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135 lines
3.4 KiB
135 lines
3.4 KiB
package main
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import (
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"context"
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"fmt"
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"sort"
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"time"
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e2e "github.com/tendermint/tendermint/test/e2e/pkg"
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)
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func Start(ctx context.Context, testnet *e2e.Testnet) error {
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if len(testnet.Nodes) == 0 {
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return fmt.Errorf("no nodes in testnet")
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}
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// Nodes are already sorted by name. Sort them by name then startAt,
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// which gives the overall order startAt, mode, name.
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nodeQueue := testnet.Nodes
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sort.SliceStable(nodeQueue, func(i, j int) bool {
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a, b := nodeQueue[i], nodeQueue[j]
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switch {
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case a.Mode == b.Mode:
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return false
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case a.Mode == e2e.ModeSeed:
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return true
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case a.Mode == e2e.ModeValidator && b.Mode == e2e.ModeFull:
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return true
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}
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return false
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})
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sort.SliceStable(nodeQueue, func(i, j int) bool {
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return nodeQueue[i].StartAt < nodeQueue[j].StartAt
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})
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if nodeQueue[0].StartAt > 0 {
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return fmt.Errorf("no initial nodes in testnet")
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}
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// Start initial nodes (StartAt: 0)
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logger.Info("Starting initial network nodes...")
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for len(nodeQueue) > 0 && nodeQueue[0].StartAt == 0 {
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node := nodeQueue[0]
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nodeQueue = nodeQueue[1:]
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if err := execCompose(testnet.Dir, "up", "-d", node.Name); err != nil {
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return err
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}
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if err := func() error {
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ctx, cancel := context.WithTimeout(ctx, time.Minute)
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defer cancel()
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_, err := waitForNode(ctx, node, 0)
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return err
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}(); err != nil {
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return err
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}
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node.HasStarted = true
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logger.Info(fmt.Sprintf("Node %v up on http://127.0.0.1:%v", node.Name, node.ProxyPort))
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}
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networkHeight := testnet.InitialHeight
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// Wait for initial height
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logger.Info("Waiting for initial height",
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"height", networkHeight,
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"nodes", len(testnet.Nodes)-len(nodeQueue),
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"pending", len(nodeQueue))
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block, blockID, err := waitForHeight(ctx, testnet, networkHeight)
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if err != nil {
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return err
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}
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for _, node := range nodeQueue {
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if node.StartAt > networkHeight {
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// if we're starting a node that's ahead of
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// the last known height of the network, then
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// we should make sure that the rest of the
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// network has reached at least the height
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// that this node will start at before we
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// start the node.
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logger.Info("Waiting for network to advance to height",
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"node", node.Name,
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"last_height", networkHeight,
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"waiting_for", node.StartAt,
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"size", len(testnet.Nodes)-len(nodeQueue),
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"pending", len(nodeQueue))
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networkHeight = node.StartAt
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block, blockID, err = waitForHeight(ctx, testnet, networkHeight)
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if err != nil {
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return err
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}
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}
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// Update any state sync nodes with a trusted height and hash
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if node.StateSync != e2e.StateSyncDisabled || node.Mode == e2e.ModeLight {
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err = UpdateConfigStateSync(node, block.Height, blockID.Hash.Bytes())
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if err != nil {
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return err
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}
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}
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if err := execCompose(testnet.Dir, "up", "-d", node.Name); err != nil {
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return err
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}
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wctx, wcancel := context.WithTimeout(ctx, 8*time.Minute)
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status, err := waitForNode(wctx, node, node.StartAt)
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if err != nil {
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wcancel()
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return err
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}
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wcancel()
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node.HasStarted = true
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var lastNodeHeight int64
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// If the node is a light client, we fetch its current height
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if node.Mode == e2e.ModeLight {
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lastNodeHeight = status.LightClientInfo.LastTrustedHeight
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} else {
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lastNodeHeight = status.SyncInfo.LatestBlockHeight
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}
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logger.Info(fmt.Sprintf("Node %v up on http://127.0.0.1:%v at height %v",
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node.Name, node.ProxyPort, lastNodeHeight))
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}
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return nil
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}
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