netmaker/netclient/functions/clientconfig.go
2022-07-07 13:40:07 -04:00

74 lines
2.3 KiB
Go

package functions
import (
"strconv"
"strings"
"github.com/gravitl/netmaker/logger"
"github.com/gravitl/netmaker/netclient/config"
"github.com/gravitl/netmaker/netclient/functions/upgrades"
"github.com/gravitl/netmaker/netclient/ncutils"
)
// UpdateClientConfig - function is called on daemon start to update clientConfig if required
// Usage : set update required to true and and update logic to function
func UpdateClientConfig() {
defer upgrades.ReleaseUpgrades()
networks, _ := ncutils.GetSystemNetworks()
if len(networks) == 0 {
return
}
logger.Log(0, "checking for netclient updates...")
for _, network := range networks {
cfg := config.ClientConfig{}
cfg.Network = network
cfg.ReadConfig()
major, minor, _ := Version(cfg.Node.Version)
if major == 0 && minor < 14 {
logger.Log(0, "schema of network", cfg.Network, "is out of date and cannot be updated\n Correct behaviour of netclient cannot be guaranteed")
continue
}
configChanged := false
for _, u := range upgrades.Upgrades {
if ncutils.StringSliceContains(u.RequiredVersions, cfg.Node.Version) {
logger.Log(0, "upgrading node", cfg.Node.Name, "on network", cfg.Node.Network, "from", cfg.Node.Version, "to", u.NewVersion)
upgrades.UpgradeFunction(u.OP)(&cfg)
cfg.Node.Version = u.NewVersion
configChanged = true
}
}
if configChanged {
//save and publish
if err := PublishNodeUpdate(&cfg); err != nil {
logger.Log(0, "error publishing node update during schema change", err.Error())
}
}
}
logger.Log(0, "finished updates")
}
// Version - parse version string into component parts
// version string must be semantic version of form 1.2.3 or v1.2.3
// otherwise 0, 0, 0 will be returned.
func Version(version string) (int, int, int) {
var major, minor, patch int
var errMajor, errMinor, errPatch error
parts := strings.Split(version, ".")
//ensure semantic version
if len(parts) < 3 {
return major, minor, patch
}
if strings.Contains(parts[0], "v") {
majors := strings.Split(parts[0], "v")
major, errMajor = strconv.Atoi(majors[1])
} else {
major, errMajor = strconv.Atoi(parts[0])
}
minor, errMinor = strconv.Atoi(parts[1])
patch, errPatch = strconv.Atoi(parts[2])
if errMajor != nil || errMinor != nil || errPatch != nil {
return 0, 0, 0
}
return major, minor, patch
}