[autoscaler] Usability improvements in logging (#10764)

python/ray/tests/test_cli_patterns/test_ray_attach.txt

@@ -1,3 +1,3 @@
-Bootstrapping AWS config
+Checking AWS environment settings
 Fetched IP: .+
 ubuntu@ip-.+:~\$ exit

python/ray/tests/test_cli_patterns/test_ray_exec.txt

@@ -1,3 +1,3 @@
-Bootstrapping AWS config
+Checking AWS environment settings
 Fetched IP: .+
 This is a test!

python/ray/tests/test_cli_patterns/test_ray_submit.txt

@@ -1,5 +1,5 @@
-Bootstrapping AWS config
+Checking AWS environment settings
 Fetched IP: .+
-Bootstrapping AWS config
+Checking AWS environment settings
 Fetched IP: .+
 This is a test!

python/ray/tests/test_cli_patterns/test_ray_up.txt

@@ -1,7 +1,6 @@
-Cluster configuration valid
 Cluster: test-cli
 
-Bootstrapping AWS config
+Checking AWS environment settings
 AWS config
   IAM Profile: .+ \[default\]
   EC2 Key pair \(head & workers\): .+ \[default\]

python/ray/tests/test_cli_patterns/test_ray_up_record.txt

@@ -1,6 +1,5 @@
-.+\.py.*Cluster configuration valid
 .+\.py.*Cluster: test-cli
-.+\.py.*Bootstrapping AWS config
+.+\.py.*Checking AWS environment settings
 .+\.py.*Creating new IAM instance profile ray-autoscaler-v1 for use as the default\.
 .+\.py.*Creating new IAM role ray-autoscaler-v1 for use as the default instance role\.
 .+\.py.*Creating new key pair __test-cli_key-1 for use as the default\.