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Support upgrading warewulf.conf

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Signed-off-by: Jonathon Anderson <janderson@ciq.com>
This commit is contained in:
Jonathon Anderson
2024-11-05 15:58:43 -07:00
parent 6a1abd52a5
commit b37d49d6de
16 changed files with 864 additions and 189 deletions
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45
internal/pkg/config/root.go
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@@ -7,6 +7,7 @@
package config
import (
"bytes"
"fmt"
"net"
"net/netip"
@@ -27,19 +28,19 @@ var cachedConf WarewulfYaml
// [WarewulfConf], [DHCPConf], [TFTPConf], and [NFSConf] sub-sections.
type WarewulfYaml struct {
Comment string `yaml:"comment,omitempty"`
Ipaddr string `yaml:"ipaddr"`
Ipaddr string `yaml:"ipaddr,omitempty"`
Ipaddr6 string `yaml:"ipaddr6,omitempty"`
Netmask string `yaml:"netmask"`
Netmask string `yaml:"netmask,omitempty"`
Network string `yaml:"network,omitempty"`
Ipv6net string `yaml:"ipv6net,omitempty"`
Fqdn string `yaml:"fqdn,omitempty"`
Warewulf *WarewulfConf `yaml:"warewulf"`
DHCP *DHCPConf `yaml:"dhcp"`
TFTP *TFTPConf `yaml:"tftp"`
NFS *NFSConf `yaml:"nfs"`
Warewulf *WarewulfConf `yaml:"warewulf,omitempty"`
DHCP *DHCPConf `yaml:"dhcp,omitempty"`
TFTP *TFTPConf `yaml:"tftp,omitempty"`
NFS *NFSConf `yaml:"nfs,omitempty"`
SSH *SSHConf `yaml:"ssh,omitempty"`
MountsContainer []*MountEntry `yaml:"container mounts" default:"[{\"source\": \"/etc/resolv.conf\", \"dest\": \"/etc/resolv.conf\"}]"`
Paths *BuildConfig `yaml:"paths"`
MountsContainer []*MountEntry `yaml:"container mounts,omitempty" default:"[{\"source\": \"/etc/resolv.conf\", \"dest\": \"/etc/resolv.conf\"}]"`
Paths *BuildConfig `yaml:"paths,omitempty"`
WWClient *WWClientConf `yaml:"wwclient,omitempty"`
warewulfconf string
@@ -206,3 +207,31 @@ func (conf *WarewulfYaml) InitializedFromFile() bool {
func (conf *WarewulfYaml) GetWarewulfConf() string {
return conf.warewulfconf
}
func (config *WarewulfYaml) Dump() ([]byte, error) {
var buf bytes.Buffer
yamlEncoder := yaml.NewEncoder(&buf)
yamlEncoder.SetIndent(2)
err := yamlEncoder.Encode(config)
return buf.Bytes(), err
}
func (config *WarewulfYaml) PersistToFile(configFile string) error {
out, dumpErr := config.Dump()
if dumpErr != nil {
wwlog.Error("%s", dumpErr)
return dumpErr
}
file, err := os.OpenFile(configFile, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0o644)
if err != nil {
wwlog.Error("%s", err)
return err
}
defer file.Close()
_, err = file.WriteString(string(out))
if err != nil {
return err
}
wwlog.Debug("persisted: %s", configFile)
return nil
}