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-rw-r--r--roles/openshift_logging_mux/defaults/main.yml17
-rw-r--r--roles/openshift_logging_mux/tasks/main.yaml12
-rw-r--r--roles/openshift_logging_mux/templates/mux.j214
3 files changed, 43 insertions, 0 deletions
diff --git a/roles/openshift_logging_mux/defaults/main.yml b/roles/openshift_logging_mux/defaults/main.yml
index 797a27c1b..35fc7146f 100644
--- a/roles/openshift_logging_mux/defaults/main.yml
+++ b/roles/openshift_logging_mux/defaults/main.yml
@@ -47,3 +47,20 @@ openshift_logging_mux_ops_ca: /etc/fluent/keys/ca
#mux_config_contents:
#mux_throttle_contents:
#mux_secureforward_contents:
+
+# One of ['emptydir', 'pvc', 'hostmount']
+openshift_logging_mux_file_buffer_storage_type: "emptydir"
+
+# pvc options
+# the name of the PVC we will bind to -- create it if it does not exist
+openshift_logging_mux_file_buffer_pvc_name: "logging-mux-pvc"
+
+# required if the PVC does not already exist
+openshift_logging_mux_file_buffer_pvc_size: 4Gi
+openshift_logging_mux_file_buffer_pvc_dynamic: false
+openshift_logging_mux_file_buffer_pvc_pv_selector: {}
+openshift_logging_mux_file_buffer_pvc_access_modes: ['ReadWriteOnce']
+openshift_logging_mux_file_buffer_storage_group: '65534'
+
+openshift_logging_mux_file_buffer_pvc_prefix: "logging-mux"
+openshift_logging_mux_file_buffer_limit: 2Gi
diff --git a/roles/openshift_logging_mux/tasks/main.yaml b/roles/openshift_logging_mux/tasks/main.yaml
index 02815806a..8ec93de7d 100644
--- a/roles/openshift_logging_mux/tasks/main.yaml
+++ b/roles/openshift_logging_mux/tasks/main.yaml
@@ -177,6 +177,18 @@
check_mode: no
changed_when: no
+- name: Create Mux PVC
+ oc_pvc:
+ state: present
+ name: "{{ openshift_logging_mux_file_buffer_pvc_name }}"
+ namespace: "{{ openshift_logging_mux_namespace }}"
+ volume_capacity: "{{ openshift_logging_mux_file_buffer_pvc_size }}"
+ access_modes: "{{ openshift_logging_mux_file_buffer_pvc_access_modes | list }}"
+ selector: "{{ openshift_logging_mux_file_buffer_pvc_pv_selector }}"
+ storage_class_name: "{{ openshift_logging_mux_file_buffer_pvc_storage_class_name | default('', true) }}"
+ when:
+ - openshift_logging_mux_file_buffer_storage_type == "pvc"
+
- name: Set logging-mux DC
oc_obj:
state: present
diff --git a/roles/openshift_logging_mux/templates/mux.j2 b/roles/openshift_logging_mux/templates/mux.j2
index 2b3b64bb8..e43d9d397 100644
--- a/roles/openshift_logging_mux/templates/mux.j2
+++ b/roles/openshift_logging_mux/templates/mux.j2
@@ -66,6 +66,8 @@ spec:
- name: muxcerts
mountPath: /etc/fluent/muxkeys
readOnly: true
+ - name: filebufferstorage
+ mountPath: /var/lib/fluentd
env:
- name: "K8S_HOST_URL"
value: "{{openshift_logging_mux_master_url}}"
@@ -115,6 +117,8 @@ spec:
resourceFieldRef:
containerName: "mux"
resource: limits.memory
+ - name: "FILE_BUFFER_LIMIT"
+ value: "{{ openshift_logging_mux_file_buffer_limit | default('2Gi') }}"
volumes:
- name: config
configMap:
@@ -131,3 +135,13 @@ spec:
- name: muxcerts
secret:
secretName: logging-mux
+ - name: filebufferstorage
+{% if openshift_logging_mux_file_buffer_storage_type == 'pvc' %}
+ persistentVolumeClaim:
+ claimName: {{ openshift_logging_mux_file_buffer_pvc_name }}
+{% elif openshift_logging_mux_file_buffer_storage_type == 'hostmount' %}
+ hostPath:
+ path: "/var/log/fluentd"
+{% else %}
+ emptydir: {}
+{% endif %}