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| Sonia_ | Hi , need help in cloud-init ? | 07:54 |
|---|---|---|
| kwadronaut | Sonia_: please state your question and stick around. | 08:01 |
| kwadronaut | formulating your question often already helps understanding the problem | 08:02 |
| kwadronaut | and people are not always behind their keyboards, so asking for the question, doesn't mean people stick around until it is there. | 08:02 |
| === shardy is now known as shardy_afk | ||
| Sonia_ | sorry , yesterday I put my question and got no response till today morning, hence realized if there is no one in the chat , and if time is out , question gets deleted | 09:57 |
| Sonia_ | my question on cloud-init is , how we can re-run cloud-init without rebooting the VM .....and in the same process give another user-data to it. (not the one initially executed by cloud-init) | 09:58 |
| kwadronaut | ah i see it now if i scroll up...., you could add any local data in /var/lib/cloud/? | 10:02 |
| Sonia_ | I was doing following steps to re-run cloud-init : | 10:09 |
| Sonia_ | 1. rm -rf /var/lib/cloud/insance* | 10:10 |
| Sonia_ | 2. run cloud-init init , cloud-init modules --mode init/config/final | 10:10 |
| Sonia_ | these will run it with the same user-data which I supplied at the time of VM provisioning | 10:10 |
| Sonia_ | but in between if I try to give my own, doenst work | 10:28 |
| harmw | you could also fetch the userdata using curl, just to make sure it got updated properly on the infra-side (beeit openstack or whatever platform you're running) | 10:53 |
| Sonia_ | I used config-drive here ,and user-data gets to the VM successfully and gets executed. | 11:48 |
| Sonia_ | when i re-run cloud-init , it again gets the user-data from config-drive | 11:48 |
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| === gondoi is now known as zz_gondoi | ||
| kwadronaut | i see a typo in your rm -rf, a t has gone missing in the instance | 12:47 |
| kwadronaut | well, if you want to use different data/source, that needs to be changed too of course? | 12:48 |
| === zz_gondoi is now known as gondoi | ||
| smoser | Sonia_, you can use 'ci-tool' as a friendly-ish way to "seed" data. | 13:43 |
| smoser | http://bazaar.launchpad.net/~smoser/cloud-init/ci-tool/view/head:/ci-tool | 13:44 |
| smoser | it also has 'reset' which will clean out the state in /var/lib/cloud | 13:44 |
| smoser | Sonia_, also, if you're just wanting to quickly iterate on testing things... lxc can provide a really nice way to do that. | 13:45 |
| smoser | http://bazaar.launchpad.net/~smoser/cloud-init/ci-tool/view/head:/ci-tool | 13:45 |
| smoser | oops. | 13:45 |
| smoser | http://ubuntu-smoser.blogspot.com/2013/08/lxc-with-fast-cloning-via-overlayfs-and.html | 13:45 |
| === gondoi is now known as zz_gondoi | ||
| === zz_gondoi is now known as gondoi | ||
| Sonia_ | thanks smoser for the link , I will certainly look at the tool | 14:14 |
| Sonia_ | my use case is that , initially coud-init will work with user-data supplied during provisioning time | 14:14 |
| Sonia_ | just that at later point of time , want to re-run cloud-init without rebooting the VM with a different user-data script. | 14:15 |
| Sonia_ | kwadronaut , sorry for the typo in the chat , during testing , 't' is there | 14:15 |
| smoser | Sonia_, why do you want to do that ? | 14:16 |
| smoser | ci-tool would help you accomplish it, but curious. | 14:16 |
| Sonia_ | kwadronaut , so if I want a different data source after the VM is provisioned, can I change it later point of time ? | 14:16 |
| Sonia_ | well , I dont want VM to do all the initial configurations .....running them again may wipe out many settings done | 14:17 |
| Sonia_ | smoser , shouldnt these steps work too ? | 14:19 |
| Sonia_ | 1. clean out /var/lib/cloud 2. run cloud-init init 3. replace the user-data script with out own in the instance/ directory 4. run cloud-init modules --mode init/config/final | 14:20 |
| smoser | no. it probably wont work. | 14:21 |
| smoser | i'm sorry, i can't really help now. | 14:21 |
| Sonia_ | no problem , I will try ci-tool | 14:21 |
| Sonia_ | smoser , is there a way to change the data source also ? | 14:23 |
| smoser | sure. its configurable. | 14:24 |
| smoser | in ubuntu 'dpkg-reconfigure cloud-init' | 14:24 |
| smoser | dpkg-reconfigure or ci-toolw ill adjust etc/cloud/cloud.cfg.d/90_dpkg.cfg | 14:25 |
| Sonia_ | ok , I am on RHEL | 14:27 |
| Sonia_ | hope I can still change the configurations. | 14:30 |
| kwadronaut | smoser: awwww. that lxc link is promising! | 16:57 |
| smoser | kwadronaut, yeah, its nice. | 16:58 |
| smoser | on ubuntu, you can also snapshot quickly with btrfs (or lvm if you wanted). | 16:58 |
| smoser | the big feature really was the "clone hook" to allow you to pass in user-data on the clone rather than create. | 16:58 |
| === harlowja_away is now known as harlowja | ||
| sauce | smoser you the man | 18:27 |
| smoser | thanks | 18:27 |
| smoser | :) | 18:27 |
| Sonia_ | smoser , I may need help with ci-tool | 20:24 |
| Sonia_ | so first i ran ci-tool reset , which removed instance and instances/ directory for me. | 20:26 |
| Sonia_ | post that , I am trying to seed data using the command , "ci-tool seed -s nocloud /opt/my-user-data" | 20:45 |
| Sonia_ | then I run cloud init again by "ci-tool run" | 20:56 |
| Sonia_ | correcting my earlier command : "ci-tool seed /opt/SJuser-data" | 20:57 |
| Sonia_ | running ci-tool again doesnt execute the new user-data file , any mistake I am doing here in using the tool ? | 20:57 |
| === gondoi is now known as zz_gondoi | ||
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