Sebastian UnterschützandClaude Fable 5.2
4287b7b650
- read netssh.yaml from the user config directory only, not from the working directory - refuse addresses from NetBox or the cache that are neither an IP address nor a hostname (ssh read "-oProxyCommand=…" as an option) - resolver chain stops at an API failure; only "no address" falls through to the next strategy - netssh --help and -h show netssh's help - start at most one background cache refresh per 5 minutes - validate the legacy netbox.url - page through all IP addresses of a host - CI: run format check, vet, and tests on pull requests and main - changelog for v0.0.25 Co-Authored-By: Claude Fable 5.2 <noreply@anthropic.com>
48 lines
1.5 KiB
Go
48 lines
1.5 KiB
Go
package resolver
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import (
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"context"
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"errors"
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"fmt"
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"net/http"
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"net/url"
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"git.zb-server.de/Sebi/ssh-netbox-wrapper/internal/netbox"
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)
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// InterfaceNameStrategy finds the first IP assigned to a named interface (e.g. "mgmt0", "eth0").
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type InterfaceNameStrategy struct {
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name string
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}
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func (s *InterfaceNameStrategy) Name() string { return "interface_name" }
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func (s *InterfaceNameStrategy) Resolve(ctx context.Context, entry *netbox.HostEntry, client *netbox.Client) (string, error) {
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// NetBox filters IP addresses by interface name with interface= (devices)
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// and vminterface= (VMs); unknown parameters would be ignored silently and
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// return every address of the host. A missing interface is an HTTP 400,
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// which lets the chain try the next strategy.
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var filterParam string
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switch entry.Kind {
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case "device":
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filterParam = fmt.Sprintf("device_id=%d&interface=%s", entry.ID, url.QueryEscape(s.name))
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case "vm":
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filterParam = fmt.Sprintf("virtual_machine_id=%d&vminterface=%s", entry.ID, url.QueryEscape(s.name))
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default:
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return "", fmt.Errorf("unknown kind %q", entry.Kind)
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}
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ips, err := client.GetIPsWithFilterForHost(ctx, *entry, filterParam)
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var status *netbox.StatusError
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if errors.As(err, &status) && status.Code == http.StatusBadRequest {
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return "", ErrNoIP // the host has no interface of this name
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}
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if err != nil {
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return "", fmt.Errorf("fetching IPs for interface %q: %w", s.name, err)
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}
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if len(ips) == 0 {
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return "", ErrNoIP
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}
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return ips[0], nil
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}
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