104 lines
3.2 KiB
Go
104 lines
3.2 KiB
Go
/*
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Copyright © 2022 - 2025 SUSE LLC
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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 network
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import (
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"fmt"
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"path/filepath"
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"strings"
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elementalv1 "github.com/rancher/elemental-operator/api/v1beta1"
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"github.com/rancher/elemental-operator/pkg/log"
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"github.com/rancher/elemental-operator/pkg/util"
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"github.com/rancher/yip/pkg/schema"
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"github.com/twpayne/go-vfs"
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)
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type nmstateConfigurator struct {
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fs vfs.FS
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runner util.CommandRunner
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}
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func (n *nmstateConfigurator) GetNetworkConfigApplicator(networkConfig elementalv1.NetworkConfig) (schema.YipConfig, error) {
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configApplicator := schema.YipConfig{}
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if len(networkConfig.Config) == 0 {
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log.Warning("no network config data to decode")
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return configApplicator, ErrEmptyConfig
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}
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yamlData, err := util.JSONObjectToYamlBytes(networkConfig.Config)
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if err != nil {
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return configApplicator, fmt.Errorf("converting network config to yaml: %w", err)
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}
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yamlStringData := string(yamlData)
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// Go through the nmstate yaml config and replace template placeholders "{my-ip-name}" with actual IP.
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for name, ipAddress := range networkConfig.IPAddresses {
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yamlStringData = strings.ReplaceAll(yamlStringData, fmt.Sprintf("{%s}", name), ipAddress)
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}
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// Dump the digested config somewhere
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if err := vfs.MkdirAll(n.fs, filepath.Dir(nmstateTempPath), 0700); err != nil {
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return configApplicator, fmt.Errorf("creating dir '%s': %w", filepath.Dir(nmstateTempPath), err)
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}
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if err := n.fs.WriteFile(nmstateTempPath, []byte(yamlStringData), 0600); err != nil {
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return configApplicator, fmt.Errorf("writing file '%s': %w", nmstateTempPath, err)
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}
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// Try to apply it
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if err := n.runner.Run("nmstatectl", "apply", nmstateTempPath); err != nil {
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return configApplicator, fmt.Errorf("running: nmstatectl apply %s: %w", nmstateTempPath, err)
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}
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// Now fetch all /etc/NetworkManager/system-connections/*.nmconnection files.
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// Each file is added to the configApplicator.
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files, err := n.fs.ReadDir(systemConnectionsDir)
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if err != nil {
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return configApplicator, fmt.Errorf("reading directory '%s': %w", systemConnectionsDir, err)
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}
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yipFiles := []schema.File{}
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for _, file := range files {
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fileName := file.Name()
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if strings.HasSuffix(fileName, ".nmconnection") {
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bytes, err := n.fs.ReadFile(filepath.Join(systemConnectionsDir, fileName))
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if err != nil {
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return configApplicator, fmt.Errorf("reading file '%s': %w", fileName, err)
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}
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yipFiles = append(yipFiles, schema.File{
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Path: filepath.Join(systemConnectionsDir, fileName),
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Permissions: 0600,
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Content: string(bytes),
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})
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}
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}
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// Wrap up the yip config
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configApplicator.Name = applicatorName
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configApplicator.Stages = map[string][]schema.Stage{
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applicatorStage: {
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schema.Stage{
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Files: yipFiles,
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},
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},
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}
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return configApplicator, nil
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}
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