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(7.0) Use auth service for teleport nodes (#2029)
* Use auth service for teleport nodes * Backport system teleport show-config command
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,141 @@ | ||
| /* | ||
| Copyright 2020 Gravitational, Inc. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package cli | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/base64" | ||
| "fmt" | ||
| "io" | ||
|
|
||
| "github.com/gravitational/gravity/lib/loc" | ||
| "github.com/gravitational/gravity/lib/localenv" | ||
| "github.com/gravitational/gravity/lib/pack" | ||
| "github.com/gravitational/gravity/lib/process" | ||
|
|
||
| "github.com/gravitational/teleport/lib/config" | ||
| "github.com/gravitational/teleport/lib/defaults" | ||
|
|
||
| "github.com/coreos/go-semver/semver" | ||
| "github.com/gravitational/trace" | ||
| "gopkg.in/yaml.v2" | ||
| ) | ||
|
|
||
| func showTeleportConfig(env *localenv.LocalEnvironment, packageName string) error { | ||
| locators, err := getTeleportLocators(env, packageName) | ||
| if err != nil { | ||
| return trace.Wrap(err) | ||
| } | ||
| config, err := readTeleportFileConfig(locators.configReader) | ||
| if err != nil { | ||
| return trace.Wrap(err) | ||
| } | ||
| configBytes, err := yaml.Marshal(config) | ||
| if err != nil { | ||
| return trace.Wrap(err) | ||
| } | ||
| fmt.Println(string(configBytes)) | ||
| return nil | ||
| } | ||
|
|
||
| func readTeleportFileConfig(reader io.ReadCloser) (*config.FileConfig, error) { | ||
| vars, err := pack.ReadConfigPackage(reader) | ||
| if err != nil { | ||
| return nil, trace.Wrap(err) | ||
| } | ||
| configBase64 := vars[defaults.ConfigEnvar] | ||
| if configBase64 == "" { | ||
| return nil, trace.BadParameter("empty teleport config") | ||
| } | ||
| configBytes, err := base64.StdEncoding.DecodeString(configBase64) | ||
| if err != nil { | ||
| return nil, trace.Wrap(err) | ||
| } | ||
| var config config.FileConfig | ||
| if err := yaml.Unmarshal(configBytes, &config); err != nil { | ||
| return nil, trace.Wrap(err) | ||
| } | ||
| return &config, nil | ||
| } | ||
|
|
||
| type teleportLocators struct { | ||
| teleportLocator loc.Locator | ||
| configLocator loc.Locator | ||
| configEnvelope pack.PackageEnvelope | ||
| configReader io.ReadCloser | ||
| } | ||
|
|
||
| func getTeleportLocators(env *localenv.LocalEnvironment, packageName string) (*teleportLocators, error) { | ||
| teleportLocator, err := pack.FindInstalledPackage(env.Packages, loc.Teleport) | ||
| if err != nil { | ||
| return nil, trace.Wrap(err) | ||
| } | ||
| teleportVersion, err := teleportLocator.SemVer() | ||
| if err != nil { | ||
| return nil, trace.Wrap(err) | ||
| } | ||
| var configLocator *loc.Locator | ||
| switch packageName { | ||
| case "master": | ||
| configLocator, err = findTeleportMasterConfig(env, *teleportVersion) | ||
| if err != nil { | ||
| return nil, trace.Wrap(err) | ||
| } | ||
| fmt.Printf("Using Teleport master config from %s\n", configLocator) | ||
| case "node": | ||
| configLocator, err = findTeleportNodeConfig(env) | ||
| if err != nil { | ||
| return nil, trace.Wrap(err) | ||
| } | ||
| fmt.Printf("Using Teleport node config from %s\n", configLocator) | ||
| default: | ||
| configLocator, err = loc.ParseLocator(packageName) | ||
| if err != nil { | ||
| return nil, trace.Wrap(err) | ||
| } | ||
| } | ||
| envelope, reader, err := env.Packages.ReadPackage(*configLocator) | ||
| if err != nil { | ||
| return nil, trace.Wrap(err) | ||
| } | ||
| return &teleportLocators{ | ||
| teleportLocator: *teleportLocator, | ||
| configLocator: *configLocator, | ||
| configEnvelope: *envelope, | ||
| configReader: reader, | ||
| }, nil | ||
| } | ||
|
|
||
| func findTeleportMasterConfig(env *localenv.LocalEnvironment, teleportVersion semver.Version) (*loc.Locator, error) { | ||
| clusterEnv, err := env.NewClusterEnvironment() | ||
| if err != nil { | ||
| return nil, trace.Wrap(err) | ||
| } | ||
| cluster, err := clusterEnv.Operator.GetLocalSite(context.TODO()) | ||
| if err != nil { | ||
| return nil, trace.Wrap(err) | ||
| } | ||
| return pack.FindLatestPackageCustom(pack.FindLatestPackageRequest{ | ||
| Packages: env.Packages, | ||
| Repository: cluster.Domain, | ||
| Match: process.MatchTeleportConfigPackage(teleportVersion), | ||
| }) | ||
| } | ||
|
|
||
| func findTeleportNodeConfig(env *localenv.LocalEnvironment) (*loc.Locator, error) { | ||
| return pack.FindInstalledConfigPackage(env.Packages, loc.Teleport) | ||
| } |