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Always sort upstream list to provide stable iteration order #2598

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merged 2 commits into from
Jun 2, 2018
Merged

Always sort upstream list to provide stable iteration order #2598

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f3e9292
Always sort upstream list to provide stable iteration order
aledbf Jun 2, 2018
631edb3
Update documentation for sort-backends flag
aledbf Jun 2, 2018
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10 changes: 4 additions & 6 deletions internal/ingress/controller/controller.go
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Original file line number Diff line number Diff line change
Expand Up @@ -572,12 +572,6 @@ func (n *NGINXController) getBackendServers(ingresses []*extensions.Ingress) ([]
aUpstreams = append(aUpstreams, upstream)
}

if n.cfg.SortBackends {
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Maybe make the corresponding flag dummy and print a deprecation message?

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Scratch the deprecation part, I forgot that the flag also influenced the order of endpoints.

sort.SliceStable(aUpstreams, func(a, b int) bool {
return aUpstreams[a].Name < aUpstreams[b].Name
})
}

aServers := make([]*ingress.Server, 0, len(servers))
for _, value := range servers {
sort.SliceStable(value.Locations, func(i, j int) bool {
Expand All @@ -586,6 +580,10 @@ func (n *NGINXController) getBackendServers(ingresses []*extensions.Ingress) ([]
aServers = append(aServers, value)
}

sort.SliceStable(aUpstreams, func(a, b int) bool {
return aUpstreams[a].Name < aUpstreams[b].Name
})

sort.SliceStable(aServers, func(i, j int) bool {
return aServers[i].Hostname < aServers[j].Hostname
})
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9 changes: 0 additions & 9 deletions internal/ingress/types_equals.go
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Expand Up @@ -129,9 +129,6 @@ func (b1 *Backend) Equal(b2 *Backend) bool {
if b1.Service.GetName() != b2.Service.GetName() {
return false
}
if b1.Service.GetResourceVersion() != b2.Service.GetResourceVersion() {
return false
}
}

if b1.Port != b2.Port {
Expand Down Expand Up @@ -326,9 +323,6 @@ func (l1 *Location) Equal(l2 *Location) bool {
if l1.Service.GetName() != l2.Service.GetName() {
return false
}
if l1.Service.GetResourceVersion() != l2.Service.GetResourceVersion() {
return false
}
}

if l1.Port.StrVal != l2.Port.StrVal {
Expand Down Expand Up @@ -424,9 +418,6 @@ func (ptb1 *SSLPassthroughBackend) Equal(ptb2 *SSLPassthroughBackend) bool {
if ptb1.Service.GetName() != ptb2.Service.GetName() {
return false
}
if ptb1.Service.GetResourceVersion() != ptb2.Service.GetResourceVersion() {
return false
}
}

return true
Expand Down