mirror of
https://github.com/ko-build/ko.git
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78 lines
2.2 KiB
Go
78 lines
2.2 KiB
Go
// Copyright 2018 ko Build Authors All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"flag"
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"fmt"
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"log"
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"os"
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"os/signal"
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"path/filepath"
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"runtime"
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"syscall"
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"time"
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// Give this an interesting import
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_ "github.com/google/go-containerregistry/pkg/registry"
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)
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var (
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f = flag.String("f", "kenobi", "File in kodata to print")
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wait = flag.Bool("wait", false, "Whether to wait for SIGTERM")
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)
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// This is defined so we can test build-time variable setting using ldflags.
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var version = "default"
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func main() {
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flag.Parse()
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log.Println("version =", version)
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if runtime.GOOS == "windows" {
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// Go seems to not load location data from Windows, so timezone
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// conversion fails unless tzdata is embedded in the Go program
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// with the go build tag `timetzdata`. Since we want to test
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// loading tzdata provided by the base image below, we'll just
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// skip that for Windows here.
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// See https://github.com/ko-build/ko/issues/739
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log.Println("skipping timezone conversion on Windows")
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} else {
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// Exercise timezone conversions, which demonstrates tzdata is provided
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// by the base image.
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now := time.Now()
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loc, _ := time.LoadLocation("UTC")
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fmt.Printf("UTC Time: %s\n", now.In(loc))
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loc, _ = time.LoadLocation("America/New_York")
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fmt.Printf("New York Time: %s\n", now.In(loc))
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}
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dp := os.Getenv("KO_DATA_PATH")
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file := filepath.Join(dp, *f)
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bytes, err := os.ReadFile(file)
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if err != nil {
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log.Fatalf("Error reading %q: %v", file, err)
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}
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fmt.Println(string(bytes))
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// Cause the pod to "hang" to allow us to check for a readiness state.
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if *wait {
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sigs := make(chan os.Signal, 1)
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signal.Notify(sigs, syscall.SIGTERM)
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<-sigs
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}
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}
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