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Keda podspec (#2021)

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* Add podspec to MQT

Signed-off-by: Harsh Thakur <harshthakur9030@gmail.com>

* Add preupgrade check

Signed-off-by: Harsh Thakur <harshthakur9030@gmail.com>

* Use zap logger

Signed-off-by: Harsh Thakur <harshthakur9030@gmail.com>

Co-authored-by: Sanket Sudake <sanketsudake@gmail.com>
This commit is contained in:
Harsh Thakur
2021-05-27 14:21:34 +05:30
committed by GitHub
co-authored by Sanket Sudake
parent 4ff204a0c4
commit 4e2632e100
9 changed files with 3799 additions and 19 deletions
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cmd/preupgradechecks/preupgradechecks.go
+24 -3
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@@ -48,6 +48,7 @@ type (
const (
maxRetries = 5
FunctionCRD = "functions.fission.io"
MqtCRD = "messagequeuetriggers.fission.io"
)
func makePreUpgradeTaskClient(logger *zap.Logger, fnPodNs, envBuilderNs string) (*PreUpgradeTaskClient, error) {
@@ -79,16 +80,36 @@ func (client *PreUpgradeTaskClient) GetFunctionCRD() *v1.CustomResourceDefinitio
return nil
}
// GetMqtCRD checks if MQT CRD is present on the cluster and returns it. It returns nil if not found
func (client *PreUpgradeTaskClient) GetMqtCRD() *v1.CustomResourceDefinition {
crd, err := client.apiExtClient.ApiextensionsV1().CustomResourceDefinitions().Get(context.TODO(), MqtCRD, metav1.GetOptions{})
if err != nil {
client.logger.Error("Could not find MQT CRD", zap.Error(err))
return nil
}
return crd
}
// LatestSchemaApplied ensures that the end user has applied the latest CRDs generated to the cluster.
// For future reference: whenever a new field is added, we need to check for that field's existence in this function
func (client *PreUpgradeTaskClient) LatestSchemaApplied() error {
client.logger.Info("Checking if user has applied the latest CRDs")
crd := client.GetFunctionCRD()
if crd == nil {
funcCRD := client.GetFunctionCRD()
if funcCRD == nil {
return errors.New("Could not get the Function CRD")
}
// Any new field added in Function spec can be checked here provided the substring matches the description in CRD Validation of the field
if !strings.Contains(crd.Spec.String(), "RequestsPerPod") || !strings.Contains(crd.Spec.String(), "OnceOnly") {
if !strings.Contains(funcCRD.Spec.String(), "RequestsPerPod") || !strings.Contains(funcCRD.Spec.String(), "OnceOnly") {
return errors.New("Apply the newer CRDs before upgrading")
}
mqtCRD := client.GetMqtCRD()
if mqtCRD == nil {
return errors.New("Could not get the MQT CRD")
}
// Any new field added in MQT spec can be checked here provided the substring matches the description in CRD Validation of the field
if !strings.Contains(mqtCRD.Spec.String(), "PodSpec") {
return errors.New("Apply the newer CRDs before upgrading")
}
return nil