Questions tagged [cloud-init]
131 questions
4
votes
1 answer
How to ensure Cloud-Init runs exactly once and once only?
As far as I can see, cloud-init runs every time the config changes. Not just the very first time the system boots, but every time the provided configuration changes. This makes somewhat sense, as I guess it's hard to define the "first time" (the…
miho
- 232
- 5
- 13
4
votes
2 answers
run a script via cloud-init
I know cloud-init allows to run commands as part of the cloud-init yml
runcmd:
- [ pwd ]
but I am looking for a way to execute a full shell script.
Some people just pipe the output of a curl into a shell - but that feels like a very wonky…
tcurdt
- 413
- 1
- 4
- 10
3
votes
1 answer
Why is my ec2 instance sometimes not terminating when I use 'shutdown now'?
I am running a user-data script on startup of an ec2 machine which shuts the machine down after checking the exit status of the last executed command. I confirmed that the last executed command ran successfully, so I am not sure why the machine is…
Ariella Yosafat
- 31
- 2
3
votes
1 answer
How do I attach, format and mount a volume on boot in ecs?
I want my persistence (ebs) volume to be separate from my auto-scaling group launch configuration. So that it won't be accidentally auto deleted by terraform, or something. Also I may do something like /mnt/taskname so that I have a different…
xenoterracide
- 1,496
- 2
- 13
- 26
3
votes
0 answers
Trouble with cloud-init user-data on Ubuntu on vSphere
I feel like I must be missing something obvious here. So I'm hoping someone can tell me why I'm being dumb before I try to submit an official bug report.
I recently downloaded the OVA version of the Ubuntu 16.04 cloud image and am attempting to…
Ryan Bolger
- 16,755
- 4
- 42
- 64
3
votes
1 answer
cloud-init does not insert instance level ssh keys in gce
I am passing (YAML representation)
metadata:
items:
- key: sshKeys
value: root:ssh-rsa AAAAB... non@nan
when creating a gcloud instance. But I cannot ssh to the instance
$ ssh 139.242.197.104.bc.googleusercontent.com
Host key fingerprint is…
akostadinov
- 1,178
- 1
- 9
- 18
3
votes
2 answers
how to disable executing user-data by cloud-init
I am making a new AMI in EC2 and want to disable it running anything that could be put in user-data when launching (or rebooting) from this AMI. I looked at the existing /etc/cloud/cloud.cfg and /etc/cloud/cloud.cfg.d/* but do not see where this is…
Skaperen
- 1,094
- 2
- 11
- 23
3
votes
1 answer
Centos6 with cloud-init takes longer boot time
Centos-6.6 vm image takes almost ten minutes of boot time when ran using virsh. I captured the logs using virsh console. It looks like this,
ci-info: +-------+---------------+---------------+---------------+-----------+-------+
ci-info: | Route | …
Madhavan
- 133
- 1
- 7
3
votes
1 answer
cloud-init script with args (parametrized)
Long Story
I'm preparing cloud-init scripts for instaling monitoring software agent (disclaimer: I'm one of the founders of MonitOwl). The agent software collect information (like memory or network stats) and send it to server. Each company group…
neutrinus
- 1,125
- 7
- 18
3
votes
1 answer
How Can I Update user-data on Openstack?
I have a bunch of openstack VMs running on Grizzly. I need to change their domain which is currently managed by cloud-init. How do I update the user-data?
dmourati
- 25,540
- 2
- 42
- 72
3
votes
2 answers
Why the RHEL8 system do not generate SSH host keys automatically when missing?
On the RHEL 8 and previous it is usual, that the SSH host keys in /etc/ssh are generated automatically by sshd service when missing. Usually there should…
Jaroslav Kucera
- 1,545
- 11
- 18
3
votes
6 answers
Debian 10 cloud-init waiting for DHCP on boot with static network configuration
Running Debian 10 Buster image (created with build-openstack-debian-image --release buster) with cloud-init image created by cloud-localds -v --disk-format raw --filesystem iso9660 --network-config=network-config-v2.yaml seed.img…
Xdg
- 327
- 6
- 14
2
votes
1 answer
How can I enable epel-release before installing packages with cloud-init?
I'm trying to install a few packages on CentOS 8 via cloud-init, like this:
package_upgrade: true
packages:
- firewalld
- htop
One of them one of them requires epel-release repo to be installed first:
No match for argument: htop
2019-10-21…
Chef Tony
- 401
- 1
- 3
- 8
2
votes
2 answers
`sudo` commands in cloud-init are SLOW! How to fix?
I am trying to bootstrap a Centos7 EC2 instance (ami-02eac2c0129f6376b) with bash user-data. Because it runs as root and I need to create a lot of things as the centos user, I use sudo -Hu centos many times. Each call introduces a 25 second…
Bruno Bronosky
- 4,529
- 3
- 26
- 34
2
votes
1 answer
Set hostname using cloudinit for dhcp server: Systemd overrides cloudinit hostname
For a testing environment, I want to connect multiple VMs using DHCP with their hostnames as DNS entrys. The troubleshooting shows that my DNS/DHCP works. But the VM got registered using ubuntu as hostname instead of my own (k8sm in this example):…
Lion
- 506
- 10
- 21