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Description of problem:
I noticed that my environment which relies on runcmd for deployment, stopped working.
It would seem that in the latest release the runcmd module no longer actually runs commands.
Adding the following code to the tail of cc_runcmd fixes the issue:
try:
env = os.environ.copy()
iid = cloud.get_instance_id()
if iid:
env['INSTANCE_ID'] = str(iid)
cmd = ['/bin/sh', out_fn]
util.subp(cmd, env=env, capture=False)
except:
util.logexc(log, "Failed to run runcmd module %s", name)
raise
Version-Release number of selected component (if applicable):
cloud-init-0.7.5-10
How reproducible:
Always
Steps to Reproduce:
1. Use cloud init with runcmd in an environment. Say:
runcmd:
- touch /tmp/TEST
2. Boot system
3. Check /tmp and /var/lib/cloud/instance/scripts/runcmd
Actual results:
The runcmd temp file is populated correctly, and has the correct data. Yet no test file was created.
Expected results:
The commands are run.
Comment 2Lars Kellogg-Stedman
2015-06-06 02:00:24 UTC
I am unable to reproduce this behavior with cloud-init-0.7.5-1, which is the latest build of 0.7.5 for el7. Using the RHEL 7.0 KVM guest image (which has cloud-init-0.7.5-1.el7_0.x86_64), and this user-data:
#cloud-config
runcmd:
- touch /root/TEST
- touch /tmp/TEST
After booting, both the files /tmp/TEST and /root/TEST exist.
I have also tried this using 0.7.6-2, which is available in the RHEL 7.1 cloud image, and that works as well.
There does not appear to be a cloud-init-0.7.5-10 anywhere. Can you double check the version number of that package and confirm that it comes from a Red Hat repository?
Setup:
cloud-init 0.7.8
RHEL: rhel 7.6
Issue: commands under runcmd do not execute.
cloud-config:
#cloud-config
users:
- name: demo
chpasswd:
list : |
demo:mydemo
expire: False
ssh_pwauth: True
write_files:
- path: /tmp/myfile.sh
permissions: 0777
owner: root
content: |
#!/bin/bash
set -e
echo "hello world" >> /tmp/myfile.txt
runcmd:
- [ sh, -c, echo "=========hello world=========" ]
final_message: "The system is finally up, after $UPTIME seconds"
The commands are present in runcmd. But I do not see any "hello world" printed. The final_message is seen on the console though.
[root@rhel-test scripts]# cat runcmd
#!/bin/sh
'sh' '-c' 'echo "=========hello world========="'
/var/log/messages:
Dec 3 02:22:21 localhost journal: [CLOUDINIT] helpers.py[DEBUG]: Running config-runcmd using lock (<FileLock using file '/var/lib/cloud/instances/d04710cf-88eb-4de3-ae56-86a9c5ae7ffc/sem/config_runcmd'>)
Dec 3 02:22:21 localhost journal: [CLOUDINIT] util.py[DEBUG]: Shellified 1 commands.
Dec 3 02:22:21 localhost journal: [CLOUDINIT] util.py[DEBUG]: Writing to /var/lib/cloud/instances/d04710cf-88eb-4de3-ae56-86a9c5ae7ffc/scripts/runcmd - wb: [448] 59 bytes
Dec 3 02:22:21 localhost journal: [CLOUDINIT] handlers.py[DEBUG]: finish: modules-config/config-runcmd: SUCCESS: config-runcmd ran successfully
Description of problem: I noticed that my environment which relies on runcmd for deployment, stopped working. It would seem that in the latest release the runcmd module no longer actually runs commands. Adding the following code to the tail of cc_runcmd fixes the issue: try: env = os.environ.copy() iid = cloud.get_instance_id() if iid: env['INSTANCE_ID'] = str(iid) cmd = ['/bin/sh', out_fn] util.subp(cmd, env=env, capture=False) except: util.logexc(log, "Failed to run runcmd module %s", name) raise Version-Release number of selected component (if applicable): cloud-init-0.7.5-10 How reproducible: Always Steps to Reproduce: 1. Use cloud init with runcmd in an environment. Say: runcmd: - touch /tmp/TEST 2. Boot system 3. Check /tmp and /var/lib/cloud/instance/scripts/runcmd Actual results: The runcmd temp file is populated correctly, and has the correct data. Yet no test file was created. Expected results: The commands are run.