fix type of keywords entry in frontmatter (in /machine/) (docker#556)

keywords should be a string, not an array containing one string

Signed-off-by: Gaetan de Villele <[email protected]>

Author: gdevillele

index.md

@@ -1,9 +1,8 @@
 ---
 description: Home page for Docker's documentation
-keywords:
-- Docker, documentation, manual, guide, reference, api
-title: Welcome to the Docs
+keywords: Docker, documentation, manual, guide, reference, api
 layout: docs
+title: Welcome to the Docs
 ---
 
 {% include content/docker_elevator_pitch.md %}
@@ -140,4 +139,4 @@ layout: docs
 	</div>
 </li>
 </ul>
-</section>
+</section>

machine/DRIVER_SPEC.md

@@ -1,8 +1,7 @@
 ---
 description: machine
+keywords: machine, orchestration, install, installation, docker, documentation
 published: false
-keywords:
-- machine, orchestration, install, installation, docker, documentation
 title: Machine driver specification v1
 ---
 
@@ -141,4 +140,4 @@ a `GetCreateFlags` func.  For example:
 ## Examples
 
 You can reference the existing [Drivers](https://github.com/docker/machine/tree/master/drivers)
-as well.
+as well.

machine/completion.md

@@ -1,7 +1,6 @@
 ---
 description: Install Machine command-line completion
-keywords:
-- machine, docker, orchestration, cli,  reference
+keywords: machine, docker, orchestration, cli,  reference
 title: Command-line completion
 ---
 
@@ -49,4 +48,4 @@ Then reload your shell
 ## Available completions
 
 **TODO**
-<![end-metadata]-->
+<![end-metadata]-->

machine/concepts.md

@@ -1,7 +1,6 @@
 ---
 description: Understand concepts for Docker Machine, including drivers, base OS, IP addresses, environment variables
-keywords:
-- docker, machine, amazonec2, azure, digitalocean, google, openstack, rackspace, softlayer, virtualbox, vmwarefusion, vmwarevcloudair, vmwarevsphere, exoscale
+keywords: docker, machine, amazonec2, azure, digitalocean, google, openstack, rackspace, softlayer, virtualbox, vmwarefusion, vmwarevcloudair, vmwarevsphere, exoscale
 title: Machine concepts and getting help
 ---
 
@@ -94,4 +93,4 @@ For more information and resources, please visit
 -   Create and run a Docker host on your [local system using VirtualBox](get-started.md)
 -   Provision multiple Docker hosts [on your cloud provider](get-started-cloud.md)
 -   <a href="../drivers/" target="_blank">Docker Machine driver reference</a>
--   <a href="../reference/" target="_blank">Docker Machine subcommand reference</a>
+-   <a href="../reference/" target="_blank">Docker Machine subcommand reference</a>

machine/drivers/aws.md

@@ -1,7 +1,6 @@
 ---
 description: Amazon Web Services driver for machine
-keywords:
-- machine, Amazon Web Services, driver
+keywords: machine, Amazon Web Services, driver
 title: Amazon Web Services
 ---
 
@@ -160,4 +159,4 @@ The default SSH username for the default AMIs is `ubuntu`.
 
 You need to change the SSH username only if the custom AMI you use has a different SSH username.
 
-You can change the SSH username with the `--amazonec2-ssh-user` according to the AMI you selected with the `--amazonec2-ami`.
+You can change the SSH username with the `--amazonec2-ssh-user` according to the AMI you selected with the `--amazonec2-ami`.

machine/drivers/azure.md

@@ -1,7 +1,6 @@
 ---
 description: Microsoft Azure driver for machine
-keywords:
-- machine, Microsoft Azure, driver
+keywords: machine, Microsoft Azure, driver
 title: Microsoft Azure
 ---
 
@@ -117,4 +116,4 @@ rules and open ports of the machine from the [Azure Portal][portal].
 
 [arm]:    https://azure.microsoft.com/en-us/documentation/articles/resource-group-overview/
 [nsg]:    https://azure.microsoft.com/en-us/documentation/articles/virtual-networks-nsg/
-[portal]: https://portal.azure.com/
+[portal]: https://portal.azure.com/

machine/drivers/digital-ocean.md

@@ -1,7 +1,6 @@
 ---
 description: Digital Ocean driver for machine
-keywords:
-- machine, Digital Ocean, driver
+keywords: machine, Digital Ocean, driver
 title: Digital Ocean
 ---
 
@@ -44,4 +43,4 @@ The DigitalOcean driver will use `ubuntu-15-10-x64` as the default image.
 | `--digitalocean-userdata`           | `DIGITALOCEAN_USERDATA`           | -                  |
 | `--digitalocean-ssh-user`           | `DIGITALOCEAN_SSH_USER`           | `root`             |
 | `--digitalocean-ssh-port`           | `DIGITALOCEAN_SSH_PORT`           | 22                 |
-| `--digitalocean-ssh-key-fingerprint`| `DIGITALOCEAN_SSH_KEY_FINGERPRINT`| -                  |
+| `--digitalocean-ssh-key-fingerprint`| `DIGITALOCEAN_SSH_KEY_FINGERPRINT`| -                  |

machine/drivers/exoscale.md

@@ -1,7 +1,6 @@
 ---
 description: Exoscale driver for machine
-keywords:
-- machine, exoscale, driver
+keywords: machine, exoscale, driver
 title: Exoscale
 ---
 
@@ -45,4 +44,4 @@ There is a limit to the number of docker machines that an anti-affinity group ca
 | `--exoscale-availability-zone`  | `EXOSCALE_AVAILABILITY_ZONE` | `ch-dk-2`                         |
 | `--exoscale-ssh-user`           | `EXOSCALE_SSH_USER`          | `ubuntu`                          |
 | `--exoscale-userdata`           | `EXOSCALE_USERDATA`          | -                                 |
-| `--exoscale-affinity-group`     | `EXOSCALE_AFFINITY_GROUP`    | `docker-machine`                  |
+| `--exoscale-affinity-group`     | `EXOSCALE_AFFINITY_GROUP`    | `docker-machine`                  |

machine/drivers/gce.md

@@ -1,7 +1,6 @@
 ---
 description: Google Compute Engine driver for machine
-keywords:
-- machine, Google Compute Engine, driver
+keywords: machine, Google Compute Engine, driver
 title: Google Compute Engine
 ---
 
@@ -69,4 +68,4 @@ list of image URLs run:
 | `--google-preemptible`     | `GOOGLE_PREEMPTIBLE`     | -                                    |
 | `--google-tags`            | `GOOGLE_TAGS`            | -                                    |
 | `--google-use-internal-ip` | `GOOGLE_USE_INTERNAL_IP` | -                                    |
-| `--google-use-existing`    | `GOOGLE_USE_EXISTING`    | -                                    |
+| `--google-use-existing`    | `GOOGLE_USE_EXISTING`    | -                                    |

machine/drivers/generic.md

@@ -1,7 +1,6 @@
 ---
 description: Generic driver for machine
-keywords:
-- machine, Generic, driver
+keywords: machine, Generic, driver
 title: Generic
 ---
 
@@ -57,4 +56,4 @@ as a sudoer with `NOPASSWD`. See https://help.ubuntu.com/community/Sudoers.
 | **`--generic-ip-address`** | `GENERIC_IP_ADDRESS` | -                         |
 | `--generic-ssh-key`        | `GENERIC_SSH_KEY`    | -                         |
 | `--generic-ssh-user`       | `GENERIC_SSH_USER`   | `root`                    |
-| `--generic-ssh-port`       | `GENERIC_SSH_PORT`   | `22`                      |
+| `--generic-ssh-port`       | `GENERIC_SSH_PORT`   | `22`                      |

machine/drivers/hyper-v.md

@@ -1,7 +1,6 @@
 ---
 description: Microsoft Hyper-V driver for machine
-keywords:
-- machine, Microsoft Hyper-V, driver
+keywords: machine, Microsoft Hyper-V, driver
 title: Microsoft Hyper-V
 ---
 
@@ -131,4 +130,4 @@ you can create these swarm nodes: `manager1`, `worker1`, `worker2`.
     ```shell
     docker-machine create -d hyperv --hyperv-virtual-switch "Primary Virtual Switch" worker1
     docker-machine create -d hyperv --hyperv-virtual-switch "Primary Virtual Switch" worker2
-    ```
+    ```

machine/drivers/index.md

@@ -1,7 +1,6 @@
 ---
 description: Reference for drivers Docker Machine supports
-keywords:
-- machine, drivers, supports
+keywords: machine, drivers, supports
 title: Drivers
 ---
 
@@ -18,4 +17,4 @@ title: Drivers
 -   [Oracle VirtualBox](virtualbox.md)
 -   [VMware vCloud Air](vm-cloud.md)
 -   [VMware Fusion](vm-fusion.md)
--   [VMware vSphere](vsphere.md)
+-   [VMware vSphere](vsphere.md)

machine/drivers/openstack.md

@@ -1,7 +1,6 @@
 ---
 description: OpenStack driver for machine
-keywords:
-- machine, OpenStack, driver
+keywords: machine, OpenStack, driver
 title: OpenStack
 ---
 
@@ -69,4 +68,4 @@ Mandatory:
 | `--openstack-ssh-user`          | `OS_SSH_USER`          | `root`      |
 | `--openstack-tenant-id`         | `OS_TENANT_ID`         | -           |
 | `--openstack-tenant-name`       | `OS_TENANT_NAME`       | -           |
-| `--openstack-username`          | `OS_USERNAME`          | -           |
+| `--openstack-username`          | `OS_USERNAME`          | -           |

machine/drivers/os-base.md

@@ -1,7 +1,6 @@
 ---
 description: Identify active machines
-keywords:
-- machine, driver, base, operating system
+keywords: machine, driver, base, operating system
 title: Driver options and operating system defaults
 ---
 
@@ -48,4 +47,4 @@ provider's image flag and one of its available images. For example, to select a
 If you change the base image for a provider, you may also need to change
 the SSH user. For example, the default Red Hat AMI on EC2 expects the
 SSH user to be `ec2-user`, so you would have to specify this with
-`--amazonec2-ssh-user ec2-user`.
+`--amazonec2-ssh-user ec2-user`.

machine/drivers/rackspace.md

@@ -1,7 +1,6 @@
 ---
 description: Rackspace driver for machine
-keywords:
-- machine, Rackspace, driver
+keywords: machine, Rackspace, driver
 title: Rackspace
 ---
 
@@ -37,4 +36,4 @@ The Rackspace driver will use `59a3fadd-93e7-4674-886a-64883e17115f` (Ubuntu 15.
 | `--rackspace-flavor-id`      | `OS_FLAVOR_ID`       | `general1-1`                           |
 | `--rackspace-ssh-user`       | -                    | `root`                                 |
 | `--rackspace-ssh-port`       | -                    | `22`                                   |
-| `--rackspace-docker-install` | -                    | `true`                                 |
+| `--rackspace-docker-install` | -                    | `true`                                 |

machine/drivers/soft-layer.md

@@ -1,7 +1,6 @@
 ---
 description: IBM Softlayer driver for machine
-keywords:
-- machine, IBM Softlayer, driver
+keywords: machine, IBM Softlayer, driver
 title: IBM Softlayer
 ---
 
@@ -52,4 +51,4 @@ The SoftLayer driver will use `UBUNTU_LATEST` as the image type by default.
 | `--softlayer-private-net-only` | `SOFTLAYER_PRIVATE_NET`     | `false`                     |
 | `--softlayer-image`            | `SOFTLAYER_IMAGE`           | `UBUNTU_LATEST`             |
 | `--softlayer-public-vlan-id`   | `SOFTLAYER_PUBLIC_VLAN_ID`  | `0`                         |
-| `--softlayer-private-vlan-id`  | `SOFTLAYER_PRIVATE_VLAN_ID` | `0`                         |
+| `--softlayer-private-vlan-id`  | `SOFTLAYER_PRIVATE_VLAN_ID` | `0`                         |

machine/drivers/virtualbox.md

@@ -1,7 +1,6 @@
 ---
 description: Oracle VirtualBox driver for machine
-keywords:
-- machine, Oracle VirtualBox, driver
+keywords: machine, Oracle VirtualBox, driver
 title: Oracle VirtualBox
 ---
 
@@ -90,4 +89,4 @@ contents.
 
 This will often cause problems when using a web server such as nginx to serve
 static files from a shared volume. For development environments, a good
-workaround is to disable sendfile in your server configuration.
+workaround is to disable sendfile in your server configuration.

machine/drivers/vm-cloud.md

@@ -1,7 +1,6 @@
 ---
 description: VMware vCloud Air driver for machine
-keywords:
-- machine, VMware vCloud Air, driver
+keywords: machine, VMware vCloud Air, driver
 title: VMware vCloud Air
 ---
 
@@ -47,4 +46,4 @@ The VMware vCloud Air driver will use the `Ubuntu Server 12.04 LTS (amd64 201409
 | `--vmwarevcloudair-cpu-count`     | `VCLOUDAIR_CPU_COUNT`     | `1`                                        |
 | `--vmwarevcloudair-memory-size`   | `VCLOUDAIR_MEMORY_SIZE`   | `2048`                                     |
 | `--vmwarevcloudair-ssh-port`      | `VCLOUDAIR_SSH_PORT`      | `22`                                       |
-| `--vmwarevcloudair-docker-port`   | `VCLOUDAIR_DOCKER_PORT`   | `2376`                                     |
+| `--vmwarevcloudair-docker-port`   | `VCLOUDAIR_DOCKER_PORT`   | `2376`                                     |

machine/drivers/vm-fusion.md

@@ -1,7 +1,6 @@
 ---
 description: VMware Fusion driver for machine
-keywords:
-- machine, VMware Fusion, driver
+keywords: machine, VMware Fusion, driver
 title: VMware Fusion
 ---
 
@@ -30,4 +29,4 @@ See [frapposelli/boot2docker](https://github.com/frapposelli/boot2docker/tree/vm
 | `--vmwarefusion-cpu-count`       | `FUSION_CPU_COUNT`       | `1`                      |
 | `--vmwarefusion-disk-size`       | `FUSION_DISK_SIZE`       | `20000`                  |
 | `--vmwarefusion-memory-size`     | `FUSION_MEMORY_SIZE`     | `1024`                   |
-| `--vmwarefusion-no-share`        | `FUSION_NO_SHARE`        | `false`                  |
+| `--vmwarefusion-no-share`        | `FUSION_NO_SHARE`        | `false`                  |

machine/drivers/vsphere.md

@@ -1,7 +1,6 @@
 ---
 description: VMware vSphere driver for machine
-keywords:
-- machine, VMware vSphere, driver
+keywords: machine, VMware vSphere, driver
 title: VMware vSphere
 ---
 
@@ -45,4 +44,4 @@ The VMware vSphere driver uses the latest boot2docker image.
 | `--vmwarevsphere-datastore`       | `VSPHERE_DATASTORE`       | -                        |
 | `--vmwarevsphere-datacenter`      | `VSPHERE_DATACENTER`      | -                        |
 | `--vmwarevsphere-pool`            | `VSPHERE_POOL`            | -                        |
-| `--vmwarevsphere-hostsystem`      | `VSPHERE_HOSTSYSTEM`      | -                        |
+| `--vmwarevsphere-hostsystem`      | `VSPHERE_HOSTSYSTEM`      | -                        |

machine/examples/aws.md

@@ -1,7 +1,6 @@
 ---
 description: Using Docker Machine to provision hosts on AWS
-keywords:
-- docker, machine, cloud, aws
+keywords: docker, machine, cloud, aws
 title: Amazon Web Services (AWS) EC2 example
 ---
 
@@ -123,4 +122,4 @@ To remove an instance and all of its containers and images, first stop the machi
 -   [Understand Machine concepts](../concepts.md)
 -   [Docker Machine driver reference](../drivers/index.md)
 -   [Docker Machine subcommand reference](../reference/index.md)
--   [Provision a Docker Swarm cluster with Docker Machine](/swarm/provision-with-machine.md)
+-   [Provision a Docker Swarm cluster with Docker Machine](/swarm/provision-with-machine.md)

machine/examples/index.md

@@ -1,9 +1,8 @@
 ---
 description: Examples of cloud installs
-keywords:
-- docker, machine, amazonec2, azure, digitalocean, google, openstack, rackspace, softlayer, virtualbox, vmwarefusion, vmwarevcloudair, vmwarevsphere, exoscale
+keywords: docker, machine, amazonec2, azure, digitalocean, google, openstack, rackspace, softlayer, virtualbox, vmwarefusion, vmwarevcloudair, vmwarevsphere, exoscale
 title: Learn by example
 ---
 
 -   [Digital Ocean Example](ocean.md)
--   [AWS Example](aws.md)
+-   [AWS Example](aws.md)

machine/examples/ocean.md

@@ -1,7 +1,6 @@
 ---
 description: Using Docker Machine to provision hosts on Digital Ocean
-keywords:
-- docker, machine, cloud, digital ocean
+keywords: docker, machine, cloud, digital ocean
 title: Digital Ocean example
 ---
 
@@ -137,4 +136,4 @@ If you create a host with Docker Machine, but remove it through the cloud provid
 -   [Understand Machine concepts](../concepts.md)
 -   [Docker Machine driver reference](../drivers/index.md)
 -   [Docker Machine subcommand reference](../reference/index.md)
--   [Provision a Docker Swarm cluster with Docker Machine](/swarm/provision-with-machine.md)
+-   [Provision a Docker Swarm cluster with Docker Machine](/swarm/provision-with-machine.md)

machine/get-started-cloud.md

@@ -1,7 +1,6 @@
 ---
 description: Using Docker Machine to provision hosts on cloud providers
-keywords:
-- docker, machine, amazonec2, azure, digitalocean, google, openstack, rackspace, softlayer, virtualbox, vmwarefusion, vmwarevcloudair, vmwarevsphere, exoscale
+keywords: docker, machine, amazonec2, azure, digitalocean, google, openstack, rackspace, softlayer, virtualbox, vmwarefusion, vmwarevcloudair, vmwarevsphere, exoscale
 title: Use Docker Machine to provision hosts on cloud providers
 ---
 
@@ -78,4 +77,4 @@ Docker Machine can also provision <a href="https://docs.docker.com/swarm/overvie
 -   [Understand Machine concepts](concepts.md)
 -   [Docker Machine driver reference](drivers/index.md)
 -   [Docker Machine subcommand reference](reference/index.md)
--   [Provision a Docker Swarm cluster with Docker Machine](/swarm/provision-with-machine.md)
+-   [Provision a Docker Swarm cluster with Docker Machine](/swarm/provision-with-machine.md)