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Prefix container hostname with the underlying one

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To make it easier to identity where a docker container is running,
prefix its hostname with the underlying one from the host.

Docker chooses a 12 character random hex string by default, so we'll
keep that as the suffix.
This commit is contained in:
Donal McBreen
2023-05-31 16:17:15 +01:00
parent de2de19434
commit 28d6a131a9
4 changed files with 25 additions and 6 deletions
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4
test/cli/app_test.rb
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@@ -5,7 +5,7 @@ class CliAppTest < CliTestCase
stub_running
run_command("boot").tap do |output|
assert_match "docker tag dhh/app:latest dhh/app:latest", output
assert_match "docker run --detach --restart unless-stopped", output
assert_match /docker run --detach --restart unless-stopped --name app-web-latest --hostname 1.1.1.1-[0-9a-f]{12} /, output
assert_match "docker container ls --all --filter name=^app-web-123$ --quiet | xargs docker stop", output
end
end
@@ -28,7 +28,7 @@ class CliAppTest < CliTestCase
run_command("boot").tap do |output|
assert_match /Renaming container .* to .* as already deployed on 1.1.1.1/, output # Rename
assert_match /docker rename app-web-latest app-web-latest_replaced_[0-9a-f]{16}/, output
assert_match "docker run --detach --restart unless-stopped", output
assert_match /docker run --detach --restart unless-stopped --name app-web-latest --hostname 1.1.1.1-[0-9a-f]{12} /, output
assert_match "docker container ls --all --filter name=^app-web-123$ --quiet | xargs docker stop", output
end
ensure