本文整理匯總了Golang中github.com/hashicorp/consul/consul/structs.QuerySource.Datacenter方法的典型用法代碼示例。如果您正苦於以下問題：Golang QuerySource.Datacenter方法的具體用法？Golang QuerySource.Datacenter怎麽用？Golang QuerySource.Datacenter使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/hashicorp/consul/consul/structs.QuerySource的用法示例。
在下文中一共展示了QuerySource.Datacenter方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: TestRtt_sortNodesByDistanceFrom
func TestRtt_sortNodesByDistanceFrom(t *testing.T) {
dir, server := testServer(t)
defer os.RemoveAll(dir)
defer server.Shutdown()
codec := rpcClient(t, server)
defer codec.Close()
testutil.WaitForLeader(t, server.RPC, "dc1")
seedCoordinates(t, codec, server)
nodes := structs.Nodes{
&structs.Node{Node: "apple"},
&structs.Node{Node: "node1"},
&structs.Node{Node: "node2"},
&structs.Node{Node: "node3"},
&structs.Node{Node: "node4"},
&structs.Node{Node: "node5"},
}
// The zero value for the source should not trigger any sorting.
var source structs.QuerySource
if err := server.sortNodesByDistanceFrom(source, nodes); err != nil {
t.Fatalf("err: %v", err)
}
verifyNodeSort(t, nodes, "apple,node1,node2,node3,node4,node5")
// Same for a source in some other DC.
source.Node = "node1"
source.Datacenter = "dc2"
if err := server.sortNodesByDistanceFrom(source, nodes); err != nil {
t.Fatalf("err: %v", err)
}
verifyNodeSort(t, nodes, "apple,node1,node2,node3,node4,node5")
// Same for a source node in our DC that we have no coordinate for.
source.Node = "apple"
source.Datacenter = "dc1"
if err := server.sortNodesByDistanceFrom(source, nodes); err != nil {
t.Fatalf("err: %v", err)
}
verifyNodeSort(t, nodes, "apple,node1,node2,node3,node4,node5")
// Set source to legit values relative to node1 but disable coordinates.
source.Node = "node1"
source.Datacenter = "dc1"
server.config.DisableCoordinates = true
if err := server.sortNodesByDistanceFrom(source, nodes); err != nil {
t.Fatalf("err: %v", err)
}
verifyNodeSort(t, nodes, "apple,node1,node2,node3,node4,node5")
// Now enable coordinates and sort relative to node1, note that apple
// doesn't have any seeded coordinate info so it should end up at the
// end, despite its lexical hegemony.
server.config.DisableCoordinates = false
if err := server.sortNodesByDistanceFrom(source, nodes); err != nil {
t.Fatalf("err: %v", err)
}
verifyNodeSort(t, nodes, "node1,node4,node5,node2,node3,apple")
}示例2: TestRtt_sortNodesByDistanceFrom_CheckServiceNodes
func TestRtt_sortNodesByDistanceFrom_CheckServiceNodes(t *testing.T) {
dir, server := testServer(t)
defer os.RemoveAll(dir)
defer server.Shutdown()
codec := rpcClient(t, server)
defer codec.Close()
testutil.WaitForLeader(t, server.RPC, "dc1")
seedCoordinates(t, codec, server)
nodes := structs.CheckServiceNodes{
structs.CheckServiceNode{Node: &structs.Node{Node: "apple"}},
structs.CheckServiceNode{Node: &structs.Node{Node: "node1"}},
structs.CheckServiceNode{Node: &structs.Node{Node: "node2"}},
structs.CheckServiceNode{Node: &structs.Node{Node: "node3"}},
structs.CheckServiceNode{Node: &structs.Node{Node: "node4"}},
structs.CheckServiceNode{Node: &structs.Node{Node: "node5"}},
}
// Now sort relative to node1, note that apple doesn't have any
// seeded coordinate info so it should end up at the end, despite
// its lexical hegemony.
var source structs.QuerySource
source.Node = "node1"
source.Datacenter = "dc1"
if err := server.sortNodesByDistanceFrom(source, nodes); err != nil {
t.Fatalf("err: %v", err)
}
verifyCheckServiceNodeSort(t, nodes, "node1,node4,node5,node2,node3,apple")
// Try another sort from node2. Note that node5 and node3 are the
// same distance away so the stable sort should preserve the order
// they were in from the previous sort.
source.Node = "node2"
source.Datacenter = "dc1"
if err := server.sortNodesByDistanceFrom(source, nodes); err != nil {
t.Fatalf("err: %v", err)
}
verifyCheckServiceNodeSort(t, nodes, "node2,node5,node3,node4,node1,apple")
// Let's exercise the stable sort explicitly to make sure we didn't
// just get lucky.
nodes[1], nodes[2] = nodes[2], nodes[1]
if err := server.sortNodesByDistanceFrom(source, nodes); err != nil {
t.Fatalf("err: %v", err)
}
verifyCheckServiceNodeSort(t, nodes, "node2,node3,node5,node4,node1,apple")
}