forked from rook/rook
113 lines
3.9 KiB
Go
113 lines
3.9 KiB
Go
/*
|
|
Copyright 2016 The Rook Authors. All rights reserved.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
package proc
|
|
|
|
import (
|
|
"errors"
|
|
"os/exec"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/rook/rook/pkg/util/exec/test"
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
func TestRestartDelay(t *testing.T) {
|
|
var zeroTime time.Time
|
|
|
|
// test cases for when last retry check time is not available
|
|
assert.Equal(t, float64(0), calcRetryDelay(0, 0, zeroTime, zeroTime, zeroTime))
|
|
assert.Equal(t, float64(0), calcRetryDelay(0, 2, zeroTime, zeroTime, zeroTime))
|
|
assert.Equal(t, float64(1), calcRetryDelay(2, 0, zeroTime, zeroTime, zeroTime))
|
|
assert.Equal(t, float64(2), calcRetryDelay(2, 1, zeroTime, zeroTime, zeroTime))
|
|
assert.Equal(t, float64(4), calcRetryDelay(2, 2, zeroTime, zeroTime, zeroTime))
|
|
assert.Equal(t, float64(30), calcRetryDelay(2, 5, zeroTime, zeroTime, zeroTime))
|
|
assert.Equal(t, float64(30), calcRetryDelay(2, 100, zeroTime, zeroTime, zeroTime))
|
|
|
|
// test cases for when last retry check is available and retry count is 0 and the process hasn't been
|
|
// running long at all. the time delay should be 2^(number of secs since last retry), with a max limit of 30.
|
|
now := time.Now()
|
|
lastStartTime := now
|
|
lastRetryCheck := now
|
|
assert.Equal(t, float64(1), calcRetryDelay(2, 0, now, lastStartTime, lastRetryCheck))
|
|
|
|
lastRetryCheck = now.Add(-1 * time.Second)
|
|
assert.Equal(t, float64(2), calcRetryDelay(2, 0, now, lastStartTime, lastRetryCheck))
|
|
|
|
lastRetryCheck = now.Add(-2 * time.Second)
|
|
assert.Equal(t, float64(4), calcRetryDelay(2, 0, now, lastStartTime, lastRetryCheck))
|
|
|
|
lastRetryCheck = now.Add(-4 * time.Second)
|
|
assert.Equal(t, float64(16), calcRetryDelay(2, 0, now, lastStartTime, lastRetryCheck))
|
|
|
|
lastRetryCheck = now.Add(-5 * time.Second)
|
|
assert.Equal(t, float64(30), calcRetryDelay(2, 0, now, lastStartTime, lastRetryCheck))
|
|
|
|
lastRetryCheck = now.Add(-999999999 * time.Second)
|
|
assert.Equal(t, float64(30), calcRetryDelay(2, 0, now, lastStartTime, lastRetryCheck))
|
|
|
|
// test case for when the process has been running for quite awhile. we should not delay for very long since we
|
|
// are clearly not in a rapid retry loop.
|
|
lastStartTime = now.Add(-100 * time.Second)
|
|
assert.Equal(t, float64(1), calcRetryDelay(2, 0, now, lastStartTime, lastRetryCheck))
|
|
|
|
// test cases for when both retry count and last retry check are available, retry count should be favored
|
|
lastRetryCheck = now.Add(-4 * time.Second)
|
|
assert.Equal(t, float64(2), calcRetryDelay(2, 1, now, lastStartTime, lastRetryCheck))
|
|
}
|
|
|
|
func TestMonitoredRestart(t *testing.T) {
|
|
executor := &test.MockExecutor{}
|
|
procMgr := New(executor)
|
|
cmd := &exec.Cmd{Args: []string{"/my/path", "1", "2", "3"}}
|
|
proc := newMonitoredProc(procMgr, cmd)
|
|
proc.retrySecondsExponentBase = 0.0
|
|
|
|
commands := 0
|
|
executor.MockStartExecuteCommand = func(debug bool, name string, command string, args ...string) (*exec.Cmd, error) {
|
|
commands++
|
|
cmd := &exec.Cmd{Args: append([]string{command}, args...)}
|
|
switch {
|
|
case commands == 1:
|
|
return cmd, errors.New("test failure")
|
|
case commands == 2:
|
|
assert.Equal(t, 1, proc.retries)
|
|
break
|
|
}
|
|
return cmd, nil
|
|
}
|
|
|
|
iter := 0
|
|
proc.waitForExit = func() {
|
|
logger.Debugf("waited for process")
|
|
assert.True(t, proc.monitor)
|
|
switch {
|
|
case iter == 0:
|
|
case iter == 1:
|
|
assert.True(t, proc.monitor)
|
|
logger.Debugf("stop monitoring")
|
|
proc.monitor = false
|
|
break
|
|
}
|
|
iter++
|
|
}
|
|
|
|
proc.Monitor("testproc")
|
|
assert.False(t, proc.monitor)
|
|
assert.Equal(t, proc.retries, 0)
|
|
assert.Equal(t, proc.totalRetries, 2)
|
|
}
|