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authorJack Lucas <jflos@sonoris.net>2021-03-23 10:25:15 -0400
committerJack Lucas <jflos@sonoris.net>2021-03-23 10:25:15 -0400
commit09fd289ae80f41a3d98088facaa1477fcf418ca3 (patch)
tree5f92b0ff0eeeecf5e5fb7bd218ca0f089e76cb3a
parent0e80975762df79638d4bf0d62974e656f693438d (diff)
Document DCAE microservice installation via Helm
Add documentation about installation of DCAE microservices via Helm. Update ports/services table. Issue-ID: DCAEGEN2-2615 Signed-off-by: Jack Lucas <jflos@sonoris.net> Change-Id: Ib57973a8b138d50609d683460dc876bc3a2087c5
-rw-r--r--docs/sections/installation_oom.rst104
1 files changed, 50 insertions, 54 deletions
diff --git a/docs/sections/installation_oom.rst b/docs/sections/installation_oom.rst
index 671919a2..c2701c88 100644
--- a/docs/sections/installation_oom.rst
+++ b/docs/sections/installation_oom.rst
@@ -21,11 +21,10 @@ At deployment time, with a single **helm deploy** command, Helm resolves all the
and invokes Kubernetes deployment operations for all the resources.
All ONAP Helm charts are organized under the **kubernetes** directory of the **OOM** project, where roughly each ONAP component occupies a subdirectory.
-DCAE charts are placed under the **dcaegen2** directory.
+DCAE platform components are deployed using Helm charts under the **dcaegen2** directory.
+Four DCAE services (the HV VES collector, the VES collector, the PNF Registration Handler, and the TCA (Gen 2) analytics service) are deployed using Helm charts under the **dcaegen2-services** directory.
-All DCAE platform components have corresponding Helm chart which will be used to trigger the deployment.
-All DCAE Services are deployed through Cloudify Blueprint. The default ONAP DCAE deployment includes small subset of DCAE services deployed through Bootstrap pod to meet
-ONAP Integration usecases. Optionally operators can deploy on-demand other MS required for their usecases as described in :doc:`On-demand MS Installation
+Other DCAE Services are deployed on-demand, after ONAP/DCAE installation, through Cloudify Blueprints. Operators can deploy on-demand other MS required for their usecases as described in :doc:`On-demand MS Installation
<./installation_MS_ondemand>`.
@@ -51,9 +50,20 @@ The dcaegen2 chart has the following sub-charts:
* ``dcae-policy-handler``: deploys the DCAE policy handler service.
* ``dcae-redis``: deploys the DCAE Redis cluster.
* ``dcae-dashboard``: deploys the DCAE Dashboard for managing DCAE microservices deployments
-* ``dcae-servicechange-handler``: deploys the DCAE service change handler service. A subchart (``dcae-inventory-api``) deploys the DCAE inventory API service.
+* ``dcae-servicechange-handler``: deploys the DCAE service change handler service.
+* ``dcae-inventory-api``: deploys the DCAE inventory API service.
* ``dcae-ves-openapi-manager``: deploys the DCAE service validator of VES_EVENT type artifacts from distributed services.
+The dcaegen2-services chart has the following sub-charts:
+
+* ``dcae-hv-ves-collector``: deploys the DCAE High-Volume VES collector service.
+* ``dcae-ms-healthcheck``: deploys a health check component that tests the health of the 4 DCAE services deployed via Helm.
+* ``dcae-prh``: deploys the DCAE PNF Registration Handler service.
+* ``dcae-tcagen2``: deploys the DCAE TCA analytics service.
+* ``dcae-ves-collector``: deploys the DCAE VES collector service.
+
+The dcaegen2-services sub-charts depend on a set of common templates, found under the ``common`` subdirectory under ``dcaegen2-services``.
+
DCAE Deployment
---------------
@@ -70,10 +80,11 @@ These include:
* Deployment handler
* Policy handler
* Service change handler
- * Inventory API service (launched as a subchart of service change handler)
+ * Inventory API service
* Inventory postgres database service (launched as a dependency of the inventory API service)
* DCAE postgres database service (launched as a dependency of the bootstrap service)
* DCAE Redis cluster
+ * DCAE Mongo database service (launched as a dependency of the bootstrap service)
* VES OpenAPI Manager
Some of the DCAE subcharts include an initContainer that checks to see if
@@ -87,7 +98,6 @@ directory, not as part of the DCAE chart hierarchy.
The dcae-bootstrap service has a number of prerequisites because the subsequently deployed DCAE components depends on a number of resources having entered their normal operation state. DCAE bootstrap job will not start before these resources are ready. They are:
-
* dcae-cloudify-manager
* consul-server
* msb-discovery
@@ -96,32 +106,10 @@ The dcae-bootstrap service has a number of prerequisites because the subsequentl
* dcae-db
* dcae-mongodb
* dcae-inventory-api
-
+
Additionaly tls-init-container invoked during component deployment relies on AAF to generate the required certificate hence AAF
-must be enabled under OOM deployment configuration.
-
-Once started, the DCAE bootstrap service will call Cloudify Manager to deploy
-a series of blueprints which specify the additional DCAE microservice components.
-These blueprints use the DCAE Kubernetes plugin (``k8splugin``) to deploy
-Docker images into the ONAP Kubernetes cluster. For each component, the plugin
-creates a Kubernetes deployment and other Kubernetes resources (services, volumes, logging sidecar, etc.)
-as needed.
-
-The DCAE bootstrap service creates the following Kubernetes deployments:
-
-* deploy/dep-dcae-hv-ves-collector
-* deploy/dep-dcae-prh
-* deploy/dep-dcae-tca-analytics
-* deploy/dep-dcae-tcagen2
-* deploy/dep-dcae-ves-collector
-* deploy/dep-holmes-engine-mgmt
-* deploy/dep-holmes-rule-mgmt
-
-After deploying all of the blueprints, the DCAE bootstrap service
-continues to run. The bootstrap container can be useful for
-troubleshooting or for launching additional components. The bootstrap
-container logs (accessed using the ``kubectl logs`` command) show the
-details of all of the component deployments.
+must be enabled under OOM deployment configuration.
+
DCAE Configuration
------------------
@@ -149,6 +137,9 @@ In addition, for DCAE components deployed through Cloudify Manager blueprints, t
Now we walk through an example, how to configure the Docker image for the DCAE VESCollector, which is deployed by Cloudify Manager.
+(*Note: Beginning with the Honolulu release, VESCollector is no longer deployed using Cloudify Manager. However, the example is still
+useful for understanding how to deploy other components using a Cloudify blueprint.*)
+
In the `k8s-ves.yaml <https://git.onap.org/dcaegen2/platform/blueprints/tree/blueprints/k8s-ves.yaml>`_ blueprint, the Docker image to use is defined as an input parameter with a default value:
.. code-block:: yaml
@@ -156,7 +147,7 @@ In the `k8s-ves.yaml <https://git.onap.org/dcaegen2/platform/blueprints/tree/bl
tag_version:
type: string
default: "nexus3.onap.org:10001/onap/org.onap.dcaegen2.collectors.ves.vescollector:1.5.4"
-
+
The corresponding input file, ``https://git.onap.org/oom/tree/kubernetes/dcaegen2/components/dcae-bootstrap/resources/inputs/k8s-ves-inputs-tls.yaml``,
it is defined again as:
@@ -164,7 +155,7 @@ it is defined again as:
{{ if .Values.componentImages.ves }}
tag_version: {{ include "common.repository" . }}/{{ .Values.componentImages.ves }}
{{ end }}
-
+
Thus, when ``common.repository`` and ``componentImages.ves`` are defined in the ``values.yaml`` files,
their values will be plugged in here and the resulting ``tag_version`` value
@@ -184,22 +175,23 @@ DCAE Service Endpoints
----------------------
Below is a table of default hostnames and ports for DCAE component service endpoints in Kubernetes deployment:
- ================== ================================= ======================================================
- Component Cluster Internal (host:port) Cluster external (svc_name:port)
- ================== ================================= ======================================================
- VES dcae-ves-collector:8443 xdcae-ves-collector.onap:30417
- HV-VES dcae-hv-ves-collector:6061 xdcae-hv-ves-collector.onap:30222
- TCA dcae-tca-analytics:11011 xdcae-tca-analytics.onap:32010
- TCA-Gen2 dcae-tcagen2:9091 NA
- PRH dcae-prh:8100 NA
- Policy Handler policy-handler:25577 NA
- Deployment Handler deployment-handler:8443 NA
- Inventory inventory:8080 NA
- Config binding config-binding-service:10000/10001 config-binding-service:30415
- DCAE Healthcheck dcae-healthcheck:80 NA
- Cloudify Manager dcae-cloudify-manager:80 NA
- DCAE Dashboard dcae-dashboard:8443 xdcae-dashboard:30419
- ================== ================================= ======================================================
+ =================== ================================== =======================================================
+ Component Cluster Internal (host:port) Cluster external (svc_name:port)
+ =================== ================================== =======================================================
+ VES dcae-ves-collector:8443 dcae-ves-collector.onap:30417
+ HV-VES dcae-hv-ves-collector:6061 dcae-hv-ves-collector.onap:30222
+ TCA-Gen2 dcae-tcagen2:9091 NA
+ PRH dcae-prh:8100 NA
+ Policy Handler policy-handler:25577 NA
+ Deployment Handler deployment-handler:8443 NA
+ Inventory inventory:8080 NA
+ Config binding config-binding-service:10000/10001 NA
+ DCAE Healthcheck dcae-healthcheck:80 NA
+ DCAE MS Healthcheck dcae-ms-healthcheck:8080 NA
+ Cloudify Manager dcae-cloudify-manager:80 NA
+ DCAE Dashboard dashboard:8443 dashboard:30418
+ DCAE mongo dcae-mongo-read:27017 NA
+ =================== ================================== =======================================================
In addition, a number of ONAP service endpoints that are used by DCAE components are listed as follows
for reference by DCAE developers and testers:
@@ -207,10 +199,10 @@ for reference by DCAE developers and testers:
==================== ============================ ================================
Component Cluster Internal (host:port) Cluster external (svc_name:port)
==================== ============================ ================================
- Consul Server consul-server:8500 consul-server:30270
+ Consul Server consul-server-ui:8500 NA
Robot robot:88 robot:30209 TCP
- Message router message-router:3904 message-router:30227
- Message router message-router:3905 message-router:30226
+ Message router message-router:3904 NA
+ Message router message-router:3905 message-router-external:30226
Message router Kafka message-router-kafka:9092 NA
MSB Discovery msb-discovery:10081 msb-discovery:30281
Logging log-kibana:5601 log-kibana:30253
@@ -252,4 +244,8 @@ DCAE components deployed by Cloudify Manager are uninstalled:
The DCAE cleanup script uses Cloudify Manager and the DCAE Kubernetes
plugin to instruct Kubernetes to delete the components deployed by Cloudify
Manager. This includes the components deployed when the DCAE bootstrap
-service ran and any components deployed after bootstrap. \ No newline at end of file
+service ran and any components deployed after bootstrap.
+
+To undeploy the DCAE services deployed via Helm (the hv-ves-collector, ves-collector, tcagen2,
+and prh), use the ``helm undeploy`` command against the `top_level_release_name`-``dcaegen2-services``
+Helm sub-release. \ No newline at end of file