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Diffstat (limited to 'roles/openshift_logging/README.md')
| -rw-r--r-- | roles/openshift_logging/README.md | 55 |
1 files changed, 47 insertions, 8 deletions
diff --git a/roles/openshift_logging/README.md b/roles/openshift_logging/README.md index 0c60ef6fd..f283261c4 100644 --- a/roles/openshift_logging/README.md +++ b/roles/openshift_logging/README.md @@ -15,14 +15,25 @@ to the list of persisted [node labels](https://docs.openshift.org/latest/install ###Required vars: - `openshift_logging_install_logging`: When `True` the `openshift_logging` role will install Aggregated Logging. -- `openshift_logging_upgrade_logging`: When `True` the `openshift_logging` role will upgrade Aggregated Logging. -When both `openshift_logging_install_logging` and `openshift_logging_upgrade_logging` are `False` the `openshift_logging` role will uninstall Aggregated Logging. +When `openshift_logging_install_logging` is set to `False` the `openshift_logging` role will uninstall Aggregated Logging. ###Optional vars: - +- `openshift_logging_purge_logging`: When `openshift_logging_install_logging` is set to 'False' to trigger uninstalation and `openshift_logging_purge_logging` is set to 'True', it will completely and irreversibly remove all logging persistent data including PVC. Defaults to 'False'. - `openshift_logging_image_prefix`: The prefix for the logging images to use. Defaults to 'docker.io/openshift/origin-'. +- `openshift_logging_curator_image_prefix`: Setting the image prefix for Curator image. Defaults to `openshift_logging_image_prefix`. +- `openshift_logging_elasticsearch_image_prefix`: Setting the image prefix for Elasticsearch image. Defaults to `openshift_logging_image_prefix`. +- `openshift_logging_fluentd_image_prefix`: Setting the image prefix for Fluentd image. Defaults to `openshift_logging_image_prefix`. +- `openshift_logging_kibana_image_prefix`: Setting the image prefix for Kibana image. Defaults to `openshift_logging_image_prefix`. +- `openshift_logging_kibana_proxy_image_prefix`: Setting the image prefix for Kibana proxy image. Defaults to `openshift_logging_image_prefix`. +- `openshift_logging_mux_image_prefix`: Setting the image prefix for Mux image. Defaults to `openshift_logging_image_prefix`. - `openshift_logging_image_version`: The image version for the logging images to use. Defaults to 'latest'. +- `openshift_logging_curator_image_version`: Setting the image version for Curator image. Defaults to `openshift_logging_image_version`. +- `openshift_logging_elasticsearch_image_version`: Setting the image version for Elasticsearch image. Defaults to `openshift_logging_image_version`. +- `openshift_logging_fluentd_image_version`: Setting the image version for Fluentd image. Defaults to `openshift_logging_image_version`. +- `openshift_logging_kibana_image_version`: Setting the image version for Kibana image. Defaults to `openshift_logging_image_version`. +- `openshift_logging_kibana_proxy_image_version`: Setting the image version for Kibana proxy image. Defaults to `openshift_logging_image_version`. +- `openshift_logging_mux_image_version`: Setting the image version for Mux image. Defaults to `openshift_logging_image_version`. - `openshift_logging_use_ops`: If 'True', set up a second ES and Kibana cluster for infrastructure logs. Defaults to 'False'. - `openshift_logging_master_url`: The URL for the Kubernetes master, this does not need to be public facing but should be accessible from within the cluster. Defaults to 'https://kubernetes.default.svc.{{openshift.common.dns_domain}}'. - `openshift_logging_master_public_url`: The public facing URL for the Kubernetes master, this is used for Authentication redirection. Defaults to 'https://{{openshift.common.public_hostname}}:{{openshift.master.api_port}}'. @@ -52,9 +63,13 @@ When both `openshift_logging_install_logging` and `openshift_logging_upgrade_log - `openshift_logging_fluentd_cpu_limit`: The CPU limit for Fluentd pods. Defaults to '100m'. - `openshift_logging_fluentd_memory_limit`: The memory limit for Fluentd pods. Defaults to '512Mi'. - `openshift_logging_fluentd_es_copy`: Whether or not to use the ES_COPY feature for Fluentd (DEPRECATED). Defaults to 'False'. -- `openshift_logging_fluentd_use_journal`: NOTE: Fluentd will attempt to detect whether or not Docker is using the journald log driver when using the default of empty. +- `openshift_logging_fluentd_use_journal`: *DEPRECATED - DO NOT USE* Fluentd will automatically detect whether or not Docker is using the journald log driver. - `openshift_logging_fluentd_journal_read_from_head`: If empty, Fluentd will use its internal default, which is false. - `openshift_logging_fluentd_hosts`: List of nodes that should be labeled for Fluentd to be deployed to. Defaults to ['--all']. +- `openshift_logging_fluentd_buffer_queue_limit`: Buffer queue limit for Fluentd. Defaults to 1024. +- `openshift_logging_fluentd_buffer_size_limit`: Buffer chunk limit for Fluentd. Defaults to 1m. +- `openshift_logging_fluentd_file_buffer_limit`: Fluentd will set the value to the file buffer limit. Defaults to '1Gi' per destination. + - `openshift_logging_es_host`: The name of the ES service Fluentd should send logs to. Defaults to 'logging-es'. - `openshift_logging_es_port`: The port for the ES service Fluentd should sent its logs to. Defaults to '9200'. @@ -131,16 +146,23 @@ Elasticsearch OPS too, if using an OPS cluster: secure_forward forwarder for the node agent Fluentd daemonsets running in the cluster. This can be used to reduce the number of connections to the OpenShift API server, by using `mux` and configuring each node Fluentd to - send raw logs to mux and turn off the k8s metadata plugin. + send raw logs to mux and turn off the k8s metadata plugin. This requires the + use of `openshift_logging_mux_client_mode` (see below). - `openshift_logging_mux_allow_external`: Default `False`. If this is `True`, the `mux` service will be deployed, and it will be configured to allow Fluentd clients running outside of the cluster to send logs using secure_forward. This allows OpenShift logging to be used as a central logging service for clients other than OpenShift, or other OpenShift clusters. -- `openshift_logging_use_mux_client`: Default `False`. If this is `True`, the - node agent Fluentd services will be configured to send logs to the mux - service rather than directly to Elasticsearch. +- `openshift_logging_mux_client_mode`: Values - `minimal`, `maximal`. + Default is unset. Setting this value will cause the Fluentd node agent to + send logs to mux rather than directly to Elasticsearch. The value + `maximal` means that Fluentd will do as much processing as possible at the + node before sending the records to mux. This is the current recommended + way to use mux due to current scaling issues. + The value `minimal` means that Fluentd will do *no* processing at all, and + send the raw logs to mux for processing. We do not currently recommend using + this mode, and ansible will warn you about this. - `openshift_logging_mux_hostname`: Default is "mux." + `openshift_master_default_subdomain`. This is the hostname *external*_ clients will use to connect to mux, and will be used in the TLS server cert @@ -155,3 +177,20 @@ Elasticsearch OPS too, if using an OPS cluster: - `openshift_logging_mux_namespaces`: Default `[]` - additional namespaces to create for _external_ mux clients to associate with their logs - users will need to set this +- `openshift_logging_mux_buffer_queue_limit`: Default `[1024]` - Buffer queue limit for Mux. +- `openshift_logging_mux_buffer_size_limit`: Default `[1m]` - Buffer chunk limit for Mux. +- `openshift_logging_mux_file_buffer_limit`: Default `[2Gi]` per destination - Mux will + set the value to the file buffer limit. +- `openshift_logging_mux_file_buffer_storage_type`: Default `[emptydir]` - Storage + type for the file buffer. One of [`emptydir`, `pvc`, `hostmount`] + +- `openshift_logging_mux_file_buffer_pvc_size`: The requested size for the file buffer + PVC, when not provided the role will not generate any PVCs. Defaults to `4Gi`. +- `openshift_logging_mux_file_buffer_pvc_dynamic`: Whether or not to add the dynamic + PVC annotation for any generated PVCs. Defaults to 'False'. +- `openshift_logging_mux_file_buffer_pvc_pv_selector`: A key/value map added to a PVC + in order to select specific PVs. Defaults to 'None'. +- `openshift_logging_mux_file_buffer_pvc_prefix`: The prefix for the generated PVCs. + Defaults to 'logging-mux'. +- `openshift_logging_mux_file_buffer_storage_group`: The storage group used for Mux. + Defaults to '65534'. |