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trim_packages.go
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trim_packages.go
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//
// Copyright © 2017-2019 Solus Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
package jobs
import (
"fmt"
"strconv"
log "github.com/sirupsen/logrus"
"github.com/getsolus/ferryd/src/ferryd/core"
)
// TrimPackagesJobHandler is responsible for removing packages by identifiers
type TrimPackagesJobHandler struct {
repoID string
maxKeep int
}
// NewTrimPackagesJob will return a job suitable for adding to the job processor
func NewTrimPackagesJob(repoID string, maxKeep int) *JobEntry {
return &JobEntry{
sequential: true,
Type: TrimPackages,
Params: []string{repoID, fmt.Sprintf("%d", maxKeep)},
}
}
// NewTrimPackagesJobHandler will create a job handler for the input job and ensure it validates
func NewTrimPackagesJobHandler(j *JobEntry) (*TrimPackagesJobHandler, error) {
if len(j.Params) != 2 {
return nil, fmt.Errorf("job has invalid parameters")
}
keep, err := strconv.ParseInt(j.Params[1], 10, 32)
if err != nil {
return nil, err
}
return &TrimPackagesJobHandler{
repoID: j.Params[0],
maxKeep: int(keep),
}, nil
}
// Execute will attempt removal of excessive packages in the index
func (j *TrimPackagesJobHandler) Execute(_ *Processor, manager *core.Manager) error {
if err := manager.TrimPackages(j.repoID, j.maxKeep); err != nil {
return err
}
log.WithFields(log.Fields{
"repo": j.repoID,
"maxKeep": j.maxKeep,
}).Info("Trimmed packages in repository")
return nil
}
// Describe returns a human readable description for this job
func (j *TrimPackagesJobHandler) Describe() string {
return fmt.Sprintf("Trim packages to maximum of %d in '%s'", j.maxKeep, j.repoID)
}