fix: Fix log formatting on startup logs

[jonathan-innis]

Fixes aws/karpenter-provider-aws#3560

Description

• Fix log formatting on startup logs so that all logs are structured using the *zap.SugaredLogger

How was this change tested?

make presubmit

Old Logs

2023-04-19T05:55:38.652Z        DEBUG   Successfully created the logger.
2023-04-19T05:55:38.652Z        DEBUG   Logging level set to: debug
{"level":"info","ts":1681883738.6558979,"logger":"fallback","caller":"injection/injection.go:63","msg":"Starting informers..."}
2023-04-19T05:55:38.756Z        DEBUG   controller      waiting for configmaps  {"commit": "7131be2-dirty"}
2023-04-19T05:55:39.269Z        DEBUG   controller      waiting for configmaps  {"commit": "7131be2-dirty"}
2023-04-19T05:55:39.770Z        DEBUG   controller      waiting for configmaps  {"commit": "7131be2-dirty"}
2023-04-19T05:55:40.270Z        DEBUG   controller      waiting for configmaps  {"commit": "7131be2-dirty"}
2023-04-19T05:55:40.771Z        DEBUG   controller      waiting for configmaps  {"commit": "7131be2-dirty"}
2023-04-19T05:55:41.330Z        DEBUG   controller.aws  discovered region       {"commit": "7131be2-dirty", "region": "us-west-2"}
2023-04-19T05:55:41.330Z        DEBUG   controller.aws  discovered cluster endpoint     {"commit": "7131be2-dirty", "cluster-endpoint": "https://2B3A0347E5BF8D9935288F4311843065.gr7.us-west-2.eks.amazonaws.com"}
2023-04-19T05:55:41.336Z        DEBUG   controller.aws  discovered kube dns     {"commit": "7131be2-dirty", "kube-dns-ip": "10.100.0.10"}
2023-04-19T05:55:41.336Z        DEBUG   controller.aws  discovered version      {"commit": "7131be2-dirty", "version": "v0.27.1"}
2023/04/19 05:55:41 Registering 2 clients
2023/04/19 05:55:41 Registering 2 informer factories
2023/04/19 05:55:41 Registering 3 informers
2023/04/19 05:55:41 Registering 5 controllers
2023-04-19T05:55:41.337Z        INFO    controller      Starting server {"commit": "7131be2-dirty", "path": "/metrics", "kind": "metrics", "addr": "[::]:8080"}
2023-04-19T05:55:41.337Z        INFO    controller      Starting server {"commit": "7131be2-dirty", "kind": "health probe", "addr": "[::]:8081"}
I0419 05:55:41.438781       1 leaderelection.go:248] attempting to acquire leader lease karpenter/karpenter-leader-election...
2023-04-19T05:55:41.469Z        INFO    controller      Starting informers...   {"commit": "7131be2-dirty"}
2023-04-19T05:55:41.669Z        INFO    controller.aws.pricing  updated spot pricing with instance types and offerings  {"commit": "7131be2-dirty", "instance-type-count": 631, "offering-count": 2178}

New Logs

2023-04-19T06:00:00.905Z        DEBUG   Successfully created the logger.
2023-04-19T06:00:00.905Z        DEBUG   Logging level set to: debug
2023-04-19T06:00:06.233Z        DEBUG   controller      discovered region       {"commit": "6bdd213-dirty", "region": "us-west-2"}
2023-04-19T06:00:06.233Z        DEBUG   controller      discovered cluster endpoint     {"commit": "6bdd213-dirty", "cluster-endpoint": "https://2B3A0347E5BF8D9935288F4311843065.gr7.us-west-2.eks.amazonaws.com"}
2023-04-19T06:00:06.246Z        DEBUG   controller      discovered kube dns     {"commit": "6bdd213-dirty", "kube-dns-ip": "10.100.0.10"}
2023-04-19T06:00:06.246Z        DEBUG   controller      discovered version      {"commit": "6bdd213-dirty", "version": "v0.27.1-55-g6bdd2138"}
2023-04-19T06:00:06.246Z        DEBUG   controller      Registering 2 clients   {"commit": "6bdd213-dirty"}
2023-04-19T06:00:06.246Z        DEBUG   controller      Registering 2 informer factories        {"commit": "6bdd213-dirty"}
2023-04-19T06:00:06.246Z        DEBUG   controller      Registering 3 informers {"commit": "6bdd213-dirty"}
2023-04-19T06:00:06.246Z        DEBUG   controller      Registering 5 controllers       {"commit": "6bdd213-dirty"}
2023-04-19T06:00:06.247Z        INFO    controller      Starting server {"commit": "6bdd213-dirty", "path": "/metrics", "kind": "metrics", "addr": "[::]:8080"}
2023-04-19T06:00:06.247Z        INFO    controller      Starting server {"commit": "6bdd213-dirty", "kind": "health probe", "addr": "[::]:8081"}
2023-04-19T06:00:06.348Z        INFO    controller      attempting to acquire leader lease karpenter/karpenter-leader-election...
        {"commit": "6bdd213-dirty"}
2023-04-19T06:00:06.382Z        INFO    controller      Starting informers...   {"commit": "6bdd213-dirty"}

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[coveralls]

Pull Request Test Coverage Report for Build 4746404727

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 19 unchanged lines in 3 files lost coverage.
• Overall coverage increased (+0.08%) to 81.397%

---

Files with Coverage Reduction	New Missed Lines	%
pkg/controllers/deprovisioning/controller.go	3	84.39%
pkg/controllers/provisioning/scheduling/preferences.go	7	86.67%
pkg/controllers/deprovisioning/events/events.go	9	85.25%

Totals
Change from base Build 4726719442:	0.08%
Covered Lines:	6760
Relevant Lines:	8305

---

💛 - Coveralls

[ellistarn]

Thank you!!