2daacf5f2a
This introduces airshipctl integration with image-builder [0], which replaces the existing isogen tool for ephemeral ISO generation. The airshipctl isogen executor has been updated for building ephemeral ISOs using the image-builder container. The ability for user-declared filenames for cloud-init user data and network data was removed, since the user's only interest is in supplying the relevant overrides, not in transparent naming coordination with the image-builder container. A new object is added to the document package to identify the document kind, label, and key to retrieve data from since this is pattern we will reuse elsewhere. Progress flag removed as requsted. Progress is reported directly by the image-builder container. Isogen debug flag removed in favor of using log.DebugEnabled() [0] https://review.opendev.org/#/c/730777/ Depends-On: https://review.opendev.org/c/airship/images/+/730777/ Change-Id: I545004feaf2116f8ffb29faf6f7f7f5fcfe24fff
127 lines
3.4 KiB
Go
127 lines
3.4 KiB
Go
/*
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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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https://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 cloudinit
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import (
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"opendev.org/airship/airshipctl/pkg/document"
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"sigs.k8s.io/kustomize/api/resid"
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"sigs.k8s.io/kustomize/api/types"
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)
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var (
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// Initialize defaults where we expect to find user-data and
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// network config data in manifests
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userDataSelectorDefaults = types.Selector{
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Gvk: resid.Gvk{Kind: document.SecretKind},
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LabelSelector: document.EphemeralUserDataSelector,
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}
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userDataKeyDefault = "userData"
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networkConfigSelectorDefaults = types.Selector{
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Gvk: resid.Gvk{Kind: document.BareMetalHostKind},
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LabelSelector: document.EphemeralHostSelector,
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}
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networkConfigKeyDefault = "networkData"
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)
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// GetCloudData reads YAML document input and generates cloud-init data for
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// ephemeral node.
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func GetCloudData(
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docBundle document.Bundle,
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userDataSelector types.Selector,
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userDataKey string,
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networkConfigSelector types.Selector,
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networkConfigKey string,
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) (userData []byte, netConf []byte, err error) {
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userDataSelectorFinal, userDataKeyFinal := applyDefaultsAndGetData(
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userDataSelector,
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userDataSelectorDefaults,
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userDataKey,
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userDataKeyDefault,
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)
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userData, err = document.GetSecretData(docBundle, userDataSelectorFinal, userDataKeyFinal)
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if err != nil {
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return nil, nil, err
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}
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netConfSelectorFinal, netConfKeyFinal := applyDefaultsAndGetData(
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networkConfigSelector,
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networkConfigSelectorDefaults,
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networkConfigKey,
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networkConfigKeyDefault,
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)
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netConf, err = getNetworkData(docBundle, netConfSelectorFinal, netConfKeyFinal)
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if err != nil {
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return nil, nil, err
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}
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return userData, netConf, err
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}
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func applyDefaultsAndGetData(
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docSelector types.Selector,
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docSelectorDefaults types.Selector,
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key string,
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keyDefault string,
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) (types.Selector, string) {
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// Assign defaults if there are no user supplied overrides
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if docSelector.Kind == "" &&
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docSelector.Name == "" &&
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docSelector.AnnotationSelector == "" &&
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docSelector.LabelSelector == "" {
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docSelector.Kind = docSelectorDefaults.Kind
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docSelector.LabelSelector = docSelectorDefaults.LabelSelector
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}
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keyFinal := key
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if key == "" {
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keyFinal = keyDefault
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}
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return docSelector, keyFinal
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}
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func getNetworkData(
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docBundle document.Bundle,
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netCfgSelector types.Selector,
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netCfgKey string,
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) ([]byte, error) {
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// find the baremetal host indicated as the ephemeral node
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selector := document.NewSelector().ByKind(netCfgSelector.Kind).ByLabel(netCfgSelector.LabelSelector)
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d, err := docBundle.SelectOne(selector)
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if err != nil {
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return nil, err
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}
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// try and find these documents in our bundle
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selector, err = document.NewNetworkDataSelector(d)
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if err != nil {
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return nil, err
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}
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d, err = docBundle.SelectOne(selector)
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if err != nil {
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return nil, err
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}
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// finally, try and retrieve the data we want from the document
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netData, err := document.DecodeSecretData(d, netCfgKey)
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if err != nil {
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return nil, err
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}
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return netData, nil
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}
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