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Adjust the priority for egress enablement. First check namespace label then pod annotation. #13

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merged 2 commits into from
Nov 28, 2023
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Adjust the priority for egress enablement. First check namespace label then pod annotation. #13

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0d0588d
Adjust the priority for egress enablement. First check namespace labe…
marc-barry Nov 28, 2023
4a2684c
Update readme.
marc-barry Nov 28, 2023
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28 changes: 17 additions & 11 deletions api/v1/config.go
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Original file line number Diff line number Diff line change
Expand Up @@ -23,28 +23,34 @@ type Config struct {
}

func (c *Config) Init(pod *corev1.Pod) error {
// check to see if an annotation is set on the pod to enable egress
egress, exists := pod.Annotations["qpoint.io/egress"]
if exists && egress == "enabled" {
// first check if the namespace has the label. If it does then assume that egress is enabled
namespace := &corev1.Namespace{}
if err := c.Client.Get(c.Ctx, client.ObjectKey{Name: c.Namespace}, namespace); err != nil {
return fmt.Errorf("fetching namespace '%s' from the api: %w", c.Namespace, err)
}

// if the namespace is labeled, then we enable. A pod annotation override will be checked below
if namespace.Labels["qpoint-egress"] == "enabled" {
c.Enabled = true
}

// if we're not enabled yet, let's check the namespace
if !c.Enabled {
namespace := &corev1.Namespace{}
if err := c.Client.Get(c.Ctx, client.ObjectKey{Name: c.Namespace}, namespace); err != nil {
return fmt.Errorf("fetching namespace '%s' from the api: %w", c.Namespace, err)
// check to see if an annotation is set on the pod to enable or disable egress while also verifying
// if it was enabled for the namespace but needs to be disabled for the pod
egress, exists := pod.Annotations["qpoint.io/egress"]

// if the annotation doesn't exist nothing else needs to be checked
if exists {
if c.Enabled && egress != "enabled" {
c.Enabled = false
}

// if the namespace is labeled, then we enable
if namespace.Labels["qpoint-egress"] == "enabled" {
if !c.Enabled && egress == "enabled" {
c.Enabled = true
}
}

// if we're enabled
if c.Enabled {

// let's fetch the default settings in the configmap
configMap := &corev1.ConfigMap{}
if err := c.Client.Get(c.Ctx, client.ObjectKey{Name: ANNOTATIONS_CONFIGMAP, Namespace: c.OperatorNamespace}, configMap); err != nil {
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