mirror of https://github.com/hashicorp/consul
28 lines
667 B
Go
28 lines
667 B
Go
package testrpc
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import (
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"testing"
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"github.com/hashicorp/consul/agent/consul/structs"
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"github.com/hashicorp/consul/testutil/retry"
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)
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type rpcFn func(string, interface{}, interface{}) error
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func WaitForLeader(t *testing.T, rpc rpcFn, dc string) {
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var out structs.IndexedNodes
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retry.Run(t, func(r *retry.R) {
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// Ensure we have a leader and a node registration.
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args := &structs.DCSpecificRequest{Datacenter: dc}
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if err := rpc("Catalog.ListNodes", args, &out); err != nil {
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r.Fatalf("Catalog.ListNodes failed: %v", err)
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}
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if !out.QueryMeta.KnownLeader {
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r.Fatalf("No leader")
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}
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if out.Index == 0 {
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r.Fatalf("Consul index is 0")
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}
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})
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}
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