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Diffstat (limited to 'docs/oom_user_guide.rst')
| -rw-r--r-- | docs/oom_user_guide.rst | 68 |
1 files changed, 61 insertions, 7 deletions
diff --git a/docs/oom_user_guide.rst b/docs/oom_user_guide.rst index 6b0c00e25a..f79de5950f 100644 --- a/docs/oom_user_guide.rst +++ b/docs/oom_user_guide.rst @@ -10,7 +10,7 @@ .. _Helm Documentation: https://docs.helm.sh/helm/ .. _Helm: https://docs.helm.sh/ .. _Kubernetes: https://Kubernetes.io/ - +.. _Kubernetes LoadBalancer: https://kubernetes.io/docs/concepts/services-networking/service/#type-loadbalancer .. _user-guide-label: OOM User Guide @@ -75,8 +75,8 @@ Install Helm ~~~~~~~~~~~~ Helm is used by OOM for package and configuration management. To install Helm, enter the following:: - > wget http://storage.googleapis.com/kubernetes-helm/helm-v2.7.2-linux-amd64.tar.gz - > tar -zxvf helm-v2.7.2-linux-amd64.tar.gz + > wget http://storage.googleapis.com/kubernetes-helm/helm-v2.8.2-linux-amd64.tar.gz + > tar -zxvf helm-v2.8.2-linux-amd64.tar.gz > sudo mv linux-amd64/helm /usr/local/bin/helm Verify the Helm version with:: @@ -108,7 +108,7 @@ stable which should be removed to avoid confusion:: To prepare your system for an installation of ONAP, you'll need to:: - > git clone http://gerrit.onap.org/r/oom + > git clone -b beijing http://gerrit.onap.org/r/oom > cd oom/kubernetes @@ -196,7 +196,7 @@ Many technologies are used across the projects resulting in significant operational complexity and an inability to apply global parameters across the entire ONAP deployment. OOM solves this problem by introducing a common configuration technology, Helm charts, that provide a hierarchical -configuration configuration with the ability to override values with higher +configuration with the ability to override values with higher level charts or command line options. The structure of the configuration of ONAP is shown in the following diagram. @@ -348,6 +348,60 @@ can be modified, for example the `so`'s `liveness` probe could be disabled <...> +Accessing the ONAP Portal using OOM and a Kubernetes Cluster +------------------------------------------------------------ + +The ONAP deployment created by OOM operates in a private IP network that isn't +publicly accessible (i.e. Openstack VMs with private internal network) which +blocks access to the ONAP Portal. To enable direct access to this Portal from a +user's own environment (a laptop etc.) the portal application's port 8989 is +exposed through a `Kubernetes LoadBalancer`_ object. + +Typically, to be able to access the Kubernetes nodes publicly a public address is +assigned. In Openstack this is a floating IP address. + +When the `portal-app` chart is deployed a Kubernetes service is created that +instantiates a load balancer. The LB chooses the private interface of one of +the nodes as in the example below (10.0.0.4 is private to the K8s cluster only). +Then to be able to access the portal on port 8989 from outside the K8s & +Openstack environment, the user needs to assign/get the floating IP address that +corresponds to the private IP as follows:: + + > kubectl -n onap get services|grep "portal-app" + portal-app LoadBalancer 10.43.142.201 10.0.0.4 8989:30215/TCP,8006:30213/TCP,8010:30214/TCP 1d app=portal-app,release=dev + + +In this example, use the 10.0.0.4 private address as a key find the +corresponding public address which in this example is 10.12.6.155. If you're +using OpenStack you'll do the lookup with the horizon GUI or the Openstack CLI +for your tenant (openstack server list). That IP is then used in your +`/etc/hosts` to map the fixed DNS aliases required by the ONAP Portal as shown +below:: + + 10.12.6.155 portal.api.simpledemo.onap.org + 10.12.6.155 vid.api.simpledemo.onap.org + 10.12.6.155 sdc.api.fe.simpledemo.onap.org + 10.12.6.155 portal-sdk.simpledemo.onap.org + 10.12.6.155 policy.api.simpledemo.onap.org + 10.12.6.155 aai.api.sparky.simpledemo.onap.org + 10.12.6.155 cli.api.simpledemo.onap.org + 10.12.6.155 msb.api.discovery.simpledemo.onap.org + +Ensure you've disabled any proxy settings the browser you are using to access +the portal and then simply access the familiar URL: +http://portal.api.simpledemo.onap.org:8989/ONAPPORTAL/login.htm + +.. note:: Alternatives Considered. + + Kubernetes port forwarding was considered but discarded as it would require + the end user to run a script that opens up port forwarding tunnels to each of + the pods that provides a portal application widget. + + Reverting to a VNC server similar to what was deployed in the Amsterdam + release was also considered but there were many issues with resolution, lack + of volume mount, /etc/hosts dynamic update, file upload that were a tall order + to solve in time for the Beijing release. + .. figure:: oomLogoV2-Monitor.png :align: right @@ -366,10 +420,10 @@ to monitor the real-time health of an ONAP deployment: - a set of liveness probes which feed into the Kubernetes manager which are described in the Heal section. -Within ONAP Consul is the monitoring system of choice and deployed by OOM in two parts: +Within ONAP, Consul is the monitoring system of choice and deployed by OOM in two parts: - a three-way, centralized Consul server cluster is deployed as a highly - available monitor of all of the ONAP components,and + available monitor of all of the ONAP components, and - a number of Consul agents. The Consul server provides a user interface that allows a user to graphically |