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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>
117 lines
2.4 KiB
Go
117 lines
2.4 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package match
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import (
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"flag"
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"fmt"
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"io"
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"github.com/hashicorp/consul/api"
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"github.com/hashicorp/consul/command/flags"
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"github.com/mitchellh/cli"
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)
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func New(ui cli.Ui) *cmd {
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c := &cmd{UI: ui}
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c.init()
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return c
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}
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type cmd struct {
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UI cli.Ui
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flags *flag.FlagSet
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http *flags.HTTPFlags
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help string
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// flags
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flagSource bool
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flagDestination bool
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// testStdin is the input for testing.
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testStdin io.Reader
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}
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func (c *cmd) init() {
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c.flags = flag.NewFlagSet("", flag.ContinueOnError)
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c.flags.BoolVar(&c.flagSource, "source", false,
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"Match intentions with the given source.")
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c.flags.BoolVar(&c.flagDestination, "destination", false,
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"Match intentions with the given destination.")
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c.http = &flags.HTTPFlags{}
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flags.Merge(c.flags, c.http.ClientFlags())
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flags.Merge(c.flags, c.http.ServerFlags())
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flags.Merge(c.flags, c.http.MultiTenancyFlags())
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c.help = flags.Usage(help, c.flags)
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}
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func (c *cmd) Run(args []string) int {
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if err := c.flags.Parse(args); err != nil {
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return 2
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}
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args = c.flags.Args()
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if len(args) != 1 {
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c.UI.Error(fmt.Sprintf("Error: command requires exactly one argument: src or dst"))
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return 1
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}
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if c.flagSource && c.flagDestination {
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c.UI.Error(fmt.Sprintf("Error: only one of -source or -destination may be specified"))
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return 1
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}
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by := api.IntentionMatchDestination
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if c.flagSource {
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by = api.IntentionMatchSource
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}
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// Create and test the HTTP client
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client, err := c.http.APIClient()
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if err != nil {
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c.UI.Error(fmt.Sprintf("Error connecting to Consul agent: %s", err))
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return 1
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}
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// Match the intention
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matches, _, err := client.Connect().IntentionMatch(&api.IntentionMatch{
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By: by,
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Names: []string{args[0]},
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}, nil)
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if err != nil {
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c.UI.Error(fmt.Sprintf("Error matching the connection: %s", err))
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return 1
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}
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for _, ixn := range matches[args[0]] {
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c.UI.Output(ixn.String())
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}
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return 0
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}
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func (c *cmd) Synopsis() string {
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return synopsis
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}
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func (c *cmd) Help() string {
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return c.help
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}
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const (
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synopsis = "Show intentions that match a source or destination."
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help = `
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Usage: consul intention match [options] SRC|DST
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Show the list of intentions that would be enforced for a given source
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or destination. The intentions are listed in the order they would be
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evaluated.
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$ consul intention match db
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$ consul intention match -source web
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`
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)
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