Puppet Class: profile::analytics::cluster::hdfs_mount
- Defined in:
- modules/profile/manifests/analytics/cluster/hdfs_mount.pp
Overview
SPDX-License-Identifier: Apache-2.0
Class profile::analytic::cluster::hdfs_mount
Include a FUSE mountpoint under /mnt/hdfs to access HDFS.
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 |
# File 'modules/profile/manifests/analytics/cluster/hdfs_mount.pp', line 6
class profile::analytics::cluster::hdfs_mount(
$monitoring_enabled = lookup('profile::analytics::cluster::hdfs_mount::monitoring_enabled', { 'default_value' => false }),
$kerberos_enabled = lookup('profile::analytics::cluster::hdfs_mount::kerberos_enabled', { 'default_value' => true }),
$monitoring_user = lookup('profile::analytics::cluster::hdfs_mount::monitoring_user', { 'default_value' => 'analytics-privatedata' }),
) {
# Include Hadoop ecosystem client classes.
require ::profile::hadoop::common
# Mount HDFS via Fuse on Analytics client nodes.
# This will mount HDFS at /mnt/hdfs read only.
class { '::bigtop::hadoop::mount': }
if $monitoring_enabled {
if $kerberos_enabled {
require ::profile::kerberos::client
# The following requires a keytab for the analytics user deployed on the host.
$sudo_user = $monitoring_user
$kerberos_prefix = "${::profile::kerberos::client::run_command_script} ${monitoring_user} "
sudo::user { 'nagios-check_hadoop_mount_readability':
ensure => absent,
}
} else {
$sudo_user = undef
$kerberos_prefix = ''
}
nrpe::plugin { 'check_mountpoint_readability':
source => 'puppet:///modules/profile/analytics/check_mountpoint_readability',
}
nrpe::monitor_service { 'check_hadoop_mount_readability':
description => 'Check if the Hadoop HDFS Fuse mountpoint is readable',
nrpe_command => "${kerberos_prefix}/usr/local/lib/nagios/plugins/check_mountpoint_readability ${bigtop::hadoop::mount::mount_point}",
sudo_user => $sudo_user,
check_interval => 30,
retries => 2,
contact_group => 'team-data-platform',
notes_url => 'https://wikitech.wikimedia.org/wiki/Analytics/Systems/Cluster/Hadoop/Administration#Fixing_HDFS_mount_at_/mnt/hdfs',
}
}
}
|