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feat: add audit module and support audit for clusters
a new module tke-audit-api added. all audit event will be processed by tke-audit-api and store in es. Signed-off-by: forrestchen <[email protected]>
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| # Tencent is pleased to support the open source community by making TKEStack | ||
| # available. | ||
| # | ||
| # Copyright (C) 2012-2019 Tencent. All Rights Reserved. | ||
| # | ||
| # 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 | ||
| # | ||
| # https://opensource.org/licenses/Apache-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 OF ANY KIND, either express or implied. See the License for the | ||
| # specific language governing permissions and limitations under the License. | ||
|
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| FROM BASE_IMAGE | ||
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| RUN echo "hosts: files dns" >> /etc/nsswitch.conf | ||
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| WORKDIR /app | ||
| ADD tke-audit-api /app/bin/ | ||
| ENTRYPOINT ["/app/bin/tke-audit-api"] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| /* | ||
| * Tencent is pleased to support the open source community by making TKEStack | ||
| * available. | ||
| * | ||
| * Copyright (C) 2012-2019 Tencent. All Rights Reserved. | ||
| * | ||
| * 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 | ||
| * | ||
| * https://opensource.org/licenses/Apache-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 OF ANY KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations under the License. | ||
| */ | ||
|
|
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| package app | ||
|
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| import ( | ||
| commonapiserver "k8s.io/apiserver/pkg/server" | ||
| "tkestack.io/tke/cmd/tke-audit-api/app/config" | ||
| "tkestack.io/tke/cmd/tke-audit-api/app/options" | ||
| "tkestack.io/tke/pkg/app" | ||
| "tkestack.io/tke/pkg/util/log" | ||
| ) | ||
|
|
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| const commandDesc = `The application is a audit server. It is responsible for saving the | ||
| audit events and handling events queries` | ||
|
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| // NewApp creates a App object with default parameters. | ||
| func NewApp(basename string) *app.App { | ||
| opts := options.NewOptions(basename) | ||
| application := app.NewApp("Tencent Kubernetes Engine Audit", | ||
| basename, | ||
| app.WithOptions(opts), | ||
| app.WithDescription(commandDesc), | ||
| app.WithRunFunc(run(opts)), | ||
| ) | ||
| return application | ||
| } | ||
|
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| func run(opts *options.Options) app.RunFunc { | ||
| return func(basename string) error { | ||
| log.Init(opts.Log) | ||
| defer log.Flush() | ||
|
|
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| if err := opts.Complete(); err != nil { | ||
| return err | ||
| } | ||
|
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| cfg, err := config.CreateConfigFromOptions(basename, opts) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| stopCh := commonapiserver.SetupSignalHandler() | ||
| return Run(cfg, stopCh) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| /* | ||
| * Tencent is pleased to support the open source community by making TKEStack | ||
| * available. | ||
| * | ||
| * Copyright (C) 2012-2019 Tencent. All Rights Reserved. | ||
| * | ||
| * 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 | ||
| * | ||
| * https://opensource.org/licenses/Apache-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 OF ANY KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations under the License. | ||
| */ | ||
|
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| package config | ||
|
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| import ( | ||
| "fmt" | ||
| genericapiserver "k8s.io/apiserver/pkg/server" | ||
| "k8s.io/kube-openapi/pkg/common" | ||
| "path/filepath" | ||
| generatedopenapi "tkestack.io/tke/api/openapi" | ||
| "tkestack.io/tke/cmd/tke-audit-api/app/options" | ||
| "tkestack.io/tke/pkg/apiserver" | ||
| "tkestack.io/tke/pkg/apiserver/authentication" | ||
| "tkestack.io/tke/pkg/apiserver/authorization" | ||
| "tkestack.io/tke/pkg/apiserver/handler" | ||
| "tkestack.io/tke/pkg/apiserver/openapi" | ||
| audit "tkestack.io/tke/pkg/audit/api" | ||
| auditconfig "tkestack.io/tke/pkg/audit/apis/config" | ||
| "tkestack.io/tke/pkg/audit/apis/config/validation" | ||
| "tkestack.io/tke/pkg/audit/config/configfiles" | ||
| auditopenapi "tkestack.io/tke/pkg/audit/openapi" | ||
| utilfs "tkestack.io/tke/pkg/util/filesystem" | ||
| "tkestack.io/tke/pkg/util/log" | ||
| ) | ||
|
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| const ( | ||
| license = "Apache 2.0" | ||
| title = "Tencent Kubernetes Engine Audit API" | ||
| ) | ||
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| // Config is the running configuration structure of the TKE controller manager. | ||
| type Config struct { | ||
| ServerName string | ||
| GenericAPIServerConfig *genericapiserver.Config | ||
| AuditConfig *auditconfig.AuditConfiguration | ||
| } | ||
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| // CreateConfigFromOptions creates a running configuration instance based | ||
| // on a given TKE apiserver command line or configuration file option. | ||
| func CreateConfigFromOptions(serverName string, opts *options.Options) (*Config, error) { | ||
| auditConfig, err := options.NewAuditConfiguration() | ||
| if err != nil { | ||
| log.Error("Failed create default audit configuration", log.Err(err)) | ||
| return nil, err | ||
| } | ||
|
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| // load config file, if provided | ||
| if configFile := opts.AuditConfig; len(configFile) > 0 { | ||
| auditConfig, err = loadConfigFile(configFile) | ||
| if err != nil { | ||
| log.Error("Failed to load audit configuration file", log.String("configFile", configFile), log.Err(err)) | ||
| return nil, err | ||
| } | ||
| } | ||
| if err := validation.ValidateAuditConfiguration(auditConfig); err != nil { | ||
| log.Error("Failed to validate audit configuration", log.Err(err)) | ||
| return nil, err | ||
| } | ||
|
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| genericAPIServerConfig := genericapiserver.NewConfig(apiserver.Codecs) | ||
| var ignoredAuthPathPrefixes []string | ||
| ignoredAuthPathPrefixes = append(ignoredAuthPathPrefixes, audit.IgnoredAuthPathPrefixes()...) | ||
| genericAPIServerConfig.BuildHandlerChainFunc = handler.BuildHandlerChain(ignoredAuthPathPrefixes) | ||
| genericAPIServerConfig.EnableIndex = false | ||
| genericAPIServerConfig.EnableDiscovery = false | ||
|
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| if err := opts.Generic.ApplyTo(genericAPIServerConfig); err != nil { | ||
| return nil, err | ||
| } | ||
| if err := opts.SecureServing.ApplyTo(&genericAPIServerConfig.SecureServing, &genericAPIServerConfig.LoopbackClientConfig); err != nil { | ||
| return nil, err | ||
| } | ||
|
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| openapi.SetupOpenAPI(genericAPIServerConfig, func(callback common.ReferenceCallback) map[string]common.OpenAPIDefinition { | ||
| result := make(map[string]common.OpenAPIDefinition) | ||
| generated := generatedopenapi.GetOpenAPIDefinitions(callback) | ||
| for k, v := range generated { | ||
| result[k] = v | ||
| } | ||
| customs := auditopenapi.GetOpenAPIDefinitions(callback) | ||
| for k, v := range customs { | ||
| result[k] = v | ||
| } | ||
| return result | ||
| }, title, license, opts.Generic.ExternalHost, opts.Generic.ExternalPort) | ||
|
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| if err := authentication.SetupAuthentication(genericAPIServerConfig, opts.Authentication); err != nil { | ||
| return nil, err | ||
| } | ||
|
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| if err := authorization.SetupAuthorization(genericAPIServerConfig, opts.Authorization); err != nil { | ||
| return nil, err | ||
| } | ||
|
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| return &Config{ | ||
| ServerName: serverName, | ||
| GenericAPIServerConfig: genericAPIServerConfig, | ||
| AuditConfig: auditConfig, | ||
| }, nil | ||
| } | ||
|
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| func loadConfigFile(name string) (*auditconfig.AuditConfiguration, error) { | ||
| const errFmt = "failed to load audit config file %s, error %v" | ||
| // compute absolute path based on current working dir | ||
| auditConfigFile, err := filepath.Abs(name) | ||
| if err != nil { | ||
| return nil, fmt.Errorf(errFmt, name, err) | ||
| } | ||
| loader, err := configfiles.NewFsLoader(utilfs.DefaultFs{}, auditConfigFile) | ||
| if err != nil { | ||
| return nil, fmt.Errorf(errFmt, name, err) | ||
| } | ||
| kc, err := loader.Load() | ||
| if err != nil { | ||
| return nil, fmt.Errorf(errFmt, name, err) | ||
| } | ||
| return kc, err | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| /* | ||
| * Tencent is pleased to support the open source community by making TKEStack | ||
| * available. | ||
| * | ||
| * Copyright (C) 2012-2019 Tencent. All Rights Reserved. | ||
| * | ||
| * 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 | ||
| * | ||
| * https://opensource.org/licenses/Apache-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 OF ANY KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations under the License. | ||
| */ | ||
|
|
||
| package options | ||
|
|
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| import ( | ||
| auditconfig "tkestack.io/tke/pkg/audit/apis/config" | ||
| auditscheme "tkestack.io/tke/pkg/audit/apis/config/scheme" | ||
| auditconfigv1 "tkestack.io/tke/pkg/audit/apis/config/v1" | ||
| ) | ||
|
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| // NewAuditConfiguration will create a new AuditConfiguration with default values | ||
| func NewAuditConfiguration() (*auditconfig.AuditConfiguration, error) { | ||
| scheme, _, err := auditscheme.NewSchemeAndCodecs() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| versioned := &auditconfigv1.AuditConfiguration{} | ||
| scheme.Default(versioned) | ||
| config := &auditconfig.AuditConfiguration{} | ||
| if err := scheme.Convert(versioned, config, nil); err != nil { | ||
| return nil, err | ||
| } | ||
| return config, nil | ||
| } |
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