPrefix(s, opt+"=") {
return true
}
}
return false
}

func hasHotRestartOption(argSets ...[]string) bool {
for _, args := range argSets {
for _, opt := range args {
if isHotRestartOption(opt) {
return true
}
}
}
return false
}

// execArgs returns the command and args used to execute a binary. By default it
// will return a command of os.Executable with the args unmodified. This is a shim
// for testing, and can be overridden to execute using 'go run' instead.
var execArgs = func(args ...string) (string, []string, error) {
execPath, err := os.Executable()
if err != nil {
return "", nil, err
}

if strings.HasSuffix(execPath, "/envoy.test") {
return "", nil, fmt.Errorf("set execArgs to use 'go run' instead of doing a self-exec")
}

return execPath, args, nil
}

func makeBootstrapPipe(bootstrapJSON []byte) (string, error) {
pipeFile := filepath.Join(os.TempDir(),
fmt.Sprintf("envoy-%x-bootstrap.json", time.Now().UnixNano()+int64(os.Getpid())))
Expand Down
35 changes: 0 additions & 35 deletions command/connect/envoy/exec_windows.go
Original file line number Diff line number Diff line change
Expand Up @@ -10,45 +10,10 @@ import (
"os/exec"

"path/filepath"
"strings"

"time"
)

// testSelfExecOverride is a way for the tests to no fork-bomb themselves by
// self-executing the whole test suite for each case recursively. It's gross but
// the least gross option I could think of.
var testSelfExecOverride string

func isHotRestartOption(s string) bool {
restartOpts := []string{
"--restart-epoch",
"--hot-restart-version",
"--drain-time-s",
"--parent-shutdown-time-s",
}
for _, opt := range restartOpts {
if s == opt {
return true
}
if strings.HasPrefix(s, opt+"=") {
return true
}
}
return false
}

func hasHotRestartOption(argSets ...[]string) bool {
for _, args := range argSets {
for _, opt := range args {
if isHotRestartOption(opt) {
return true
}
}
}
return false
}

func makeBootstrapTemp(bootstrapJSON []byte) (string, error) {
tempFile := filepath.Join(os.TempDir(),
fmt.Sprintf("envoy-%x-bootstrap.json", time.Now().UnixNano()+int64(os.Getpid())))
Expand Down
5 changes: 1 addition & 4 deletions command/registry.go
Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,6 @@ import (
"github.com/hashicorp/consul/command/operator/raft/transferleader"
"os"
"os/signal"
"runtime"
"syscall"

"github.com/hashicorp/consul/command/acl"
Expand Down Expand Up @@ -127,8 +126,6 @@ import (
"github.com/hashicorp/consul/command/cli"
)

const OSPlatform = runtime.GOOS

// RegisteredCommands returns a realized mapping of available CLI commands in a format that
// the CLI class can consume.
func RegisteredCommands(ui cli.Ui) map[string]mcli.CommandFactory {
Expand Down Expand Up @@ -184,7 +181,7 @@ func RegisteredCommands(ui cli.Ui) map[string]mcli.CommandFactory {
entry{"connect ca get-config", func(ui cli.Ui) (cli.Command, error) { return caget.New(ui), nil }},
entry{"connect ca set-config", func(ui cli.Ui) (cli.Command, error) { return caset.New(ui), nil }},
entry{"connect proxy", func(ui cli.Ui) (cli.Command, error) { return proxy.New(ui, MakeShutdownCh()), nil }},
entry{"connect envoy", func(ui cli.Ui) (cli.Command, error) { return envoy.New(ui, OSPlatform), nil }},
entry{"connect envoy", func(ui cli.Ui) (cli.Command, error) { return envoy.New(ui), nil }},
entry{"connect envoy pipe-bootstrap", func(ui cli.Ui) (cli.Command, error) { return pipebootstrap.New(ui), nil }},
entry{"connect expose", func(ui cli.Ui) (cli.Command, error) { return expose.New(ui), nil }},
entry{"connect redirect-traffic", func(ui cli.Ui) (cli.Command, error) { return redirecttraffic.New(ui), nil }},
Expand Down

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