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sap-jenkins-library/pkg/config/evaluation.go

238 lines
7.9 KiB
Go

package config
import (
"encoding/json"
"io"
"path"
"strings"
"github.com/pkg/errors"
)
const (
configCondition = "config"
configKeysCondition = "configKeys"
filePatternFromConfigCondition = "filePatternFromConfig"
filePatternCondition = "filePattern"
npmScriptsCondition = "npmScripts"
)
// EvaluateConditions validates stage conditions and updates runSteps in runConfig
func (r *RunConfig) evaluateConditions(config *Config, filters map[string]StepFilters, parameters map[string][]StepParameters,
secrets map[string][]StepSecrets, stepAliases map[string][]Alias, glob func(pattern string) (matches []string, err error)) error {
for stageName, stepConditions := range r.StageConfig.Stages {
runStep := map[string]bool{}
for stepName, stepCondition := range stepConditions.Conditions {
stepActive := false
stepConfig, err := r.getStepConfig(config, stageName, stepName, filters, parameters, secrets, stepAliases)
if err != nil {
return err
}
if active, ok := stepConfig.Config[stepName].(bool); ok {
// respect explicit activation/de-activation if available
stepActive = active
} else {
for conditionName, condition := range stepCondition {
var err error
switch conditionName {
case configCondition:
if stepActive, err = checkConfig(condition, stepConfig, stepName); err != nil {
return errors.Wrapf(err, "error: check config condition failed")
}
case configKeysCondition:
if stepActive, err = checkConfigKeys(condition, stepConfig, stepName); err != nil {
return errors.Wrapf(err, "error: check configKeys condition failed")
}
case filePatternFromConfigCondition:
if stepActive, err = checkForFilesWithPatternFromConfig(condition, stepConfig, stepName, glob); err != nil {
return errors.Wrapf(err, "error: check filePatternFromConfig condition failed")
}
case filePatternCondition:
if stepActive, err = checkForFilesWithPattern(condition, stepConfig, stepName, glob); err != nil {
return errors.Wrapf(err, "error: check filePattern condition failed")
}
case npmScriptsCondition:
if stepActive, err = checkForNpmScriptsInPackages(condition, stepConfig, stepName, glob, r.OpenFile); err != nil {
return errors.Wrapf(err, "error: check npmScripts condition failed")
}
default:
return errors.Errorf("unknown condition %s", conditionName)
}
if stepActive {
break
}
}
}
runStep[stepName] = stepActive
r.RunSteps[stageName] = runStep
}
}
return nil
}
func checkConfig(condition interface{}, config StepConfig, stepName string) (bool, error) {
switch condition := condition.(type) {
case string:
if configValue := stepConfigLookup(config.Config, stepName, condition); configValue != nil {
return true, nil
}
case map[string]interface{}:
for conditionConfigKey, conditionConfigValue := range condition {
configValue := stepConfigLookup(config.Config, stepName, conditionConfigKey)
if configValue == nil {
return false, nil
}
configValueStr, ok := configValue.(string)
if !ok {
return false, errors.Errorf("error: config value of %v to compare with is not a string", configValue)
}
condConfigValueArr, ok := conditionConfigValue.([]interface{})
if !ok {
return false, errors.Errorf("error: type assertion to []interface{} failed: %T", conditionConfigValue)
}
for _, item := range condConfigValueArr {
itemStr, ok := item.(string)
if !ok {
return false, errors.Errorf("error: type assertion to string failed: %T", conditionConfigValue)
}
if configValueStr == itemStr {
return true, nil
}
}
}
default:
return false, errors.Errorf("error: condidiion type invalid: %T, possible types: string, map[string]interface{}", condition)
}
return false, nil
}
func checkConfigKeys(condition interface{}, config StepConfig, stepName string) (bool, error) {
arrCondition, ok := condition.([]interface{})
if !ok {
return false, errors.Errorf("error: type assertion to []interface{} failed: %T", condition)
}
for _, configKey := range arrCondition {
if configValue := stepConfigLookup(config.Config, stepName, configKey.(string)); configValue != nil {
return true, nil
}
}
return false, nil
}
func checkForFilesWithPatternFromConfig(condition interface{}, config StepConfig, stepName string,
glob func(pattern string) (matches []string, err error)) (bool, error) {
filePatternConfig, ok := condition.(string)
if !ok {
return false, errors.Errorf("error: type assertion to string failed: %T", condition)
}
filePatternFromConfig := stepConfigLookup(config.Config, stepName, filePatternConfig)
if filePatternFromConfig == nil {
return false, nil
}
filePattern, ok := filePatternFromConfig.(string)
if !ok {
return false, errors.Errorf("error: type assertion to string failed: %T", filePatternFromConfig)
}
matches, err := glob(filePattern)
if err != nil {
return false, errors.Wrap(err, "error: failed to check if file-exists")
}
if len(matches) > 0 {
return true, nil
}
return false, nil
}
func checkForFilesWithPattern(condition interface{}, config StepConfig, stepName string,
glob func(pattern string) (matches []string, err error)) (bool, error) {
switch condition := condition.(type) {
case string:
filePattern := condition
matches, err := glob(filePattern)
if err != nil {
return false, errors.Wrap(err, "error: failed to check if file-exists")
}
if len(matches) > 0 {
return true, nil
}
case []interface{}:
filePatterns := condition
for _, filePattern := range filePatterns {
filePatternStr, ok := filePattern.(string)
if !ok {
return false, errors.Errorf("error: type assertion to string failed: %T", filePatternStr)
}
matches, err := glob(filePatternStr)
if err != nil {
return false, errors.Wrap(err, "error: failed to check if file-exists")
}
if len(matches) > 0 {
return true, nil
}
}
default:
return false, errors.Errorf("error: condidiion type invalid: %T, possible types: string, []interface{}", condition)
}
return false, nil
}
func checkForNpmScriptsInPackages(condition interface{}, config StepConfig, stepName string,
glob func(pattern string) (matches []string, err error), openFile func(s string, t map[string]string) (io.ReadCloser, error)) (bool, error) {
packages, err := glob("**/package.json")
if err != nil {
return false, errors.Wrap(err, "error: failed to check if file-exists")
}
for _, pack := range packages {
packDirs := strings.Split(path.Dir(pack), "/")
isNodeModules := false
for _, dir := range packDirs {
if dir == "node_modules" {
isNodeModules = true
break
}
}
if isNodeModules {
continue
}
jsonFile, err := openFile(pack, nil)
if err != nil {
return false, errors.Errorf("error: failed to open file %s: %v", pack, err)
}
defer jsonFile.Close()
packageJSON := map[string]interface{}{}
if err := json.NewDecoder(jsonFile).Decode(&packageJSON); err != nil {
return false, errors.Errorf("error: failed to unmarshal json file %s: %v", pack, err)
}
npmScripts, ok := packageJSON["scripts"]
if !ok {
continue
}
scriptsMap, ok := npmScripts.(map[string]interface{})
if !ok {
return false, errors.Errorf("error: type assertion to map[string]interface{} failed: %T", npmScripts)
}
switch condition := condition.(type) {
case string:
if _, ok := scriptsMap[condition]; ok {
return true, nil
}
case []interface{}:
for _, conditionNpmScript := range condition {
conditionNpmScriptStr, ok := conditionNpmScript.(string)
if !ok {
return false, errors.Errorf("error: type assertion to string failed: %T", conditionNpmScript)
}
if _, ok := scriptsMap[conditionNpmScriptStr]; ok {
return true, nil
}
}
default:
return false, errors.Errorf("error: condidiion type invalid: %T, possible types: string, []interface{}", condition)
}
}
return false, nil
}