github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/cloud/kubernetes/multiregion/teardown.py (about)

     1  #!/usr/bin/env python
     2  
     3  from shutil import rmtree
     4  from subprocess import call
     5  
     6  # Before running the script, fill in appropriate values for all the parameters
     7  # above the dashed line. You should use the same values when tearing down a
     8  # cluster that you used when setting it up.
     9  
    10  # To get the names of your kubectl "contexts" for each of your clusters, run:
    11  #   kubectl config get-contexts
    12  contexts = {
    13      'us-central1-a': 'gke_cockroach-alex_us-central1-a_dns',
    14      'us-central1-b': 'gke_cockroach-alex_us-central1-b_dns',
    15      'us-west1-b': 'gke_cockroach-alex_us-west1-b_dns',
    16  }
    17  
    18  certs_dir = './certs'
    19  ca_key_dir = './my-safe-directory'
    20  generated_files_dir = './generated'
    21  
    22  # ------------------------------------------------------------------------------
    23  
    24  # Delete each cluster's special zone-scoped namespace, which transitively
    25  # deletes all resources that were created in the namespace, along with the few
    26  # other resources we created that weren't in that namespace
    27  for zone, context in contexts.items():
    28      call(['kubectl', 'delete', 'namespace', zone, '--context', context])
    29      call(['kubectl', 'delete', 'secret', 'cockroachdb.client.root', '--context', context])
    30      call(['kubectl', 'delete', '-f', 'external-name-svc.yaml', '--context', context])
    31      call(['kubectl', 'delete', '-f', 'dns-lb.yaml', '--context', context])
    32      call(['kubectl', 'delete', 'configmap', 'kube-dns', '--namespace', 'kube-system', '--context', context])
    33      # Restart the DNS pods to clear out our stub-domains configuration.
    34      call(['kubectl', 'delete', 'pods', '-l', 'k8s-app=kube-dns', '--namespace', 'kube-system', '--context', context])
    35  
    36  try:
    37      rmtree(certs_dir)
    38  except OSError:
    39      pass
    40  try:
    41      rmtree(ca_key_dir)
    42  except OSError:
    43      pass
    44  try:
    45      rmtree(generated_files_dir)
    46  except OSError:
    47      pass