79 lines
2.5 KiB
Go
79 lines
2.5 KiB
Go
package main
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import (
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"fmt"
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"os"
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"strings"
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"github.com/pborman/getopt"
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. "github.com/weaveworks/weave/common"
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"github.com/weaveworks/weave/proxy"
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)
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var (
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version = "(unreleased version)"
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defaultDockerAddr = "unix:///var/run/docker.sock"
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defaultListenAddr = "tcp://0.0.0.0:12375"
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)
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func main() {
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var (
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debug bool
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justVersion bool
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c = proxy.Config{
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DockerAddr: defaultDockerAddr,
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ListenAddr: defaultListenAddr,
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}
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)
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c.Version = version
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getopt.BoolVarLong(&debug, "debug", 'd', "log debugging information")
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getopt.BoolVarLong(&justVersion, "version", 0, "print version and exit")
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getopt.StringVar(&c.ListenAddr, 'H', fmt.Sprintf("address on which to listen (default %s)", defaultListenAddr))
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getopt.StringVar(&c.DockerAddr, 'D', fmt.Sprintf("docker daemon URL to proxy (default %s)", defaultDockerAddr))
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getopt.BoolVarLong(&c.NoDefaultIPAM, "no-default-ipam", 0, "do not automatically allocate addresses for containers without a WEAVE_CIDR")
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getopt.StringVarLong(&c.TLSConfig.CACert, "tlscacert", 0, "Trust certs signed only by this CA")
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getopt.StringVarLong(&c.TLSConfig.Cert, "tlscert", 0, "Path to TLS certificate file")
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getopt.BoolVarLong(&c.TLSConfig.Enabled, "tls", 0, "Use TLS; implied by --tlsverify")
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getopt.StringVarLong(&c.TLSConfig.Key, "tlskey", 0, "Path to TLS key file")
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getopt.BoolVarLong(&c.TLSConfig.Verify, "tlsverify", 0, "Use TLS and verify the remote")
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getopt.BoolVarLong(&c.WithDNS, "with-dns", 'w', "instruct created containers to always use weaveDNS as their nameserver")
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getopt.BoolVarLong(&c.WithoutDNS, "without-dns", 0, "instruct created containers to never use weaveDNS as their nameserver")
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getopt.Parse()
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if justVersion {
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fmt.Printf("weave proxy %s\n", version)
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os.Exit(0)
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}
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if c.WithDNS && c.WithoutDNS {
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Error.Fatalf("Cannot use both '--with-dns' and '--without-dns' flags")
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}
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if debug {
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InitDefaultLogging(true)
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}
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Info.Println("weave proxy", version)
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Info.Println("Command line arguments:", strings.Join(os.Args[1:], " "))
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protoAddrParts := strings.SplitN(c.ListenAddr, "://", 2)
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if len(protoAddrParts) == 2 {
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if protoAddrParts[0] != "tcp" {
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Error.Fatalf("Invalid protocol format: %q", protoAddrParts[0])
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}
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c.ListenAddr = protoAddrParts[1]
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} else {
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c.ListenAddr = protoAddrParts[0]
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}
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p, err := proxy.NewProxy(c)
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if err != nil {
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Error.Fatalf("Could not start proxy: %s", err)
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}
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if err := p.ListenAndServe(); err != nil {
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Error.Fatalf("Could not listen on %s: %s", p.ListenAddr, err)
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}
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}
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