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* Adding explicit MPL license for sub-package This directory and its subdirectories (packages) contain files licensed with the MPLv2 `LICENSE` file in this directory and are intentionally licensed separately from the BSL `LICENSE` file at the root of this repository. * Adding explicit MPL license for sub-package This directory and its subdirectories (packages) contain files licensed with the MPLv2 `LICENSE` file in this directory and are intentionally licensed separately from the BSL `LICENSE` file at the root of this repository. * Updating the license from MPL to Business Source License Going forward, this project will be licensed under the Business Source License v1.1. Please see our blog post for more details at <Blog URL>, FAQ at www.hashicorp.com/licensing-faq, and details of the license at www.hashicorp.com/bsl. * add missing license headers * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 --------- Co-authored-by: hashicorp-copywrite[bot] <110428419+hashicorp-copywrite[bot]@users.noreply.github.com>
80 lines
1.9 KiB
Go
80 lines
1.9 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package proxy
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import (
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"fmt"
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"strconv"
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"strings"
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"github.com/hashicorp/consul/api"
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"github.com/hashicorp/consul/connect/proxy"
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)
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// FlagUpstreams implements the flag.Value interface and allows specifying
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// the -upstream flag multiple times and keeping track of the name of the
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// upstream and the local port.
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//
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// The syntax of the value is "name:addr" where addr can be "port" or
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// "host:port". Examples: "db:8181", "db:127.0.0.10:8282", etc.
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//
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// This would need to be extended for Unix Domain Sockets; how does this get handled
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// addr: path & path:mode is ambigous; maybe path alone could be sorted by checking for a numeric port
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// but iffy
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type FlagUpstreams map[string]proxy.UpstreamConfig
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func (f *FlagUpstreams) String() string {
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return fmt.Sprintf("%v", *f)
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}
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func (f *FlagUpstreams) Set(value string) error {
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idx := strings.Index(value, ":")
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if idx == -1 {
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return fmt.Errorf("Upstream value should be name:addr in %q", value)
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}
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addr := ""
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name := value[:idx]
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portRaw := value[idx+1:]
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if idx := strings.Index(portRaw, ":"); idx != -1 {
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addr = portRaw[:idx]
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portRaw = portRaw[idx+1:]
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}
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destinationType := "service"
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if idx := strings.Index(name, "."); idx != -1 {
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typ := name[idx+1:]
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name = name[:idx]
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switch typ {
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case "", "service":
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destinationType = "service"
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case "query":
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destinationType = "prepared_query"
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default:
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return fmt.Errorf(
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"Upstream type must be blank, 'service', or 'query'. Got: %q", typ)
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}
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}
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port, err := strconv.ParseInt(portRaw, 0, 0)
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if err != nil {
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return err
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}
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if *f == nil {
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*f = make(map[string]proxy.UpstreamConfig)
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}
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(*f)[name] = proxy.UpstreamConfig{
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LocalBindAddress: addr,
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LocalBindPort: int(port),
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DestinationName: name,
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DestinationType: api.UpstreamDestType(destinationType),
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}
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return nil
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}
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