packer-cn/checkpoint.go

84 lines
2.1 KiB
Go

package main
import (
"fmt"
"log"
"path/filepath"
"github.com/hashicorp/go-checkpoint"
"github.com/mitchellh/packer/command"
"github.com/mitchellh/packer/packer"
packerVersion "github.com/mitchellh/packer/version"
)
func init() {
checkpointResult = make(chan *checkpoint.CheckResponse, 1)
}
var checkpointResult chan *checkpoint.CheckResponse
// runCheckpoint runs a HashiCorp Checkpoint request. You can read about
// Checkpoint here: https://github.com/hashicorp/go-checkpoint.
func runCheckpoint(c *config) {
// If the user doesn't want checkpoint at all, then return.
if c.DisableCheckpoint {
log.Printf("[INFO] Checkpoint disabled. Not running.")
checkpointResult <- nil
return
}
configDir, err := packer.ConfigDir()
if err != nil {
log.Printf("[ERR] Checkpoint setup error: %s", err)
checkpointResult <- nil
return
}
version := packerVersion.Version
if packerVersion.VersionPrerelease != "" {
version += fmt.Sprintf("-%s", packerVersion.VersionPrerelease)
}
signaturePath := filepath.Join(configDir, "checkpoint_signature")
if c.DisableCheckpointSignature {
log.Printf("[INFO] Checkpoint signature disabled")
signaturePath = ""
}
resp, err := checkpoint.Check(&checkpoint.CheckParams{
Product: "packer",
Version: version,
SignatureFile: signaturePath,
CacheFile: filepath.Join(configDir, "checkpoint_cache"),
})
if err != nil {
log.Printf("[ERR] Checkpoint error: %s", err)
resp = nil
}
checkpointResult <- resp
}
// commandVersionCheck implements command.VersionCheckFunc and is used
// as the version checker.
func commandVersionCheck() (command.VersionCheckInfo, error) {
// Wait for the result to come through
info := <-checkpointResult
if info == nil {
var zero command.VersionCheckInfo
return zero, nil
}
// Build the alerts that we may have received about our version
alerts := make([]string, len(info.Alerts))
for i, a := range info.Alerts {
alerts[i] = a.Message
}
return command.VersionCheckInfo{
Outdated: info.Outdated,
Latest: info.CurrentVersion,
Alerts: alerts,
}, nil
}