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// Copyright (c) 2017 Intel Corporation
//
// SPDX-License-Identifier: Apache-2.0
//
package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
"strconv"
"time"
specs "github.com/opencontainers/runtime-spec/specs-go"
)
var logFile = "/tmp/mock_hook.log"
var testKey = "test-key"
var testContainerID = "test-container-id"
var testControllerID = "test-controller-id"
func main() {
err := os.RemoveAll(logFile)
if err != nil {
os.Exit(1)
}
f, err := os.Create(logFile)
if err != nil {
os.Exit(1)
}
defer f.Close()
fmt.Fprintf(f, "args = %s\n", os.Args)
if len(os.Args) < 3 {
fmt.Fprintf(f, "At least 3 args expected, only %d received\n", len(os.Args))
os.Exit(1)
}
if os.Args[0] != testKey {
fmt.Fprintf(f, "args[0] should be \"%s\", received \"%s\" instead\n", testKey, os.Args[0])
os.Exit(1)
}
if os.Args[1] != testContainerID {
fmt.Fprintf(f, "argv[1] should be \"%s\", received \"%s\" instead\n", testContainerID, os.Args[1])
os.Exit(1)
}
if os.Args[2] != testControllerID {
fmt.Fprintf(f, "argv[2] should be \"%s\", received \"%s\" instead\n", testControllerID, os.Args[2])
os.Exit(1)
}
stateBuf, err := ioutil.ReadAll(os.Stdin)
if err != nil {
fmt.Fprintf(f, "Could not read on stdin: %s\n", err)
os.Exit(1)
}
var state specs.State
err = json.Unmarshal(stateBuf, &state)
if err != nil {
fmt.Fprintf(f, "Could not unmarshal HookState json: %s\n", err)
os.Exit(1)
}
if state.Pid < 1 {
fmt.Fprintf(f, "Invalid PID: %d\n", state.Pid)
os.Exit(1)
}
// Intended to sleep, so as to make the test passing/failing.
if len(os.Args) >= 4 {
timeout, err := strconv.Atoi(os.Args[3])
if err != nil {
fmt.Fprintf(f, "Could not retrieve timeout %s from args[3]\n", os.Args[3])
os.Exit(1)
}
time.Sleep(time.Duration(timeout) * time.Second)
if len(os.Args) == 5 {
msg := "panicking at user request"
fmt.Fprintln(f, msg)
panic(msg)
}
}
}
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