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authorKiran Kamineni <kiran.k.kamineni@intel.com>2019-05-15 16:47:39 -0700
committerKiran Kamineni <kiran.k.kamineni@intel.com>2019-05-15 16:47:49 -0700
commit401aba14c5f5e55480afb491af2bf953cabc6ac2 (patch)
tree0a0d855f97f749ed3b8020ac4f5d99528948fa8a /src/k8splugin/internal/rb/config.go
parent881bb510d7f0b7a3f1110589e8aa3596e655e38c (diff)
Move config to app and connect to instance
Move config instantiation to app and connect it to the instance to allow updates and so on. Issue-ID: MULTICLOUD-464 Change-Id: Ic994ef78a6e0d2db5e695e33b7b8a302c74c10da Signed-off-by: Kiran Kamineni <kiran.k.kamineni@intel.com>
Diffstat (limited to 'src/k8splugin/internal/rb/config.go')
-rw-r--r--src/k8splugin/internal/rb/config.go436
1 files changed, 0 insertions, 436 deletions
diff --git a/src/k8splugin/internal/rb/config.go b/src/k8splugin/internal/rb/config.go
deleted file mode 100644
index 3bd8347b..00000000
--- a/src/k8splugin/internal/rb/config.go
+++ /dev/null
@@ -1,436 +0,0 @@
-/*
- * Copyright 2018 Intel Corporation, 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 rb
-
-import (
- pkgerrors "github.com/pkg/errors"
- "k8splugin/internal/db"
- "strconv"
- "strings"
-)
-
-// Config contains the parameters needed for configuration
-type Config struct {
- ConfigName string `json:"config-name"`
- TemplateName string `json:"template-name"`
- Description string `json:"description"`
- Values map[string]interface{} `json:"values"`
-}
-
-//ConfigResult output for Create, Update and delete
-type ConfigResult struct {
- DefinitionName string `json:"rb-name"`
- DefinitionVersion string `json:"rb-version"`
- ProfileName string `json:"profile-name"`
- ConfigName string `json:"config-name"`
- TemplateName string `json:"template-name"`
- ConfigVersion uint `json:"config-verion"`
-}
-
-//ConfigRollback input
-type ConfigRollback struct {
- AnyOf struct {
- ConfigVersion string `json:"config-version,omitempty"`
- ConfigTag string `json:"config-tag,omitempty"`
- } `json:"anyOf"`
-}
-
-//ConfigTagit for Tagging configurations
-type ConfigTagit struct {
- TagName string `json:"tag-name"`
-}
-
-// ConfigManager is an interface exposes the config functionality
-type ConfigManager interface {
- Create(rbName, rbVersion, profileName string, p Config) (ConfigResult, error)
- Get(rbName, rbVersion, profileName, configName string) (Config, error)
- Help() map[string]string
- Update(rbName, rbVersion, profileName, configName string, p Config) (ConfigResult, error)
- Delete(rbName, rbVersion, profileName, configName string) (ConfigResult, error)
- Rollback(rbName, rbVersion, profileName string, p ConfigRollback) error
- Tagit(rbName, rbVersion, profileName string, p ConfigTagit) error
-}
-
-// ConfigClient implements the ConfigManager
-// It will also be used to maintain some localized state
-type ConfigClient struct {
- tagTag string
-}
-
-// NewConfigClient returns an instance of the ConfigClient
-// which implements the ConfigManager
-func NewConfigClient() *ConfigClient {
- return &ConfigClient{
- tagTag: "tag",
- }
-}
-
-// Help returns some information on how to create the content
-// for the config in the form of html formatted page
-func (v *ConfigClient) Help() map[string]string {
- ret := make(map[string]string)
-
- return ret
-}
-
-// Create an entry for the config in the database
-func (v *ConfigClient) Create(rbName, rbVersion, profileName string, p Config) (ConfigResult, error) {
-
- // Check required fields
- if p.ConfigName == "" || p.TemplateName == "" || len(p.Values) == 0 {
- return ConfigResult{}, pkgerrors.New("Incomplete Configuration Provided")
- }
- cs := ConfigStore{
- rbName: rbName,
- rbVersion: rbVersion,
- profileName: profileName,
- configName: p.ConfigName,
- }
- _, err := cs.getConfig()
- if err == nil {
- return ConfigResult{}, pkgerrors.Wrap(err, "Create Error - Config exists")
- } else {
- if strings.Contains(err.Error(), "Key doesn't exist") == false {
- return ConfigResult{}, pkgerrors.Wrap(err, "Create Error")
- }
- }
- lock, profileChannel := getProfileData(rbName + rbVersion + profileName)
- // Acquire per profile Mutex
- lock.Lock()
- defer lock.Unlock()
- err = applyConfig(rbName, rbVersion, profileName, p, profileChannel, "POST")
- if err != nil {
- return ConfigResult{}, pkgerrors.Wrap(err, "Apply Config failed")
- }
- // Create Config DB Entry
- err = cs.createConfig(p)
- if err != nil {
- return ConfigResult{}, pkgerrors.Wrap(err, "Create Config DB Entry")
- }
- // Create Version Entry in DB for Config
- cvs := ConfigVersionStore{
- rbName: rbName,
- rbVersion: rbVersion,
- profileName: profileName,
- }
- version, err := cvs.createConfigVersion(p, Config{}, "POST")
- if err != nil {
- return ConfigResult{}, pkgerrors.Wrap(err, "Create Config Version DB Entry")
- }
- // Create Result structure
- cfgRes := ConfigResult{
- DefinitionName: rbName,
- DefinitionVersion: rbVersion,
- ProfileName: profileName,
- ConfigName: p.ConfigName,
- TemplateName: p.TemplateName,
- ConfigVersion: version,
- }
- return cfgRes, nil
-}
-
-// Update an entry for the config in the database
-func (v *ConfigClient) Update(rbName, rbVersion, profileName, configName string, p Config) (ConfigResult, error) {
-
- // Check required fields
- if len(p.Values) == 0 {
- return ConfigResult{}, pkgerrors.New("Incomplete Configuration Provided")
- }
- // Check if Config exists
- cs := ConfigStore{
- rbName: rbName,
- rbVersion: rbVersion,
- profileName: profileName,
- configName: configName,
- }
- _, err := cs.getConfig()
- if err != nil {
- return ConfigResult{}, pkgerrors.Wrap(err, "Update Error - Config doesn't exist")
- }
- lock, profileChannel := getProfileData(rbName + rbVersion + profileName)
- // Acquire per profile Mutex
- lock.Lock()
- defer lock.Unlock()
- err = applyConfig(rbName, rbVersion, profileName, p, profileChannel, "PUT")
- if err != nil {
- return ConfigResult{}, pkgerrors.Wrap(err, "Apply Config failed")
- }
- // Update Config DB Entry
- configPrev, err := cs.updateConfig(p)
- if err != nil {
- return ConfigResult{}, pkgerrors.Wrap(err, "Update Config DB Entry")
- }
- // Create Version Entry in DB for Config
- cvs := ConfigVersionStore{
- rbName: rbName,
- rbVersion: rbVersion,
- profileName: profileName,
- }
- version, err := cvs.createConfigVersion(p, configPrev, "PUT")
- if err != nil {
- return ConfigResult{}, pkgerrors.Wrap(err, "Create Config Version DB Entry")
- }
- // Create Result structure
- cfgRes := ConfigResult{
- DefinitionName: rbName,
- DefinitionVersion: rbVersion,
- ProfileName: profileName,
- ConfigName: p.ConfigName,
- TemplateName: p.TemplateName,
- ConfigVersion: version,
- }
- return cfgRes, nil
-}
-
-// Get config entry in the database
-func (v *ConfigClient) Get(rbName, rbVersion, profileName, configName string) (Config, error) {
-
- // Acquire per profile Mutex
- lock, _ := getProfileData(rbName + rbVersion + profileName)
- lock.Lock()
- defer lock.Unlock()
- // Read Config DB
- cs := ConfigStore{
- rbName: rbName,
- rbVersion: rbVersion,
- profileName: profileName,
- configName: configName,
- }
- cfg, err := cs.getConfig()
- if err != nil {
- return Config{}, pkgerrors.Wrap(err, "Get Config DB Entry")
- }
- return cfg, nil
-}
-
-// Delete the Config from database
-func (v *ConfigClient) Delete(rbName, rbVersion, profileName, configName string) (ConfigResult, error) {
-
- // Check if Config exists
- cs := ConfigStore{
- rbName: rbName,
- rbVersion: rbVersion,
- profileName: profileName,
- configName: configName,
- }
- p, err := cs.getConfig()
- if err != nil {
- return ConfigResult{}, pkgerrors.Wrap(err, "Update Error - Config doesn't exist")
- }
- lock, profileChannel := getProfileData(rbName + rbVersion + profileName)
- // Acquire per profile Mutex
- lock.Lock()
- defer lock.Unlock()
- err = applyConfig(rbName, rbVersion, profileName, p, profileChannel, "DELETE")
- if err != nil {
- return ConfigResult{}, pkgerrors.Wrap(err, "Apply Config failed")
- }
- // Delete Config from DB
- configPrev, err := cs.deleteConfig()
- if err != nil {
- return ConfigResult{}, pkgerrors.Wrap(err, "Delete Config DB Entry")
- }
- // Create Version Entry in DB for Config
- cvs := ConfigVersionStore{
- rbName: rbName,
- rbVersion: rbVersion,
- profileName: profileName,
- }
- version, err := cvs.createConfigVersion(Config{}, configPrev, "DELETE")
- if err != nil {
- return ConfigResult{}, pkgerrors.Wrap(err, "Delete Config Version DB Entry")
- }
- // Create Result structure
- cfgRes := ConfigResult{
- DefinitionName: rbName,
- DefinitionVersion: rbVersion,
- ProfileName: profileName,
- ConfigName: configName,
- TemplateName: configPrev.TemplateName,
- ConfigVersion: version,
- }
- return cfgRes, nil
-}
-
-// Rollback starts from current version and rollbacks to the version desired
-func (v *ConfigClient) Rollback(rbName, rbVersion, profileName string, rback ConfigRollback) error {
-
- var reqVersion string
- var err error
-
- if rback.AnyOf.ConfigTag != "" {
- reqVersion, err = v.GetTagVersion(rbName, rbVersion, profileName, rback.AnyOf.ConfigTag)
- if err != nil {
- return pkgerrors.Wrap(err, "Rollback Invalid tag")
- }
- } else if rback.AnyOf.ConfigVersion != "" {
- reqVersion = rback.AnyOf.ConfigVersion
- } else {
- return pkgerrors.Errorf("No valid Index for Rollback")
- }
-
- index, err := strconv.Atoi(reqVersion)
- if err != nil {
- return pkgerrors.Wrap(err, "Rollback Invalid Index")
- }
- rollbackIndex := uint(index)
-
- lock, profileChannel := getProfileData(rbName + rbVersion + profileName)
- // Acquire per profile Mutex
- lock.Lock()
- defer lock.Unlock()
-
- cvs := ConfigVersionStore{
- rbName: rbName,
- rbVersion: rbVersion,
- profileName: profileName,
- }
- currentVersion, err := cvs.getCurrentVersion()
- if err != nil {
- return pkgerrors.Wrap(err, "Rollback Get Current Config Version ")
- }
-
- if rollbackIndex < 1 && rollbackIndex >= currentVersion {
- return pkgerrors.Wrap(err, "Rollback Invalid Config Version")
- }
-
- //Rollback all the intermettinent configurations
- for i := currentVersion; i > rollbackIndex; i-- {
- configNew, configPrev, action, err := cvs.getConfigVersion(i)
- if err != nil {
- return pkgerrors.Wrap(err, "Rollback Get Config Version")
- }
- cs := ConfigStore{
- rbName: rbName,
- rbVersion: rbVersion,
- profileName: profileName,
- configName: configNew.ConfigName,
- }
- if action == "PUT" {
- // PUT is proceeded by PUT or POST
- err = applyConfig(rbName, rbVersion, profileName, configPrev, profileChannel, "PUT")
- if err != nil {
- return pkgerrors.Wrap(err, "Apply Config failed")
- }
- _, err = cs.updateConfig(configPrev)
- if err != nil {
- return pkgerrors.Wrap(err, "Update Config DB Entry")
- }
- } else if action == "POST" {
- // POST is always preceeded by Config not existing
- err = applyConfig(rbName, rbVersion, profileName, configNew, profileChannel, "DELETE")
- if err != nil {
- return pkgerrors.Wrap(err, "Delete Config failed")
- }
- _, err = cs.deleteConfig()
- if err != nil {
- return pkgerrors.Wrap(err, "Delete Config DB Entry")
- }
- } else if action == "DELETE" {
- // DELETE is proceeded by PUT or POST
- err = applyConfig(rbName, rbVersion, profileName, configPrev, profileChannel, "PUT")
- if err != nil {
- return pkgerrors.Wrap(err, "Delete Config failed")
- }
- _, err = cs.updateConfig(configPrev)
- if err != nil {
- return pkgerrors.Wrap(err, "Update Config DB Entry")
- }
- }
- }
- for i := currentVersion; i > rollbackIndex; i-- {
- // Delete rolled back items
- err = cvs.deleteConfigVersion()
- if err != nil {
- return pkgerrors.Wrap(err, "Delete Config Version ")
- }
- }
- return nil
-}
-
-// Tagit tags the current version with the tag provided
-func (v *ConfigClient) Tagit(rbName, rbVersion, profileName string, tag ConfigTagit) error {
-
- lock, _ := getProfileData(rbName + rbVersion + profileName)
- // Acquire per profile Mutex
- lock.Lock()
- defer lock.Unlock()
-
- cvs := ConfigVersionStore{
- rbName: rbName,
- rbVersion: rbVersion,
- profileName: profileName,
- }
- currentVersion, err := cvs.getCurrentVersion()
- if err != nil {
- return pkgerrors.Wrap(err, "Get Current Config Version ")
- }
- tagKey := constructKey(rbName, rbVersion, profileName, v.tagTag, tag.TagName)
-
- err = db.Etcd.Put(tagKey, strconv.Itoa(int(currentVersion)))
- if err != nil {
- return pkgerrors.Wrap(err, "TagIt store DB")
- }
- return nil
-}
-
-// GetTagVersion returns the version associated with the tag
-func (v *ConfigClient) GetTagVersion(rbName, rbVersion, profileName, tagName string) (string, error) {
-
- tagKey := constructKey(rbName, rbVersion, profileName, v.tagTag, tagName)
-
- value, err := db.Etcd.Get(tagKey)
- if err != nil {
- return "", pkgerrors.Wrap(err, "Config DB Entry Not found")
- }
- return string(value), nil
-}
-
-// ApplyAllConfig starts from first configuration version and applies all versions in sequence
-func (v *ConfigClient) ApplyAllConfig(rbName, rbVersion, profileName string) error {
-
- lock, profileChannel := getProfileData(rbName + rbVersion + profileName)
- // Acquire per profile Mutex
- lock.Lock()
- defer lock.Unlock()
-
- cvs := ConfigVersionStore{
- rbName: rbName,
- rbVersion: rbVersion,
- profileName: profileName,
- }
- currentVersion, err := cvs.getCurrentVersion()
- if err != nil {
- return pkgerrors.Wrap(err, "Get Current Config Version ")
- }
- if currentVersion < 1 {
- return pkgerrors.Wrap(err, "No Config Version to Apply")
- }
- //Apply all configurations
- var i uint
- for i = 1; i <= currentVersion; i++ {
- configNew, _, action, err := cvs.getConfigVersion(i)
- if err != nil {
- return pkgerrors.Wrap(err, "Get Config Version")
- }
- err = applyConfig(rbName, rbVersion, profileName, configNew, profileChannel, action)
- if err != nil {
- return pkgerrors.Wrap(err, "Apply Config failed")
- }
- }
- return nil
-}