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services-start.go
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services-start.go
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/*
* Copyright (c) 2018. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
package cmd
import (
"context"
"os"
"regexp"
"sync"
"github.com/spf13/cobra"
"github.com/pydio/cells/common"
"github.com/pydio/cells/common/registry"
)
var (
wg sync.WaitGroup
FilterStartTags []string
FilterStartExclude []string
)
type serviceContext struct {
ctx context.Context
cancel context.CancelFunc
}
// StartCmd represents the start command
var StartCmd = &cobra.Command{
Use: "start",
Short: "Start micro services",
Long: `Start one or more services on this machine
SYNTAX
======
$ pydio start [flags] args...
Additional arguments are regexp that can match any of the service names available (see pydio list command).
The -t/--tags flag may limit to only a certain category of services, use lowercase like broker, idm, data, etc...
The -x/--exclude flag may exclude one or more services
Both flags may be used in cunjonction with the regexp arguments.
EXAMPLES
========
Start only services starting with grpc
$ pydio start pydio.grpc
Start only services for scheduler
$ pydio start --tag=scheduler
Start whole plateform except the roles service
$ pydio start --exclude=pydio.grpc.idm.roles
`,
PreRun: func(cmd *cobra.Command, args []string) {
// Removing install services
registry.Default.Filter(func(s registry.Service) bool {
re := regexp.MustCompile(common.SERVICE_INSTALL)
if re.MatchString(s.Name()) {
return true
}
return false
})
// Filtering services by tags
registry.Default.Filter(func(s registry.Service) bool {
for _, t := range FilterStartTags {
for _, st := range s.Tags() {
if t == st {
return false
}
}
}
return len(FilterStartTags) > 0
})
// Filtering services by args
registry.Default.Filter(func(s registry.Service) bool {
for _, arg := range args {
reArg := regexp.MustCompile(arg)
if reArg.MatchString(s.Name()) {
return false
}
if s.MatchesRegexp(arg) {
return false
}
}
return len(args) > 0
})
// Filtering services that have a regexp when there is no argument to the command
registry.Default.Filter(func(s registry.Service) bool {
if len(args) == 0 && s.Regexp() != nil {
return true
}
return false
})
// Re-building allServices list
if s, err := registry.Default.ListServices(); err != nil {
cmd.Print("Could not retrieve list of services")
os.Exit(0)
} else {
allServices = s
}
},
Run: func(cmd *cobra.Command, args []string) {
//var err error
// Start services that have not been deregistered via flags and filtering.
for _, service := range allServices {
go service.Start()
}
wg.Add(1)
wg.Wait()
},
}
func init() {
StartCmd.Flags().StringArrayVarP(&FilterStartTags, "tags", "t", []string{}, "Filter by tags")
StartCmd.Flags().StringArrayVarP(&FilterStartExclude, "exclude", "x", []string{}, "Filter")
RootCmd.AddCommand(StartCmd)
}