Carlos Florêncio
65 lines
1.9 KiB
Go
65 lines
1.9 KiB
Go
package lifecycle
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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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"go.uber.org/zap"
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"github.com/kandev/kandev/internal/common/logger"
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)
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// AgentctlResolver finds the path to a linux/amd64 agentctl binary for remote executors.
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// Resolution order:
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// 1. KANDEV_AGENTCTL_LINUX_BINARY env var
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// 2. build/agentctl-linux-amd64 relative to the running binary (dev mode)
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// 3. bin/agentctl-linux-amd64 relative to the running binary
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type AgentctlResolver struct {
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logger *logger.Logger
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}
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// NewAgentctlResolver creates a new resolver.
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func NewAgentctlResolver(log *logger.Logger) *AgentctlResolver {
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return &AgentctlResolver{
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logger: log.WithFields(zap.String("component", "agentctl_resolver")),
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}
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}
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// ResolveLinuxBinary returns the path to a linux/amd64 agentctl binary.
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func (r *AgentctlResolver) ResolveLinuxBinary() (string, error) {
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// 1. Env var override
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if envPath := os.Getenv("KANDEV_AGENTCTL_LINUX_BINARY"); envPath != "" {
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if _, err := os.Stat(envPath); err == nil {
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r.logger.Debug("using agentctl from env var", zap.String("path", envPath))
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return envPath, nil
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}
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return "", fmt.Errorf("KANDEV_AGENTCTL_LINUX_BINARY=%q does not exist", envPath)
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}
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// 2. Relative to the running binary (dev mode: build/agentctl-linux-amd64)
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exePath, err := os.Executable()
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if err == nil {
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exeDir := filepath.Dir(exePath)
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candidates := []string{
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filepath.Join(exeDir, "agentctl-linux-amd64"),
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filepath.Join(exeDir, "..", "build", "agentctl-linux-amd64"),
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filepath.Join(exeDir, "..", "bin", "agentctl-linux-amd64"),
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}
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for _, candidate := range candidates {
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if _, statErr := os.Stat(candidate); statErr == nil {
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abs, _ := filepath.Abs(candidate)
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r.logger.Debug("found agentctl binary", zap.String("path", abs))
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return abs, nil
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}
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}
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}
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return "", fmt.Errorf(
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"agentctl linux binary not found; build it with 'make build-agentctl-linux' "+
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"or set KANDEV_AGENTCTL_LINUX_BINARY (os=%s arch=%s)",
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runtime.GOOS, runtime.GOARCH,
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)
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}
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