Carlos Florêncio
50 lines
1.4 KiB
Go
50 lines
1.4 KiB
Go
package launcher
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import (
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"fmt"
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"os"
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"path/filepath"
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"runtime"
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)
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type runtimeBundle struct {
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Dir string
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Launcher string
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Source string
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}
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func resolveRuntimeBundle() (runtimeBundle, error) {
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dir := os.Getenv("KANDEV_BUNDLE_DIR")
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if dir == "" {
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return runtimeBundle{}, fmt.Errorf("no Kandev runtime found; KANDEV_BUNDLE_DIR is not set")
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}
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return validateRuntimeBundle(dir, "env")
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}
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func validateRuntimeBundle(dir, source string) (runtimeBundle, error) {
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launcher := filepath.Join(dir, "bin", executableName("kandev"))
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if !exists(launcher) {
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return runtimeBundle{}, fmt.Errorf("launcher binary not found in bundle at %s", launcher)
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}
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agentctl := filepath.Join(dir, "bin", executableName("agentctl"))
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if !exists(agentctl) {
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return runtimeBundle{}, fmt.Errorf("agentctl binary not found in bundle at %s", agentctl)
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}
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agentctlLinuxAMD64 := filepath.Join(dir, "bin", "agentctl-linux-amd64")
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if requiresAgentctlLinuxAMD64(runtime.GOOS, runtime.GOARCH) && !exists(agentctlLinuxAMD64) {
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return runtimeBundle{}, fmt.Errorf("agentctl linux/amd64 helper not found in bundle at %s", agentctlLinuxAMD64)
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}
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return runtimeBundle{Dir: dir, Launcher: launcher, Source: source}, nil
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}
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func requiresAgentctlLinuxAMD64(goos, goarch string) bool {
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return goos != "linux" || goarch != "amd64"
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}
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func executableName(name string) string {
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if os.PathSeparator == '\\' {
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return name + ".exe"
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}
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return name
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}
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