create namespace cert-manager
kubectl apply -f https://github.com/jetstack/cert-manager/releases/download/v1.6.1/cert-manager.crds.yaml
helm install my-release --namespace cert-manager --version v1.6.1 jetstack/cert-manager

Error: INSTALLATION FAILED: failed post-install: timed out waiting for the condition

create namespace cert-manager
kubectl apply -f https://github.com/jetstack/cert-manager/releases/download/v1.6.1/cert-manager.crds.yaml
helm install my-release --namespace cert-manager --version v1.6.1 jetstack/cert-manager

kubectl get all -n cert-manager
NAME                                                      READY   STATUS    RESTARTS   AGE
pod/my-release-cert-manager-789d899b78-j6cwp              1/1     Running   0          15m
pod/my-release-cert-manager-cainjector-68d95bb6c5-96q7l   1/1     Running   0          15m
pod/my-release-cert-manager-webhook-c9c57558d-wt22v       1/1     Running   0          15m

NAME                                      TYPE        CLUSTER-IP       EXTERNAL-IP   PORT(S)    AGE
service/my-release-cert-manager           ClusterIP   10.103.243.246   <none>        9402/TCP   15m
service/my-release-cert-manager-webhook   ClusterIP   10.103.131.32    <none>        443/TCP    15m

NAME                                                 READY   UP-TO-DATE   AVAILABLE   AGE
deployment.apps/my-release-cert-manager              1/1     1            1           15m
deployment.apps/my-release-cert-manager-cainjector   1/1     1            1           15m
deployment.apps/my-release-cert-manager-webhook      1/1     1            1           15m

NAME                                                            DESIRED   CURRENT   READY   AGE
replicaset.apps/my-release-cert-manager-789d899b78              1         1         1       15m
replicaset.apps/my-release-cert-manager-cainjector-68d95bb6c5   1         1         1       15m
replicaset.apps/my-release-cert-manager-webhook-c9c57558d       1         1         1       15m

NAME                                                COMPLETIONS   DURATION   AGE
job.batch/my-release-cert-manager-startupapicheck   0/1           15m        15


kubectl describe job.batch/my-release-cert-manager-startupapicheck -n cert-manager
Name:             my-release-cert-manager-startupapicheck
Namespace:        cert-manager
Selector:         controller-uid=b585c7a9-3ea5-428e-98d4-2cf732b10701
Labels:           app=startupapicheck
                  app.kubernetes.io/component=startupapicheck
                  app.kubernetes.io/instance=my-release
                  app.kubernetes.io/managed-by=Helm
                  app.kubernetes.io/name=startupapicheck
                  app.kubernetes.io/version=v1.6.1
                  helm.sh/chart=cert-manager-v1.6.1
Annotations:      helm.sh/hook: post-install
                  helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
                  helm.sh/hook-weight: 1
Parallelism:      1
Completions:      1
Completion Mode:  NonIndexed
Start Time:       Sun, 05 Dec 2021 12:12:46 +0000
Pods Statuses:    0 Running / 0 Succeeded / 1 Failed
Pod Template:
  Labels:           app=startupapicheck
                    app.kubernetes.io/component=startupapicheck
                    app.kubernetes.io/instance=my-release
                    app.kubernetes.io/managed-by=Helm
                    app.kubernetes.io/name=startupapicheck
                    app.kubernetes.io/version=v1.6.1
                    controller-uid=b585c7a9-3ea5-428e-98d4-2cf732b10701
                    helm.sh/chart=cert-manager-v1.6.1
                    job-name=my-release-cert-manager-startupapicheck
  Service Account:  my-release-cert-manager-startupapicheck
  Containers:
   cert-manager:
    Image:      quay.io/jetstack/cert-manager-ctl:v1.6.1
    Port:       <none>
    Host Port:  <none>
    Args:
      check
      api
      --wait=1m
    Environment:  <none>
    Mounts:       <none>
  Volumes:        <none>
Events:
  Type     Reason                Age    From            Message
  ----     ------                ----   ----            -------
  Normal   SuccessfulCreate      15m    job-controller  Created pod: my-release-cert-manager-startupapicheck--1-sqqxd
  Normal   SuccessfulDelete      9m29s  job-controller  Deleted pod: my-release-cert-manager-startupapicheck--1-sqqxd
  Warning  BackoffLimitExceeded  9m29s  job-controller  Job has reached the specified backoff limit