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CDAP
======================
-Overview of my blueprint and the part it plays in DCAE.
+Note: This blueprint is intended to be deployed, automatically, as part of the
+DCAE bootstrap process, and is not normally invoked manually.
-Blueprint files
-----------------------
+The ONAP DCAEGEN2 CDAP blueprint deploys a 7 node Cask Data Application
+Platform (CDAP) cluster (version 4.1.x), for running data analysis
+applications. The template for the blueprint is at
+``blueprints/cdapbp7.yaml-template`` in the ONAP
+``dcaegen2.platform.blueprints`` project. The ``02`` VM in the cluster
+will be the CDAP master.
-List where we can find the blueprints
-
-Parameters
+Blueprint Input Parameters
---------------------
-The input parameters needed for running the blueprint
+This blueprint has the following required input parameters:
-How To Run
----------------------
+* ``ubuntu1604image_id``
-Cfy command for running the blueprint
+ This is the OpenStack image ID of the Ubuntu 16.04 VM image that will be
+ used to launch the 7 VMs making up the cluster.
-Additional Information
----------------------
-Any additional information that help other people understanding and using yor blueprint
+* ``flavor_id``
+
+ This is the OpenStack flavor ID specifying the amount of memory, disk, and
+ CPU available to each VM in the cluster. While the required values will be
+ largely application dependent, a minimum of 32 Gigabytes of memory is
+ strongly recommended.
+
+* ``security_group``
+
+ This is the OpenStack security group specifying permitted inbound and
+ outbound IP connectivity to the VMs in the cluster.
+
+* ``public_net``
+
+ This is the name of the OpenStack network from which floating IP addresses
+ for the VMs in the cluster will be allocated.
+
+* ``private_net``
+
+ This is the name of the OpenStack network from which fixed IP addresses for
+ the VMs in the cluster will be allocated.
+
+* ``openstack``
+
+ This is the JSON object / YAML associative array providing values necessary
+ for accessing OpenStack. The keys are:
+
+ * ``auth_url``
+
+ The URL for accessing the OpenStack Identity V2 API. (The version of
+ Cloudify currently being used, and the associated OpenStack plugin do
+ not currently support Identity V3).
+
+ * ``tenant_name``
+
+ The name of the OpenStack tenant/project where the VMs will be launched.
+
+ * ``region``
+
+ The name of the OpenStack region within the deployment. In smaller
+ OpenStack deployments, where there is only one region, the region is
+ often named ``RegionOne``.
+
+ * ``username``
+
+ The name of the OpenStack user used as a credential for accessing
+ OpenStack.
+
+ * ``password``
+
+ The password of the OpenStack user. (The version of Cloudify currently
+ being used does not provide a mechanism for encrypting this value).
+
+* ``keypair``
+
+ The name of the ssh "key pair", within OpenStack, that will be given access,
+ via the ubuntu login, to the VMs. Note: OpenStack actually stores only the
+ public key.
+
+* ``key_filename``
+
+ The full file path, on the Cloudify Manager VM used to deploy this blueprint,
+ of the ssh private key file corresponding to the ``keypair`` input parameter.
+
+* ``location_domain``
+
+ The DNS domain/zone for DNS entries associated with the VMs in the cluster.
+ If, for example, location_domain is ``dcae.example.com`` then the FQDN for
+ a VM with hostname ``abcd`` would be ``abcd.dcae.example.com`` and a DNS
+ lookup of that FQDN would lead an A (or AAAA) record giving the floating
+ IP address assigned to that VM.
+
+* ``location_prefix``
+
+ The hostname prefix for hostnames of VMs in the cluster. The hostnames
+ assigned to the VMs are created by concatenating this prefix with a suffix
+ identifying the individual VMs in the cluster (``cdap00``, ``cdap01``, ...,
+ ``cdap06``). If the location prefix is ``jupiter`` then the hostname of
+ the CDAP master in the cluster would be ``jupitercdap02``.
+
+* ``codesource_url`` and ``codesource_version``
+
+ ``codesource_url`` is the base URL for downloading DCAE specific project
+ installation scripts. The intent is that this URL may be environment
+ dependent, (for example it may, for security reasons, point to an internal
+ mirror). This is used in combination with the ``codesource_version`` input
+ parameter to determine the URL for downloading the scripts. There are 2
+ scripts used by this blueprint - ``cdap-init.sh`` and
+ ``instconsulagentub16.sh`` These scripts are part of the
+ dcaegen2.deployments ONAP project. This blueprint assumes that curl/wget
+ can find these scripts at
+ *codesource_url/codesource_version*\ ``/raw/cloud_init/cdap-init.sh`` and
+ *codesource_url/codesource_version*\ ``/raw/cloud_init/instconsulagentub16.sh``
+ respectively. For example, if codesource_url is
+ ``https://mymirror.example.com`` and codesource_version is ``rel1.0``,
+ then the installation scripts would be expected to be stored under
+ ``https://mymirror.example.com/rel1.0/raw/cloud_init/``
+
+This blueprint has the following optional inputs:
+
+* ``location_id`` (default ``solutioning-central``)
+
+ The name of the Consul cluster to register this CDAP cluster with.
+
+* ``cdap_cluster_name`` (default ``cdap``)
+
+ The name of the service to register this cluster as, in Consul.