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---
- name: Ensure that Cassandra has nodes to run on
fail:
msg: |-
No schedulable nodes found matching node selector for cassandra - '{{ openshift_metrics_cassandra_nodeselector }}'
when:
- openshift_schedulable_node_labels | lib_utils_oo_has_no_matching_selector(openshift_metrics_cassandra_nodeselector)
- shell: >
{{ openshift_client_binary }} -n {{ openshift_metrics_project | quote }}
--config={{ mktemp.stdout }}/admin.kubeconfig
get rc hawkular-cassandra-{{node}} -o jsonpath='{.spec.replicas}' || echo 0
vars:
node: "{{ item }}"
register: cassandra_replica_count
with_sequence: count={{ openshift_metrics_cassandra_replicas }}
changed_when: false
failed_when: false
- name: generate hawkular-cassandra replication controllers
template:
src: hawkular_cassandra_rc.j2
dest: "{{ mktemp.stdout }}/templates/hawkular-cassandra-rc{{ item }}.yaml"
vars:
node: "{{ item }}"
master: "{{ (item == '1')|string|lower }}"
replica_count: "{{cassandra_replica_count.results[item|int - 1].stdout}}"
node_selector: "{{openshift_metrics_cassandra_nodeselector | default('') }}"
with_sequence: count={{ openshift_metrics_cassandra_replicas }}
changed_when: false
- set_fact: openshift_metrics_cassandra_pvc_prefix="hawkular-metrics"
when: "not openshift_metrics_cassandra_pvc_prefix or openshift_metrics_cassandra_pvc_prefix == ''"
- include_tasks: generate_cassandra_pvcs.yaml
with_sequence: count={{ openshift_metrics_cassandra_replicas }}
loop_control:
loop_var: metrics_pvc_index
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