polish the doc style in `MicrovmImageS3Fetcher`
@@ -22,13 +22,11 @@ class MicrovmImageS3Fetcher:
A borg class for fetching Firecracker microvm images from microvm image
s3 buckets.
- Microvm Image Bucket Layout
- ===========================
+ # Microvm Image Bucket Layout
A microvm image bucket needs to obey a specific layout, described below.
- Folder Layout
- -------------
+ ## Folder Layout
``` tree
s3://<microvm-image-bucket>/<microvm-image-path>/
@@ -44,8 +42,7 @@ class MicrovmImageS3Fetcher:
...
```
- Tagging
- -------
+ ## Tagging
Microvm image folders are tagged with the capabilities of that image:
@@ -53,8 +50,7 @@ class MicrovmImageS3Fetcher:
TagSet = [{"key": "capability:<cap_name>", "value": ""}, ...]
```
- Credentials
- ===========
+ # Credentials
When run on an EC2 instance, `boto3` will check for IMDS credentials if no
other credentials are found. This mechanism is relied upon for running test
