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validate.go
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validate.go
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package spec
import (
"fmt"
"github.com/deviceplane/controller/pkg/validation"
"gopkg.in/yaml.v2"
)
var (
validators = map[string][]func(interface{}) error{
"cap_add": {validation.ValidateStringArray},
"cap_drop": {validation.ValidateStringArray},
"command": {validation.ValidateStringOrStringArray},
"cpuset": {validation.ValidateString},
"cpu_shares": {validation.ValidateStringOrInteger},
"cpu_quota": {validation.ValidateStringOrInteger},
"devices": {validation.ValidateStringArray},
"dns": {validation.ValidateStringOrStringArray},
"dns_opt": {validation.ValidateStringOrStringArray},
"dns_search": {validation.ValidateStringOrStringArray},
"domainname": {validation.ValidateString},
"entrypoint": {validation.ValidateStringOrStringArray},
"environment": {validation.ValidateArrayOrObject},
"extra_hosts": {validation.ValidateArrayOrObject},
"group_add": {validation.ValidateStringIntegerArray},
"image": {validation.ValidateString},
"hostname": {validation.ValidateString},
"ipc": {validation.ValidateString},
"labels": {validation.ValidateArrayOrObject},
"mem_limit": {validation.ValidateStringOrInteger},
"mem_reservation": {validation.ValidateStringOrInteger},
"memswap_limit": {validation.ValidateStringOrInteger},
"network_mode": {validation.ValidateString},
"oom_kill_disable": {validation.ValidateBoolean},
"oom_score_adj": {validation.ValidateInteger},
"pid": {validation.ValidateString},
"ports": {validation.ValidateStringIntegerArray},
"privileged": {validation.ValidateBoolean},
"read_only": {validation.ValidateBoolean},
"restart": {validation.ValidateString},
"runtime": {validation.ValidateString},
"security_opt": {validation.ValidateStringArray},
"shm_size": {validation.ValidateStringOrInteger},
"stop_signal": {validation.ValidateString},
"user": {validation.ValidateString},
"uts": {validation.ValidateString},
"volumes": {validation.ValidateStringArray},
"working_dir": {validation.ValidateString},
}
)
func Validate(c []byte) error {
var m map[string]interface{}
if err := yaml.Unmarshal(c, &m); err != nil {
return err
}
for serviceName := range m {
if len(serviceName) > 100 {
return fmt.Errorf("service name '%s' is longer than 100 characters", serviceName)
}
}
for serviceName, service := range m {
service, ok := service.(map[interface{}]interface{})
if !ok {
return fmt.Errorf("service '%s' is not an object", serviceName)
}
for key := range service {
typedKey, ok := key.(string)
if !ok {
return fmt.Errorf("service '%s': invalid key '%v'", serviceName, key)
}
if _, ok = validators[typedKey]; !ok {
return fmt.Errorf("service '%s': invalid key '%s'", serviceName, typedKey)
}
}
for key, validators := range validators {
value, ok := service[key]
if !ok {
continue
}
for _, validator := range validators {
if err := validator(value); err != nil {
return fmt.Errorf("service '%s', key '%s': %v", serviceName, key, err)
}
}
}
}
return nil
}