/
container_userdata.go
54 lines (43 loc) · 1.47 KB
/
container_userdata.go
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// Copyright 2013, 2015 Canonical Ltd.
// Copyright 2015 Cloudbase Solutions SRL
// Licensed under the AGPLv3, see LICENCE file for details.
package containerinit
import (
"github.com/juju/errors"
"github.com/juju/loggo"
"github.com/juju/juju/cloudconfig"
"github.com/juju/juju/cloudconfig/cloudinit"
"github.com/juju/juju/cloudconfig/instancecfg"
"github.com/juju/juju/container"
corenetwork "github.com/juju/juju/core/network"
)
var logger = loggo.GetLogger("juju.cloudconfig.containerinit")
func CloudInitUserData(
cloudConfig cloudinit.CloudConfig,
instanceConfig *instancecfg.InstanceConfig,
networkConfig *container.NetworkConfig,
) ([]byte, error) {
var interfaces corenetwork.InterfaceInfos
if networkConfig != nil {
interfaces = networkConfig.Interfaces
}
if err := cloudConfig.AddNetworkConfig(interfaces); err != nil {
return nil, errors.Trace(err)
}
udata, err := cloudconfig.NewUserdataConfig(instanceConfig, cloudConfig)
if err != nil {
return nil, errors.Trace(err)
}
if err = udata.Configure(); err != nil {
return nil, errors.Trace(err)
}
// Run ifconfig/ip addr to get the addresses of the
// internal container at least logged in the host.
cloudConfig.AddRunCmd("ifconfig || ip addr")
if instanceConfig.MachineContainerHostname != "" {
logger.Debugf("Cloud-init configured to set hostname")
cloudConfig.SetAttr("hostname", instanceConfig.MachineContainerHostname)
}
data, err := cloudConfig.RenderYAML()
return data, errors.Trace(err)
}