643 lines
18 KiB
Go
643 lines
18 KiB
Go
package consul
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import (
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"fmt"
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"testing"
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"time"
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"github.com/hashicorp/consul/api"
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"github.com/hashicorp/nomad/helper/testlog"
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"github.com/hashicorp/nomad/helper/uuid"
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"github.com/hashicorp/nomad/nomad/structs"
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"github.com/stretchr/testify/require"
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)
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func TestSyncLogic_agentServiceUpdateRequired(t *testing.T) {
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t.Parallel()
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// the service as known by nomad
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wanted := func() api.AgentServiceRegistration {
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return api.AgentServiceRegistration{
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Kind: "",
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ID: "aca4c175-1778-5ef4-0220-2ab434147d35",
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Name: "myservice",
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Tags: []string{"a", "b"},
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Port: 9000,
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Address: "1.1.1.1",
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EnableTagOverride: true,
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Meta: map[string]string{"foo": "1"},
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Connect: &api.AgentServiceConnect{
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Native: false,
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SidecarService: &api.AgentServiceRegistration{
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Kind: "connect-proxy",
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ID: "_nomad-task-8e8413af-b5bb-aa67-2c24-c146c45f1ec9-group-mygroup-myservice-9001-sidecar-proxy",
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Name: "name-sidecar-proxy",
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Tags: []string{"x", "y", "z"},
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Proxy: &api.AgentServiceConnectProxyConfig{
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Upstreams: []api.Upstream{{
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Datacenter: "dc1",
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DestinationName: "dest1",
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}},
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},
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},
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},
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}
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}
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// the service (and + connect proxy) as known by consul
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existing := &api.AgentService{
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Kind: "",
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ID: "aca4c175-1778-5ef4-0220-2ab434147d35",
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Service: "myservice",
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Tags: []string{"a", "b"},
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Port: 9000,
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Address: "1.1.1.1",
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EnableTagOverride: true,
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Meta: map[string]string{"foo": "1"},
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}
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sidecar := &api.AgentService{
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Kind: "connect-proxy",
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ID: "_nomad-task-8e8413af-b5bb-aa67-2c24-c146c45f1ec9-group-mygroup-myservice-9001-sidecar-proxy",
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Service: "myservice-sidecar-proxy",
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Tags: []string{"x", "y", "z"},
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Proxy: &api.AgentServiceConnectProxyConfig{
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Upstreams: []api.Upstream{{
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Datacenter: "dc1",
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DestinationName: "dest1",
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}},
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},
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}
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// By default wanted and existing match. Each test should modify wanted in
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// 1 way, and / or configure the type of sync operation that is being
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// considered, then evaluate the result of the update-required algebra.
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type asr = api.AgentServiceRegistration
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type tweaker func(w asr) *asr // create a conveniently modifiable copy
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try := func(
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t *testing.T,
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exp bool,
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reason syncReason,
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tweak tweaker) {
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result := agentServiceUpdateRequired(reason, tweak(wanted()), existing, sidecar)
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require.Equal(t, exp, result)
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}
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t.Run("matching", func(t *testing.T) {
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try(t, false, syncNewOps, func(w asr) *asr {
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return &w
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})
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})
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t.Run("different kind", func(t *testing.T) {
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try(t, true, syncNewOps, func(w asr) *asr {
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w.Kind = "other"
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return &w
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})
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})
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t.Run("different id", func(t *testing.T) {
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try(t, true, syncNewOps, func(w asr) *asr {
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w.ID = "_other"
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return &w
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})
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})
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t.Run("different port", func(t *testing.T) {
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try(t, true, syncNewOps, func(w asr) *asr {
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w.Port = 9001
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return &w
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})
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})
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t.Run("different address", func(t *testing.T) {
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try(t, true, syncNewOps, func(w asr) *asr {
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w.Address = "2.2.2.2"
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return &w
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})
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})
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t.Run("different name", func(t *testing.T) {
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try(t, true, syncNewOps, func(w asr) *asr {
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w.Name = "bob"
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return &w
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})
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})
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t.Run("different enable_tag_override", func(t *testing.T) {
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try(t, true, syncNewOps, func(w asr) *asr {
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w.EnableTagOverride = false
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return &w
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})
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})
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t.Run("different meta", func(t *testing.T) {
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try(t, true, syncNewOps, func(w asr) *asr {
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w.Meta = map[string]string{"foo": "2"}
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return &w
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})
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})
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t.Run("different sidecar upstream", func(t *testing.T) {
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try(t, true, syncNewOps, func(w asr) *asr {
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w.Connect.SidecarService.Proxy.Upstreams[0].DestinationName = "dest2"
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return &w
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})
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})
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t.Run("remove sidecar upstream", func(t *testing.T) {
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try(t, true, syncNewOps, func(w asr) *asr {
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w.Connect.SidecarService.Proxy.Upstreams = nil
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return &w
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})
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})
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t.Run("additional sidecar upstream", func(t *testing.T) {
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try(t, true, syncNewOps, func(w asr) *asr {
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w.Connect.SidecarService.Proxy.Upstreams = append(
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w.Connect.SidecarService.Proxy.Upstreams,
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api.Upstream{
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Datacenter: "dc2",
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DestinationName: "dest2",
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},
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)
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return &w
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})
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})
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t.Run("nil proxy block", func(t *testing.T) {
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try(t, true, syncNewOps, func(w asr) *asr {
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w.Connect.SidecarService.Proxy = nil
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return &w
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})
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})
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t.Run("different tags syncNewOps eto=true", func(t *testing.T) {
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// sync is required even though eto=true, because NewOps indicates the
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// service definition in nomad has changed (e.g. job run a modified job)
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try(t, true, syncNewOps, func(w asr) *asr {
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w.Tags = []string{"other", "tags"}
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return &w
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})
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})
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t.Run("different tags syncPeriodic eto=true", func(t *testing.T) {
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// sync is not required since eto=true and this is a periodic sync
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// with consul - in which case we keep Consul's definition of the tags
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try(t, false, syncPeriodic, func(w asr) *asr {
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w.Tags = []string{"other", "tags"}
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return &w
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})
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})
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t.Run("different sidecar tags on syncPeriodic eto=true", func(t *testing.T) {
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try(t, false, syncPeriodic, func(w asr) *asr {
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// like the parent service, the sidecar's tags do not get enforced
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// if ETO is true and this is a periodic sync
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w.Connect.SidecarService.Tags = []string{"other", "tags"}
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return &w
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})
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})
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t.Run("different sidecar tags on syncNewOps eto=true", func(t *testing.T) {
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try(t, true, syncNewOps, func(w asr) *asr {
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// like the parent service, the sidecar's tags always get enforced
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// regardless of ETO if this is a sync due to applied operations
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w.Connect.SidecarService.Tags = []string{"other", "tags"}
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return &w
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})
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})
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// for remaining tests, EnableTagOverride = false
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existing.EnableTagOverride = false
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t.Run("different tags syncPeriodic eto=false", func(t *testing.T) {
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// sync is required because eto=false and the tags do not match
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try(t, true, syncPeriodic, func(w asr) *asr {
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w.EnableTagOverride = false
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w.Tags = []string{"other", "tags"}
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return &w
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})
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})
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t.Run("different tags syncNewOps eto=false", func(t *testing.T) {
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// sync is required because eto=false and the tags do not match
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try(t, true, syncNewOps, func(w asr) *asr {
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w.EnableTagOverride = false
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w.Tags = []string{"other", "tags"}
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return &w
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})
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})
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t.Run("different sidecar tags on syncPeriodic eto=false", func(t *testing.T) {
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// like the parent service, sync is required because eto=false and the
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// sidecar's tags do not match
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try(t, true, syncPeriodic, func(w asr) *asr {
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w.EnableTagOverride = false
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w.Connect.SidecarService.Tags = []string{"other", "tags"}
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return &w
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})
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})
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t.Run("different sidecar tags syncNewOps eto=false", func(t *testing.T) {
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// like the parent service, sync is required because eto=false and the
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// sidecar's tags do not match
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try(t, true, syncNewOps, func(w asr) *asr {
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w.EnableTagOverride = false
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w.Connect.SidecarService.Tags = []string{"other", "tags"}
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return &w
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})
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})
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}
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func TestSyncLogic_tagsDifferent(t *testing.T) {
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t.Run("nil nil", func(t *testing.T) {
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require.False(t, tagsDifferent(nil, nil))
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})
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t.Run("empty nil", func(t *testing.T) {
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// where reflect.DeepEqual does not work
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require.False(t, tagsDifferent([]string{}, nil))
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})
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t.Run("empty empty", func(t *testing.T) {
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require.False(t, tagsDifferent([]string{}, []string{}))
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})
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t.Run("set empty", func(t *testing.T) {
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require.True(t, tagsDifferent([]string{"A"}, []string{}))
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})
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t.Run("set nil", func(t *testing.T) {
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require.True(t, tagsDifferent([]string{"A"}, nil))
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})
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t.Run("different content", func(t *testing.T) {
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require.True(t, tagsDifferent([]string{"A"}, []string{"B"}))
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})
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t.Run("different lengths", func(t *testing.T) {
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require.True(t, tagsDifferent([]string{"A"}, []string{"A", "B"}))
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})
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}
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func TestSyncLogic_sidecarTagsDifferent(t *testing.T) {
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type tc struct {
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parent, wanted, sidecar []string
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expect bool
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}
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try := func(t *testing.T, test tc) {
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result := sidecarTagsDifferent(test.parent, test.wanted, test.sidecar)
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require.Equal(t, test.expect, result)
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}
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try(t, tc{parent: nil, wanted: nil, sidecar: nil, expect: false})
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// wanted is nil, compare sidecar to parent
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try(t, tc{parent: []string{"foo"}, wanted: nil, sidecar: nil, expect: true})
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try(t, tc{parent: []string{"foo"}, wanted: nil, sidecar: []string{"foo"}, expect: false})
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try(t, tc{parent: []string{"foo"}, wanted: nil, sidecar: []string{"bar"}, expect: true})
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try(t, tc{parent: nil, wanted: nil, sidecar: []string{"foo"}, expect: true})
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// wanted is non-nil, compare sidecar to wanted
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try(t, tc{parent: nil, wanted: []string{"foo"}, sidecar: nil, expect: true})
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try(t, tc{parent: nil, wanted: []string{"foo"}, sidecar: []string{"foo"}, expect: false})
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try(t, tc{parent: nil, wanted: []string{"foo"}, sidecar: []string{"bar"}, expect: true})
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try(t, tc{parent: []string{"foo"}, wanted: []string{"foo"}, sidecar: []string{"bar"}, expect: true})
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}
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func TestSyncLogic_maybeTweakTags(t *testing.T) {
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t.Parallel()
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differentPointers := func(a, b []string) bool {
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return &(a) != &(b)
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}
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try := func(inConsul, inConsulSC []string, eto bool) {
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wanted := &api.AgentServiceRegistration{
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Tags: []string{"original"},
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Connect: &api.AgentServiceConnect{
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SidecarService: &api.AgentServiceRegistration{
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Tags: []string{"original-sidecar"},
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},
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},
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EnableTagOverride: eto,
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}
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existing := &api.AgentService{Tags: inConsul}
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sidecar := &api.AgentService{Tags: inConsulSC}
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maybeTweakTags(wanted, existing, sidecar)
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switch eto {
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case false:
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require.Equal(t, []string{"original"}, wanted.Tags)
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require.Equal(t, []string{"original-sidecar"}, wanted.Connect.SidecarService.Tags)
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require.True(t, differentPointers(wanted.Tags, wanted.Connect.SidecarService.Tags))
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case true:
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require.Equal(t, inConsul, wanted.Tags)
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require.Equal(t, inConsulSC, wanted.Connect.SidecarService.Tags)
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require.True(t, differentPointers(wanted.Tags, wanted.Connect.SidecarService.Tags))
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}
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}
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try([]string{"original"}, []string{"original-sidecar"}, true)
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try([]string{"original"}, []string{"original-sidecar"}, false)
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try([]string{"modified"}, []string{"original-sidecar"}, true)
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try([]string{"modified"}, []string{"original-sidecar"}, false)
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try([]string{"original"}, []string{"modified-sidecar"}, true)
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try([]string{"original"}, []string{"modified-sidecar"}, false)
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try([]string{"modified"}, []string{"modified-sidecar"}, true)
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try([]string{"modified"}, []string{"modified-sidecar"}, false)
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}
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func TestSyncLogic_maybeTweakTags_emptySC(t *testing.T) {
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t.Parallel()
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// Check the edge cases where the connect service is deleted on the nomad
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// side (i.e. are we checking multiple nil pointers).
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try := func(asr *api.AgentServiceRegistration) {
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existing := &api.AgentService{Tags: []string{"a", "b"}}
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sidecar := &api.AgentService{Tags: []string{"a", "b"}}
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maybeTweakTags(asr, existing, sidecar)
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require.False(t, !tagsDifferent([]string{"original"}, asr.Tags))
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}
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try(&api.AgentServiceRegistration{
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Tags: []string{"original"},
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EnableTagOverride: true,
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Connect: nil, // ooh danger!
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})
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try(&api.AgentServiceRegistration{
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Tags: []string{"original"},
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EnableTagOverride: true,
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Connect: &api.AgentServiceConnect{
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SidecarService: nil, // ooh danger!
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},
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})
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}
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// TestServiceRegistration_CheckOnUpdate tests that a ServiceRegistrations
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// CheckOnUpdate is populated and updated properly
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func TestServiceRegistration_CheckOnUpdate(t *testing.T) {
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t.Parallel()
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mockAgent := NewMockAgent(ossFeatures)
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namespacesClient := NewNamespacesClient(NewMockNamespaces(nil), mockAgent)
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logger := testlog.HCLogger(t)
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sc := NewServiceClient(mockAgent, namespacesClient, logger, true)
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allocID := uuid.Generate()
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ws := &WorkloadServices{
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AllocID: allocID,
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Task: "taskname",
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Restarter: &restartRecorder{},
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Services: []*structs.Service{
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{
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Name: "taskname-service",
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PortLabel: "x",
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Tags: []string{"tag1", "tag2"},
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Meta: map[string]string{"meta1": "foo"},
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Checks: []*structs.ServiceCheck{
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{
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Name: "c1",
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Type: "tcp",
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Interval: time.Second,
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Timeout: time.Second,
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PortLabel: "x",
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OnUpdate: structs.OnUpdateIgnoreWarn,
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},
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},
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},
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},
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Networks: []*structs.NetworkResource{
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{
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DynamicPorts: []structs.Port{
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{Label: "x", Value: xPort},
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{Label: "y", Value: yPort},
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},
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},
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},
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}
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require.NoError(t, sc.RegisterWorkload(ws))
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require.NotNil(t, sc.allocRegistrations[allocID])
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allocReg := sc.allocRegistrations[allocID]
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serviceReg := allocReg.Tasks["taskname"]
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require.NotNil(t, serviceReg)
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// Ensure that CheckOnUpdate was set correctly
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require.Len(t, serviceReg.Services, 1)
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for _, sreg := range serviceReg.Services {
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require.NotEmpty(t, sreg.CheckOnUpdate)
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for _, onupdate := range sreg.CheckOnUpdate {
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require.Equal(t, structs.OnUpdateIgnoreWarn, onupdate)
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}
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}
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// Update
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wsUpdate := new(WorkloadServices)
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*wsUpdate = *ws
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wsUpdate.Services[0].Checks[0].OnUpdate = structs.OnUpdateRequireHealthy
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require.NoError(t, sc.UpdateWorkload(ws, wsUpdate))
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require.NotNil(t, sc.allocRegistrations[allocID])
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allocReg = sc.allocRegistrations[allocID]
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serviceReg = allocReg.Tasks["taskname"]
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require.NotNil(t, serviceReg)
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// Ensure that CheckOnUpdate was updated correctly
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require.Len(t, serviceReg.Services, 1)
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for _, sreg := range serviceReg.Services {
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require.NotEmpty(t, sreg.CheckOnUpdate)
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for _, onupdate := range sreg.CheckOnUpdate {
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require.Equal(t, structs.OnUpdateRequireHealthy, onupdate)
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}
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}
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}
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func TestSyncLogic_proxyUpstreamsDifferent(t *testing.T) {
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t.Parallel()
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upstream1 := func() api.Upstream {
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return api.Upstream{
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Datacenter: "sfo",
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DestinationName: "billing",
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LocalBindAddress: "127.0.0.1",
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LocalBindPort: 5050,
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MeshGateway: api.MeshGatewayConfig{
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Mode: "remote",
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},
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Config: map[string]interface{}{"foo": 1},
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}
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}
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upstream2 := func() api.Upstream {
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return api.Upstream{
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Datacenter: "ny",
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DestinationName: "metrics",
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LocalBindAddress: "127.0.0.1",
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LocalBindPort: 6060,
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MeshGateway: api.MeshGatewayConfig{
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Mode: "local",
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},
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Config: nil,
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}
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}
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newASC := func() *api.AgentServiceConnect {
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return &api.AgentServiceConnect{
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SidecarService: &api.AgentServiceRegistration{
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Proxy: &api.AgentServiceConnectProxyConfig{
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Upstreams: []api.Upstream{
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upstream1(),
|
|
upstream2(),
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
original := newASC()
|
|
|
|
t.Run("same", func(t *testing.T) {
|
|
require.False(t, proxyUpstreamsDifferent(original, newASC().SidecarService.Proxy))
|
|
})
|
|
|
|
type proxy = *api.AgentServiceConnectProxyConfig
|
|
type tweaker = func(proxy)
|
|
|
|
try := func(t *testing.T, desc string, tweak tweaker) {
|
|
t.Run(desc, func(t *testing.T) {
|
|
p := newASC().SidecarService.Proxy
|
|
tweak(p)
|
|
require.True(t, proxyUpstreamsDifferent(original, p))
|
|
})
|
|
}
|
|
|
|
try(t, "empty upstreams", func(p proxy) {
|
|
p.Upstreams = make([]api.Upstream, 0)
|
|
})
|
|
|
|
try(t, "missing upstream", func(p proxy) {
|
|
p.Upstreams = []api.Upstream{
|
|
upstream1(),
|
|
}
|
|
})
|
|
|
|
try(t, "extra upstream", func(p proxy) {
|
|
p.Upstreams = []api.Upstream{
|
|
upstream1(),
|
|
upstream2(),
|
|
{
|
|
Datacenter: "north",
|
|
DestinationName: "dest3",
|
|
},
|
|
}
|
|
})
|
|
|
|
try(t, "different datacenter", func(p proxy) {
|
|
diff := upstream2()
|
|
diff.Datacenter = "south"
|
|
p.Upstreams = []api.Upstream{
|
|
upstream1(),
|
|
diff,
|
|
}
|
|
})
|
|
|
|
try(t, "different destination", func(p proxy) {
|
|
diff := upstream2()
|
|
diff.DestinationName = "sink"
|
|
p.Upstreams = []api.Upstream{
|
|
upstream1(),
|
|
diff,
|
|
}
|
|
})
|
|
|
|
try(t, "different local_bind_address", func(p proxy) {
|
|
diff := upstream2()
|
|
diff.LocalBindAddress = "10.0.0.1"
|
|
p.Upstreams = []api.Upstream{
|
|
upstream1(),
|
|
diff,
|
|
}
|
|
})
|
|
|
|
try(t, "different local_bind_port", func(p proxy) {
|
|
diff := upstream2()
|
|
diff.LocalBindPort = 9999
|
|
p.Upstreams = []api.Upstream{
|
|
upstream1(),
|
|
diff,
|
|
}
|
|
})
|
|
|
|
try(t, "different mesh gateway mode", func(p proxy) {
|
|
diff := upstream2()
|
|
diff.MeshGateway.Mode = "none"
|
|
p.Upstreams = []api.Upstream{
|
|
upstream1(),
|
|
diff,
|
|
}
|
|
})
|
|
|
|
try(t, "different config", func(p proxy) {
|
|
diff := upstream1()
|
|
diff.Config = map[string]interface{}{"foo": 2}
|
|
p.Upstreams = []api.Upstream{
|
|
diff,
|
|
upstream2(),
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestSyncReason_String(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
require.Equal(t, "periodic", fmt.Sprintf("%s", syncPeriodic))
|
|
require.Equal(t, "shutdown", fmt.Sprintf("%s", syncShutdown))
|
|
require.Equal(t, "operations", fmt.Sprintf("%s", syncNewOps))
|
|
require.Equal(t, "unexpected", fmt.Sprintf("%s", syncReason(128)))
|
|
}
|
|
|
|
func TestSyncOps_empty(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
try := func(ops *operations, exp bool) {
|
|
require.Equal(t, exp, ops.empty())
|
|
}
|
|
|
|
try(&operations{regServices: make([]*api.AgentServiceRegistration, 1)}, false)
|
|
try(&operations{regChecks: make([]*api.AgentCheckRegistration, 1)}, false)
|
|
try(&operations{deregServices: make([]string, 1)}, false)
|
|
try(&operations{deregChecks: make([]string, 1)}, false)
|
|
try(&operations{}, true)
|
|
try(nil, true)
|
|
}
|
|
|
|
func TestSyncLogic_maybeSidecarProxyCheck(t *testing.T) {
|
|
try := func(input string, exp bool) {
|
|
result := maybeSidecarProxyCheck(input)
|
|
require.Equal(t, exp, result)
|
|
}
|
|
|
|
try("service:_nomad-task-2f5fb517-57d4-44ee-7780-dc1cb6e103cd-group-api-count-api-9001-sidecar-proxy", true)
|
|
try("service:_nomad-task-2f5fb517-57d4-44ee-7780-dc1cb6e103cd-group-api-count-api-9001-sidecar-proxy:1", true)
|
|
try("service:_nomad-task-2f5fb517-57d4-44ee-7780-dc1cb6e103cd-group-api-count-api-9001-sidecar-proxy:2", true)
|
|
try("service:_nomad-task-2f5fb517-57d4-44ee-7780-dc1cb6e103cd-group-api-count-api-9001", false)
|
|
try("_nomad-task-2f5fb517-57d4-44ee-7780-dc1cb6e103cd-group-api-count-api-9001-sidecar-proxy:1", false)
|
|
try("service:_nomad-task-2f5fb517-57d4-44ee-7780-dc1cb6e103cd-group-api-count-api-9001-sidecar-proxy:X", false)
|
|
try("service:_nomad-task-2f5fb517-57d4-44ee-7780-dc1cb6e103cd-group-api-count-api-9001-sidecar-proxy: ", false)
|
|
try("service", false)
|
|
}
|