consul/testing/deployer/sprawl/consul.go

99 lines
2.3 KiB
Go

package sprawl
import (
"errors"
"fmt"
"time"
"github.com/hashicorp/consul/api"
"github.com/hashicorp/consul/testing/deployer/sprawl/internal/secrets"
"github.com/hashicorp/consul/testing/deployer/topology"
"github.com/hashicorp/consul/testing/deployer/util"
)
func getLeader(client *api.Client) (string, error) {
leaderAdd, err := client.Status().Leader()
if err != nil {
return "", fmt.Errorf("could not query leader: %w", err)
}
if leaderAdd == "" {
return "", errors.New("no leader available")
}
return leaderAdd, nil
}
func (s *Sprawl) waitForLeader(cluster *topology.Cluster) {
var (
client = s.clients[cluster.Name]
logger = s.logger.With("cluster", cluster.Name)
)
for {
leader, err := client.Status().Leader()
if leader != "" && err == nil {
logger.Info("cluster has leader", "leader_addr", leader)
return
}
logger.Info("cluster has no leader yet", "error", err)
time.Sleep(500 * time.Millisecond)
}
}
func (s *Sprawl) rejoinAllConsulServers() error {
// Join the servers together.
for _, cluster := range s.topology.Clusters {
if err := s.rejoinServers(cluster); err != nil {
return fmt.Errorf("rejoinServers[%s]: %w", cluster.Name, err)
}
s.waitForLeader(cluster)
}
return nil
}
func (s *Sprawl) rejoinServers(cluster *topology.Cluster) error {
var (
// client = s.clients[cluster.Name]
logger = s.logger.With("cluster", cluster.Name)
)
servers := cluster.ServerNodes()
recoveryToken := s.secrets.ReadGeneric(cluster.Name, secrets.AgentRecovery)
node0, rest := servers[0], servers[1:]
client, err := util.ProxyNotPooledAPIClient(
node0.LocalProxyPort(),
node0.LocalAddress(),
8500,
recoveryToken,
)
if err != nil {
return fmt.Errorf("could not get client for %q: %w", node0.ID(), err)
}
logger.Info("joining servers together",
"from", node0.ID(),
"rest", nodeSliceToNodeIDSlice(rest),
)
for _, node := range rest {
for {
err = client.Agent().Join(node.LocalAddress(), false)
if err == nil {
break
}
logger.Warn("could not join", "from", node0.ID(), "to", node.ID(), "error", err)
time.Sleep(500 * time.Millisecond)
}
}
return nil
}
func nodeSliceToNodeIDSlice(nodes []*topology.Node) []topology.NodeID {
var out []topology.NodeID
for _, node := range nodes {
out = append(out, node.ID())
}
return out
}