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open-nomad/nomad/structs/service_registration_test.go

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structs: add service registration struct and basic composed funcs.
2022-02-28 09:14:40 +00:00
package structs
import (
"testing"
api: enable selecting subset of services using rendezvous hashing This PR adds the 'choose' query parameter to the '/v1/service/<service>' endpoint. The value of 'choose' is in the form '<number>|<key>', number is the number of desired services and key is a value unique but consistent to the requester (e.g. allocID). Folks aren't really expected to use this API directly, but rather through consul-template which will soon be getting a new helper function making use of this query parameter. Example, curl 'localhost:4646/v1/service/redis?choose=2|abc123' Note: consul-templte v0.29.1 includes the necessary nomadServices functionality.
2022-05-03 20:21:12 +00:00
"github.com/shoenig/test/must"
structs: add service registration struct and basic composed funcs.
2022-02-28 09:14:40 +00:00
"github.com/stretchr/testify/require"
)
func TestServiceRegistration_Copy(t *testing.T) {
sr := &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
}
newSR := sr.Copy()
require.True(t, sr.Equals(newSR))
}
func TestServiceRegistration_Equal(t *testing.T) {
testCases := []struct {
serviceReg1 *ServiceRegistration
serviceReg2 *ServiceRegistration
expectedOutput bool
name string
}{
{
serviceReg1: nil,
serviceReg2: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
expectedOutput: false,
name: "nil service registration composed",
},
{
serviceReg1: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
serviceReg2: nil,
expectedOutput: false,
name: "nil service registration func input",
},
{
serviceReg1: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
serviceReg2: &ServiceRegistration{
ID: "_nomad-group-2873cf75-42e5-7c45-ca1c-415f3e18be3dcache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
expectedOutput: false,
name: "ID not equal",
},
{
serviceReg1: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
serviceReg2: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "platform-example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
expectedOutput: false,
name: "service name not equal",
},
{
serviceReg1: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
serviceReg2: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "ba991c17-7ce5-9c20-78b7-311e63578583",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
expectedOutput: false,
name: "node ID not equal",
},
{
serviceReg1: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
serviceReg2: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc2",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
expectedOutput: false,
name: "datacenter not equal",
},
{
serviceReg1: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
serviceReg2: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "platform-example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
expectedOutput: false,
name: "job ID not equal",
},
{
serviceReg1: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
serviceReg2: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "ba991c17-7ce5-9c20-78b7-311e63578583",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
expectedOutput: false,
name: "alloc ID not equal",
},
{
serviceReg1: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
serviceReg2: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "platform",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
expectedOutput: false,
name: "namespace not equal",
},
{
serviceReg1: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
serviceReg2: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "10.10.13.13",
Port: 23813,
},
expectedOutput: false,
name: "address not equal",
},
{
serviceReg1: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
serviceReg2: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 33813,
},
expectedOutput: false,
name: "port not equal",
},
{
serviceReg1: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
serviceReg2: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"canary"},
Address: "192.168.13.13",
Port: 23813,
},
expectedOutput: false,
name: "tags not equal",
},
{
serviceReg1: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
serviceReg2: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
ServiceName: "example-cache",
Namespace: "default",
NodeID: "17a6d1c0-811e-2ca9-ded0-3d5d6a54904c",
Datacenter: "dc1",
JobID: "example",
AllocID: "2873cf75-42e5-7c45-ca1c-415f3e18be3d",
Tags: []string{"foo"},
Address: "192.168.13.13",
Port: 23813,
},
expectedOutput: true,
name: "both equal",
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
actualOutput := tc.serviceReg1.Equals(tc.serviceReg2)
require.Equal(t, tc.expectedOutput, actualOutput)
})
}
}
rpc: add service registration RPC endpoints.
2022-03-03 10:25:29 +00:00
service discovery: add pagination and filtering support to info requests (#12552) * services: add pagination and filter support to info RPC. * cli: add filter flag to service info command. * docs: add pagination and filter details to services info API. * paginator: minor updates to comment and func signature.
2022-04-13 05:41:44 +00:00
func TestServiceRegistration_GetID(t *testing.T) {
testCases := []struct {
inputServiceRegistration *ServiceRegistration
expectedOutput string
name string
}{
{
inputServiceRegistration: nil,
expectedOutput: "",
name: "nil input",
},
{
inputServiceRegistration: &ServiceRegistration{
ID: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
},
expectedOutput: "_nomad-task-2873cf75-42e5-7c45-ca1c-415f3e18be3d-group-cache-example-cache-db",
name: "generic input 1",
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
actualOutput := tc.inputServiceRegistration.GetID()
require.Equal(t, tc.expectedOutput, actualOutput)
})
}
}
func TestServiceRegistration_GetNamespace(t *testing.T) {
testCases := []struct {
inputServiceRegistration *ServiceRegistration
expectedOutput string
name string
}{
{
inputServiceRegistration: nil,
expectedOutput: "",
name: "nil input",
},
{
inputServiceRegistration: &ServiceRegistration{
Namespace: "platform",
},
expectedOutput: "platform",
name: "generic input 1",
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
actualOutput := tc.inputServiceRegistration.GetNamespace()
require.Equal(t, tc.expectedOutput, actualOutput)
})
}
}
rpc: add service registration RPC endpoints.
2022-03-03 10:25:29 +00:00
func TestServiceRegistrationListRequest_StaleReadSupport(t *testing.T) {
req := &ServiceRegistrationListRequest{}
require.True(t, req.IsRead())
}
func TestServiceRegistrationByNameRequest_StaleReadSupport(t *testing.T) {
req := &ServiceRegistrationByNameRequest{}
require.True(t, req.IsRead())
}
api: enable selecting subset of services using rendezvous hashing This PR adds the 'choose' query parameter to the '/v1/service/<service>' endpoint. The value of 'choose' is in the form '<number>|<key>', number is the number of desired services and key is a value unique but consistent to the requester (e.g. allocID). Folks aren't really expected to use this API directly, but rather through consul-template which will soon be getting a new helper function making use of this query parameter. Example, curl 'localhost:4646/v1/service/redis?choose=2|abc123' Note: consul-templte v0.29.1 includes the necessary nomadServices functionality.
2022-05-03 20:21:12 +00:00
func TestServiceRegistration_HashWith(t *testing.T) {
a := ServiceRegistration{
Address: "10.0.0.1",
Port: 9999,
}
// same service, same key -> same hash
must.Eq(t, a.HashWith("aaa"), a.HashWith("aaa"))
// same service, different key -> different hash
must.NotEq(t, a.HashWith("aaa"), a.HashWith("bbb"))
b := ServiceRegistration{
Address: "10.0.0.2",
Port: 9998,
}
// different service, same key -> different hash
must.NotEq(t, a.HashWith("aaa"), b.HashWith("aaa"))
// different service, different key -> different hash
must.NotEq(t, a.HashWith("aaa"), b.HashWith("bbb"))
}
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