feat(spot): more detailed debug logs

[ppitonak]

1. on demand: print which instance type was randomly chosen
2. spot: print more details when no good choice was found

[ppitonak]

Sample output

...
DEBU Found InstanceType inf2.8xlarge at Availability Zone sa-east-1c with spot price 0.680100 
DEBU Found InstanceType inf2.xlarge at Availability Zone sa-east-1c with spot price 0.186500 
DEBU Found InstanceType inf2.24xlarge at Availability Zone sa-east-1c with spot price 2.140200 
DEBU No spot choice found. Regions with pricing data: [sa-east-1 eu-central-1 eu-west-2 eu-west-1 us-east-2 ap-southeast-1 ap-south-1 us-west-2] 
DEBU No spot choice found. Regions with placement scores: [us-east-2 sa-east-1 ap-southeast-1 us-west-2 eu-central-1 eu-west-1 eu-west-2 ap-south-1] 
DEBU   Region sa-east-1, AZ sa-east-1b: 1 instance type(s) with pricing [trn2.3xlarge], has placement score: false (need 5 types per AZ) 
DEBU   Region sa-east-1, AZ sa-east-1c: 3 instance type(s) with pricing [inf2.xlarge inf2.8xlarge inf2.24xlarge], has placement score: true (need 5 types per AZ) 
DEBU   Region eu-central-1, AZ eu-central-1a: 3 instance type(s) with pricing [inf2.xlarge inf2.8xlarge inf2.24xlarge], has placement score: false (need 5 types per AZ) 
DEBU   Region eu-central-1, AZ eu-central-1b: 3 instance type(s) with pricing [inf2.xlarge inf2.8xlarge inf2.24xlarge], has placement score: true (need 5 types per AZ) 
DEBU   Region eu-west-2, AZ eu-west-2a: 3 instance type(s) with pricing [inf2.xlarge inf2.8xlarge inf2.24xlarge], has placement score: true (need 5 types per AZ) 
DEBU   Region eu-west-1, AZ eu-west-1c: 3 instance type(s) with pricing [inf2.xlarge inf2.8xlarge inf2.24xlarge], has placement score: false (need 5 types per AZ) 
DEBU   Region eu-west-1, AZ eu-west-1a: 3 instance type(s) with pricing [inf2.xlarge inf2.8xlarge inf2.24xlarge], has placement score: false (need 5 types per AZ) 
DEBU   Region eu-west-1, AZ eu-west-1b: 3 instance type(s) with pricing [inf2.xlarge inf2.8xlarge inf2.24xlarge], has placement score: true (need 5 types per AZ) 
DEBU   Region us-east-2, AZ us-east-2b: 3 instance type(s) with pricing [inf2.xlarge inf2.8xlarge inf2.24xlarge], has placement score: false (need 5 types per AZ) 
DEBU   Region us-east-2, AZ us-east-2a: 3 instance type(s) with pricing [inf2.xlarge inf2.8xlarge inf2.24xlarge], has placement score: true (need 5 types per AZ) 
DEBU   Region us-east-2, AZ us-east-2c: 4 instance type(s) with pricing [inf2.xlarge trn1.2xlarge inf2.8xlarge inf2.24xlarge], has placement score: true (need 5 types per AZ) 
DEBU   Region ap-southeast-1, AZ ap-southeast-1a: 3 instance type(s) with pricing [inf2.xlarge inf2.8xlarge inf2.24xlarge], has placement score: false (need 5 types per AZ) 
DEBU   Region ap-southeast-1, AZ ap-southeast-1c: 3 instance type(s) with pricing [inf2.xlarge inf2.8xlarge inf2.24xlarge], has placement score: true (need 5 types per AZ) 
DEBU   Region ap-south-1, AZ ap-south-1a: 3 instance type(s) with pricing [inf2.xlarge inf2.8xlarge inf2.24xlarge], has placement score: false (need 5 types per AZ) 
DEBU   Region ap-south-1, AZ ap-south-1b: 3 instance type(s) with pricing [inf2.xlarge inf2.8xlarge inf2.24xlarge], has placement score: true (need 5 types per AZ) 
DEBU   Region us-west-2, AZ us-west-2c: 3 instance type(s) with pricing [inf2.xlarge inf2.8xlarge inf2.24xlarge], has placement score: true (need 5 types per AZ) 
DEBU   Region us-west-2, AZ us-west-2a: 4 instance type(s) with pricing [inf2.xlarge trn1.2xlarge inf2.8xlarge inf2.24xlarge], has placement score: true (need 5 types per AZ) 
DEBU   Region us-west-2, AZ us-west-2b: 3 instance type(s) with pricing [inf2.xlarge inf2.8xlarge inf2.24xlarge], has placement score: false (need 5 types per AZ) 
DEBU   Region us-west-2, AZ us-west-2d: 4 instance type(s) with pricing [inf2.xlarge trn1.2xlarge inf2.8xlarge inf2.24xlarge], has placement score: false (need 5 types per AZ) 
INFO @ updating.......                            
INFO  +  pulumi:pulumi:Stack mapt-rhel-ppitonak-test-neuron-spotOption-mapt-rhel-ppitonak-test-neuron creating (4s) error: an unhandled error occurred: 1 error occurred: 
INFO @ updating....                               
INFO  +  pulumi:pulumi:Stack mapt-rhel-ppitonak-test-neuron-spotOption-mapt-rhel-ppitonak-test-neuron **creating failed (4s)** 1 error 
INFO Diagnostics:                                 
INFO   pulumi:pulumi:Stack (mapt-rhel-ppitonak-test-neuron-spotOption-mapt-rhel-ppitonak-test-neuron): 
INFO     error: an unhandled error occurred: 1 error occurred: 
INFO            * no good spot choice was found: need 5 instance types in the same AZ with both spot pricing and placement scores above minimum threshold, but no AZ met this requirement. Regions with pricing: [sa-east-1 eu-central-1 eu-west-2 eu-west-1 us-east-2 ap-southeast-1 ap-south-1 us-west-2], regions with placement scores: [us-east-2 sa-east-1 ap-southeast-1 us-west-2 eu-central-1 eu-west-1 eu-west-2 ap-south-1] 
INFO                                              
INFO Resources:                                   
INFO     + 1 created                              
INFO     1 errored                                
INFO                                              
INFO Duration: 6s

[adrianriobo]

Do we want this always or just if debug is enabled? I think this will print the trace as debug always as that do not check the ctx.Debug flag?

[ppitonak]

Oh, I didn't realize that it works this way. I pushed the fix

[adrianriobo]

LGTM