Add wait for secret to be present before copying

Author: Prince Rachit Sinha

.werft/util/certs.ts

@@ -72,13 +72,26 @@ export async function issueCertficate(werft, params: IssueCertificateParams) {
 }
 
 export async function installCertficate(werft, params: InstallCertificateParams) {
+    let notReadyYet = true;
     werft.log('certificate', `copying certificate from "${params.certNamespace}/${params.certName}" to "${params.destinationNamespace}/${params.certSecretName}"`);
-    // certmanager is configured to create a secret in the namespace "certs" with the name "${namespace}".
-    exec(`export KUBECONFIG=${params.pathToKubeConfig} && kubectl get secret ${params.certName} --namespace=${params.certNamespace} -o yaml \
-        | yq d - 'metadata.namespace' \
-        | yq d - 'metadata.uid' \
-        | yq d - 'metadata.resourceVersion' \
-        | yq d - 'metadata.creationTimestamp' \
-        | sed 's/${params.certName}/${params.certSecretName}/g' \
-        | kubectl apply --namespace=${params.destinationNamespace} -f -`);
+    const cmd = `export KUBECONFIG=${params.pathToKubeConfig} && kubectl get secret ${params.certName} --namespace=${params.certNamespace} -o yaml \
+    | yq d - 'metadata.namespace' \
+    | yq d - 'metadata.uid' \
+    | yq d - 'metadata.resourceVersion' \
+    | yq d - 'metadata.creationTimestamp' \
+    | sed 's/${params.certName}/${params.certSecretName}/g' \
+    | kubectl apply --namespace=${params.destinationNamespace} -f -`
+
+    for (let i = 0; i < 60 && notReadyYet; i++) {
+        const result = exec(cmd, { silent: true, dontCheckRc: true });
+        if (result != undefined && result.code === 0) {
+            notReadyYet = false;
+            break;
+        }
+        werft.log('certificate', `Could not copy "${params.certNamespace}/${params.certName}", will retry`);
+        sleep(5000);
+    }
+    if (!notReadyYet) {
+        werft.log('certificate', `copied certificate from "${params.certNamespace}/${params.certName}" to "${params.destinationNamespace}/${params.certSecretName}"`);
+    }
 }