docker: Do not catchup if already initialized.

[winder]

Summary

Avoid running fast catchup in docker containers which have already been initialized.

Test Plan

1. Build docker container with these changes:

docker build \
           -t wwinder/algod:fast-catchup-fix  \
           --build-arg TARGETARCH=amd64 --no-cache \
           --build-arg BRANCH=will/docker-catchup-init \
           --build-arg URL=https://github.com/winder/go-algorand \
           .

2. Run a container such that it initialize a local data directory

docker run --rm -it -p 8080:8080 --name algod-test-run \
           -e ADMIN_TOKEN=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa \
           -e TOKEN=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa \
           -e PROFILE=development \
           -e NETWORK=betanet \
           -e FAST_CATCHUP=1 \
           -v (pwd)/docker_fast:/algod/data \
           wwinder/algod:fast-catchup-fix

3. Observe that fast catchup runs, and completes:

curl "localhost:8080/v2/status?pretty" -H "Authorization: bearer aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"

4. Shutdown the container, and start it back up again with the same command from step 2.
5. Monitor status with command from step 3, it should not run fast-catchup.
6. Shutdown the container, start it back up again with algorand/algod:3.18.0-stable.
7. Monitor status with command from step 3, it should start fast-catchup (the bug).

[codecov]

Codecov Report

Merging #5756 (a7dd889) into master (ff82655) will decrease coverage by 0.02%.
Report is 3 commits behind head on master.
The diff coverage is 10.00%.

@@            Coverage Diff             @@
##           master    #5756      +/-   ##
==========================================
- Coverage   55.47%   55.46%   -0.02%     
==========================================
  Files         473      473              
  Lines       66682    66682              
==========================================
- Hits        36995    36984      -11     
- Misses      27175    27182       +7     
- Partials     2512     2516       +4     

Files	Coverage Δ
cmd/goal/node.go	12.65% <50.00%> (ø)
libgoal/libgoal.go	2.44% <0.00%> (ø)
daemon/algod/api/server/v2/handlers.go	0.79% <0.00%> (ø)

... and 17 files with indirect coverage changes

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[bbroder-uji]

LGTM

[jannotti]

How do we manage the releases so this doesn't get run against old algods?

[winder]

@jannotti the docker image and algod are released and packaged together, so it isn't an issue.