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Fix #146 add annotation for add http check #148

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9 changes: 9 additions & 0 deletions connect-inject/container_init.go
Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ type initContainerCommandData struct {
ServiceName string
ProxyServiceName string
ServicePort int32
ServiceCheck string
// ServiceProtocol is the protocol for the service-defaults config
// that will be written if WriteServiceDefaults is true.
ServiceProtocol string
Expand Down Expand Up @@ -57,6 +58,7 @@ func (h *Handler) containerInit(pod *corev1.Pod) (corev1.Container, error) {
AuthMethod: h.AuthMethod,
WriteServiceDefaults: writeServiceDefaults,
ConsulCACert: h.ConsulCACert,
ServiceCheck: pod.Annotations[annotationCheck],
}
if data.ServiceName == "" {
// Assertion, since we call defaultAnnotations above and do
Expand Down Expand Up @@ -289,6 +291,13 @@ services {
{{- end }}
}
{{- end}}
{{- if .ServiceCheck}}
check {
name = "{{ .ServiceName }}-check"
http = "http://${POD_IP}:{{ .ServicePort }}{{ .ServiceCheck }}"
interval = "1s"
}
{{- end}}
}
EOF

Expand Down
4 changes: 4 additions & 0 deletions connect-inject/handler.go
Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,10 @@ const (
// consul-k8s lifecycle-sidecar command. This flag controls how often the
// service is synced (i.e. re-registered) with the local agent.
annotationSyncPeriod = "consul.hashicorp.com/connect-sync-period"

// annotationCheck is the key of the annotation that is added to
// http check specified URL. Any 2xx code is considered passing
annotationCheck = "consul.hashicorp.com/connect-service-check"
)

var (
Expand Down