Fluentd out plugin to do something.
Azure Storage Append Blob output plugin buffers logs in local file and uploads them to Azure Storage Append Blob periodically.
$ gem install fluent-plugin-azure-storage-append-blob
Add following line to your Gemfile:
gem "fluent-plugin-azure-storage-append-blob"And then execute:
$ bundle
<match pattern>
type azure-storage-append-blob
azure_storage_account <your azure storage account>
azure_storage_access_key <your azure storage access key>
azure_container <your azure storage container>
auto_create_container true
path logs/
azure_object_key_format %{path}%{time_slice}_%{index}.log
time_slice_format %Y%m%d-%H
# if you want to use %{tag} or %Y/%m/%d/ like syntax in path / azure_blob_name_format,
# need to specify tag for %{tag} and time for %Y/%m/%d in <buffer> argument.
<buffer tag,time>
@type file
path /var/log/fluent/azurestorageappendblob
timekey 120 # 2 minutes
timekey_wait 60
timekey_use_utc true # use utc
</buffer>
</match>
Your Azure Storage Account Name. This can be retrieved from Azure Management portal.
Used Azure Storage Account Access Key (Primary or Secondary) or shared access signature (SAS) token, which also can be retrieved from Azure Management portal.
Azure Storage Container name
This plugin creates the Azure container if it does not already exist exist when you set 'auto_create_container' to true.
The default value is true
The format of Azure Storage object keys. You can use several built-in variables:
- %{path}
- %{time_slice}
- %{index}
to decide keys dynamically.
%{path} is exactly the value of path configured in the configuration file. E.g., "logs/" in the example configuration above. %{time_slice} is the time-slice in text that are formatted with time_slice_format. %{index} is used only if your blob exceed Azure 50000 blocks limit per blob to prevent data loss. Its not required to use this parameter.
The default format is "%{path}%{time_slice}-%{index}.log".
For instance, using the example configuration above, actual object keys on Azure Storage will be something like:
"logs/20130111-22-0.log"
"logs/20130111-23-0.log"
"logs/20130112-00-0.log"
With the configuration:
azure_object_key_format %{path}/events/ts=%{time_slice}/events.log
path log
time_slice_format %Y%m%d-%H
You get:
"log/events/ts=20130111-22/events.log"
"log/events/ts=20130111-23/events.log"
"log/events/ts=20130112-00/events.log"
The fluent-mixin-config-placeholders mixin is also incorporated, so additional variables such as %{hostname}, etc. can be used in the azure_object_key_format. This is useful in preventing filename conflicts when writing from multiple servers.
azure_object_key_format %{path}/events/ts=%{time_slice}/events-%{hostname}.log
Format of the time used in the file name. Default is '%Y%m%d'. Use '%Y%m%d%H' to split files hourly.
$ gem install bundler
$ bundle install
$ bundle exec rake test
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