48 lines
2.1 KiB
YAML
48 lines
2.1 KiB
YAML
---
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- name: Rotate Tokens | Get default token name
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shell: "{{ bin_dir }}/kubectl --kubeconfig /etc/kubernetes/admin.conf get secrets -o custom-columns=name:{.metadata.name} --no-headers | grep -m1 default-token"
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register: default_token
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changed_when: false
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until: default_token.rc == 0
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delay: 1
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retries: 5
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- name: Rotate Tokens | Get default token data
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command: "{{ bin_dir }}/kubectl --kubeconfig /etc/kubernetes/admin.conf get secrets {{ default_token.stdout }} -ojson"
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register: default_token_data
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changed_when: false
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- name: Rotate Tokens | Test if default certificate is expired
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uri:
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url: https://{{ kube_apiserver_ip }}/api/v1/nodes
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method: GET
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return_content: no
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validate_certs: no
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headers:
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Authorization: "Bearer {{ (default_token_data.stdout|from_json)['data']['token']|b64decode }}"
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register: check_secret
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failed_when: false
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- name: Rotate Tokens | Determine if certificate is expired
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set_fact:
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needs_rotation: '{{ check_secret.status not in [200, 403] }}'
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# FIXME(mattymo): Exclude built in secrets that were automatically rotated,
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# instead of filtering manually
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- name: Rotate Tokens | Get all serviceaccount tokens to expire
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shell: >-
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{{ bin_dir }}/kubectl --kubeconfig /etc/kubernetes/admin.conf get secrets --all-namespaces
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-o 'jsonpath={range .items[*]}{"\n"}{.metadata.namespace}{" "}{.metadata.name}{" "}{.type}{end}'
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| grep kubernetes.io/service-account-token
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| egrep 'default-token|kube-proxy|coredns|netchecker|weave|calico|canal|flannel|dashboard|cluster-proportional-autoscaler|tiller|local-volume-provisioner'
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register: tokens_to_delete
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when: needs_rotation
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- name: Rotate Tokens | Delete expired tokens
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command: "{{ bin_dir }}/kubectl --kubeconfig /etc/kubernetes/admin.conf delete secrets -n {{ item.split(' ')[0] }} {{ item.split(' ')[1] }}"
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with_items: "{{ tokens_to_delete.stdout_lines }}"
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when: needs_rotation
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- name: Rotate Tokens | Delete pods in system namespace
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command: "{{ bin_dir }}/kubectl --kubeconfig /etc/kubernetes/admin.conf delete pods -n kube-system --all --grace-period=0 --force"
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when: needs_rotation
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