HaoWang9909 commented on issue #5525:
URL: https://github.com/apache/openwhisk/issues/5525#issuecomment-2564984302
## Issue Resolved
The issue has been resolved successfully. The problem was related to how the
invoker image was specified and deployed across multiple machines. Here’s the
detailed explanation:
## Root Cause
The problem occurred because:
1. Deployment Across Multiple Machines: I have a setup with two machines –
one for the controller and one for the invoker. During the deployment process,
there was a mismatch in how the invoker image was configured and deployed.
2. Temporary Ansible Configuration Change: At some point, I modified the
ansible/roles/invoker/tasks/deploy.yml file to force the invoker to use the
nightly tag from the Docker registry:
```
image: "{{ docker_registry }}openwhisk/invoker:nightly"
```
This change caused the deployment process to always pull the nightly image
from the registry, ignoring any locally built or customized images.
## Solution
To resolve the issue, I followed these steps:
1. Reverted the Ansible Configuration:
I updated the ansible/roles/invoker/tasks/deploy.yml file to use the correct
dynamic image configuration:
```
image: "{{ docker_registry }}{{ docker.image.prefix }}/invoker:{{ 'cov' if
(coverage_enabled) else docker.image.tag }}"
```
This ensures that the invoker deployment respects the tag specified in the
docker.image.tag variable.
2. Built the Invoker Image Locally:
On the machine where the invoker image was being built (controller machine),
I ran:
```
./gradlew :core:invoker:clean :core:invoker:distDocker
```
3. Transferred the Image to the Invoker Machine:
- I exported the built image as invoker.tar:
- docker save -o invoker.tar whisk/invoker:latest
- Then transferred it to the invoker machine:
```
scp invoker.tar user@invoker-machine:~
```
4. Loaded the Image on the Invoker Machine:
On the invoker machine, I loaded the image:
```
docker load -i ~/invoker.tar
```
5. Redeployed OpenWhisk:
Finally, I redeployed OpenWhisk to ensure the correct image was used:
```
cd ansible
sudo ansible-playbook -i environments/local openwhisk.yml
```
## Outcome
After completing the above steps:
1. The invoker is now using the correct image.
2. My code changes are reflected in the invoker logs, confirming that the
updated image is being used.
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