mirror of https://github.com/kubernetes/kops.git
61 lines
1.9 KiB
Go
61 lines
1.9 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package awstasks
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import (
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"errors"
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"fmt"
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ec2types "github.com/aws/aws-sdk-go-v2/service/ec2/types"
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"k8s.io/kops/upup/pkg/fi"
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"k8s.io/kops/upup/pkg/fi/cloudup/awsup"
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)
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// buildEphemeralDevices looks up the machine type and discovery any ephemeral device mappings
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func buildEphemeralDevices(cloud awsup.AWSCloud, machineType ec2types.InstanceType) (map[string]*BlockDeviceMapping, error) {
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if machineType == "" {
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return nil, nil
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}
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mt, err := awsup.GetMachineTypeInfo(cloud, machineType)
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if err != nil {
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return nil, fmt.Errorf("failed to find instance type details on: %s, error: %s", machineType, err)
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}
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blockDeviceMappings := make(map[string]*BlockDeviceMapping)
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for _, ed := range mt.EphemeralDevices() {
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blockDeviceMappings[ed.DeviceName] = &BlockDeviceMapping{VirtualName: fi.PtrTo(ed.VirtualName)}
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}
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return blockDeviceMappings, nil
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}
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// buildAdditionalDevices is responsible for creating additional volumes in this lc
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func buildAdditionalDevices(volumes []*BlockDeviceMapping) (map[string]*BlockDeviceMapping, error) {
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devices := make(map[string]*BlockDeviceMapping)
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// @step: iterate the volumes and create devices from them
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for _, x := range volumes {
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if x.DeviceName == nil {
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return nil, errors.New("DeviceName not set for volume")
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}
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devices[*x.DeviceName] = x
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}
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return devices, nil
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}
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