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kubeadm config validate flag for debugging and development (#12001)

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This adds a new flag with default `kubeadm_config_validate_enabled: true` to use when debugging features and enhancements affected by the `kubeadm config validate command`.

This new flag should be set to `false` only for development and testing scenarios where validation is expected to fail (pre-release Kubernetes versions, etc).

While working with development and test versions of Kubernetes and Kubespray, I found this option very useful.
This commit is contained in:
Chad Swenson
2025-03-02 20:50:57 -06:00
committed by GitHub
parent 1b2e66cd30
commit 87f7363e46
6 changed files with 9 additions and 5 deletions
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2
roles/download/tasks/prep_kubeadm_images.yml
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@@ -19,7 +19,7 @@
src: "kubeadm-images.yaml.j2" src: "kubeadm-images.yaml.j2"
dest: "{{ kube_config_dir }}/kubeadm-images.yaml" dest: "{{ kube_config_dir }}/kubeadm-images.yaml"
mode: "0644" mode: "0644"
validate: "{{ bin_dir }}/kubeadm config validate --config %s" validate: "{{ kubeadm_config_validate_enabled | ternary(bin_dir + '/kubeadm config validate --config %s', omit) }}"
when: when:
- not skip_kubeadm_images | default(false) - not skip_kubeadm_images | default(false)

2
roles/kubernetes/control-plane/tasks/kubeadm-secondary.yml
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@@ -36,7 +36,7 @@
dest: "{{ kube_config_dir }}/kubeadm-controlplane.yaml" dest: "{{ kube_config_dir }}/kubeadm-controlplane.yaml"
mode: "0640" mode: "0640"
backup: true backup: true
validate: "{{ bin_dir }}/kubeadm config validate --config %s" validate: "{{ kubeadm_config_validate_enabled | ternary(bin_dir + '/kubeadm config validate --config %s', omit) }}"
when: when:
- inventory_hostname != first_kube_control_plane - inventory_hostname != first_kube_control_plane
- not kubeadm_already_run.stat.exists - not kubeadm_already_run.stat.exists

2
roles/kubernetes/control-plane/tasks/kubeadm-setup.yml
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@@ -94,7 +94,7 @@
src: "kubeadm-config.{{ kubeadm_config_api_version }}.yaml.j2" src: "kubeadm-config.{{ kubeadm_config_api_version }}.yaml.j2"
dest: "{{ kube_config_dir }}/kubeadm-config.yaml" dest: "{{ kube_config_dir }}/kubeadm-config.yaml"
mode: "0640" mode: "0640"
validate: "{{ bin_dir }}/kubeadm config validate --config %s" validate: "{{ kubeadm_config_validate_enabled | ternary(bin_dir + '/kubeadm config validate --config %s', omit) }}"
- name: Kubeadm | Create directory to store admission control configurations - name: Kubeadm | Create directory to store admission control configurations
file: file:

2
roles/kubernetes/kubeadm/tasks/kubeadm_etcd_node.yml
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@@ -9,7 +9,7 @@
src: "kubeadm-client.conf.j2" src: "kubeadm-client.conf.j2"
dest: "{{ kube_config_dir }}/kubeadm-cert-controlplane.conf" dest: "{{ kube_config_dir }}/kubeadm-cert-controlplane.conf"
mode: "0640" mode: "0640"
validate: "{{ bin_dir }}/kubeadm config validate --config %s" validate: "{{ kubeadm_config_validate_enabled | ternary(bin_dir + '/kubeadm config validate --config %s', omit) }}"
vars: vars:
kubeadm_cert_controlplane: true kubeadm_cert_controlplane: true

2
roles/kubernetes/kubeadm/tasks/main.yml
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@@ -75,7 +75,7 @@
dest: "{{ kube_config_dir }}/kubeadm-client.conf" dest: "{{ kube_config_dir }}/kubeadm-client.conf"
backup: true backup: true
mode: "0640" mode: "0640"
validate: "{{ bin_dir }}/kubeadm config validate --config %s" validate: "{{ kubeadm_config_validate_enabled | ternary(bin_dir + '/kubeadm config validate --config %s', omit) }}"
when: ('kube_control_plane' not in group_names) when: ('kube_control_plane' not in group_names)
- name: Join to cluster if needed - name: Join to cluster if needed

4
roles/kubespray-defaults/defaults/main/main.yml
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@@ -30,6 +30,10 @@ kube_proxy_mode: ipvs
# If kube_version is v1.31 or higher, it will be v1beta4, otherwise it will be v1beta3. # If kube_version is v1.31 or higher, it will be v1beta4, otherwise it will be v1beta3.
kubeadm_config_api_version: "{{ 'v1beta4' if kube_version is version('v1.31.0', '>=') else 'v1beta3' }}" kubeadm_config_api_version: "{{ 'v1beta4' if kube_version is version('v1.31.0', '>=') else 'v1beta3' }}"
# Debugging option for the kubeadm config validate command
# Set to false only for development and testing scenarios where validation is expected to fail (pre-release Kubernetes versions, etc.)
kubeadm_config_validate_enabled: true
## The timeout for init first control-plane ## The timeout for init first control-plane
kubeadm_init_timeout: 300s kubeadm_init_timeout: 300s