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312 lines
9.2 KiB
Markdown
312 lines
9.2 KiB
Markdown
---
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title: "Swift"
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description: "Swift"
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date: "2014-04-26"
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---
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<i class="fa fa-space-shuttle"></i>Swift
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----------------------------------------
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Swift refers to [Openstack Object Storage](https://docs.openstack.org/swift/latest/).
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Commercial implementations of that being:
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* [Rackspace Cloud Files](https://www.rackspace.com/cloud/files/)
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* [Memset Memstore](https://www.memset.com/cloud/storage/)
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* [OVH Object Storage](https://www.ovh.co.uk/public-cloud/storage/object-storage/)
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* [Oracle Cloud Storage](https://cloud.oracle.com/storage-opc)
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* [IBM Bluemix Cloud ObjectStorage Swift](https://console.bluemix.net/docs/infrastructure/objectstorage-swift/index.html)
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Paths are specified as `remote:container` (or `remote:` for the `lsd`
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command.) You may put subdirectories in too, eg `remote:container/path/to/dir`.
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Here is an example of making a swift configuration. First run
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rclone config
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This will guide you through an interactive setup process.
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```
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No remotes found - make a new one
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n) New remote
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s) Set configuration password
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q) Quit config
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n/s/q> n
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name> remote
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Type of storage to configure.
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Choose a number from below, or type in your own value
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1 / Amazon Drive
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\ "amazon cloud drive"
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2 / Amazon S3 (also Dreamhost, Ceph, Minio)
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\ "s3"
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3 / Backblaze B2
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\ "b2"
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4 / Box
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\ "box"
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5 / Cache a remote
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\ "cache"
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6 / Dropbox
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\ "dropbox"
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7 / Encrypt/Decrypt a remote
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\ "crypt"
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8 / FTP Connection
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\ "ftp"
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9 / Google Cloud Storage (this is not Google Drive)
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\ "google cloud storage"
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10 / Google Drive
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\ "drive"
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11 / Hubic
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\ "hubic"
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12 / Local Disk
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\ "local"
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13 / Microsoft Azure Blob Storage
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\ "azureblob"
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14 / Microsoft OneDrive
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\ "onedrive"
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15 / Openstack Swift (Rackspace Cloud Files, Memset Memstore, OVH)
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\ "swift"
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16 / Pcloud
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\ "pcloud"
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17 / QingCloud Object Storage
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\ "qingstor"
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18 / SSH/SFTP Connection
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\ "sftp"
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19 / Webdav
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\ "webdav"
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20 / Yandex Disk
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\ "yandex"
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21 / http Connection
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\ "http"
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Storage> swift
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Get swift credentials from environment variables in standard OpenStack form.
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Choose a number from below, or type in your own value
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1 / Enter swift credentials in the next step
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\ "false"
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2 / Get swift credentials from environment vars. Leave other fields blank if using this.
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\ "true"
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env_auth> true
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User name to log in (OS_USERNAME).
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user>
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API key or password (OS_PASSWORD).
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key>
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Authentication URL for server (OS_AUTH_URL).
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Choose a number from below, or type in your own value
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1 / Rackspace US
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\ "https://auth.api.rackspacecloud.com/v1.0"
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2 / Rackspace UK
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\ "https://lon.auth.api.rackspacecloud.com/v1.0"
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3 / Rackspace v2
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\ "https://identity.api.rackspacecloud.com/v2.0"
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4 / Memset Memstore UK
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\ "https://auth.storage.memset.com/v1.0"
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5 / Memset Memstore UK v2
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\ "https://auth.storage.memset.com/v2.0"
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6 / OVH
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\ "https://auth.cloud.ovh.net/v2.0"
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auth>
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User ID to log in - optional - most swift systems use user and leave this blank (v3 auth) (OS_USER_ID).
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user_id>
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User domain - optional (v3 auth) (OS_USER_DOMAIN_NAME)
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domain>
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Tenant name - optional for v1 auth, this or tenant_id required otherwise (OS_TENANT_NAME or OS_PROJECT_NAME)
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tenant>
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Tenant ID - optional for v1 auth, this or tenant required otherwise (OS_TENANT_ID)
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tenant_id>
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Tenant domain - optional (v3 auth) (OS_PROJECT_DOMAIN_NAME)
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tenant_domain>
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Region name - optional (OS_REGION_NAME)
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region>
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Storage URL - optional (OS_STORAGE_URL)
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storage_url>
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Auth Token from alternate authentication - optional (OS_AUTH_TOKEN)
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auth_token>
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AuthVersion - optional - set to (1,2,3) if your auth URL has no version (ST_AUTH_VERSION)
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auth_version>
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Endpoint type to choose from the service catalogue (OS_ENDPOINT_TYPE)
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Choose a number from below, or type in your own value
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1 / Public (default, choose this if not sure)
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\ "public"
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2 / Internal (use internal service net)
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\ "internal"
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3 / Admin
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\ "admin"
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endpoint_type>
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Remote config
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--------------------
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[test]
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env_auth = true
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user =
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key =
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auth =
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user_id =
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domain =
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tenant =
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tenant_id =
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tenant_domain =
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region =
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storage_url =
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auth_token =
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auth_version =
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endpoint_type =
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--------------------
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y) Yes this is OK
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e) Edit this remote
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d) Delete this remote
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y/e/d> y
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```
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This remote is called `remote` and can now be used like this
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See all containers
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rclone lsd remote:
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Make a new container
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rclone mkdir remote:container
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List the contents of a container
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rclone ls remote:container
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Sync `/home/local/directory` to the remote container, deleting any
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excess files in the container.
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rclone sync /home/local/directory remote:container
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### Configuration from an Openstack credentials file ###
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An Opentstack credentials file typically looks something something
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like this (without the comments)
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```
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export OS_AUTH_URL=https://a.provider.net/v2.0
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export OS_TENANT_ID=ffffffffffffffffffffffffffffffff
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export OS_TENANT_NAME="1234567890123456"
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export OS_USERNAME="123abc567xy"
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echo "Please enter your OpenStack Password: "
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read -sr OS_PASSWORD_INPUT
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export OS_PASSWORD=$OS_PASSWORD_INPUT
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export OS_REGION_NAME="SBG1"
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if [ -z "$OS_REGION_NAME" ]; then unset OS_REGION_NAME; fi
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```
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The config file needs to look something like this where `$OS_USERNAME`
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represents the value of the `OS_USERNAME` variable - `123abc567xy` in
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the example above.
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```
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[remote]
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type = swift
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user = $OS_USERNAME
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key = $OS_PASSWORD
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auth = $OS_AUTH_URL
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tenant = $OS_TENANT_NAME
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```
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Note that you may (or may not) need to set `region` too - try without first.
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### Configuration from the environment ###
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If you prefer you can configure rclone to use swift using a standard
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set of OpenStack environment variables.
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When you run through the config, make sure you choose `true` for
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`env_auth` and leave everything else blank.
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rclone will then set any empty config parameters from the environment
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using standard OpenStack environment variables. There is [a list of
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the
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variables](https://godoc.org/github.com/ncw/swift#Connection.ApplyEnvironment)
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in the docs for the swift library.
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### Using an alternate authentication method ###
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If your OpenStack installation uses a non-standard authentication method
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that might not be yet supported by rclone or the underlying swift library,
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you can authenticate externally (e.g. calling manually the `openstack`
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commands to get a token). Then, you just need to pass the two
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configuration variables ``auth_token`` and ``storage_url``.
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If they are both provided, the other variables are ignored. rclone will
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not try to authenticate but instead assume it is already authenticated
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and use these two variables to access the OpenStack installation.
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#### Using rclone without a config file ####
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You can use rclone with swift without a config file, if desired, like
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this:
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```
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source openstack-credentials-file
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export RCLONE_CONFIG_MYREMOTE_TYPE=swift
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export RCLONE_CONFIG_MYREMOTE_ENV_AUTH=true
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rclone lsd myremote:
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```
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### --fast-list ###
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This remote supports `--fast-list` which allows you to use fewer
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transactions in exchange for more memory. See the [rclone
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docs](/docs/#fast-list) for more details.
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### --update and --use-server-modtime ###
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As noted below, the modified time is stored on metadata on the object. It is
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used by default for all operations that require checking the time a file was
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last updated. It allows rclone to treat the remote more like a true filesystem,
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but it is inefficient because it requires an extra API call to retrieve the
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metadata.
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For many operations, the time the object was last uploaded to the remote is
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sufficient to determine if it is "dirty". By using `--update` along with
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`--use-server-modtime`, you can avoid the extra API call and simply upload
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files whose local modtime is newer than the time it was last uploaded.
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### Specific options ###
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Here are the command line options specific to this cloud storage
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system.
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#### --swift-storage-policy=STRING ####
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Apply the specified storage policy when creating a new container. The policy
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cannot be changed afterwards. The allowed configuration values and their
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meaning depend on your Swift storage provider.
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#### --swift-chunk-size=SIZE ####
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Above this size files will be chunked into a _segments container. The
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default for this is 5GB which is its maximum value.
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### Modified time ###
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The modified time is stored as metadata on the object as
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`X-Object-Meta-Mtime` as floating point since the epoch accurate to 1
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ns.
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This is a defacto standard (used in the official python-swiftclient
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amongst others) for storing the modification time for an object.
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### Limitations ###
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The Swift API doesn't return a correct MD5SUM for segmented files
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(Dynamic or Static Large Objects) so rclone won't check or use the
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MD5SUM for these.
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### Troubleshooting ###
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#### Rclone gives Failed to create file system for "remote:": Bad Request ####
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Due to an oddity of the underlying swift library, it gives a "Bad
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Request" error rather than a more sensible error when the
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authentication fails for Swift.
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So this most likely means your username / password is wrong. You can
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investigate further with the `--dump-bodies` flag.
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This may also be caused by specifying the region when you shouldn't
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have (eg OVH).
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#### Rclone gives Failed to create file system: Response didn't have storage storage url and auth token ####
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This is most likely caused by forgetting to specify your tenant when
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setting up a swift remote.
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