[DOC] Fix some doc8 issues

- move doc8 dependency from docs/requirements-docs.txt to tox.ini
  since it is not needed by other tox profiles
- disable doc8 tox profile voting since linelength issues are not
  completely fixed yet
- fix a few linelength issues

Issue-ID: DOC-765

Signed-off-by: guillaume.lambert <guillaume.lambert@orange.com>
Change-Id: I704fc2ee8087ffbb8a83d693f6dc5a5f7c992b10

6 files changed, 35 insertions, 28 deletions

diff --git a/docs/oom_cloud_setup_guide.rst b/docs/oom_cloud_setup_guide.rst
index 033ba43fe4..adebcba487 100644
--- a/docs/oom_cloud_setup_guide.rst
+++ b/docs/oom_cloud_setup_guide.rst
@@ -80,10 +80,11 @@ components that are needed will drastically reduce the requirements.
   =====  =====  ======  ====================
 
 .. note::
-  Kubernetes supports a maximum of 110 pods per node - configurable in the --max-pods=n setting off the
-  "additional kubelet flags" box in the kubernetes template window described in 'ONAP Development - 110 pod limit Wiki'
-  - this limit does not need to be modified . The use of many small
-  nodes is preferred over a few larger nodes (for example 14x16GB - 8 vCores each).
+  Kubernetes supports a maximum of 110 pods per node - configurable in the
+  --max-pods=n setting off the "additional kubelet flags" box in the kubernetes
+  template window described in 'ONAP Development - 110 pod limit Wiki'
+  - this limit does not need to be modified . The use of many small nodes is
+  preferred over a few larger nodes (for example 14x16GB - 8 vCores each).
   Subsets of ONAP may still be deployed on a single node.
 
 Cloud Installation
diff --git a/docs/oom_developer_guide.rst b/docs/oom_developer_guide.rst
index 3d8cdb1128..552aea25a7 100644
--- a/docs/oom_developer_guide.rst
+++ b/docs/oom_developer_guide.rst
@@ -126,9 +126,10 @@ The top level of the ONAP charts is shown below:
       └── configs
 
 The common section of charts consists of a set of templates that assist with
-parameter substitution (`_name.tpl`, `_namespace.tpl` and others) and a set of charts
-for components used throughout ONAP.  When the common components are used by other charts they
-are instantiated each time or we can deploy a shared instances for several components.
+parameter substitution (`_name.tpl`, `_namespace.tpl` and others) and a set of
+charts for components used throughout ONAP.  When the common components are used
+by other charts they are instantiated each time or we can deploy a shared
+instances for several components.
 
 All of the ONAP components have charts that follow the pattern shown below:
 
diff --git a/docs/oom_quickstart_guide.rst b/docs/oom_quickstart_guide.rst
index d573c94bb0..67b5794b83 100644
--- a/docs/oom_quickstart_guide.rst
+++ b/docs/oom_quickstart_guide.rst
@@ -50,8 +50,8 @@ an override file like `onap-all.yaml`, `onap-vfw.yaml` or `openstack.yaml` file
 to suit your deployment with items like the OpenStack tenant information.
 
 .. note::
-  Standard and example override files (e.g. `onap-all.yaml`, `openstack.yaml`) can be found in
-  the `oom/kubernetes/onap/resources/overrides/` directory.
+  Standard and example override files (e.g. `onap-all.yaml`, `openstack.yaml`)
+  can be found in the `oom/kubernetes/onap/resources/overrides/` directory.
 
 
  a. You may want to selectively enable or disable ONAP components by changing
@@ -62,14 +62,15 @@ to suit your deployment with items like the OpenStack tenant information.
     the Robot Helm charts or Robot section of `openstack.yaml`
 
 
- c. Encrypt the OpenStack password using the java based script for SO Helm charts
-    or SO section of `openstack.yaml`.
+ c. Encrypt the OpenStack password using the java based script for SO Helm
+    charts or SO section of `openstack.yaml`.
 
 
  d. Update the OpenStack parameters that will be used by Robot, SO and APPC Helm
     charts or use an override file to replace them.
 
- e. Add in the command line a value for the global master password (global.masterPassword).
+ e. Add in the command line a value for the global master password
+    (global.masterPassword).
 
 
 
@@ -245,9 +246,11 @@ for use::
   > kubectl get pods -n onap -o=wide
 
 .. note::
-  While all pods may be in a Running state, it is not a guarantee that all components are running fine.
+  While all pods may be in a Running state, it is not a guarantee that all
+  components are running fine.
 
-  Launch the healthcheck tests using Robot to verify that the components are healthy::
+  Launch the healthcheck tests using Robot to verify that the components are
+  healthy::
 
     > ~/oom/kubernetes/robot/ete-k8s.sh onap health
 
@@ -256,4 +259,5 @@ for use::
 
   > helm undeploy dev
 
-More examples of using the deploy and undeploy plugins can be found here: https://wiki.onap.org/display/DW/OOM+Helm+%28un%29Deploy+plugins
+More examples of using the deploy and undeploy plugins can be found here:
+https://wiki.onap.org/display/DW/OOM+Helm+%28un%29Deploy+plugins
diff --git a/docs/oom_setup_kubernetes_rancher.rst b/docs/oom_setup_kubernetes_rancher.rst
index eea46c0e51..e002d38897 100644
--- a/docs/oom_setup_kubernetes_rancher.rst
+++ b/docs/oom_setup_kubernetes_rancher.rst
@@ -276,7 +276,8 @@ Download and install RKE on a VM, desktop or laptop.
 Binaries can be found here for Linux and Mac: https://github.com/rancher/rke/releases/tag/v1.0.6
 
 .. note::
-  There are several ways to install RKE. Further parts of this documentation assumes that you have rke command available.
+  There are several ways to install RKE. Further parts of this documentation
+  assumes that you have rke command available.
   If you don't know how to install RKE you may follow the below steps:
 
   * chmod +x ./rke_linux-amd64
diff --git a/docs/oom_user_guide.rst b/docs/oom_user_guide.rst
index 3a707e25ea..5f63c7d1a2 100644
--- a/docs/oom_user_guide.rst
+++ b/docs/oom_user_guide.rst
@@ -444,23 +444,24 @@ the portal and then simply access now the new ssl-encrypted URL:
 
    | 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.
+   -  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.
+      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.
 
    Observations:
 
-   -  If you are not using floating IPs in your Kubernetes deployment and directly attaching
-      a public IP address (i.e. by using your public provider network) to your K8S Node
-      VMs' network interface, then the output of 'kubectl -n onap get services | grep "portal-app"'
+   -  If you are not using floating IPs in your Kubernetes deployment and
+      directly attaching a public IP address (i.e. by using your public provider
+      network) to your K8S Node VMs' network interface, then the output of
+      'kubectl -n onap get services | grep "portal-app"'
       will show your public IP instead of the private network's IP. Therefore,
-      you can grab this public IP directly (as compared to trying to find the floating
-      IP first) and map this IP in /etc/hosts.
+      you can grab this public IP directly (as compared to trying to find the
+      floating IP first) and map this IP in /etc/hosts.
 
 .. figure:: oomLogoV2-Monitor.png
    :align: right
diff --git a/docs/requirements-docs.txt b/docs/requirements-docs.txt
index 1c1895acf6..342ae58a58 100644
--- a/docs/requirements-docs.txt
+++ b/docs/requirements-docs.txt
@@ -1,6 +1,5 @@
 tox
 Sphinx
-doc8
 docutils
 setuptools
 six