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query.go
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query.go
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/*
* === This file is part of ALICE O² ===
*
* Copyright 2020-2021 CERN and copyright holders of ALICE O².
* Author: Teo Mrnjavac <teo.mrnjavac@cern.ch>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* In applying this license CERN does not waive the privileges and
* immunities granted to it by virtue of its status as an
* Intergovernmental Organization or submit itself to any jurisdiction.
*/
package componentcfg
import (
"errors"
"regexp"
"strings"
apricotpb "github.com/AliceO2Group/Control/apricot/protos"
)
var (
// component /RUNTYPE /rolename /entry @timestamp
inputFullRegex = regexp.MustCompile(`^([a-zA-Z0-9-_]+)(\/[A-Z0-9-_]+){1}(\/[a-z-A-Z0-9-_]+){1}(\/[a-z-A-Z0-9-_]+){1}(\@[0-9]+)?$`)
// component /RUNTYPE /rolename
inputEntriesRegex = regexp.MustCompile(`^([a-zA-Z0-9-_]+)(\/[A-Z0-9-_]+){1}(\/[a-z-A-Z0-9-_]+){1}$`)
E_BAD_KEY = errors.New("bad component configuration key format")
)
func IsStringValidQueryPathWithOptionalTimestamp(input string) bool {
return inputFullRegex.MatchString(input)
}
func IsStringValidEntriesQueryPath(input string) bool {
return inputEntriesRegex.MatchString(input)
}
type EntriesQuery struct {
Component string
RunType apricotpb.RunType
RoleName string
}
func NewEntriesQuery(path string) (p *EntriesQuery, err error) {
p = &EntriesQuery{
Component: "",
RunType: apricotpb.RunType_NULL,
RoleName: "",
}
if IsStringValidEntriesQueryPath(path) {
// coconut conf list component/FLAVOR/rolename
params := strings.Split(path, SEPARATOR)
p.Component = params[0]
// Convert FLAVOR to pb-provided enum
typedRunType, ok := apricotpb.RunType_value[params[1]]
if !ok {
err = E_BAD_KEY
return
}
p.RunType = apricotpb.RunType(typedRunType)
p.RoleName = params[2]
} else {
err = E_BAD_KEY
return
}
return p, nil
}
type Query struct {
Component string
RunType apricotpb.RunType
RoleName string
EntryKey string
Timestamp string
}
func NewQuery(path string) (p *Query, err error) {
p = &Query{
Component: "",
RunType: apricotpb.RunType_NULL,
RoleName: "",
EntryKey: "",
Timestamp: "",
}
if IsStringValidQueryPathWithOptionalTimestamp(path) {
if strings.Contains(path, "@") {
// coconut conf show component/FLAVOR/rolename/entry@timestamp
arg := strings.Replace(path, "@", SEPARATOR, 1)
params := strings.Split(arg, SEPARATOR)
p.Component = params[0]
// Convert FLAVOR to pb-provided enum
typedFlavor, ok := apricotpb.RunType_value[params[1]]
if !ok {
err = E_BAD_KEY
return
}
p.RunType = apricotpb.RunType(typedFlavor)
p.RoleName = params[2]
p.EntryKey = params[3]
p.Timestamp = params[4]
} else if strings.Contains(path, SEPARATOR) {
// coconut conf show component/FLAVOR/rolename/entry
params := strings.Split(path, SEPARATOR)
p.Component = params[0]
// Convert FLAVOR to pb-provided enum
typedFlavor, ok := apricotpb.RunType_value[params[1]]
if !ok {
err = E_BAD_KEY
return
}
p.RunType = apricotpb.RunType(typedFlavor)
p.RoleName = params[2]
p.EntryKey = params[3]
// and if we received a raw path (with / instead of @ before timestamp):
if len(params) > 4 && len(params[4]) > 0 {
p.Timestamp = params[4]
}
}
} else {
err = E_BAD_KEY
return
}
return p, nil
}
func (p *Query) Path() string {
path := p.WithoutTimestamp()
if len(p.Timestamp) > 0 {
return path + "@" + p.Timestamp
}
return path
}
func (p *Query) Raw() string {
path := p.WithoutTimestamp()
if len(p.Timestamp) > 0 {
return path + SEPARATOR + p.Timestamp
}
return path
}
func (p *Query) WithoutTimestamp() string {
return p.Component + SEPARATOR + apricotpb.RunType_name[int32(p.RunType)] + SEPARATOR + p.RoleName + SEPARATOR + p.EntryKey
}
func (p *Query) AbsoluteRaw() string {
return ConfigComponentsPath + p.Raw()
}
func (p *Query) AbsoluteWithoutTimestamp() string {
return ConfigComponentsPath + p.WithoutTimestamp()
}