Replace godep with dep

This commit is contained in:
Manuel de Brito Fontes 2017-10-06 17:26:14 -03:00
parent 1e7489927c
commit bf5616c65b
14883 changed files with 3937406 additions and 361781 deletions

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amd64=busybox
arm=arm32v6/busybox
arm64=arm64v8/busybox
ppc64le=ppc64le/busybox
s390x=s390x/busybox

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package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_binary",
"go_library",
)
go_library(
name = "go_default_library",
srcs = ["serve_hostname.go"],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
)
go_binary(
name = "serve-hostname",
library = ":go_default_library",
)

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# Copyright 2016 The Kubernetes Authors.
#
# 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.
FROM BASEIMAGE
COPY serve_hostname /
EXPOSE 9376
ENTRYPOINT ["/serve_hostname"]

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# Copyright 2016 The Kubernetes Authors.
#
# 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.
SRCS=serve_hostname
ARCH ?= amd64
TARGET ?= $(CURDIR)
GOLANG_VERSION ?= latest
SRC_DIR = $(notdir $(shell pwd))
export
bin:
../image-util.sh bin $(SRCS)
.PHONY: bin

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## serve_hostname
This is a small util app to serve your hostname on TCP and/or UDP. Useful for testing.
The `serve_hostname` Makefile supports multiple architectures, which means it may cross-compile and build an docker image easily.
Arch-specific busybox images serve as base images.
If you are releasing a new version, please bump the `TAG` value in the `Makefile` before building the images.
## How to release:
```
# Build cross-platform binaries
$ make all-push
# Build for linux/amd64 (default)
$ make push ARCH=amd64
# ---> gcr.io/google_containers/serve_hostname-amd64:TAG
$ make push ARCH=arm
# ---> gcr.io/google_containers/serve_hostname-arm:TAG
$ make push ARCH=arm64
# ---> gcr.io/google_containers/serve_hostname-arm64:TAG
$ make push ARCH=ppc64le
# ---> gcr.io/google_containers/serve_hostname-ppc64le:TAG
$ make push ARCH=s390x
# ---> gcr.io/google_containers/serve_hostname-s390x:TAG
```
Of course, if you don't want to push the images, run `make all-container` or `make container ARCH={target_arch}` instead.
[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/contrib/for-demos/serve_hostname/README.md?pixel)]()
[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/test/images/serve_hostname/README.md?pixel)]()

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1.0

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/*
Copyright 2014 The Kubernetes Authors.
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.
*/
// A small utility to just serve the hostname on TCP and/or UDP.
package main
import (
"flag"
"fmt"
"log"
"net"
"net/http"
"os"
"os/signal"
"syscall"
)
var (
doTCP = flag.Bool("tcp", false, "Serve raw over TCP.")
doUDP = flag.Bool("udp", false, "Serve raw over UDP.")
doHTTP = flag.Bool("http", true, "Serve HTTP.")
port = flag.Int("port", 9376, "Port number.")
)
func main() {
flag.Parse()
if *doHTTP && (*doTCP || *doUDP) {
log.Fatalf("Can't server TCP/UDP mode and HTTP mode at the same time")
}
hostname, err := os.Hostname()
if err != nil {
log.Fatalf("Error from os.Hostname(): %s", err)
}
if *doTCP {
listener, err := net.Listen("tcp", fmt.Sprintf(":%d", *port))
if err != nil {
log.Fatalf("Error from net.Listen(): %s", err)
}
go func() {
for {
conn, err := listener.Accept()
if err != nil {
log.Fatalf("Error from Accept(): %s", err)
}
log.Printf("TCP request from %s", conn.RemoteAddr().String())
conn.Write([]byte(hostname))
conn.Close()
}
}()
}
if *doUDP {
addr, err := net.ResolveUDPAddr("udp", fmt.Sprintf(":%d", *port))
if err != nil {
log.Fatalf("Error from net.ResolveUDPAddr(): %s", err)
}
sock, err := net.ListenUDP("udp", addr)
if err != nil {
log.Fatalf("Error from ListenUDP(): %s", err)
}
go func() {
var buffer [16]byte
for {
_, cliAddr, err := sock.ReadFrom(buffer[0:])
if err != nil {
log.Fatalf("Error from ReadFrom(): %s", err)
}
log.Printf("UDP request from %s", cliAddr.String())
sock.WriteTo([]byte(hostname), cliAddr)
}
}()
}
if *doHTTP {
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
log.Printf("HTTP request from %s", r.RemoteAddr)
fmt.Fprintf(w, "%s", hostname)
})
go func() {
// Run in a closure so http.ListenAndServe doesn't block
log.Fatal(http.ListenAndServe(fmt.Sprintf(":%d", *port), nil))
}()
}
// Write to stdout after receiving SIGTERM and SIGINT to help with debugging kubernetes issue #21605
signals := make(chan os.Signal)
signal.Notify(signals, syscall.SIGTERM, syscall.SIGINT)
sig := <-signals
// Keep behavior consistent with how the signal is handled by default (default is to panic)
log.Panicf("Terminating after receiving signal: %s.\n", sig)
}