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Use list of checks instead of a map

This commit is contained in:
Dmitrii Dolgov 2018-02-23 14:24:33 +01:00
parent 95d86c7600
commit ef50b147c5
1 changed files with 20 additions and 34 deletions
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54
pkg/cluster/cluster.go
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@ -377,11 +377,17 @@ func (c *Cluster) compareStatefulSetWith(statefulSet *v1beta1.StatefulSet) *comp
return &compareStatefulsetResult{match: match, reasons: reasons, rollingUpdate: needsRollUpdate, replace: needsReplace} return &compareStatefulsetResult{match: match, reasons: reasons, rollingUpdate: needsRollUpdate, replace: needsReplace}
} }
type ContainerCondition func(a, b v1.Container) bool
type ContainerCheck struct { type ContainerCheck struct {
condition func(a, b v1.Container) bool condition ContainerCondition
reason string reason string
} }
func NewCheck(msg string, cond ContainerCondition) ContainerCheck {
return ContainerCheck{reason: msg, condition: cond}
}
// compareContainers: compare containers from two stateful sets // compareContainers: compare containers from two stateful sets
// and return: // and return:
// * whether or not roll update is needed // * whether or not roll update is needed
@ -389,39 +395,19 @@ type ContainerCheck struct {
func (c *Cluster) compareContainers(setA, setB *v1beta1.StatefulSet) (bool, []string) { func (c *Cluster) compareContainers(setA, setB *v1beta1.StatefulSet) (bool, []string) {
reasons := make([]string, 0) reasons := make([]string, 0)
needsRollUpdate := false needsRollUpdate := false
checks := map[string]ContainerCheck{ checks := []ContainerCheck{
"name": ContainerCheck{ NewCheck("new statefulset's container %d name doesn't match the current one",
condition: func(a, b v1.Container) bool { return a.Name != b.Name }, func(a, b v1.Container) bool { return a.Name != b.Name }),
reason: "new statefulset's container %d name doesn't match the current one", NewCheck("new statefulset's container %d image doesn't match the current one",
}, func(a, b v1.Container) bool { return a.Image != b.Image }),
"image": ContainerCheck{ NewCheck("new statefulset's container %d ports don't match the current one",
condition: func(a, b v1.Container) bool { return a.Image != b.Image }, func(a, b v1.Container) bool { return !reflect.DeepEqual(a.Ports, b.Ports) }),
reason: "new statefulset's container %d image doesn't match the current one", NewCheck("new statefulset's container %d resources don't match the current ones",
}, func(a, b v1.Container) bool { return !compareResources(&a.Resources, &b.Resources) }),
"ports": ContainerCheck{ NewCheck("new statefulset's container %d environment doesn't match the current one",
condition: func(a, b v1.Container) bool { func(a, b v1.Container) bool { return !reflect.DeepEqual(a.Env, b.Env) }),
return !reflect.DeepEqual(a.Ports, b.Ports) NewCheck("new statefulset's container %d environment sources don't match the current one",
}, func(a, b v1.Container) bool { return !reflect.DeepEqual(a.EnvFrom, b.EnvFrom) }),
reason: "new statefulset's container %d ports don't match the current one",
},
"resourses": ContainerCheck{
condition: func(a, b v1.Container) bool {
return !compareResources(&a.Resources, &b.Resources)
},
reason: "new statefulset's container %d resources don't match the current ones",
},
"env": ContainerCheck{
condition: func(a, b v1.Container) bool {
return !reflect.DeepEqual(a.Env, b.Env)
},
reason: "new statefulset's container %d environment doesn't match the current one",
},
"env_from": ContainerCheck{
condition: func(a, b v1.Container) bool {
return !reflect.DeepEqual(a.EnvFrom, b.EnvFrom)
},
reason: "new statefulset's container %d environment sources don't match the current one",
},
} }
for index, containerA := range setA.Spec.Template.Spec.Containers { for index, containerA := range setA.Spec.Template.Spec.Containers {