/usr/share/gocode/src/github.com/ctdk/goiardi/environment/environment.go is in golang-github-ctdk-goiardi-dev 0.11.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* Copyright (c) 2013-2016, Jeremy Bingham (<jeremy@goiardi.gl>)
*
* 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 environment provides... environments. They're like roles, but more
// so, except without run lists. They're a convenient way to share many
// attributes and cookbook version constraints among many servers.
package environment
import (
"database/sql"
"fmt"
"github.com/ctdk/goiardi/config"
"github.com/ctdk/goiardi/cookbook"
"github.com/ctdk/goiardi/datastore"
"github.com/ctdk/goiardi/indexer"
"github.com/ctdk/goiardi/util"
"net/http"
"sort"
)
// ChefEnvironment is a collection of attributes and cookbook versions for
// organizing how nodes are deployed.
type ChefEnvironment struct {
Name string `json:"name"`
ChefType string `json:"chef_type"`
JSONClass string `json:"json_class"`
Description string `json:"description"`
Default map[string]interface{} `json:"default_attributes"`
Override map[string]interface{} `json:"override_attributes"`
CookbookVersions map[string]string `json:"cookbook_versions"`
}
// New creates a new environment, returning an error if the environment already
// exists or you try to create an environment named "_default".
func New(name string) (*ChefEnvironment, util.Gerror) {
if !util.ValidateEnvName(name) {
err := util.Errorf("Field 'name' invalid")
err.SetStatus(http.StatusBadRequest)
return nil, err
}
var found bool
if config.UsingDB() {
var eerr error
found, eerr = checkForEnvironmentSQL(datastore.Dbh, name)
if eerr != nil {
err := util.CastErr(eerr)
err.SetStatus(http.StatusInternalServerError)
return nil, err
}
} else {
ds := datastore.New()
_, found = ds.Get("env", name)
}
if found || name == "_default" {
err := util.Errorf("Environment already exists")
return nil, err
}
env := &ChefEnvironment{
Name: name,
ChefType: "environment",
JSONClass: "Chef::Environment",
Default: map[string]interface{}{},
Override: map[string]interface{}{},
CookbookVersions: map[string]string{},
}
return env, nil
}
// NewFromJSON creates a new environment from JSON uploaded to the server.
func NewFromJSON(jsonEnv map[string]interface{}) (*ChefEnvironment, util.Gerror) {
env, err := New(jsonEnv["name"].(string))
if err != nil {
return nil, err
}
err = env.UpdateFromJSON(jsonEnv)
if err != nil {
return nil, err
}
return env, nil
}
// UpdateFromJSON updates an existing environment from JSON uploaded to the
// server.
func (e *ChefEnvironment) UpdateFromJSON(jsonEnv map[string]interface{}) util.Gerror {
if e.Name != jsonEnv["name"].(string) {
err := util.Errorf("Environment name %s and %s from JSON do not match", e.Name, jsonEnv["name"].(string))
return err
} else if e.Name == "_default" {
err := util.Errorf("The '_default' environment cannot be modified.")
err.SetStatus(http.StatusMethodNotAllowed)
return err
}
/* Validations */
validElements := []string{"name", "chef_type", "json_class", "description", "default_attributes", "override_attributes", "cookbook_versions"}
ValidElem:
for k := range jsonEnv {
for _, i := range validElements {
if k == i {
continue ValidElem
}
}
err := util.Errorf("Invalid key %s in request body", k)
return err
}
var verr util.Gerror
attrs := []string{"default_attributes", "override_attributes"}
for _, a := range attrs {
jsonEnv[a], verr = util.ValidateAttributes(a, jsonEnv[a])
if verr != nil {
return verr
}
}
jsonEnv["json_class"], verr = util.ValidateAsFieldString(jsonEnv["json_class"])
if verr != nil {
if verr.Error() == "Field 'name' nil" {
jsonEnv["json_class"] = e.JSONClass
} else {
return verr
}
} else {
if jsonEnv["json_class"].(string) != "Chef::Environment" {
verr = util.Errorf("Field 'json_class' invalid")
return verr
}
}
jsonEnv["chef_type"], verr = util.ValidateAsFieldString(jsonEnv["chef_type"])
if verr != nil {
if verr.Error() == "Field 'name' nil" {
jsonEnv["chef_type"] = e.ChefType
} else {
return verr
}
} else {
if jsonEnv["chef_type"].(string) != "environment" {
verr = util.Errorf("Field 'chef_type' invalid")
return verr
}
}
jsonEnv["cookbook_versions"], verr = util.ValidateAttributes("cookbook_versions", jsonEnv["cookbook_versions"])
if verr != nil {
return verr
}
for k, v := range jsonEnv["cookbook_versions"].(map[string]interface{}) {
if !util.ValidateEnvName(k) || k == "" {
merr := util.Errorf("Cookbook name %s invalid", k)
merr.SetStatus(http.StatusBadRequest)
return merr
}
if v == nil {
verr = util.Errorf("Invalid version number")
return verr
}
_, verr = util.ValidateAsConstraint(v)
if verr != nil {
/* try validating as a version */
v, verr = util.ValidateAsVersion(v)
if verr != nil {
return verr
}
}
}
jsonEnv["description"], verr = util.ValidateAsString(jsonEnv["description"])
if verr != nil {
if verr.Error() == "Field 'name' missing" {
jsonEnv["description"] = ""
} else {
return verr
}
}
e.ChefType = jsonEnv["chef_type"].(string)
e.JSONClass = jsonEnv["json_class"].(string)
e.Description = jsonEnv["description"].(string)
e.Default = jsonEnv["default_attributes"].(map[string]interface{})
e.Override = jsonEnv["override_attributes"].(map[string]interface{})
/* clear out, then loop over the cookbook versions */
e.CookbookVersions = make(map[string]string, len(jsonEnv["cookbook_versions"].(map[string]interface{})))
for c, v := range jsonEnv["cookbook_versions"].(map[string]interface{}) {
e.CookbookVersions[c] = v.(string)
}
return nil
}
// Get an environment.
func Get(envName string) (*ChefEnvironment, util.Gerror) {
if envName == "_default" {
return defaultEnvironment(), nil
}
var env *ChefEnvironment
var found bool
if config.UsingDB() {
var err error
env, err = getEnvironmentSQL(envName)
if err != nil {
var gerr util.Gerror
if err != sql.ErrNoRows {
gerr = util.CastErr(err)
gerr.SetStatus(http.StatusInternalServerError)
return nil, gerr
}
found = false
} else {
found = true
}
} else {
ds := datastore.New()
var e interface{}
e, found = ds.Get("env", envName)
if e != nil {
env = e.(*ChefEnvironment)
}
}
if !found {
err := util.Errorf("Cannot load environment %s", envName)
err.SetStatus(http.StatusNotFound)
return nil, err
}
return env, nil
}
// GetMulti gets multiple environmets from a given slice of environment names.
func GetMulti(envNames []string) ([]*ChefEnvironment, util.Gerror) {
var envs []*ChefEnvironment
if config.UsingDB() {
var err error
envs, err = getMultiSQL(envNames)
if err != nil && err != sql.ErrNoRows {
return nil, util.CastErr(err)
}
} else {
envs = make([]*ChefEnvironment, 0, len(envNames))
for _, e := range envNames {
eo, _ := Get(e)
if eo != nil {
envs = append(envs, eo)
}
}
}
return envs, nil
}
// MakeDefaultEnvironment creates the default environment on startup.
func MakeDefaultEnvironment() {
var de *ChefEnvironment
if config.UsingDB() {
// The default environment is pre-created in the db schema when
// it's loaded. Re-indexing the default environment doesn't
// hurt anything though, so just get the usual default env and
// index it, not bothering with these other steps that are
// easier to do with the in-memory mode.
de = defaultEnvironment()
} else {
ds := datastore.New()
// only create the new default environment if we don't already have one
// saved
if _, found := ds.Get("env", "_default"); found {
return
}
de = defaultEnvironment()
ds.Set("env", de.Name, de)
}
indexer.IndexObj(de)
}
func defaultEnvironment() *ChefEnvironment {
return &ChefEnvironment{
Name: "_default",
ChefType: "environment",
JSONClass: "Chef::Environment",
Description: "The default Chef environment",
Default: map[string]interface{}{},
Override: map[string]interface{}{},
CookbookVersions: map[string]string{},
}
}
// Save the environment. Returns an error if you try to save the "_default"
// environment.
func (e *ChefEnvironment) Save() util.Gerror {
if e.Name == "_default" {
err := util.Errorf("The '_default' environment cannot be modified.")
err.SetStatus(http.StatusMethodNotAllowed)
return err
}
if config.Config.UseMySQL {
err := e.saveEnvironmentMySQL()
if err != nil {
return err
}
} else if config.Config.UsePostgreSQL {
err := e.saveEnvironmentPostgreSQL()
if err != nil {
return err
}
} else {
ds := datastore.New()
ds.Set("env", e.Name, e)
}
indexer.IndexObj(e)
return nil
}
// Delete the environment, returning an error if you try to delete the
// "_default" environment.
func (e *ChefEnvironment) Delete() error {
if e.Name == "_default" {
err := fmt.Errorf("The '_default' environment cannot be modified.")
return err
}
if config.UsingDB() {
if err := e.deleteEnvironmentSQL(); err != nil {
return nil
}
} else {
ds := datastore.New()
ds.Delete("env", e.Name)
}
indexer.DeleteItemFromCollection("environment", e.Name)
return nil
}
// GetList gets a list of all environments on this server.
func GetList() []string {
var envList []string
if config.UsingDB() {
envList = getEnvironmentList()
} else {
ds := datastore.New()
envList = ds.GetList("env")
envList = append(envList, "_default")
}
return envList
}
// GetName returns the environment's name.
func (e *ChefEnvironment) GetName() string {
return e.Name
}
// URLType returns the base of an environment's URL.
func (e *ChefEnvironment) URLType() string {
return "environments"
}
func (e *ChefEnvironment) cookbookList() []*cookbook.Cookbook {
return cookbook.AllCookbooks()
}
// AllCookbookHash returns a hash of the cookbooks and their versions available
// to this environment.
func (e *ChefEnvironment) AllCookbookHash(numVersions interface{}) map[string]interface{} {
cbHash := make(map[string]interface{})
cbList := e.cookbookList()
for _, cb := range cbList {
if cb == nil {
continue
}
cbHash[cb.Name] = cb.ConstrainedInfoHash(numVersions, e.CookbookVersions[cb.Name])
}
return cbHash
}
// RecipeList gets a list of recipes available to this environment.
func (e *ChefEnvironment) RecipeList() []string {
recipeList := make(map[string]string)
cbList := e.cookbookList()
for _, cb := range cbList {
if cb == nil {
continue
}
cbv := cb.LatestConstrained(e.CookbookVersions[cb.Name])
if cbv == nil {
continue
}
rlist, _ := cbv.RecipeList()
for _, recipe := range rlist {
recipeList[recipe] = recipe
}
}
sortedRecipes := make([]string, len(recipeList))
i := 0
for k := range recipeList {
sortedRecipes[i] = k
i++
}
sort.Strings(sortedRecipes)
return sortedRecipes
}
/* Search indexing methods */
// DocID returns the environment's name.
func (e *ChefEnvironment) DocID() string {
return e.Name
}
// Index returns the environment's type so the indexer knows where it should go.
func (e *ChefEnvironment) Index() string {
return "environment"
}
// Flatten the environment so it's suitable for indexing.
func (e *ChefEnvironment) Flatten() map[string]interface{} {
return util.FlattenObj(e)
}
// AllEnvironments returns a slice of all environments on this server.
func AllEnvironments() []*ChefEnvironment {
var environments []*ChefEnvironment
if config.UsingDB() {
environments = allEnvironmentsSQL()
} else {
envList := GetList()
for _, e := range envList {
en, err := Get(e)
if err != nil {
continue
}
environments = append(environments, en)
}
}
return environments
}
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