/
jobtemplate_extensions.go
185 lines (167 loc) · 5.17 KB
/
jobtemplate_extensions.go
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package gcpbatchtracker
import (
"encoding/base64"
"fmt"
"strconv"
"strings"
"encoding/json"
"github.com/dgruber/drmaa2interface"
)
const (
ExtensionProlog = "prolog"
ExtensionEpilog = "epilog"
ExtensionSpot = "spot"
ExtensionAccelerators = "accelerators"
ExtensionTasksPerNode = "tasks_per_node"
ExtensionDockerOptions = "docker_options"
ExtensionGoogleSecretEnv = "secret_env"
)
func GetMachinePrologExtension(jt drmaa2interface.JobTemplate) (string, bool) {
if jt.ExtensionList == nil {
return "", false
}
extension, hasExtensions := jt.ExtensionList[ExtensionProlog]
return extension, hasExtensions
}
func SetMachinePrologExtension(jt drmaa2interface.JobTemplate, prolog string) drmaa2interface.JobTemplate {
if jt.ExtensionList == nil {
jt.ExtensionList = make(map[string]string)
}
jt.ExtensionList[ExtensionProlog] = prolog
return jt
}
func GetMachineEpilogExtension(jt drmaa2interface.JobTemplate) (string, bool) {
if jt.ExtensionList == nil {
return "", false
}
extension, hasExtensions := jt.ExtensionList[ExtensionEpilog]
return extension, hasExtensions
}
func SetMachineEpilogExtension(jt drmaa2interface.JobTemplate, epilog string) drmaa2interface.JobTemplate {
if jt.ExtensionList == nil {
jt.ExtensionList = make(map[string]string)
}
jt.ExtensionList[ExtensionEpilog] = epilog
return jt
}
func GetSpotExtension(jt drmaa2interface.JobTemplate) (bool, bool) {
if jt.ExtensionList == nil {
return false, false
}
extension, hasExtensions := jt.ExtensionList[ExtensionSpot]
if hasExtensions {
if isSpot, _ := strconv.ParseBool(extension); isSpot {
return true, true
}
return false, true
}
return false, false
}
func SetSpotExtension(jt drmaa2interface.JobTemplate, isSpot bool) drmaa2interface.JobTemplate {
if jt.ExtensionList == nil && isSpot {
jt.ExtensionList = make(map[string]string)
}
if isSpot {
jt.ExtensionList[ExtensionSpot] = "true"
} else if jt.ExtensionList != nil {
delete(jt.ExtensionList, ExtensionSpot)
}
return jt
}
func GetAcceleratorsExtension(jt drmaa2interface.JobTemplate) (string, int64, bool) {
if jt.ExtensionList == nil {
return "", 0, false
}
extension, hasExtensions := jt.ExtensionList[ExtensionAccelerators]
if hasExtensions {
a := strings.Split(extension, "*")
if len(a) >= 2 {
count, _ := strconv.ParseInt(a[0], 10, 64)
return a[1], count, true
}
return extension, 1, true
}
return "", 0, false
}
func SetAcceleratorsExtension(jt drmaa2interface.JobTemplate, count int64, accelerator string) drmaa2interface.JobTemplate {
if count > 0 {
if jt.ExtensionList == nil {
jt.ExtensionList = make(map[string]string)
}
jt.ExtensionList[ExtensionAccelerators] = strconv.FormatInt(count, 10) + "*" + accelerator
}
return jt
}
func GetTasksPerNodeExtension(jt drmaa2interface.JobTemplate) (int64, bool) {
if jt.ExtensionList == nil {
return 1, false
}
extension, hasExtensions := jt.ExtensionList[ExtensionTasksPerNode]
if hasExtensions {
count, _ := strconv.ParseInt(extension, 10, 64)
return count, true
}
return 1, false
}
func SetTasksPerNodeExtension(jt drmaa2interface.JobTemplate, count int64) drmaa2interface.JobTemplate {
if count > 0 {
if jt.ExtensionList == nil {
jt.ExtensionList = make(map[string]string)
}
jt.ExtensionList[ExtensionTasksPerNode] = strconv.FormatInt(count, 10)
}
return jt
}
func GetDockerOptionsExtension(jt drmaa2interface.JobTemplate) (string, bool) {
if jt.ExtensionList == nil {
return "", false
}
extension, hasExtensions := jt.ExtensionList[ExtensionDockerOptions]
return extension, hasExtensions
}
func SetDockerOptionsExtension(jt drmaa2interface.JobTemplate, dockerOptions string) drmaa2interface.JobTemplate {
if jt.ExtensionList == nil {
jt.ExtensionList = make(map[string]string)
}
jt.ExtensionList[ExtensionDockerOptions] = dockerOptions
return jt
}
// SetSecretEnvironmentVariables sets environment variables which are
// retrieved from Google Secret Manager as JobTemplate extenion.
// The map key is the environment variable name and the value is the
// path to the secret (like "projects/dev/secrets/secret_message/versions/1")
func SetSecretEnvironmentVariables(jt drmaa2interface.JobTemplate, secretEnv map[string]string) (drmaa2interface.JobTemplate, error) {
if jt.ExtensionList == nil {
jt.ExtensionList = make(map[string]string)
}
// convert to JSON
encoded, err := json.Marshal(secretEnv)
if err != nil {
return jt, fmt.Errorf("could not encode secret environment variables: %v", err)
}
// base64 envoding for encoded
b64Secrets := base64.StdEncoding.EncodeToString(encoded)
jt.ExtensionList[ExtensionGoogleSecretEnv] = b64Secrets
return jt, nil
}
func GetSecretEnvironmentVariables(jt drmaa2interface.JobTemplate) (map[string]string, bool) {
if jt.ExtensionList == nil {
return nil, false
}
secretEnv, hasSecretEnv := jt.ExtensionList[ExtensionGoogleSecretEnv]
if !hasSecretEnv {
return nil, false
}
// decode base64
decoded, err := base64.StdEncoding.DecodeString(secretEnv)
if err != nil {
return nil, false
}
// convert from JSON
var secretEnvMap map[string]string
err = json.Unmarshal(decoded, &secretEnvMap)
if err != nil {
return nil, false
}
return secretEnvMap, true
}