+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
# EC2 configuration for Arvados Node Manager.
# All times are in seconds unless specified otherwise.
+[Manage]
+# The management server responds to http://addr:port/status.json with
+# a snapshot of internal state.
+
+# Management server listening address (default 127.0.0.1)
+#address = 0.0.0.0
+
+# Management server port number (default -1, server is disabled)
+#port = 8989
+
[Daemon]
# The dispatcher can customize the start and stop procedure for
# cloud nodes. For example, the SLURM dispatcher drains nodes
# an Arvados node that hasn't been updated for this long.
node_stale_after = 14400
+# Number of consecutive times a node must report as "idle" before it
+# will be considered eligible for shutdown. Node status is checked
+# each poll period, and node can go idle at any point during a poll
+# period (meaning a node could be reported as idle that has only been
+# idle for 1 second). With a 60 second poll period, three consecutive
+# status updates of "idle" suggests the node has been idle at least
+# 121 seconds.
+consecutive_idle_count = 3
+
+# Scaling factor to be applied to nodes' available RAM size. Usually there's a
+# variable discrepancy between the advertised RAM value on cloud nodes and the
+# actual amount available.
+# If not set, this value will be set to 0.95
+node_mem_scaling = 0.95
+
# File path for Certificate Authorities
certs_file = /etc/ssl/certs/ca-certificates.crt
host = zyxwv.arvadosapi.com
token = ARVADOS_TOKEN
timeout = 15
+jobs_queue = yes # Get work request from Arvados jobs queue (jobs API)
+slurm_queue = yes # Get work request from squeue (containers API)
# Accept an untrusted SSL certificate from the API server?
insecure = no
# compute node.
security_groups = idstring1, idstring2
+# Apply an Instance Profile ARN to the newly created compute nodes
+# For more info, see:
+# https://aws.amazon.com/premiumsupport/knowledge-center/iam-policy-restrict-vpc/
+# ex_iamprofile = arn:aws:iam::ACCOUNTNUMBER:instance-profile/ROLENAME
+
# You can define any number of Size sections to list EC2 sizes you're
# willing to use. The Node Manager should boot the cheapest size(s) that
# size class (since libcloud does not provide any consistent API for exposing
# this setting).
# You may also want to define the amount of scratch space (expressed
-# in GB) for Crunch jobs. You can also override Amazon's provided
+# in MB) for Crunch jobs. You can also override Amazon's provided
# data fields (such as price per hour) by setting them here.
+#
+# Additionally, you can ask for a preemptible instance (AWS's spot instance)
+# by adding the appropriate boolean configuration flag. If you want to have
+# both spot & reserved versions of the same size, you can do so by renaming
+# the Size section and specifying the instance type inside it.
+# 100 GB scratch space
[Size m4.large]
cores = 2
price = 0.126
-scratch = 100
+scratch = 100000
+
+# 10 GB scratch space
+[Size m4.large.spot]
+instance_type = m4.large
+preemptible = true
+cores = 2
+price = 0.126
+scratch = 10000
+# 200 GB scratch space
[Size m4.xlarge]
cores = 4
price = 0.252
-scratch = 100
+scratch = 200000