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authorLinus Nordberg <linus@nordberg.se>2022-05-25 08:38:42 +0200
committerLinus Nordberg <linus@nordberg.se>2022-05-25 08:38:42 +0200
commitdc8b3cd87b5c2dff55981900e31ed059ee9c688c (patch)
tree3b5a031c28a1bb411e551fe5de9ccf98177cb275 /pkg/state/single_sec.go
parentc003c2fc189748f082c09a2b4a729eb1c5732668 (diff)
Revert "wip"
This reverts commit c003c2fc189748f082c09a2b4a729eb1c5732668. Should not have been pushed to main but rather branch linus/roles. Sorry about that.
Diffstat (limited to 'pkg/state/single_sec.go')
-rw-r--r--pkg/state/single_sec.go108
1 files changed, 0 insertions, 108 deletions
diff --git a/pkg/state/single_sec.go b/pkg/state/single_sec.go
deleted file mode 100644
index 9c69fa8..0000000
--- a/pkg/state/single_sec.go
+++ /dev/null
@@ -1,108 +0,0 @@
-package state
-
-import (
- "context"
- "crypto"
- "crypto/ed25519"
- "fmt"
- "sync"
- "time"
-
- "git.sigsum.org/log-go/pkg/client"
- "git.sigsum.org/log-go/pkg/db"
- "git.sigsum.org/sigsum-go/pkg/log"
- //"git.sigsum.org/sigsum-go/pkg/requests"
- "git.sigsum.org/sigsum-go/pkg/types"
-)
-
-// StateManagerSingleSecondary implements a single-instance StateManager for secondary nodes
-type StateManagerSingleSecondary struct {
- client db.Client
- signer crypto.Signer
- namespace types.Hash
- interval time.Duration
- deadline time.Duration
- primary *client.Client
-
- // Lock-protected access to pointers. A write lock is only obtained once
- // per interval when doing pointer rotation. All endpoints are readers.
- sync.RWMutex
- signedTreeHead *types.SignedTreeHead
-}
-
-func NewStateManagerSingleSecondary(dbcli db.Client, signer crypto.Signer, interval, deadline time.Duration, primurl string, primpk types.PublicKey) (*StateManagerSingleSecondary, error) {
- sm := &StateManagerSingleSecondary{
- client: dbcli,
- signer: signer,
- namespace: *types.HashFn(signer.Public().(ed25519.PublicKey)),
- interval: interval,
- deadline: deadline,
- primary: client.NewClient(primurl, primpk),
- }
- sth, err := sm.latestSTH(context.Background())
- sm.setSignedTreeHead(sth)
- return sm, err
-}
-
-func (sm *StateManagerSingleSecondary) Run(ctx context.Context) {
- rotation := func() {
- nextSTH, err := sm.latestSTH(ctx)
- if err != nil {
- log.Warning("cannot rotate without tree head: %v", err)
- return
- }
- sm.rotate(nextSTH)
- }
-
- ticker := time.NewTicker(sm.interval)
- defer ticker.Stop()
-
- // TODO: fetch leaves from primary
-
- rotation()
- for {
- select {
- case <-ticker.C:
- rotation()
- case <-ctx.Done():
- return
- }
- }
-}
-
-func (sm *StateManagerSingleSecondary) AddCosignature(ctx context.Context, pub *types.PublicKey, sig *types.Signature) error {
- return fmt.Errorf("internal error: AddCosignature() called in secondary node")
-}
-func (sm *StateManagerSingleSecondary) CosignedTreeHead(_ context.Context) (*types.CosignedTreeHead, error) {
- return nil, fmt.Errorf("internal error: AddCosignature() called in secondary node")
-}
-func (sm *StateManagerSingleSecondary) ToCosignTreeHead(_ context.Context) (*types.SignedTreeHead, error) {
- return nil, fmt.Errorf("internal error: AddCosignature() called in secondary node")
-}
-
-func (sm *StateManagerSingleSecondary) setSignedTreeHead(nextSTH *types.SignedTreeHead) {
- sm.signedTreeHead = nextSTH
-}
-
-func (sm *StateManagerSingleSecondary) latestSTH(ctx context.Context) (*types.SignedTreeHead, error) {
- ictx, cancel := context.WithTimeout(ctx, sm.deadline)
- defer cancel()
-
- th, err := sm.client.GetTreeHead(ictx)
- if err != nil {
- return nil, fmt.Errorf("failed fetching tree head: %v", err)
- }
- sth, err := th.Sign(sm.signer, &sm.namespace)
- if err != nil {
- return nil, fmt.Errorf("failed signing tree head: %v", err)
- }
- return sth, nil
-}
-
-func (sm *StateManagerSingleSecondary) rotate(nextSTH *types.SignedTreeHead) {
- sm.Lock()
- defer sm.Unlock()
-
- log.Debug("rotating tree heads")
- sm.setSignedTreeHead(nextSTH)
-}