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Since we need privileged settings for the Docker container
brikis98
commented
Apr 12, 2018
| source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/log.sh" | ||
| source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/aws.sh" | ||
| source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/assertions.sh" | ||
| source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/assert.sh" |
brikis98
commented
Apr 12, 2018
| local readonly max_retries=60 | ||
| local readonly sleep_between_retries=5 | ||
| asg_size=$(aws_wrapper_get_asg_size "$asg_name" "$aws_region" "$max_retries" "$sleep_between_retries") | ||
| assert_not_empty_or_null "$asg_size" "size of ASG $asg_name in $aws_region" |
brikis98
commented
Apr 12, 2018
| local readonly aws_region="$2" | ||
| local readonly use_public_ips="$3" | ||
| local readonly max_retries="${4:-60}" | ||
| local readonly sleep_between_retries="${5:-5}" |
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Also, I've made retries/timeouts optionally configurable throughout this code, which I needed for testing, but is actually a handy feature to have in general.
brikis98
commented
Apr 12, 2018
| @@ -0,0 +1,41 @@ | |||
| # A dirt-simple mock for the EC2 metadata service, built on top of Python and Flask. It allows you to set a mock value | |||
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This is my mock EC2 metadata server. I tried a bunch of open source ones, and they were all poorly supported, buggy, and only mocked a few of the endpoints I needed. Perhaps some day, we can clean this one up and open source it as a standalone project...
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|
Merging now. Please take a look, as there are some handy patterns here for mocking out EC2 metadata, AWS APIs, overriding AWS CLI behavior, etc. Feedback welcome! |
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In #1, I had test for everything but the two AWS bash scripts, as those are tricky to unit test. I started to use those scripts in another project, and, not too surprisingly, hit a bug.
So, I bit the bullet, and figured out how to unit test these suckers using
moto, a mock EC2 metadata server, and some other hacks. It was a PITA, that included some yak shaving around bats, but the upside is I actually found and fixed several bugs, so I guess it was worth the effort.