mirror of https://github.com/status-im/consul.git
65 lines
2.5 KiB
Go
65 lines
2.5 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package client
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import (
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"flag"
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"strings"
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)
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type GRPCFlags struct {
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address TValue[string]
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grpcTLS TValue[bool]
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certFile TValue[string]
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keyFile TValue[string]
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caFile TValue[string]
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caPath TValue[string]
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}
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// MergeFlagsIntoGRPCConfig merges flag values into grpc config
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// caller has to parse the CLI args before loading them into flag values
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// The flags take precedence over the environment values
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func (f *GRPCFlags) MergeFlagsIntoGRPCConfig(c *GRPCConfig) {
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if strings.HasPrefix(strings.ToLower(f.address.String()), "https://") {
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c.GRPCTLS = true
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}
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f.address.Set(removeSchemaFromGRPCAddress(f.address.String()))
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f.address.Merge(&c.Address)
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// won't overwrite the value if it's false
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if f.grpcTLS.v != nil && *f.grpcTLS.v {
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f.grpcTLS.Merge(&c.GRPCTLS)
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}
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f.certFile.Merge(&c.CertFile)
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f.keyFile.Merge(&c.KeyFile)
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f.caFile.Merge(&c.CAFile)
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f.caPath.Merge(&c.CAPath)
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}
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// merge the client flags into command line flags then parse command line flags
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func (f *GRPCFlags) ClientFlags() *flag.FlagSet {
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fs := flag.NewFlagSet("", flag.ContinueOnError)
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fs.Var(&f.address, "grpc-addr",
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"The `address` and `port` of the Consul GRPC agent. The value can be an IP "+
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"address or DNS address, but it must also include the port. This can also be specified "+
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"via the CONSUL_GRPC_ADDR environment variable. The default value is "+
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"127.0.0.1:8502. If you intend to communicate in TLS mode, you have to either "+
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"include https:// schema in the address, use grpc-tls flag or set environment variable "+
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"CONSUL_GRPC_TLS = true, otherwise it uses plaintext mode")
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fs.Var(&f.caFile, "grpc-tls",
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"Set to true if you aim to communicate in TLS mode in the GRPC call.")
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fs.Var(&f.certFile, "client-cert",
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"Path to a client cert file to use for TLS when 'verify_incoming' is enabled. This "+
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"can also be specified via the CONSUL_GRPC_CLIENT_CERT environment variable.")
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fs.Var(&f.keyFile, "client-key",
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"Path to a client key file to use for TLS when 'verify_incoming' is enabled. This "+
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"can also be specified via the CONSUL_GRPC_CLIENT_KEY environment variable.")
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fs.Var(&f.caFile, "ca-file",
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"Path to a CA file to use for TLS when communicating with Consul. This "+
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"can also be specified via the CONSUL_CACERT environment variable.")
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fs.Var(&f.caPath, "ca-path",
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"Path to a directory of CA certificates to use for TLS when communicating "+
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"with Consul. This can also be specified via the CONSUL_CAPATH environment variable.")
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return fs
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}
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