superset: Helm chart fails completely

1. Describe Pods

$  kubectl describe pod superset-6d55cbd6cd-n4g26 -n superset


Name:         superset-6d55cbd6cd-n4g26
Namespace:    superset
Priority:     0
Node:         ip-XXXXXXXXXXXXXXXXXX.internal/XXXXXXXXXXXXXXX
Start Time:   Tue, 20 Oct 2020 19:00:33 -0400
Labels:       app=superset
              io.cattle.field/appId=superset
              pod-template-hash=6d55cbd6cd
              release=superset
Annotations:  kubernetes.io/psp: eks.privileged
Status:       Running
IP:           172.77.103.174
IPs:
  IP:           172.77.103.174
Controlled By:  ReplicaSet/superset-6d55cbd6cd
Init Containers:
  wait-for-postgres:
    Container ID:  docker://6f69681cfae08d9e718387584743c9b5016f685709d308026d91c80ddcfae1df
    Image:         busybox:latest
    Image ID:      docker-pullable://busybox@sha256:a9286defaba7b3a519d585ba0e37d0b2cbee74ebfe590960b0b1d6a5e97d1e1d
    Port:          <none>
    Host Port:     <none>
    Command:
      /bin/sh
      -c
      until nc -zv $DB_HOST $DB_PORT -w1; do echo 'waiting for db'; sleep 1; done
    State:          Terminated
      Reason:       Completed
      Exit Code:    0
      Started:      Tue, 20 Oct 2020 19:00:34 -0400
      Finished:     Tue, 20 Oct 2020 19:00:34 -0400
    Ready:          True
    Restart Count:  0
    Environment Variables from:
      superset-env  Secret  Optional: false
    Environment:    <none>
    Mounts:
      /var/run/secrets/kubernetes.io/serviceaccount from default-token-47hg6 (ro)
Containers:
  superset:
    Container ID:  docker://2be8afd1300a905c7bc5fcb4638d2b9a8bf224ecccd2020203fa992514e42150
    Image:         preset/superset:latest
    Image ID:      docker-pullable://preset/superset@sha256:211d58cfbefa1daa0cb0ca2f850bef62b99ab730575ee9b6bdfa394a2cb9d031
    Port:          8088/TCP
    Host Port:     0/TCP
    Command:
      /bin/sh
      -c
      . /app/pythonpath/superset_bootstrap.sh; /usr/bin/docker-entrypoint.sh
    State:          Waiting
      Reason:       CrashLoopBackOff
    Last State:     Terminated
      Reason:       Error
      Exit Code:    3
      Started:      Wed, 21 Oct 2020 10:29:17 -0400
      Finished:     Wed, 21 Oct 2020 10:29:20 -0400
    Ready:          False
    Restart Count:  185
    Environment Variables from:
      superset-env  Secret  Optional: false
    Environment:
      SUPERSET_PORT:  8088
    Mounts:
      /app/pythonpath from superset-config (ro)
      /var/run/secrets/kubernetes.io/serviceaccount from default-token-47hg6 (ro)
Conditions:
  Type              Status
  Initialized       True
  Ready             False
  ContainersReady   False
  PodScheduled      True
Volumes:
  superset-config:
    Type:        Secret (a volume populated by a Secret)
    SecretName:  superset-config
    Optional:    false
  default-token-47hg6:
    Type:        Secret (a volume populated by a Secret)
    SecretName:  default-token-47hg6
    Optional:    false
QoS Class:       BestEffort
Node-Selectors:  <none>
Tolerations:     node.kubernetes.io/not-ready:NoExecute for 300s
                 node.kubernetes.io/unreachable:NoExecute for 300s
Events:
  Type     Reason   Age                   From                                     Message
  ----     ------   ----                  ----                                     -------
  Warning  BackOff  80s (x4249 over 15h)  kubelet, ip-XXXXXXXXXXXXXX.internal  Back-off restarting failed container

2. Kubectl Logs:

$ kubectl logs -f superset-6d55cbd6cd-n4g26 -n superset

: not found /app/pythonpath/superset_bootstrap.sh:
: not found /app/pythonpath/superset_bootstrap.sh:
ERROR: Invalid requirement: ''
WARNING: You are using pip version 20.2.3; however, version 20.2.4 is available.
You should consider upgrading via the '/usr/local/bin/python -m pip install --upgrade pip' command.
: not found /app/pythonpath/superset_bootstrap.sh:
[2020-10-21 14:29:18 +0000] [13] [INFO] Starting gunicorn 20.0.4
[2020-10-21 14:29:18 +0000] [13] [INFO] Listening at: http://0.0.0.0:8088 (13)
[2020-10-21 14:29:18 +0000] [13] [INFO] Using worker: gthread
[2020-10-21 14:29:18 +0000] [16] [INFO] Booting worker with pid: 16
Found but failed to import local superset_config
Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/cachelib/redis.py", line 41, in __init__
    import redis
ModuleNotFoundError: No module named 'redis'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/app/superset/config.py", line 956, in <module>
    import superset_config  # pylint: disable=import-error
  File "/app/pythonpath/superset_config.py", line 39, in <module>
    key_prefix='superset_results'
  File "/usr/local/lib/python3.7/site-packages/cachelib/redis.py", line 43, in __init__
    raise RuntimeError('no redis module found')
RuntimeError: no redis module found
Failed to create app
Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/cachelib/redis.py", line 41, in __init__
    import redis
ModuleNotFoundError: No module named 'redis'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/app/superset/app.py", line 59, in create_app
    app.config.from_object(config_module)
  File "/usr/local/lib/python3.7/site-packages/flask/config.py", line 174, in from_object
    obj = import_string(obj)
  File "/usr/local/lib/python3.7/site-packages/werkzeug/utils.py", line 568, in import_string
    __import__(import_name)
  File "/app/superset/config.py", line 956, in <module>
    import superset_config  # pylint: disable=import-error
  File "/app/pythonpath/superset_config.py", line 39, in <module>
    key_prefix='superset_results'
  File "/usr/local/lib/python3.7/site-packages/cachelib/redis.py", line 43, in __init__
    raise RuntimeError('no redis module found')
RuntimeError: no redis module found
[2020-10-21 14:29:19 +0000] [16] [ERROR] Exception in worker process
Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/cachelib/redis.py", line 41, in __init__
    import redis
ModuleNotFoundError: No module named 'redis'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/gunicorn/arbiter.py", line 583, in spawn_worker
    worker.init_process()
  File "/usr/local/lib/python3.7/site-packages/gunicorn/workers/gthread.py", line 92, in init_process
    super().init_process()
  File "/usr/local/lib/python3.7/site-packages/gunicorn/workers/base.py", line 119, in init_process
    self.load_wsgi()
  File "/usr/local/lib/python3.7/site-packages/gunicorn/workers/base.py", line 144, in load_wsgi
    self.wsgi = self.app.wsgi()
  File "/usr/local/lib/python3.7/site-packages/gunicorn/app/base.py", line 67, in wsgi
    self.callable = self.load()
  File "/usr/local/lib/python3.7/site-packages/gunicorn/app/wsgiapp.py", line 49, in load
    return self.load_wsgiapp()
  File "/usr/local/lib/python3.7/site-packages/gunicorn/app/wsgiapp.py", line 39, in load_wsgiapp
    return util.import_app(self.app_uri)
  File "/usr/local/lib/python3.7/site-packages/gunicorn/util.py", line 411, in import_app
    app = app(*args, **kwargs)
  File "/app/superset/app.py", line 69, in create_app
    raise ex
  File "/app/superset/app.py", line 59, in create_app
    app.config.from_object(config_module)
  File "/usr/local/lib/python3.7/site-packages/flask/config.py", line 174, in from_object
    obj = import_string(obj)
  File "/usr/local/lib/python3.7/site-packages/werkzeug/utils.py", line 568, in import_string
    __import__(import_name)
  File "/app/superset/config.py", line 956, in <module>
    import superset_config  # pylint: disable=import-error
  File "/app/pythonpath/superset_config.py", line 39, in <module>
    key_prefix='superset_results'
  File "/usr/local/lib/python3.7/site-packages/cachelib/redis.py", line 43, in __init__
    raise RuntimeError('no redis module found')
RuntimeError: no redis module found
[2020-10-21 14:29:19 +0000] [16] [INFO] Worker exiting (pid: 16)
[2020-10-21 14:29:20 +0000] [13] [INFO] Shutting down: Master
[2020-10-21 14:29:20 +0000] [13] [INFO] Reason: Worker failed to boot