loadbalancing

Description

1. When I am using APISIX_PROFILE, if a value is assigned, it will be displayed as follows

    a. config-dp.yaml
    b. config-cp.yaml
    c. ...[others]

2. However, when I don't do the assignment, I expect to be config.yaml, but I actually get config-.yaml.
3. It works fine, but the file names look ugly. As someone with code cleanliness, it's hard to accept i

background

In the current project's e2e, a lot of time.sleep is used. This will undoubtedly increase the overall time-consuming of CI.

https://pkg.go.dev/k8s.io/apimachinery/pkg/util/wait package provides tools for polling or listening for changes to a condition.

We can replace the current time.sleep with wait for a more elegant way of determining whether our desired state has be

Alpine Linux is affected by a serious security CVE-2022-28391 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28391

The AlpineLinux Release Note https://alpinelinux.org/posts/Alpine-3.12.12-3.13.10-3.14.6-3.15.4-released.html

We should update the currently used Alpine Linux image version.