/
vshard_group.go
39 lines (31 loc) · 972 Bytes
/
vshard_group.go
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package replicasets
import (
"fmt"
"github.com/tarantool/cartridge-cli/cli/cluster"
"github.com/tarantool/cartridge-cli/cli/connector"
"github.com/apex/log"
"github.com/tarantool/cartridge-cli/cli/context"
)
func ListVshardGroups(ctx *context.Ctx, args []string) error {
conn, err := cluster.ConnectToSomeRunningInstance(ctx)
if err != nil {
return fmt.Errorf("Failed to connect to Tarantool instance: %s", err)
}
req := connector.EvalReq(getKnownVshardGroupsBody)
var knownVshardGroups []string
if err := conn.ExecTyped(req, &knownVshardGroups); err != nil {
return fmt.Errorf("Failed to get known vshard groups: %s", err)
}
if len(knownVshardGroups) == 0 {
log.Infof(
"No vshard groups available. " +
"It's possible that your application hasn't vshard-router role registered",
)
} else {
log.Infof("Available vshard groups:")
for _, vshardGroup := range knownVshardGroups {
log.Infof(" %s", vshardGroup)
}
}
return nil
}