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feat(agent): give the public API client mirror failover

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The public-API go-client (search/popular/etc.) had no mirror failover while
the agent control-plane client did — a primary-domain takedown broke public
calls. Inject a MirrorRoundTripper that reuses the SAME MirrorPool type +
IsTransient policy, rotating to cfg.Auth.Mirrors on a transient error/5xx.
WithRetry(0) hands failover ownership to the transport (no nested retry).
This commit is contained in:
Deivid Soto 2026-06-01 15:53:00 +02:00
parent 3d51013935
commit 96b23ed051
3 changed files with 278 additions and 0 deletions
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18
internal/cmd/root.go
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@ -2,11 +2,14 @@ package cmd
import (
"fmt"
"net/http"
"os"
"time"
"github.com/fatih/color"
"github.com/spf13/cobra"
tc "github.com/torrentclaw/go-client"
"github.com/torrentclaw/unarr/internal/agent"
"github.com/torrentclaw/unarr/internal/config"
"github.com/torrentclaw/unarr/internal/sentry"
"github.com/torrentclaw/unarr/internal/upgrade"
@ -235,6 +238,21 @@ func getClient() *tc.Client {
opts = append(opts, tc.WithUserAgent("unarr/"+Version))
// Mirror failover for the public-API client, matching the agent control-plane
// client's resilience: wrap the transport so search/popular/etc. rotate across
// cfg.Auth.Mirrors on a primary takedown, using the same MirrorPool TYPE +
// IsTransient policy the agent client uses (a fresh pool instance — the two
// clients fail over independently). WithRetry(0) disables the go-client's own
// retry loop so the transport owns failover exclusively (no nested
// retry×backoff on an outage). WithTimeout(30s) is set idiomatically and gives
// room for a couple of mirror attempts (go-client's bare default is 15s).
pool := agent.NewMirrorPool(cfg.Auth.APIURL, cfg.Auth.Mirrors)
opts = append(opts,
tc.WithHTTPClient(&http.Client{Transport: agent.NewMirrorRoundTripper(pool, nil)}),
tc.WithTimeout(30*time.Second),
tc.WithRetry(0, 0, 0),
)
apiClient = tc.NewClient(opts...)
return apiClient
}