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Add support for the filestream input type #297

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Jan 10, 2022
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7 changes: 6 additions & 1 deletion lib/facter/filebeat_version.rb
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
require 'facter'
Facter.add('filebeat_version') do
confine 'kernel' => ['FreeBSD', 'OpenBSD', 'Linux', 'Windows']
confine 'kernel' => ['FreeBSD', 'OpenBSD', 'Linux', 'Windows', 'SunOS']
if File.executable?('/usr/bin/filebeat')
filebeat_version = Facter::Util::Resolution.exec('/usr/bin/filebeat version')
if filebeat_version.empty?
Expand All @@ -11,6 +11,11 @@
if filebeat_version.empty?
filebeat_version = Facter::Util::Resolution.exec('/usr/local/bin/filebeat --version')
end
elsif File.executable?('/opt/local/bin/filebeat')
filebeat_version = Facter::Util::Resolution.exec('/opt/local/bin/filebeat version')
if filebeat_version.empty?
filebeat_version = Facter::Util::Resolution.exec('/opt/local/bin/filebeat --version')
end
elsif File.executable?('/usr/share/filebeat/bin/filebeat')
filebeat_version = Facter::Util::Resolution.exec('/usr/share/filebeat/bin/filebeat --version')
elsif File.executable?('/usr/local/sbin/filebeat')
Expand Down
11 changes: 7 additions & 4 deletions manifests/input.pp
Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@
String $syslog_host = 'localhost:5140',
Boolean $cri_parse_flags = false,
String $encoding = 'plain',
String $input_type = 'log',
String $input_type = $filebeat::params::default_input_type,
Hash $fields = {},
Boolean $fields_under_root = $filebeat::fields_under_root,
Hash $ssl = {},
Expand Down Expand Up @@ -54,9 +54,12 @@
Optional[String] $max_message_size = undef,
) {

$input_template = $filebeat::major_version ? {
'5' => 'prospector.yml.erb',
default => 'input.yml.erb',
if versioncmp($facts['filebeat_version'], '7.16') > 0 {
$input_template = 'filestream.yml.erb'
} elsif versioncmp($facts['filebeat_version'], '6') > 0 {
$input_template = 'input.yml.erb'
} else {
$input_template = 'prospector.yml.erb'
}

if 'filebeat_version' in $facts and $facts['filebeat_version'] != false {
Expand Down
6 changes: 6 additions & 0 deletions manifests/params.pp
Original file line number Diff line number Diff line change
Expand Up @@ -168,4 +168,10 @@
fail($kernel_fail_message)
}
}

if versioncmp($facts['filebeat_version'], '7.16') > 0 {
$default_input_type = 'filestream'
} else {
$default_input_type = 'log'
}
}
199 changes: 199 additions & 0 deletions templates/filestream.yml.erb
Original file line number Diff line number Diff line change
@@ -0,0 +1,199 @@
<%- if @pure_array -%>
<%= scope['filebeat::inputs'].to_yaml() %>
<%- else -%>
---
- type: <%= @input_type %>
id: <%= @name %>
paths:
<%- @paths.each do |log_path| -%>
- <%= log_path %>
<%- end -%>
<%- if @encoding -%>
encoding: <%= @encoding %>
<%- end -%>
<%- if @include_lines.length > 0 -%>
include_lines:
<%- @include_lines.each do |include_line| -%>
- '<%= include_line %>'
<%- end -%>
<%- end -%>
<%- if @exclude_lines.length > 0 -%>
exclude_lines:
<%- @exclude_lines.each do |exclude_line| -%>
- '<%= exclude_line %>'
<%- end -%>
<%- end -%>
<%- if @exclude_files.length > 0 -%>
exclude_files:
<%- @exclude_files.each do |exclude_file| -%>
- <%= exclude_file %>
<%- end -%>
<%- end -%>
<%- if @ignore_older -%>
ignore_older: <%= @ignore_older %>
<%- end -%>
<%- if @doc_type -%>
document_type: <%= @doc_type %>
<%- end -%>
<%- if @scan_frequency -%>
prospector:
scanner:
check_interval: <%= @scan_frequency %>
<%- end -%>
<%- if @harvester_buffer_size -%>
harvester_buffer_size: <%= @harvester_buffer_size %>
<%- end -%>
<%- if @max_bytes -%>
message_max_bytes: <%= @max_bytes %>
<%- end -%>
<%- if @symlinks -%>
symlinks: <%= @symlinks %>
<%- end -%>
<%- if @close_older -%>
close_older: <%= @close_older %>
<%- end -%>
<%- if @force_close_files -%>
force_close_files: <%= @force_close_files %>
<%- end -%>

<%- if @json.length > 0 -%>
### JSON configuration
json:
# Decode JSON options. Enable this if your logs are structured in JSON.
# JSON key on which to apply the line filtering and multiline settings. This key
# must be top level and its value must be string, otherwise it is ignored. If
# no text key is defined, the line filtering and multiline features cannot be used.
<%- if @json['message_key'] != nil-%>
message_key: '<%= @json['message_key'] %>'
<%- end -%>

# By default, the decoded JSON is placed under a "json" key in the output document.
# If you enable this setting, the keys are copied top level in the output document.
<%- if @json['keys_under_root'] != nil -%>
keys_under_root: <%= @json['keys_under_root'] %>
<%- end -%>

# If keys_under_root and this setting are enabled, then the values from the decoded
# JSON object overwrite the fields that Filebeat normally adds (type, source, offset, etc.)
# in case of conflicts.
<%- if @json['overwrite_keys'] != nil -%>
overwrite_keys: <%= @json['overwrite_keys'] %>
<%- end -%>

# If this setting is enabled, Filebeat adds a "json_error" key in case of JSON
# unmarshaling errors or when a text key is defined in the configuration but cannot
# be used.
<%- if @json['add_error_key'] != nil -%>
add_error_key: <%= @json['add_error_key'] %>
<%- end -%>
<%- end -%>

<%- if @multiline.length > 0 -%>
parsers:
- multiline:
<%- if @multiline['pattern'] -%>
pattern: '<%= @multiline['pattern'] %>'
<%- end -%>
<%- if @multiline['negate'] -%>
negate: <%= @multiline['negate'] %>
<%- end -%>
<%- if @multiline['match'] -%>
match: <%= @multiline['match'] %>
<%- end -%>
<%- if @multiline['max_lines'] -%>
max_lines: <%= @multiline['max_lines'] %>
<%- end -%>
<%- if @multiline['timeout'] -%>
timeout: <%= @multiline['timeout'] %>
<%- end -%>
<%- end -%>
tail_files: <%= @tail_files %>

# Experimental: If symlinks is enabled, symlinks are opened and harvested. The harvester is openening the
# original for harvesting but will report the symlink name as source.
#symlinks: false

<%- if @backoff or @max_backoff -%>
backoff:
<%- if @backoff -%>
init: <%= @backoff %>
<%- end -%>
<%- if @max_backoff -%>
max: <%= @max_backoff %>
<%- end -%>
<%- end -%>

# Experimental: Max number of harvesters that are started in parallel.
# Default is 0 which means unlimited
<%- if @harvester_limit -%>
harvester_limit: <%= @harvester_limit %>
<%- end -%>

### Harvester closing options

# Close inactive closes the file handler after the predefined period.
# The period starts when the last line of the file was, not the file ModTime.
# Time strings like 2h (2 hours), 5m (5 minutes) can be used.
<%- if @close_inactive -%>
close_inactive: <%= @close_inactive %>
<%- end -%>

# Close renamed closes a file handler when the file is renamed or rotated.
# Note: Potential data loss. Make sure to read and understand the docs for this option.
close_renamed: <%= @close_renamed %>

# When enabling this option, a file handler is closed immediately in case a file can't be found
# any more. In case the file shows up again later, harvesting will continue at the last known position
# after scan_frequency.
close_removed: <%= @close_removed %>

# Closes the file handler as soon as the harvesters reaches the end of the file.
# By default this option is disabled.
# Note: Potential data loss. Make sure to read and understand the docs for this option.
close_eof: <%= @close_eof %>

### State options

# Files for the modification data is older then clean_inactive the state from the registry is removed
# By default this is disabled.
<%- if @clean_inactive -%>
clean_inactive: <%= @clean_inactive %>
<%- end -%>

# Removes the state for file which cannot be found on disk anymore immediately
clean_removed: <%= @clean_removed %>

# Close timeout closes the harvester after the predefined time.
# This is independent if the harvester did finish reading the file or not.
# By default this option is disabled.
# Note: Potential data loss. Make sure to read and understand the docs for this option.
<%- if @close_timeout -%>
close_timeout: <%= @close_timeout %>
<%- end -%>
<%- if @pipeline -%>
pipeline: <%= @pipeline %>
<%- end -%>
<%- if @fields.length > 0 -%>
fields:
<%- @fields.each_pair do |k, v| -%>
<%= k %>: <%= v %>
<%- end -%>
<%- end -%>
fields_under_root: <%= @fields_under_root %>
<%- if @ssl.length > 0 -%>
ssl:
<%- @ssl.each_pair do |k, v| -%>
<%= k %>: <%= v %>
<%- end -%>
<%- end -%>
<%- if @tags.length > 0 -%>
tags:
<%- @tags.each do |tag| -%>
- <%= tag %>
<%- end -%>
<%- end -%>
<%- if @processors.length > 0 -%>
processors:
<%- %><%= @processors.to_yaml.lines.drop(1).join.gsub(/^/, ' ') -%>
<%- end -%>
<%- end %>