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repository.go
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repository.go
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// Copyright 2014 tsuru authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package docker
import (
"fmt"
"github.com/globalsign/mgo/bson"
"github.com/tsuru/docker-cluster/cluster"
"github.com/tsuru/tsuru/log"
"github.com/tsuru/tsuru/net"
"github.com/tsuru/tsuru/provision"
"github.com/tsuru/tsuru/provision/docker/container"
)
func (p *dockerProvisioner) GetContainer(id string) (*container.Container, error) {
var containers []container.Container
coll := p.Collection()
defer coll.Close()
pattern := fmt.Sprintf("^%s.*", id)
err := coll.Find(bson.M{"id": bson.RegEx{Pattern: pattern}}).All(&containers)
if err != nil {
return nil, err
}
lenContainers := len(containers)
if lenContainers == 0 {
return nil, &provision.UnitNotFoundError{ID: id}
}
if lenContainers > 1 {
log.Debugf("ambiguous container id. found %d containers (%v) when looking for %q", lenContainers, containers, id)
return nil, &AmbiguousContainerError{ID: id}
}
return &containers[0], nil
}
func (p *dockerProvisioner) GetContainerByName(name string) (*container.Container, error) {
var containers []container.Container
coll := p.Collection()
defer coll.Close()
err := coll.Find(bson.M{"name": name}).All(&containers)
if err != nil {
return nil, err
}
lenContainers := len(containers)
if lenContainers == 0 {
return nil, &provision.UnitNotFoundError{ID: name}
}
if lenContainers > 1 {
return nil, &AmbiguousContainerError{ID: name}
}
return &containers[0], nil
}
func (p *dockerProvisioner) listContainersByHost(address string) ([]container.Container, error) {
return p.ListContainers(bson.M{"hostaddr": address})
}
func (p *dockerProvisioner) listRunningContainersByHost(address string) ([]container.Container, error) {
return p.ListContainers(bson.M{
"hostaddr": address,
"status": bson.M{
"$nin": []string{
provision.StatusCreated.String(),
provision.StatusBuilding.String(),
provision.StatusStopped.String(),
},
},
})
}
func (p *dockerProvisioner) listContainersByProcess(appName, processName string) ([]container.Container, error) {
query := bson.M{"appname": appName}
if processName != "" {
query["processname"] = processName
}
return p.ListContainers(query)
}
func (p *dockerProvisioner) listContainersByApp(appName string) ([]container.Container, error) {
return p.ListContainers(bson.M{"appname": appName})
}
func (p *dockerProvisioner) listContainersByAppAndHost(appNames, addresses []string) ([]container.Container, error) {
query := bson.M{}
if len(appNames) > 0 {
query["appname"] = bson.M{"$in": appNames}
}
if len(addresses) > 0 {
query["hostaddr"] = bson.M{"$in": addresses}
}
return p.ListContainers(query)
}
func (p *dockerProvisioner) listRunnableContainersByApp(appName string) ([]container.Container, error) {
return p.ListContainers(bson.M{
"appname": appName,
"status": bson.M{
"$nin": []string{
provision.StatusCreated.String(),
provision.StatusBuilding.String(),
provision.StatusStopped.String(),
},
},
})
}
func (p *dockerProvisioner) listContainersByAppAndStatus(appNames []string, status []string) ([]container.Container, error) {
query := bson.M{}
if len(appNames) > 0 {
query["appname"] = bson.M{"$in": appNames}
}
if len(status) > 0 {
query["status"] = bson.M{"$in": status}
}
return p.ListContainers(query)
}
func (p *dockerProvisioner) listAllContainers() ([]container.Container, error) {
return p.ListContainers(nil)
}
func (p *dockerProvisioner) listContainersWithIDOrName(ids []string, names []string) ([]container.Container, error) {
return p.ListContainers(bson.M{
"$or": []bson.M{
{"name": bson.M{"$in": names}},
{"id": bson.M{"$in": ids}},
},
})
}
func (p *dockerProvisioner) listAppsForNodes(nodes []*cluster.Node) ([]string, error) {
coll := p.Collection()
defer coll.Close()
nodeNames := make([]string, len(nodes))
for i, n := range nodes {
nodeNames[i] = net.URLToHost(n.Address)
}
var appNames []string
err := coll.Find(bson.M{"hostaddr": bson.M{"$in": nodeNames}}).Distinct("appname", &appNames)
return appNames, err
}
func (p *dockerProvisioner) ListContainers(query bson.M) ([]container.Container, error) {
var list []container.Container
coll := p.Collection()
defer coll.Close()
err := coll.Find(query).All(&list)
return list, err
}
func (p *dockerProvisioner) updateContainers(query bson.M, update bson.M) error {
coll := p.Collection()
defer coll.Close()
_, err := coll.UpdateAll(query, update)
return err
}
func (p *dockerProvisioner) getOneContainerByAppName(appName string) (*container.Container, error) {
var c container.Container
coll := p.Collection()
defer coll.Close()
err := coll.Find(bson.M{"appname": appName}).One(&c)
if err != nil {
return nil, err
}
return &c, nil
}
func (p *dockerProvisioner) getContainerCountForAppName(appName string) (int, error) {
coll := p.Collection()
defer coll.Close()
return coll.Find(bson.M{"appname": appName}).Count()
}
type AmbiguousContainerError struct {
ID string
}
func (e *AmbiguousContainerError) Error() string {
return fmt.Sprintf("ambiguous container name/id: %q", e.ID)
}