EvoBGP/internal/store/backend.go

package store

import "time"

// Backend is the persistence abstraction for the control plane (memory, PostgreSQL, SQLite).
type Backend interface {
	MaterializedPrefixStats() (max int, sum int)
	PeerCount() int
	PeerSessionCountsByState() map[string]int
	// DemoIDs is non-empty only after SeedDemo (memory or seeded SQL).
	DemoIDs() (tenant, moduleCDN, moduleIP, revision, speaker string)

	// ListTenantIDs returns distinct tenant identifiers (for background workers).
	ListTenantIDs() ([]string, error)

	ListModules(tenantID string) []*Module
	GetModule(tenantID, moduleID string) (*Module, error)
	CreateModule(tenantID string, in *Module) (*Module, error)
	UpdateModule(tenantID, moduleID string, patch *ModulePatch) (*Module, error)
	SoftDeleteModule(tenantID, moduleID string) error

	ListCDNSources(tenantID, moduleID string) ([]*CDNSource, error)
	CreateCDNSource(tenantID, moduleID string, in *CDNSource) (*CDNSource, error)
	UpdateCDNSource(tenantID, moduleID, sourceID string, patch *CDNSourcePatch) (*CDNSource, error)
	DeleteCDNSource(tenantID, moduleID, sourceID string) error

	ListASEntries(tenantID, moduleID string) ([]*ASEntry, error)
	CreateASEntry(tenantID, moduleID string, in *ASEntry) (*ASEntry, error)
	UpdateASEntry(tenantID, moduleID, entryID string, patch *ASEntryPatch) (*ASEntry, error)
	DeleteASEntry(tenantID, moduleID, entryID string) error

	ListDomainEntries(tenantID, moduleID string) ([]*DomainEntry, error)
	CreateDomainEntry(tenantID, moduleID string, in *DomainEntry) (*DomainEntry, error)
	UpdateDomainEntry(tenantID, moduleID, entryID string, patch *DomainEntryPatch) (*DomainEntry, error)
	DeleteDomainEntry(tenantID, moduleID, entryID string) error

	ListIPRangeEntries(tenantID, moduleID string) ([]*IPRangeEntry, error)
	CreateIPRangeEntry(tenantID, moduleID string, in *IPRangeEntry) (*IPRangeEntry, error)
	UpdateIPRangeEntry(tenantID, moduleID, entryID string, patch *IPRangePatch) (*IPRangeEntry, error)
	DeleteIPRangeEntry(tenantID, moduleID, entryID string) error

	ListDohProfiles(tenantID string) ([]*DohProfile, error)
	GetDohProfile(tenantID, id string) (*DohProfile, error)
	CreateDohProfile(tenantID string, in *DohProfile) (*DohProfile, error)
	UpdateDohProfile(tenantID, id string, patch *DohProfilePatch) (*DohProfile, error)
	DeleteDohProfile(tenantID, id string) error

	ListCommunities(tenantID string) ([]*Community, error)
	GetCommunity(tenantID, id string) (*Community, error)
	CreateCommunity(tenantID string, in *Community) (*Community, error)
	UpdateCommunity(tenantID, id string, patch *CommunityPatch) (*Community, error)
	DeleteCommunity(tenantID, id string) error

	ListPeers(tenantID string) []*BGPPeer
	GetPeer(tenantID, id string) (*BGPPeer, error)
	CreatePeer(tenantID string, in *BGPPeer) (*BGPPeer, error)
	UpdatePeer(tenantID, id string, patch *PeerPatch) (*BGPPeer, error)
	DeletePeer(tenantID, id string) error

	ListSpeakersForTenant(tenantID string) []*Speaker
	GetSpeaker(tenantID, speakerID string) (*Speaker, error)
	GetSpeakerAnyTenant(speakerID string) (*Speaker, error)
	CreateSpeaker(tenantID string, in *Speaker) (*Speaker, error)
	UpdateSpeaker(tenantID, id string, patch *SpeakerPatch) (*Speaker, error)

	GetRevision(tenantID, revisionID string) (*Revision, error)
	ListRevisions(tenantID, moduleID string, cursor string, limit int) (items []*Revision, nextCursor string, hasMore bool)
	ListRevisionPrefixes(tenantID, revisionID string, cursor string, limit int) (prefixes []PrefixRow, next string, more bool)
	CreateRollbackRevision(tenantID, sourceRevisionID string) (newID string, err error)
	// CreateRenderRevision inserts a new config_revision (revID must be unique) with materialized prefixes and preview fragments.
	CreateRenderRevision(revisionID, tenantID, moduleID string, parentRevisionID *string, contentHash string, previewFragments map[string]string, prefixes []PrefixRow) error
	RevisionDiff(tenantID, aID, bID string) (map[string]any, error)
	SetLastAppliedRevision(tenantID, speakerID, revisionID string) error
	PublishRevisionForSpeaker(speakerID, revisionID string) error
	LatestPublishedRevision(speakerID string) (revisionID string, publishedAt time.Time, err error)

	ListGlobalSettings(tenantID string) (map[string]any, error)
	PatchGlobalSettings(tenantID string, patch map[string]any) error
}

// ModulePatch is a partial update for module.
type ModulePatch struct {
	Name                 *string `json:"name,omitempty"`
	Enabled              *bool   `json:"enabled,omitempty"`
	Priority             *int    `json:"priority,omitempty"`
	RefreshIntervalSec   *int    `json:"refresh_interval_sec,omitempty"`
	CronExpr             *string `json:"cron_expr,omitempty"`
	DefaultCommunityID   *string `json:"default_community_id,omitempty"`
	DohProfileID         *string `json:"doh_profile_id,omitempty"`
}

// CDNSource is a row under a CDN module.
type CDNSource struct {
	ID                   string  `json:"id,omitempty"`
	ModuleID             string  `json:"module_id,omitempty"`
	SourceKind           string  `json:"source_kind"`
	URL                  string  `json:"url"`
	Etag                 string  `json:"etag"`
	RefreshIntervalSec   *int    `json:"refresh_interval_sec"`
	CommunityID          *string `json:"community_id"`
}

type CDNSourcePatch struct {
	SourceKind         *string `json:"source_kind,omitempty"`
	URL                *string `json:"url,omitempty"`
	Etag               *string `json:"etag,omitempty"`
	RefreshIntervalSec *int    `json:"refresh_interval_sec,omitempty"`
	CommunityID        *string `json:"community_id,omitempty"`
}

type ASEntry struct {
	ID          string  `json:"id,omitempty"`
	ModuleID    string  `json:"module_id,omitempty"`
	ASN         int64   `json:"asn"`
	CommunityID *string `json:"community_id"`
}

type ASEntryPatch struct {
	ASN         *int64  `json:"asn,omitempty"`
	CommunityID *string `json:"community_id,omitempty"`
}

// ValidASN reports whether n is a usable BGP ASN (1..4294967295).
func ValidASN(n int64) bool {
	return n >= 1 && n <= 4294967295
}

type DomainEntry struct {
	ID           string  `json:"id,omitempty"`
	ModuleID     string  `json:"module_id,omitempty"`
	FQDN         string  `json:"fqdn"`
	CommunityID  *string `json:"community_id"`
}

type DomainEntryPatch struct {
	FQDN        *string `json:"fqdn,omitempty"`
	CommunityID *string `json:"community_id,omitempty"`
}

type IPRangeEntry struct {
	ID           string  `json:"id,omitempty"`
	ModuleID     string  `json:"module_id,omitempty"`
	Prefix       string  `json:"prefix"`
	CommunityID  *string `json:"community_id"`
}

type IPRangePatch struct {
	Prefix      *string `json:"prefix,omitempty"`
	CommunityID *string `json:"community_id,omitempty"`
}

type DohProfile struct {
	ID         string  `json:"id,omitempty"`
	TenantID   string  `json:"tenant_id,omitempty"`
	Name       string  `json:"name"`
	URL        string  `json:"url"`
	TimeoutMs  *int    `json:"timeout_ms"`
	SecretRef  *string `json:"vault_secret_ref"`
}

type DohProfilePatch struct {
	Name      *string `json:"name,omitempty"`
	URL       *string `json:"url,omitempty"`
	TimeoutMs *int    `json:"timeout_ms,omitempty"`
	SecretRef *string `json:"vault_secret_ref,omitempty"`
}

type Community struct {
	ID        string `json:"id,omitempty"`
	TenantID  string `json:"tenant_id,omitempty"`
	Name      string `json:"name"`
	Kind      string `json:"kind"`
	ValueJSON string `json:"value_json"`
}

type CommunityPatch struct {
	Name      *string `json:"name,omitempty"`
	Kind      *string `json:"kind,omitempty"`
	ValueJSON *string `json:"value_json,omitempty"`
}

type PeerPatch struct {
	Neighbor     *string `json:"neighbor,omitempty"`
	RemoteASN    *int64  `json:"remote_asn,omitempty"`
	SpeakerID    *string `json:"bgp_speaker_id,omitempty"`
	Enabled      *bool   `json:"enabled,omitempty"`
	Name         *string `json:"name,omitempty"`
	SessionState *string `json:"session_state,omitempty"`
	PoliciesJSON *string `json:"policies_json,omitempty"`
}

type SpeakerPatch struct {
	Role     *string `json:"role,omitempty"`
	Endpoint *string `json:"endpoint,omitempty"`
	MetaJSON *string `json:"meta_json,omitempty"`
}

// PrefixRow is one materialized prefix for GET /revisions/.../prefixes.
type PrefixRow struct {
	Prefix       string
	CommunityID  *string
	Source       string
}