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provider: extract nocloud seed builder and keyedlock from kvm2

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kvm2's NoCloud seed builder moves to internal/provider/nocloud (exported,
with an ErrEmptyName sentinel instead of permanentf) and its keyed locks
to internal/provider/keyedlock, tests moved under their existing names.
kvm2 behaviour is unchanged. proxmox gains the per-name lock and the pure
seed helpers (seedISOName, seedVolID, buildSeed); unlike kvm2 (review
finding S5.1), a seed staging failure there is Transient, not Permanent.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
This commit is contained in:
kacerr
2026-09-23 14:01:27 +00:00
co-authored by Claude Opus 5.5
parent 6e996ae2c7
commit 0a6c8624f3
18 changed files with 504 additions and 185 deletions
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internal/provider/kvm2/create.go
+3 -2
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@@ -11,6 +11,7 @@ import (
"github.com/go-logr/logr"
"gitea.home.hrajfrisbee.cz/kacerr/egress-proxies-operator/internal/provider"
"gitea.home.hrajfrisbee.cz/kacerr/egress-proxies-operator/internal/provider/nocloud"
)
// The wait after DomainCreate (spec entry 18): Create returns only once the
@@ -191,12 +192,12 @@ func (p *Provider) writeSeed(ctx context.Context, log logr.Logger, be backend, p
return libvirt.StorageVol{}, err
}
installAgent := p.cfg.InstallGuestAgent == nil || *p.cfg.InstallGuestAgent
vendorData, err := buildVendorData(p.cfg.VendorData, installAgent)
vendorData, err := nocloud.BuildVendorData(p.cfg.VendorData, installAgent)
if err != nil {
return libvirt.StorageVol{}, permanentf("building vendor-data for %s: %v", req.Name, err)
}
var iso bytes.Buffer
if err := buildSeedISO(req.Name, req.CloudInit, vendorData, &iso); err != nil {
if err := nocloud.BuildSeedISO(req.Name, req.CloudInit, vendorData, &iso); err != nil {
return libvirt.StorageVol{}, permanentf("building seed ISO for %s: %v", req.Name, err)
}
xmlDoc, err := buildVolumeXML(volumeSpec{Name: name, CapacityBytes: int64(iso.Len()), Format: provider.KVMFormatRaw})