Remote updatestatus todos and add minimal version to docs

Signed-off-by: JoshVanL <vleeuwenjoshua@gmail.com>

docs/getting-started/install/kubernetes.rst

@@ -14,6 +14,11 @@ resources which represent certificate authorities.
 More information on configuring different Issuer types can be found in the
 :doc:`respective setup guides </tasks/issuers/index>`.
 
+.. note::
+   From cert-manager v0.11.0 onwards, the minimum supported version of
+   Kubernetes is v1.11.0. Users still running Kubernetes v1.10 or below should
+   upgrade to a supported version before installing cert-manager.
+
 .. warning::
 
     You should not install multiple instances of cert-manager on a single

pkg/controller/certificaterequests/sync.go

@@ -157,8 +157,5 @@ func (c *Controller) updateCertificateRequestStatus(ctx context.Context, old, ne
 	}
 
 	log.V(logf.DebugLevel).Info("updating resource due to change in status", "diff", pretty.Diff(string(oldBytes), string(newBytes)))
-	// TODO: replace Update call with UpdateStatus. This requires a custom API
-	// server with the /status subresource enabled and/or subresource support
-	// for CRDs (https://github.com/kubernetes/kubernetes/issues/38113)
 	return c.cmClient.CertmanagerV1alpha2().CertificateRequests(new.Namespace).UpdateStatus(new)
 }

pkg/controller/certificates/util.go

@@ -222,9 +222,6 @@ func updateCertificateStatus(ctx context.Context, m *metrics.Metrics, cmClient c
 		return nil, nil
 	}
 	log.V(logf.DebugLevel).Info("updating resource due to change in status", "diff", pretty.Diff(string(oldBytes), string(newBytes)))
-	// TODO: replace Update call with UpdateStatus. This requires a custom API
-	// server with the /status subresource enabled and/or subresource support
-	// for CRDs (https://github.com/kubernetes/kubernetes/issues/38113)
 	return cmClient.CertmanagerV1alpha2().Certificates(new.Namespace).UpdateStatus(new)
 }
 

pkg/controller/clusterissuers/sync.go

@@ -89,8 +89,5 @@ func (c *controller) updateIssuerStatus(old, new *v1alpha2.ClusterIssuer) (*v1al
 	if reflect.DeepEqual(old.Status, new.Status) {
 		return nil, nil
 	}
-	// TODO: replace Update call with UpdateStatus. This requires a custom API
-	// server with the /status subresource enabled and/or subresource support
-	// for CRDs (https://github.com/kubernetes/kubernetes/issues/38113)
 	return c.cmClient.CertmanagerV1alpha2().ClusterIssuers().UpdateStatus(new)
 }

pkg/controller/issuers/sync.go

@@ -89,8 +89,5 @@ func (c *controller) updateIssuerStatus(old, new *v1alpha2.Issuer) (*v1alpha2.Is
 	if reflect.DeepEqual(old.Status, new.Status) {
 		return nil, nil
 	}
-	// TODO: replace Update call with UpdateStatus. This requires a custom API
-	// server with the /status subresource enabled and/or subresource support
-	// for CRDs (https://github.com/kubernetes/kubernetes/issues/38113)
 	return c.cmClient.CertmanagerV1alpha2().Issuers(new.Namespace).UpdateStatus(new)
 }