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runner.go
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runner.go
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package simulator
import (
"fmt"
"path/filepath"
"strings"
"github.com/mattn/go-zglob"
"github.com/pkg/errors"
"github.com/renstrom/shortuuid"
"github.com/spf13/viper"
"github.com/armadaproject/armada/internal/armada/configuration"
"github.com/armadaproject/armada/internal/common/armadacontext"
commonconfig "github.com/armadaproject/armada/internal/common/config"
)
func Simulate(ctx *armadacontext.Context, clusterSpecsPattern, workloadSpecsPattern, schedulingConfigsPattern string) error {
clusterSpecs, err := ClusterSpecsFromPattern(clusterSpecsPattern)
if err != nil {
return err
}
workloadSpecs, err := WorkloadsFromPattern(workloadSpecsPattern)
if err != nil {
return err
}
schedulingConfigs, err := SchedulingConfigsFromPattern(schedulingConfigsPattern)
if err != nil {
return err
}
g, ctx := armadacontext.ErrGroup(ctx)
for _, clusterSpec := range clusterSpecs {
for _, workloadSpec := range workloadSpecs {
for _, schedulingConfig := range schedulingConfigs {
s, err := NewSimulator(clusterSpec, workloadSpec, schedulingConfig)
if err != nil {
return err
}
g.Go(func() error {
return s.Run(ctx)
})
}
}
}
return g.Wait()
}
func SchedulingConfigsByFilePathFromPattern(pattern string) (map[string]configuration.SchedulingConfig, error) {
filePaths, err := zglob.Glob(pattern)
if err != nil {
return nil, errors.WithStack(err)
}
filePathConfigMap := make(map[string]configuration.SchedulingConfig)
for _, path := range filePaths {
config, err := SchedulingConfigsFromFilePaths(filePaths)
if err != nil {
return nil, err
}
filePathConfigMap[path] = config[0]
}
return filePathConfigMap, nil
}
func SchedulingConfigsFromPattern(pattern string) ([]configuration.SchedulingConfig, error) {
filePaths, err := zglob.Glob(pattern)
if err != nil {
return nil, errors.WithStack(err)
}
return SchedulingConfigsFromFilePaths(filePaths)
}
func SchedulingConfigsFromFilePaths(filePaths []string) ([]configuration.SchedulingConfig, error) {
rv := make([]configuration.SchedulingConfig, len(filePaths))
for i, filePath := range filePaths {
config, err := SchedulingConfigFromFilePath(filePath)
if err != nil {
return nil, err
}
rv[i] = config
}
return rv, nil
}
func SchedulingConfigFromFilePath(filePath string) (configuration.SchedulingConfig, error) {
config := configuration.SchedulingConfig{}
v := viper.NewWithOptions(viper.KeyDelimiter("::"))
v.SetConfigFile(filePath)
if err := v.ReadInConfig(); err != nil {
err = errors.WithMessagef(err, "failed to read in SchedulingConfig %s", filePath)
return config, errors.WithStack(err)
}
if err := v.Unmarshal(&config, commonconfig.CustomHooks...); err != nil {
err = errors.WithMessagef(err, "failed to unmarshal SchedulingConfig %s", filePath)
return config, errors.WithStack(err)
}
return config, nil
}
func ClusterSpecsFromPattern(pattern string) ([]*ClusterSpec, error) {
filePaths, err := zglob.Glob(pattern)
if err != nil {
return nil, errors.WithStack(err)
}
return ClusterSpecsFromFilePaths(filePaths)
}
func WorkloadsFromPattern(pattern string) ([]*WorkloadSpec, error) {
filePaths, err := zglob.Glob(pattern)
if err != nil {
return nil, errors.WithStack(err)
}
return WorkloadSpecsFromFilePaths(filePaths)
}
func ClusterSpecsFromFilePaths(filePaths []string) ([]*ClusterSpec, error) {
rv := make([]*ClusterSpec, len(filePaths))
for i, filePath := range filePaths {
clusterSpec, err := ClusterSpecFromFilePath(filePath)
if err != nil {
return nil, err
}
rv[i] = clusterSpec
}
return rv, nil
}
func WorkloadSpecsFromFilePaths(filePaths []string) ([]*WorkloadSpec, error) {
rv := make([]*WorkloadSpec, len(filePaths))
for i, filePath := range filePaths {
workloadSpec, err := WorkloadSpecFromFilePath(filePath)
if err != nil {
return nil, err
}
rv[i] = workloadSpec
}
return rv, nil
}
func ClusterSpecFromFilePath(filePath string) (*ClusterSpec, error) {
rv := &ClusterSpec{}
v := viper.NewWithOptions(viper.KeyDelimiter("::"))
v.SetConfigFile(filePath)
if err := v.ReadInConfig(); err != nil {
err = errors.WithMessagef(err, "failed to read in ClusterSpec %s", filePath)
return nil, errors.WithStack(err)
}
if err := v.Unmarshal(rv, commonconfig.CustomHooks...); err != nil {
err = errors.WithMessagef(err, "failed to unmarshal ClusterSpec %s", filePath)
return nil, errors.WithStack(err)
}
// If no test name is provided, set it to be the filename.
if rv.Name == "" {
fileName := filepath.Base(filePath)
fileName = strings.TrimSuffix(fileName, filepath.Ext(fileName))
rv.Name = fileName
}
initialiseClusterSpec(rv)
return rv, nil
}
func WorkloadSpecFromFilePath(filePath string) (*WorkloadSpec, error) {
rv := &WorkloadSpec{}
v := viper.NewWithOptions(viper.KeyDelimiter("::"))
v.SetConfigFile(filePath)
if err := v.ReadInConfig(); err != nil {
err = errors.WithMessagef(err, "failed to read in WorkloadSpec %s", filePath)
return nil, errors.WithStack(err)
}
if err := v.Unmarshal(rv, commonconfig.CustomHooks...); err != nil {
err = errors.WithMessagef(err, "failed to unmarshal WorkloadSpec %s", filePath)
return nil, errors.WithStack(err)
}
// If no test name is provided, set it to be the filename.
if rv.Name == "" {
fileName := filepath.Base(filePath)
fileName = strings.TrimSuffix(fileName, filepath.Ext(fileName))
rv.Name = fileName
}
// Generate random ids for any job templates without an explicitly set id.
for _, queue := range rv.Queues {
for j, jobTemplate := range queue.JobTemplates {
if jobTemplate.Id == "" {
jobTemplate.Id = shortuuid.New()
}
queue.JobTemplates[j] = jobTemplate
}
}
initialiseWorkloadSpec(rv)
return rv, nil
}
func initialiseClusterSpec(clusterSpec *ClusterSpec) {
// Assign names to executors with none specified.
for _, pool := range clusterSpec.Pools {
for i, executorGroup := range pool.ClusterGroups {
for j, executor := range executorGroup.Clusters {
if executor.Name == "" {
executor.Name = fmt.Sprintf("%s-%d-%d", pool.Name, i, j)
}
}
}
}
}
func initialiseWorkloadSpec(workloadSpec *WorkloadSpec) {
// Assign names to jobTemplates with none specified.
for _, queue := range workloadSpec.Queues {
for i, jobTemplate := range queue.JobTemplates {
if jobTemplate.Id == "" {
jobTemplate.Id = fmt.Sprintf("%s-%d", queue.Name, i)
}
jobTemplate.Queue = queue.Name
}
}
}