Tyler King
6058e62348
Go-based network automation with YANG models, gRPC, Ansible, Terraform, and Kubernetes integration. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
69 lines
1.9 KiB
Go
69 lines
1.9 KiB
Go
package underlay
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import (
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"context"
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"crypto/sha256"
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"fmt"
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"os/exec"
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"go.uber.org/zap"
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"github.com/guildhouse-co/kedge/internal/quartermaster"
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)
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// Dispatcher triggers YANG compilation and coordinates SDK dispatch through Bascule.
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type Dispatcher struct {
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qm *quartermaster.Client
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log *zap.SugaredLogger
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// CompilerPath is the path to the YANG compiler script.
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CompilerPath string
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}
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// NewDispatcher creates a new underlay dispatch coordinator.
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func NewDispatcher(qm *quartermaster.Client, log *zap.SugaredLogger) *Dispatcher {
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return &Dispatcher{
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qm: qm,
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log: log,
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CompilerPath: "/opt/kedge/yang/compiler/compile.py",
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}
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}
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// CompileAndDispatch runs the YANG compiler for the given site config and
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// dispatches the resulting vendor-specific payloads via Bascule SDK.
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func (d *Dispatcher) CompileAndDispatch(ctx context.Context, siteConfigPath string, sessionID string) error {
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// Hash the YANG source for the mutation artifact.
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yangHash, err := hashFile(siteConfigPath)
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if err != nil {
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return fmt.Errorf("failed to hash YANG source: %w", err)
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}
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// Run the YANG compiler as a subprocess.
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cmd := exec.CommandContext(ctx, "python3", d.CompilerPath,
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"--site-config", siteConfigPath,
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"--output-format", "json",
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)
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output, err := cmd.Output()
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if err != nil {
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return fmt.Errorf("YANG compilation failed: %w", err)
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}
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d.log.Infow("YANG compilation complete", "site_config", siteConfigPath, "output_bytes", len(output))
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// TODO: Parse compiler output into vendor-specific payloads.
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// TODO: For each device mutation, dispatch SDK call through Bascule,
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// capture before/after config hashes, and submit NetworkMutationArtifact.
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_ = yangHash
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_ = sessionID
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return nil
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}
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func hashFile(path string) ([]byte, error) {
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data, err := exec.Command("cat", path).Output()
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if err != nil {
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return nil, err
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}
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hash := sha256.Sum256(data)
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return hash[:], nil
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}
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