Files
argo-cd/util/exec/exec_test.go
2025-11-02 17:01:38 +02:00

229 lines
7.3 KiB
Go

package exec
import (
"os/exec"
"regexp"
"syscall"
"testing"
"time"
log "github.com/sirupsen/logrus"
"github.com/sirupsen/logrus/hooks/test"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func Test_timeout(t *testing.T) {
t.Run("Default", func(t *testing.T) {
initTimeout()
assert.Equal(t, 90*time.Second, timeout)
assert.Equal(t, 10*time.Second, fatalTimeout)
})
t.Run("Default", func(t *testing.T) {
t.Setenv("ARGOCD_EXEC_TIMEOUT", "1s")
t.Setenv("ARGOCD_EXEC_FATAL_TIMEOUT", "2s")
initTimeout()
assert.Equal(t, 1*time.Second, timeout)
assert.Equal(t, 2*time.Second, fatalTimeout)
})
}
func TestRun(t *testing.T) {
out, err := Run(exec.CommandContext(t.Context(), "ls"))
require.NoError(t, err)
assert.NotEmpty(t, out)
}
func TestHideUsernamePassword(t *testing.T) {
ctx := t.Context()
_, err := RunWithRedactor(exec.CommandContext(ctx, "helm registry login https://charts.bitnami.com/bitnami", "--username", "foo", "--password", "bar"), nil)
require.Error(t, err)
redactor := func(text string) string {
return regexp.MustCompile("(--username|--password) [^ ]*").ReplaceAllString(text, "$1 ******")
}
_, err = RunWithRedactor(exec.CommandContext(ctx, "helm registry login https://charts.bitnami.com/bitnami", "--username", "foo", "--password", "bar"), redactor)
require.Error(t, err)
}
// This tests a cmd that properly handles a SIGTERM signal
func TestRunWithExecRunOpts(t *testing.T) {
t.Setenv("ARGOCD_EXEC_TIMEOUT", "200ms")
initTimeout()
opts := ExecRunOpts{
TimeoutBehavior: TimeoutBehavior{
Signal: syscall.SIGTERM,
ShouldWait: true,
},
}
_, err := RunWithExecRunOpts(exec.CommandContext(t.Context(), "sh", "-c", "trap 'trap - 15 && echo captured && exit' 15 && sleep 2"), opts)
assert.ErrorContains(t, err, "failed timeout after 200ms")
}
// This tests a mis-behaved cmd that stalls on SIGTERM and requires a SIGKILL
func TestRunWithExecRunOptsFatal(t *testing.T) {
t.Setenv("ARGOCD_EXEC_TIMEOUT", "200ms")
t.Setenv("ARGOCD_EXEC_FATAL_TIMEOUT", "100ms")
initTimeout()
opts := ExecRunOpts{
TimeoutBehavior: TimeoutBehavior{
Signal: syscall.SIGTERM,
ShouldWait: true,
},
}
// The returned error string in this case should contain a "fatal" in this case
_, err := RunWithExecRunOpts(exec.CommandContext(t.Context(), "sh", "-c", "trap 'trap - 15 && echo captured && sleep 10000' 15 && sleep 2"), opts)
// The expected timeout is ARGOCD_EXEC_TIMEOUT + ARGOCD_EXEC_FATAL_TIMEOUT = 200ms + 100ms = 300ms
assert.ErrorContains(t, err, "failed fatal timeout after 300ms")
}
func Test_getCommandArgsToLog(t *testing.T) {
t.Parallel()
testCases := []struct {
name string
args []string
expected string
}{
{
name: "no spaces",
args: []string{"sh", "-c", "cat"},
expected: "sh -c cat",
},
{
name: "spaces",
args: []string{"sh", "-c", `echo "hello world"`},
expected: `sh -c "echo \"hello world\""`,
},
{
name: "empty string arg",
args: []string{"sh", "-c", ""},
expected: `sh -c ""`,
},
}
for _, tc := range testCases {
tcc := tc
t.Run(tcc.name, func(t *testing.T) {
t.Parallel()
assert.Equal(t, tcc.expected, GetCommandArgsToLog(exec.CommandContext(t.Context(), tcc.args[0], tcc.args[1:]...)))
})
}
}
func TestRunCommand(t *testing.T) {
hook := test.NewGlobal()
log.SetLevel(log.DebugLevel)
defer log.SetLevel(log.InfoLevel)
message, err := RunCommand("echo", CmdOpts{Redactor: Redact([]string{"world"})}, "hello world")
require.NoError(t, err)
assert.Equal(t, "hello world", message)
assert.Len(t, hook.Entries, 2)
entry := hook.Entries[0]
assert.Equal(t, log.InfoLevel, entry.Level)
assert.Equal(t, "echo hello ******", entry.Message)
assert.Contains(t, entry.Data, "dir")
assert.Contains(t, entry.Data, "execID")
entry = hook.Entries[1]
assert.Equal(t, log.DebugLevel, entry.Level)
assert.Equal(t, "hello ******\n", entry.Message)
assert.Contains(t, entry.Data, "duration")
assert.Contains(t, entry.Data, "execID")
}
func TestRunCommandSignal(t *testing.T) {
hook := test.NewGlobal()
log.SetLevel(log.DebugLevel)
defer log.SetLevel(log.InfoLevel)
timeoutBehavior := TimeoutBehavior{Signal: syscall.SIGTERM, ShouldWait: true}
output, err := RunCommand("sh", CmdOpts{Timeout: 200 * time.Millisecond, TimeoutBehavior: timeoutBehavior}, "-c", "trap 'trap - 15 && echo captured && exit' 15 && sleep 2")
assert.Equal(t, "captured", output)
require.EqualError(t, err, "`sh -c trap 'trap - 15 && echo captured && exit' 15 && sleep 2` failed timeout after 200ms")
assert.Len(t, hook.Entries, 3)
}
func TestTrimmedOutput(t *testing.T) {
message, err := RunCommand("printf", CmdOpts{}, "hello world")
require.NoError(t, err)
assert.Equal(t, "hello world", message)
}
func TestRunCommandExitErr(t *testing.T) {
hook := test.NewGlobal()
log.SetLevel(log.DebugLevel)
defer log.SetLevel(log.InfoLevel)
output, err := RunCommand("sh", CmdOpts{Redactor: Redact([]string{"world"})}, "-c", "echo hello world && echo my-error >&2 && exit 1")
assert.Equal(t, "hello world", output)
require.EqualError(t, err, "`sh -c echo hello ****** && echo my-error >&2 && exit 1` failed exit status 1: my-error")
assert.Len(t, hook.Entries, 3)
entry := hook.Entries[0]
assert.Equal(t, log.InfoLevel, entry.Level)
assert.Equal(t, "sh -c echo hello ****** && echo my-error >&2 && exit 1", entry.Message)
assert.Contains(t, entry.Data, "dir")
assert.Contains(t, entry.Data, "execID")
entry = hook.Entries[1]
assert.Equal(t, log.DebugLevel, entry.Level)
assert.Equal(t, "hello ******\n", entry.Message)
assert.Contains(t, entry.Data, "duration")
assert.Contains(t, entry.Data, "execID")
entry = hook.Entries[2]
assert.Equal(t, log.ErrorLevel, entry.Level)
assert.Equal(t, "`sh -c echo hello ****** && echo my-error >&2 && exit 1` failed exit status 1: my-error", entry.Message)
assert.Contains(t, entry.Data, "execID")
}
func TestRunCommandErr(t *testing.T) {
log.SetLevel(log.DebugLevel)
defer log.SetLevel(log.InfoLevel)
output, err := RunCommand("sh", CmdOpts{Redactor: Redact([]string{"world"})}, "-c", ">&2 echo 'failure'; false")
assert.Empty(t, output)
assert.EqualError(t, err, "`sh -c >&2 echo 'failure'; false` failed exit status 1: failure")
}
func TestRunInDir(t *testing.T) {
cmd := exec.CommandContext(t.Context(), "pwd")
cmd.Dir = "/"
message, err := RunCommandExt(cmd, CmdOpts{})
require.NoError(t, err)
assert.Equal(t, "/", message)
}
func TestRedact(t *testing.T) {
assert.Empty(t, Redact(nil)(""))
assert.Empty(t, Redact([]string{})(""))
assert.Empty(t, Redact([]string{"foo"})(""))
assert.Equal(t, "foo", Redact([]string{})("foo"))
assert.Equal(t, "******", Redact([]string{"foo"})("foo"))
assert.Equal(t, "****** ******", Redact([]string{"foo", "bar"})("foo bar"))
assert.Equal(t, "****** ******", Redact([]string{"foo"})("foo foo"))
}
func TestRunCaptureStderr(t *testing.T) {
output, err := RunCommand("sh", CmdOpts{CaptureStderr: true}, "-c", "echo hello world && echo my-error >&2 && exit 0")
assert.Equal(t, "hello world\nmy-error", output)
assert.NoError(t, err)
}
func TestRunWithExecRunOptsCaptureStderr(t *testing.T) {
ctx := t.Context()
cmd := exec.CommandContext(ctx, "sh", "-c", "echo hello world && echo my-error >&2 && exit 0")
output, err := RunWithExecRunOpts(cmd, ExecRunOpts{CaptureStderr: true})
assert.Equal(t, "hello world\nmy-error", output)
assert.NoError(t, err)
}