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-rw-r--r--roles/openshift_logging_fluentd/defaults/main.yml59
-rw-r--r--roles/openshift_logging_fluentd/files/fluentd-throttle-config.yaml7
-rw-r--r--roles/openshift_logging_fluentd/files/secure-forward.conf24
-rw-r--r--roles/openshift_logging_fluentd/meta/main.yaml15
-rw-r--r--roles/openshift_logging_fluentd/tasks/determine_version.yaml17
-rw-r--r--roles/openshift_logging_fluentd/tasks/label_and_wait.yaml10
-rw-r--r--roles/openshift_logging_fluentd/tasks/main.yaml206
-rw-r--r--roles/openshift_logging_fluentd/templates/fluent.conf.j278
-rw-r--r--roles/openshift_logging_fluentd/templates/fluentd.j2123
-rw-r--r--roles/openshift_logging_fluentd/vars/main.yml5
10 files changed, 544 insertions, 0 deletions
diff --git a/roles/openshift_logging_fluentd/defaults/main.yml b/roles/openshift_logging_fluentd/defaults/main.yml
new file mode 100644
index 000000000..228196d74
--- /dev/null
+++ b/roles/openshift_logging_fluentd/defaults/main.yml
@@ -0,0 +1,59 @@
+---
+### General logging settings
+openshift_logging_fluentd_image_prefix: "{{ openshift_hosted_logging_deployer_prefix | default('docker.io/openshift/origin-') }}"
+openshift_logging_fluentd_image_version: "{{ openshift_hosted_logging_deployer_version | default('latest') }}"
+openshift_logging_fluentd_image_pull_secret: "{{ openshift_hosted_logging_image_pull_secret | default('') }}"
+openshift_logging_fluentd_master_url: "https://kubernetes.default.svc.{{ openshift.common.dns_domain }}"
+openshift_logging_fluentd_namespace: logging
+
+### Common settings
+openshift_logging_fluentd_nodeselector: "{{ openshift_hosted_logging_fluentd_nodeselector_label | default('logging-infra-fluentd=true') | map_from_pairs }}"
+openshift_logging_fluentd_cpu_limit: 100m
+openshift_logging_fluentd_memory_limit: 512Mi
+openshift_logging_fluentd_hosts: ['--all']
+
+# float time in seconds to wait between node labelling
+openshift_logging_fluentd_label_delay: '0.5'
+
+# Fluentd deployment type
+openshift_logging_fluentd_deployment_type: "hosted"
+
+### Used by "hosted" and "secure-host" deployments
+
+# Destination for the application based logs
+openshift_logging_fluentd_app_host: "logging-es"
+openshift_logging_fluentd_app_port: 9200
+# Destination for the operations based logs
+openshift_logging_fluentd_ops_host: "{{ openshift_logging_fluentd_app_host }}"
+openshift_logging_fluentd_ops_port: "{{ openshift_logging_fluentd_app_port }}"
+
+### Used by "hosted" and "secure-aggregator" deployments
+#openshift_logging_fluentd_use_journal: "{{ openshift_hosted_logging_use_journal }}"
+openshift_logging_fluentd_journal_source: "{{ openshift_hosted_logging_journal_source | default('') }}"
+openshift_logging_fluentd_journal_read_from_head: "{{ openshift_hosted_logging_journal_read_from_head | default('') }}"
+
+openshift_logging_fluentd_app_client_cert: /etc/fluent/keys/cert
+openshift_logging_fluentd_app_client_key: /etc/fluent/keys/key
+openshift_logging_fluentd_app_ca: /etc/fluent/keys/ca
+openshift_logging_fluentd_ops_client_cert: /etc/fluent/keys/cert
+openshift_logging_fluentd_ops_client_key: /etc/fluent/keys/key
+openshift_logging_fluentd_ops_ca: /etc/fluent/keys/ca
+
+
+# used by "secure-host" and "secure-aggregator" deployments
+openshift_logging_fluentd_shared_key: "{{ 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789' | random_word(128) }}"
+openshift_logging_fluentd_aggregating_port: 24284
+openshift_logging_fluentd_aggregating_host: "${HOSTNAME}"
+openshift_logging_fluentd_aggregating_secure: "no"
+openshift_logging_fluentd_aggregating_strict: "no"
+openshift_logging_fluentd_aggregating_cert_path: none
+openshift_logging_fluentd_aggregating_key_path: none
+openshift_logging_fluentd_aggregating_passphrase: none
+
+### Deprecating in 3.6
+openshift_logging_fluentd_es_copy: false
+
+# following can be uncommented to provide values for configmaps -- take care when providing file contents as it may cause your cluster to not operate correctly
+#fluentd_config_contents:
+#fluentd_throttle_contents:
+#fluentd_secureforward_contents:
diff --git a/roles/openshift_logging_fluentd/files/fluentd-throttle-config.yaml b/roles/openshift_logging_fluentd/files/fluentd-throttle-config.yaml
new file mode 100644
index 000000000..375621ff1
--- /dev/null
+++ b/roles/openshift_logging_fluentd/files/fluentd-throttle-config.yaml
@@ -0,0 +1,7 @@
+# Logging example fluentd throttling config file
+
+#example-project:
+# read_lines_limit: 10
+#
+#.operations:
+# read_lines_limit: 100
diff --git a/roles/openshift_logging_fluentd/files/secure-forward.conf b/roles/openshift_logging_fluentd/files/secure-forward.conf
new file mode 100644
index 000000000..f4483df79
--- /dev/null
+++ b/roles/openshift_logging_fluentd/files/secure-forward.conf
@@ -0,0 +1,24 @@
+# @type secure_forward
+
+# self_hostname ${HOSTNAME}
+# shared_key <SECRET_STRING>
+
+# secure yes
+# enable_strict_verification yes
+
+# ca_cert_path /etc/fluent/keys/your_ca_cert
+# ca_private_key_path /etc/fluent/keys/your_private_key
+ # for private CA secret key
+# ca_private_key_passphrase passphrase
+
+# <server>
+ # or IP
+# host server.fqdn.example.com
+# port 24284
+# </server>
+# <server>
+ # ip address to connect
+# host 203.0.113.8
+ # specify hostlabel for FQDN verification if ipaddress is used for host
+# hostlabel server.fqdn.example.com
+# </server>
diff --git a/roles/openshift_logging_fluentd/meta/main.yaml b/roles/openshift_logging_fluentd/meta/main.yaml
new file mode 100644
index 000000000..2003aacb2
--- /dev/null
+++ b/roles/openshift_logging_fluentd/meta/main.yaml
@@ -0,0 +1,15 @@
+---
+galaxy_info:
+ author: OpenShift Red Hat
+ description: OpenShift Aggregated Logging Fluentd Component
+ company: Red Hat, Inc.
+ license: Apache License, Version 2.0
+ min_ansible_version: 2.2
+ platforms:
+ - name: EL
+ versions:
+ - 7
+ categories:
+ - cloud
+dependencies:
+- role: lib_openshift
diff --git a/roles/openshift_logging_fluentd/tasks/determine_version.yaml b/roles/openshift_logging_fluentd/tasks/determine_version.yaml
new file mode 100644
index 000000000..a1ba71b1b
--- /dev/null
+++ b/roles/openshift_logging_fluentd/tasks/determine_version.yaml
@@ -0,0 +1,17 @@
+---
+# debating making this a module instead?
+- fail:
+ msg: Missing version to install provided by 'openshift_logging_image_version'
+ when: not openshift_logging_image_version or openshift_logging_image_version == ''
+
+- set_fact:
+ fluentd_version: "{{ __latest_fluentd_version }}"
+ when: openshift_logging_image_version == 'latest'
+
+# should we just assume that we will have the correct major version?
+- set_fact: fluentd_version="{{ openshift_logging_image_version | regex_replace('^v?(?P<major>\d)\.(?P<minor>\d).*$', '3_\\g<minor>') }}"
+ when: openshift_logging_image_version != 'latest'
+
+- fail:
+ msg: Invalid version specified for Fluentd
+ when: fluentd_version not in __allowed_fluentd_versions
diff --git a/roles/openshift_logging_fluentd/tasks/label_and_wait.yaml b/roles/openshift_logging_fluentd/tasks/label_and_wait.yaml
new file mode 100644
index 000000000..e92a35f27
--- /dev/null
+++ b/roles/openshift_logging_fluentd/tasks/label_and_wait.yaml
@@ -0,0 +1,10 @@
+---
+- name: Label {{ node }} for Fluentd deployment
+ oc_label:
+ name: "{{ node }}"
+ kind: node
+ state: add
+ labels: "{{ openshift_logging_fluentd_nodeselector | oo_dict_to_list_of_dict }}"
+
+# wait half a second between labels
+- local_action: command sleep {{ openshift_logging_fluentd_label_delay | default('.5') }}
diff --git a/roles/openshift_logging_fluentd/tasks/main.yaml b/roles/openshift_logging_fluentd/tasks/main.yaml
new file mode 100644
index 000000000..8194223e8
--- /dev/null
+++ b/roles/openshift_logging_fluentd/tasks/main.yaml
@@ -0,0 +1,206 @@
+---
+- fail:
+ msg: Only one Fluentd nodeselector key pair should be provided
+ when: "{{ openshift_logging_fluentd_nodeselector.keys() | count }} > 1"
+
+- fail:
+ msg: Application logs destination is required
+ when: not openshift_logging_fluentd_app_host or openshift_logging_fluentd_app_host == ''
+
+- fail:
+ msg: Operations logs destination is required
+ when: not openshift_logging_fluentd_ops_host or openshift_logging_fluentd_ops_host == ''
+
+- fail:
+ msg: Invalid deployment type, one of ['hosted', 'secure-aggregator', 'secure-host'] allowed
+ when: not openshift_logging_fluentd_deployment_type in __allowed_fluentd_types
+
+- include: determine_version.yaml
+
+- set_fact:
+ openshift_logging_fluentd_use_journal: "{{ openshift_hosted_logging_use_journal }}"
+ when:
+ - openshift_hosted_logging_use_journal is defined
+ - openshift_logging_fluentd_use_journal is not defined
+
+- set_fact:
+ openshift_logging_fluentd_use_journal: "{{ __fluentd_use_journal }}"
+ when:
+ - openshift_hosted_logging_use_journal is not defined
+ - openshift_logging_fluentd_use_journal is not defined
+
+# allow passing in a tempdir
+- name: Create temp directory for doing work in
+ command: mktemp -d /tmp/openshift-logging-ansible-XXXXXX
+ register: mktemp
+ changed_when: False
+
+- set_fact:
+ tempdir: "{{ mktemp.stdout }}"
+
+- name: Create templates subdirectory
+ file:
+ state: directory
+ path: "{{ tempdir }}/templates"
+ mode: 0755
+ changed_when: False
+
+# we want to make sure we have all the necessary components here
+
+# create service account
+- name: Create Fluentd service account
+ oc_serviceaccount:
+ state: present
+ name: "aggregated-logging-fluentd"
+ namespace: "{{ openshift_logging_fluentd_namespace }}"
+ image_pull_secrets: "{{ openshift_logging_image_pull_secret }}"
+ when: openshift_logging_image_pull_secret != ''
+
+- name: Create Fluentd service account
+ oc_serviceaccount:
+ state: present
+ name: "aggregated-logging-fluentd"
+ namespace: "{{ openshift_logging_fluentd_namespace }}"
+ when:
+ - openshift_logging_image_pull_secret == ''
+
+# set service account scc
+- name: Set privileged permissions for Fluentd
+ oc_adm_policy_user:
+ namespace: "{{ openshift_logging_fluentd_namespace }}"
+ resource_kind: scc
+ resource_name: privileged
+ state: present
+ user: "system:serviceaccount:{{ openshift_logging_fluentd_namespace }}:aggregated-logging-fluentd"
+
+# set service account permissions
+- name: Set cluster-reader permissions for Fluentd
+ oc_adm_policy_user:
+ namespace: "{{ openshift_logging_fluentd_namespace }}"
+ resource_kind: cluster-role
+ resource_name: cluster-reader
+ state: present
+ user: "system:serviceaccount:{{ openshift_logging_fluentd_namespace }}:aggregated-logging-fluentd"
+
+# create Fluentd configmap
+- template:
+ src: fluent.conf.j2
+ dest: "{{ tempdir }}/fluent.conf"
+ vars:
+ deploy_type: "{{ openshift_logging_fluentd_deployment_type }}"
+ when: fluentd_config_contents is undefined
+ changed_when: no
+
+- copy:
+ src: fluentd-throttle-config.yaml
+ dest: "{{ tempdir }}/fluentd-throttle-config.yaml"
+ when: fluentd_throttle_contents is undefined
+ changed_when: no
+
+- copy:
+ src: secure-forward.conf
+ dest: "{{ tempdir }}/secure-forward.conf"
+ when: fluentd_securefoward_contents is undefined
+
+ changed_when: no
+
+- copy:
+ content: "{{ fluentd_config_contents }}"
+ dest: "{{ tempdir }}/fluent.conf"
+ when: fluentd_config_contents is defined
+ changed_when: no
+
+- copy:
+ content: "{{ fluentd_throttle_contents }}"
+ dest: "{{ tempdir }}/fluentd-throttle-config.yaml"
+ when: fluentd_throttle_contents is defined
+ changed_when: no
+
+- copy:
+ content: "{{ fluentd_secureforward_contents }}"
+ dest: "{{ tempdir }}/secure-forward.conf"
+ when: fluentd_secureforward_contents is defined
+ changed_when: no
+
+- name: Set Fluentd configmap
+ oc_configmap:
+ state: present
+ name: "logging-fluentd"
+ namespace: "{{ openshift_logging_fluentd_namespace }}"
+ from_file:
+ fluent.conf: "{{ tempdir }}/fluent.conf"
+ throttle-config.yaml: "{{ tempdir }}/fluentd-throttle-config.yaml"
+ secure-forward.conf: "{{ tempdir }}/secure-forward.conf"
+
+# create Fluentd secret
+# TODO: add aggregation secrets if necessary
+- name: Set logging-fluentd secret
+ oc_secret:
+ state: present
+ name: logging-fluentd
+ namespace: "{{ openshift_logging_fluentd_namespace }}"
+ files:
+ - name: ca
+ path: "{{ generated_certs_dir }}/ca.crt"
+ - name: key
+ path: "{{ generated_certs_dir }}/system.logging.fluentd.key"
+ - name: cert
+ path: "{{ generated_certs_dir }}/system.logging.fluentd.crt"
+
+# create Fluentd daemonset
+
+# this should change based on the type of fluentd deployment to be done...
+# TODO: pass in aggregation configurations
+- name: Generate logging-fluentd daemonset definition
+ template:
+ src: fluentd.j2
+ dest: "{{ tempdir }}/templates/logging-fluentd.yaml"
+ vars:
+ daemonset_name: logging-fluentd
+ daemonset_component: fluentd
+ daemonset_container_name: fluentd-elasticsearch
+ daemonset_serviceAccount: aggregated-logging-fluentd
+ app_host: "{{ openshift_logging_fluentd_app_host }}"
+ app_port: "{{ openshift_logging_fluentd_app_port }}"
+ ops_host: "{{ openshift_logging_fluentd_ops_host }}"
+ ops_port: "{{ openshift_logging_fluentd_ops_port }}"
+ fluentd_nodeselector_key: "{{ openshift_logging_fluentd_nodeselector.keys()[0] }}"
+ fluentd_nodeselector_value: "{{ openshift_logging_fluentd_nodeselector.values()[0] }}"
+ check_mode: no
+ changed_when: no
+
+- name: Set logging-fluentd daemonset
+ oc_obj:
+ state: present
+ name: logging-fluentd
+ namespace: "{{ openshift_logging_fluentd_namespace }}"
+ kind: daemonset
+ files:
+ - "{{ tempdir }}/templates/logging-fluentd.yaml"
+ delete_after: true
+
+# Scale up Fluentd
+- name: Retrieve list of Fluentd hosts
+ oc_obj:
+ state: list
+ kind: node
+ when: "'--all' in openshift_logging_fluentd_hosts"
+ register: fluentd_hosts
+
+- name: Set openshift_logging_fluentd_hosts
+ set_fact:
+ openshift_logging_fluentd_hosts: "{{ fluentd_hosts.results.results[0]['items'] | map(attribute='metadata.name') | list }}"
+ when: "'--all' in openshift_logging_fluentd_hosts"
+
+- include: label_and_wait.yaml
+ vars:
+ node: "{{ fluentd_host }}"
+ with_items: "{{ openshift_logging_fluentd_hosts }}"
+ loop_control:
+ loop_var: fluentd_host
+
+- name: Delete temp directory
+ file:
+ name: "{{ tempdir }}"
+ state: absent
+ changed_when: False
diff --git a/roles/openshift_logging_fluentd/templates/fluent.conf.j2 b/roles/openshift_logging_fluentd/templates/fluent.conf.j2
new file mode 100644
index 000000000..46de94d60
--- /dev/null
+++ b/roles/openshift_logging_fluentd/templates/fluent.conf.j2
@@ -0,0 +1,78 @@
+# This file is the fluentd configuration entrypoint. Edit with care.
+
+@include configs.d/openshift/system.conf
+
+# In each section below, pre- and post- includes don't include anything initially;
+# they exist to enable future additions to openshift conf as needed.
+
+## sources
+{% if deploy_type in ['hosted', 'secure-aggregator'] %}
+## ordered so that syslog always runs last...
+@include configs.d/openshift/input-pre-*.conf
+@include configs.d/dynamic/input-docker-*.conf
+@include configs.d/dynamic/input-syslog-*.conf
+@include configs.d/openshift/input-post-*.conf
+##
+{% else %}
+<source>
+ @type secure_forward
+ @label @INGRESS
+
+ self_hostname ${HOSTNAME}
+ bind 0.0.0.0
+ port {{openshift_logging_fluentd_aggregating_port}}
+
+ shared_key {{openshift_logging_fluentd_shared_key}}
+
+ secure {{openshift_logging_fluentd_aggregating_secure}}
+ enable_strict_verification {{openshift_logging_fluentd_aggregating_strict}}
+ ca_cert_path {{openshift_logging_fluentd_aggregating_cert_path}}
+ ca_private_key_path {{openshift_logging_fluentd_aggregating_key_path}}
+ ca_private_key_passphrase {{openshift_logging_fluentd_aggregating_passphrase}}
+
+ <client>
+ host {{openshift_logging_fluentd_aggregating_host}}
+ </client>
+</source>
+{% endif %}
+
+<label @INGRESS>
+{% if deploy_type in ['hosted', 'secure-host'] %}
+## filters
+ @include configs.d/openshift/filter-pre-*.conf
+ @include configs.d/openshift/filter-retag-journal.conf
+ @include configs.d/openshift/filter-k8s-meta.conf
+ @include configs.d/openshift/filter-kibana-transform.conf
+ @include configs.d/openshift/filter-k8s-flatten-hash.conf
+ @include configs.d/openshift/filter-k8s-record-transform.conf
+ @include configs.d/openshift/filter-syslog-record-transform.conf
+ @include configs.d/openshift/filter-viaq-data-model.conf
+ @include configs.d/openshift/filter-post-*.conf
+##
+
+## matches
+ @include configs.d/openshift/output-pre-*.conf
+ @include configs.d/openshift/output-operations.conf
+ @include configs.d/openshift/output-applications.conf
+ # no post - applications.conf matches everything left
+##
+{% else %}
+ <match **>
+ @type secure_forward
+
+ self_hostname ${HOSTNAME}
+ shared_key {{openshift_logging_fluentd_shared_key}}
+
+ secure {{openshift_logging_fluentd_aggregating_secure}}
+ enable_strict_verification {{openshift_logging_fluentd_aggregating_strict}}
+ ca_cert_path {{openshift_logging_fluentd_aggregating_cert_path}}
+ ca_private_key_path {{openshift_logging_fluentd_aggregating_key_path}}
+ ca_private_key_passphrase {{openshift_logging_fluentd_aggregating_passphrase}}
+
+ <server>
+ host {{openshift_logging_fluentd_aggregating_host}}
+ port {{openshift_logging_fluentd_aggregating_port}}
+ </server>
+ </match>
+{% endif %}
+</label>
diff --git a/roles/openshift_logging_fluentd/templates/fluentd.j2 b/roles/openshift_logging_fluentd/templates/fluentd.j2
new file mode 100644
index 000000000..e185938e3
--- /dev/null
+++ b/roles/openshift_logging_fluentd/templates/fluentd.j2
@@ -0,0 +1,123 @@
+apiVersion: extensions/v1beta1
+kind: "DaemonSet"
+metadata:
+ name: "{{ daemonset_name }}"
+ labels:
+ provider: openshift
+ component: "{{ daemonset_component }}"
+ logging-infra: "{{ daemonset_component }}"
+spec:
+ selector:
+ matchLabels:
+ provider: openshift
+ component: "{{ daemonset_component }}"
+ updateStrategy:
+ type: RollingUpdate
+ rollingUpdate:
+ minReadySeconds: 600
+ template:
+ metadata:
+ name: "{{ daemonset_container_name }}"
+ labels:
+ logging-infra: "{{ daemonset_component }}"
+ provider: openshift
+ component: "{{ daemonset_component }}"
+ spec:
+ serviceAccountName: "{{ daemonset_serviceAccount }}"
+ nodeSelector:
+ {{ fluentd_nodeselector_key }}: "{{ fluentd_nodeselector_value }}"
+ containers:
+ - name: "{{ daemonset_container_name }}"
+ image: "{{ openshift_logging_image_prefix }}{{ daemonset_name }}:{{ openshift_logging_image_version }}"
+ imagePullPolicy: Always
+ securityContext:
+ privileged: true
+ resources:
+ limits:
+ cpu: {{ openshift_logging_fluentd_cpu_limit }}
+ memory: {{ openshift_logging_fluentd_memory_limit }}
+ volumeMounts:
+ - name: runlogjournal
+ mountPath: /run/log/journal
+ - name: varlog
+ mountPath: /var/log
+ - name: varlibdockercontainers
+ mountPath: /var/lib/docker/containers
+ readOnly: true
+ - name: config
+ mountPath: /etc/fluent/configs.d/user
+ readOnly: true
+ - name: certs
+ mountPath: /etc/fluent/keys
+ readOnly: true
+ - name: dockerhostname
+ mountPath: /etc/docker-hostname
+ readOnly: true
+ - name: localtime
+ mountPath: /etc/localtime
+ readOnly: true
+ - name: dockercfg
+ mountPath: /etc/sysconfig/docker
+ readOnly: true
+ - name: dockerdaemoncfg
+ mountPath: /etc/docker
+ readOnly: true
+ env:
+ - name: "K8S_HOST_URL"
+ value: "{{ openshift_logging_fluentd_master_url }}"
+ - name: "ES_HOST"
+ value: "{{ app_host }}"
+ - name: "ES_PORT"
+ value: "{{ app_port }}"
+ - name: "ES_CLIENT_CERT"
+ value: "{{ openshift_logging_fluentd_app_client_cert }}"
+ - name: "ES_CLIENT_KEY"
+ value: "{{ openshift_logging_fluentd_app_client_key }}"
+ - name: "ES_CA"
+ value: "{{ openshift_logging_fluentd_app_ca }}"
+ - name: "OPS_HOST"
+ value: "{{ ops_host }}"
+ - name: "OPS_PORT"
+ value: "{{ ops_port }}"
+ - name: "OPS_CLIENT_CERT"
+ value: "{{ openshift_logging_fluentd_ops_client_cert }}"
+ - name: "OPS_CLIENT_KEY"
+ value: "{{ openshift_logging_fluentd_ops_client_key }}"
+ - name: "OPS_CA"
+ value: "{{ openshift_logging_fluentd_ops_ca }}"
+ - name: "ES_COPY"
+ value: "false"
+ - name: "USE_JOURNAL"
+ value: "{{ openshift_logging_fluentd_use_journal | lower }}"
+ - name: "JOURNAL_SOURCE"
+ value: "{{ openshift_logging_fluentd_journal_source | default('') }}"
+ - name: "JOURNAL_READ_FROM_HEAD"
+ value: "{{ openshift_logging_fluentd_journal_read_from_head | lower }}"
+ volumes:
+ - name: runlogjournal
+ hostPath:
+ path: /run/log/journal
+ - name: varlog
+ hostPath:
+ path: /var/log
+ - name: varlibdockercontainers
+ hostPath:
+ path: /var/lib/docker/containers
+ - name: config
+ configMap:
+ name: logging-fluentd
+ - name: certs
+ secret:
+ secretName: logging-fluentd
+ - name: dockerhostname
+ hostPath:
+ path: /etc/hostname
+ - name: localtime
+ hostPath:
+ path: /etc/localtime
+ - name: dockercfg
+ hostPath:
+ path: /etc/sysconfig/docker
+ - name: dockerdaemoncfg
+ hostPath:
+ path: /etc/docker
diff --git a/roles/openshift_logging_fluentd/vars/main.yml b/roles/openshift_logging_fluentd/vars/main.yml
new file mode 100644
index 000000000..f601b738e
--- /dev/null
+++ b/roles/openshift_logging_fluentd/vars/main.yml
@@ -0,0 +1,5 @@
+---
+__latest_fluentd_version: "3_5"
+__allowed_fluentd_versions: ["3_5", "3_6"]
+__allowed_fluentd_types: ["hosted", "secure-aggregator", "secure-host"]
+__fluentd_use_journal: "{{ (docker_log_driver == 'journald') | ternary(True, False) if docker_log_driver is defined else (openshift.docker.log_driver == 'journald') | ternary(True, False) if openshift.docker.log_driver is defined else openshift.docker.options | search('--log-driver=journald') if openshift.docker.options is defined else default(omit) }}"