Adding all releng octopus and pharos docs.

Please argue and remove as needed in the review.

Change-Id: Ia376d8be14c56f6a2fae3cd753ea53b869e5f784
Signed-off-by: agardner <agardner@linuxfoundation.org>

1 files changed, 53 insertions, 0 deletions

diff --git a/docs/scenario-lifecycle/generic-scenarios.rst b/docs/scenario-lifecycle/generic-scenarios.rst
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+.. This work is licensed under a Creative Commons Attribution 4.0 International License.
+.. http://creativecommons.org/licenses/by/4.0
+.. (c) 2017 OPNFV Ulrich Kleber (Huawei)
+
+
+Generic Scenarios
+------------------
+
+Generic scenarios provide a stable environment for users who want to base their
+products on them.
+
+* Generic scenarios provide a basic combination of upstream components together
+  with the superset of possible mature features that can be deployed on them.
+* Generic scenarios should be supported by all installers.
+* All generic scenarios in a release should have the same common major versions
+  of the included upstream components.
+  These upstream versions can then be seen as the upstream versions for the
+  release. E.g. that way we can say: “OPNFV xxx contains OpenStack abc,
+  ODL def, ONOS ghi, OVS jkl“.
+  But most installers cannot directly reference any
+  upstream version. This may lead to minor differences.
+  Nevertheless features and test cases require all installers using the same
+  major versions.
+* Generic scenarios should use stable sources
+  and lock the versions before the release by either pointing to a tag or sha1.
+  According to the LF badging program it should be possible to reproduce
+  the release from source again.
+  Thus the upstream repos should be in safe locations.
+  Also only tagged source versions should be used for the release, so the
+  release can be reproduced identically for different purposes such as
+  reproducing a baug reported by users and issuing the fix appropriately,
+  even after the upstream project has applied patches.
+  .. Editors note: There is discussion ongoing in INFRA and SEC working groups how
+  .. to realize this. Thus the description is still a bit vague. Details will be
+  .. added later either here or in some INFRA document.
+* Generic scenarios should be stable and mature. Therefore they will be tested more
+  thoroughly and run special release testing so a high level of stability can be
+  provided.
+* Generic scenarios will live through many OPNFV releases.
+* More resources will be allocated to maintaining generic scenarios and they will
+  have priority for CI resources.
+  .. Editors note: Discussion ongoing in INFRA about toolchain issues.
+
+Note: in some cases it might be difficult for an installer to support all generic
+scenarios immediately. In this case an exception can be defined, but the installer
+has to provide a plan how to achieve support for all generic scenarios.
+
+Note: in some cases, upstream projects don‘t have proper CI process with
+tagged stable versions. Also some installers‘ way of working doesn‘t allow
+selecting the repo and tag. Thus a stepwise approach will be necessary to
+fulfill this requirement.
+
+