Files
weave/prog/weaveproxy/main.go
T

87 lines
3.0 KiB
Go

package main
import (
"fmt"
"os"
"strings"
"github.com/docker/docker/pkg/mflag"
. "github.com/weaveworks/weave/common"
"github.com/weaveworks/weave/proxy"
)
var (
version = "(unreleased version)"
)
type listOpts struct {
value *[]string
hasBeenSet bool
}
func ListVar(p *[]string, names []string, value []string, usage string) {
*p = value
mflag.Var(&listOpts{p, false}, names, usage)
}
func (opts *listOpts) Set(value string) error {
if opts.hasBeenSet {
(*opts.value) = append((*opts.value), value)
} else {
(*opts.value) = []string{value}
opts.hasBeenSet = true
}
return nil
}
func (opts *listOpts) String() string {
return fmt.Sprintf("%v", []string(*opts.value))
}
func main() {
var (
justVersion bool
logLevel = "info"
c = proxy.Config{ListenAddrs: []string{}}
)
c.Version = version
mflag.BoolVar(&justVersion, []string{"#version", "-version"}, false, "print version and exit")
mflag.StringVar(&logLevel, []string{"-log-level"}, "info", "logging level (debug, info, warning, error)")
ListVar(&c.ListenAddrs, []string{"H"}, nil, "addresses on which to listen")
mflag.StringVar(&c.HostnameMatch, []string{"-hostname-match"}, "(.*)", "Regexp pattern to apply on container names (e.g. '^aws-[0-9]+-(.*)$')")
mflag.StringVar(&c.HostnameReplacement, []string{"-hostname-replacement"}, "$1", "Expression to generate hostnames based on matches from --hostname-match (e.g. 'my-app-$1')")
mflag.BoolVar(&c.NoDefaultIPAM, []string{"#-no-default-ipam", "-no-default-ipalloc"}, false, "do not automatically allocate addresses for containers without a WEAVE_CIDR")
mflag.BoolVar(&c.NoRewriteHosts, []string{"no-rewrite-hosts"}, false, "do not automatically rewrite /etc/hosts. Use if you need the docker IP to remain in /etc/hosts")
mflag.StringVar(&c.TLSConfig.CACert, []string{"#tlscacert", "-tlscacert"}, "", "Trust certs signed only by this CA")
mflag.StringVar(&c.TLSConfig.Cert, []string{"#tlscert", "-tlscert"}, "", "Path to TLS certificate file")
mflag.BoolVar(&c.TLSConfig.Enabled, []string{"#tls", "-tls"}, false, "Use TLS; implied by --tls-verify")
mflag.StringVar(&c.TLSConfig.Key, []string{"#tlskey", "-tlskey"}, "", "Path to TLS key file")
mflag.BoolVar(&c.TLSConfig.Verify, []string{"#tlsverify", "-tlsverify"}, false, "Use TLS and verify the remote")
mflag.BoolVar(&c.WithDNS, []string{"-with-dns", "w"}, false, "instruct created containers to always use weaveDNS as their nameserver")
mflag.BoolVar(&c.WithoutDNS, []string{"-without-dns"}, false, "instruct created containers to never use weaveDNS as their nameserver")
mflag.Parse()
if justVersion {
fmt.Printf("weave proxy %s\n", version)
os.Exit(0)
}
if c.WithDNS && c.WithoutDNS {
Log.Fatalf("Cannot use both '--with-dns' and '--without-dns' flags")
}
SetLogLevel(logLevel)
Log.Infoln("weave proxy", version)
Log.Infoln("Command line arguments:", strings.Join(os.Args[1:], " "))
p, err := proxy.NewProxy(c)
if err != nil {
Log.Fatalf("Could not start proxy: %s", err)
}
p.ListenAndServe()
}