mirror of https://github.com/hashicorp/consul
156 lines
3.3 KiB
Go
156 lines
3.3 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package apply
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import (
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"encoding/json"
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"errors"
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"flag"
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"fmt"
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"io"
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"github.com/mitchellh/cli"
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"github.com/hashicorp/consul/command/resource"
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"github.com/hashicorp/consul/command/resource/client"
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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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grpcFlags *client.GRPCFlags
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help string
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filePath string
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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.StringVar(&c.filePath, "f", "",
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"File path with resource definition")
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c.grpcFlags = &client.GRPCFlags{}
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client.MergeFlags(c.flags, c.grpcFlags.ClientFlags())
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c.help = client.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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if !errors.Is(err, flag.ErrHelp) {
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c.UI.Error(fmt.Sprintf("Failed to parse args: %v", err))
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return 1
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}
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c.UI.Error(fmt.Sprintf("Failed to run apply command: %v", err))
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return 1
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}
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// parse resource
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input := c.filePath
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if input == "" {
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c.UI.Error("Required '-f' flag was not provided to specify where to load the resource content from")
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return 1
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}
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parsedResource, err := resource.ParseResourceInput(input, c.testStdin)
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if err != nil {
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c.UI.Error(fmt.Sprintf("Failed to decode resource from input file: %v", err))
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return 1
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}
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if parsedResource == nil {
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c.UI.Error("Unable to parse the file argument")
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return 1
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}
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// initialize client
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config, err := client.LoadGRPCConfig(nil)
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if err != nil {
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c.UI.Error(fmt.Sprintf("Error loading config: %s", err))
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return 1
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}
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c.grpcFlags.MergeFlagsIntoGRPCConfig(config)
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resourceClient, err := client.NewGRPCClient(config)
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if err != nil {
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c.UI.Error(fmt.Sprintf("Error connect to Consul agent: %s", err))
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return 1
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}
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// write resource
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gvk := &resource.GVK{
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Group: parsedResource.Id.Type.GetGroup(),
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Version: parsedResource.Id.Type.GetGroupVersion(),
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Kind: parsedResource.Id.Type.GetKind(),
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}
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res := resource.ResourceGRPC{C: resourceClient}
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entry, err := res.Apply(parsedResource)
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if err != nil {
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c.UI.Error(fmt.Sprintf("Error writing resource %s/%s: %v", gvk, parsedResource.Id.GetName(), err))
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return 1
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}
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// display response
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b, err := json.MarshalIndent(entry, "", " ")
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if err != nil {
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c.UI.Error("Failed to encode output data")
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return 1
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}
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c.UI.Info(fmt.Sprintf("%s.%s.%s '%s' created.", gvk.Group, gvk.Version, gvk.Kind, parsedResource.Id.GetName()))
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c.UI.Info(string(b))
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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 client.Usage(c.help, nil)
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}
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const synopsis = "Writes/updates resource information"
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const help = `
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Usage: consul resource apply [options] <resource>
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Write and/or update a resource by providing the definition. The configuration
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argument is either a file path or '-' to indicate that the resource
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should be read from stdin. The data should be either in HCL or
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JSON form.
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Example (with flag):
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$ consul resource apply -f=demo.hcl
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Example (from stdin):
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$ consul resource apply -f - < demo.hcl
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Sample demo.hcl:
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ID {
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Type = gvk("group.version.kind")
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Name = "resource-name"
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Tenancy {
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Namespace = "default"
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Partition = "default"
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PeerName = "local"
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}
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}
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Data {
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Name = "demo"
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}
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Metadata = {
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"foo" = "bar"
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}
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`
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