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Commitea2cae0

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chore: tune postgres CI tests (#17756)
Changes:- use a bigger runner for test-go-pg on Linux- use a depot runner to run postgres tests on Windows- use the same Windows ramdisk action for postgres tests as the onecurrently used for in-memory tests- put GOTMPDIR on a ramdisk on Windows- tune the number of tests running in parallel on macOS and Windows- use a ramdisk for postgres on macOS- turn off Spotlight indexing on macOS- rerun failing tests to stop flakes from disrupting developersResults:- test-go-pg on Linux completing in 50% of the time it takes to run onmain ([run onmain](https://github.com/coder/coder/actions/runs/14937632073/job/41968714750),[run on thisPR](https://github.com/coder/coder/actions/runs/14956584795/job/42013097674?pr=17756))- macOS tests completing in 70% of the time ([run onmain](https://github.com/coder/coder/actions/runs/14921155015/job/41916639889),[run on thisPR](https://github.com/coder/coder/actions/runs/14956590940/job/42013102975))- Windows tests completing in 50% of the time ([run onmain](https://github.com/coder/coder/actions/runs/14921155015/job/41916640058),[run on thisPR](https://github.com/coder/coder/actions/runs/14956590940/job/42013103116))This PR helps unblock#15109.
1 parent3783241 commitea2cae0

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3 files changed

+62
-19
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3 files changed

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‎.github/actions/setup-go/action.yaml‎

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -26,13 +26,15 @@ runs:
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export GOCACHE_DIR="$RUNNER_TEMP""\go-cache"
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export GOMODCACHE_DIR="$RUNNER_TEMP""\go-mod-cache"
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export GOPATH_DIR="$RUNNER_TEMP""\go-path"
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export GOTMP_DIR="$RUNNER_TEMP""\go-tmp"
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mkdir -p "$GOCACHE_DIR"
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mkdir -p "$GOMODCACHE_DIR"
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mkdir -p "$GOPATH_DIR"
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mkdir -p "$GOTMP_DIR"
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go env -w GOCACHE="$GOCACHE_DIR"
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go env -w GOMODCACHE="$GOMODCACHE_DIR"
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go env -w GOPATH="$GOPATH_DIR"
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go env -w GOTMPDIR="$GOTMP_DIR"
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-name:Setup Go
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uses:actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32# v5.0.2
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with:

‎.github/workflows/ci.yaml‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -454,7 +454,7 @@ jobs:
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api-key:${{ secrets.DATADOG_API_KEY }}
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test-go-pg:
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runs-on:${{ matrix.os == 'ubuntu-latest' && github.repository_owner == 'coder' && 'depot-ubuntu-22.04-4' || matrix.os }}
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runs-on:${{ matrix.os == 'ubuntu-latest' && github.repository_owner == 'coder' && 'depot-ubuntu-22.04-8' || matrix.os }}
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needs:changes
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if:needs.changes.outputs.go == 'true' || needs.changes.outputs.ci == 'true' || github.ref == 'refs/heads/main'
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# This timeout must be greater than the timeout set by `go test` in

‎.github/workflows/nightly-gauntlet.yaml‎

Lines changed: 58 additions & 17 deletions
Original file line numberDiff line numberDiff line change
@@ -12,8 +12,9 @@ permissions:
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jobs:
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test-go-pg:
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runs-on:${{ matrix.os == 'macos-latest' && github.repository_owner == 'coder' && 'depot-macos-latest' || matrix.os == 'windows-2022' && github.repository_owner == 'coder' && 'windows-latest-16-cores' || matrix.os }}
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if:github.ref == 'refs/heads/main'
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# make sure to adjust NUM_PARALLEL_PACKAGES and NUM_PARALLEL_TESTS below
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# when changing runner sizes
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runs-on:${{ matrix.os == 'macos-latest' && github.repository_owner == 'coder' && 'depot-macos-latest' || matrix.os == 'windows-2022' && github.repository_owner == 'coder' && 'depot-windows-2022-16' || matrix.os }}
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# This timeout must be greater than the timeout set by `go test` in
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# `make test-postgres` to ensure we receive a trace of running
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# goroutines. Setting this to the timeout +5m should work quite well
@@ -31,22 +32,39 @@ jobs:
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with:
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egress-policy:audit
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35+
# macOS indexes all new files in the background. Our Postgres tests
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# create and destroy thousands of databases on disk, and Spotlight
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# tries to index all of them, seriously slowing down the tests.
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-name:Disable Spotlight Indexing
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if:runner.os == 'macOS'
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run:|
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sudo mdutil -a -i off
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sudo mdutil -X /
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sudo launchctl bootout system /System/Library/LaunchDaemons/com.apple.metadata.mds.plist
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# Set up RAM disks to speed up the rest of the job. This action is in
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# a separate repository to allow its use before actions/checkout.
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-name:Setup RAM Disks
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if:runner.os == 'Windows'
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uses:coder/setup-ramdisk-action@79dacfe70c47ad6d6c0dd7f45412368802641439
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-name:Checkout
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uses:actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683# v4.2.2
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with:
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fetch-depth:1
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-name:Setup Go
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uses:./.github/actions/setup-go
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with:
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# Runners have Go baked-in and Go will automatically
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# download the toolchain configured in go.mod, so we don't
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# need to reinstall it. It's faster on Windows runners.
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use-preinstalled-go:${{ runner.os == 'Windows' }}
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use-temp-cache-dirs:${{ runner.os == 'Windows' }}
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-name:Setup Terraform
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uses:./.github/actions/setup-tf
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45-
# Sets up the ImDisk toolkit for Windows and creates a RAM disk on drive R:.
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-name:Setup ImDisk
47-
if:runner.os == 'Windows'
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uses:./.github/actions/setup-imdisk
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-name:Test with PostgreSQL Database
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env:
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POSTGRES_VERSION:"13"
@@ -55,6 +73,19 @@ jobs:
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LC_ALL:"en_US.UTF-8"
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shell:bash
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run:|
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if [ "${{ runner.os }}" == "Windows" ]; then
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# Create a temp dir on the R: ramdisk drive for Windows. The default
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# C: drive is extremely slow: https://github.com/actions/runner-images/issues/8755
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mkdir -p "R:/temp/embedded-pg"
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go run scripts/embedded-pg/main.go -path "R:/temp/embedded-pg"
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fi
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if [ "${{ runner.os }}" == "macOS" ]; then
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# Postgres runs faster on a ramdisk on macOS too
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mkdir -p /tmp/tmpfs
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sudo mount_tmpfs -o noowners -s 8g /tmp/tmpfs
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go run scripts/embedded-pg/main.go -path /tmp/tmpfs/embedded-pg
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fi
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5889
# if macOS, install google-chrome for scaletests
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# As another concern, should we really have this kind of external dependency
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# requirement on standard CI?
@@ -72,19 +103,29 @@ jobs:
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touch ~/.bash_profile && echo "export BASH_SILENCE_DEPRECATION_WARNING=1" >> ~/.bash_profile
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fi
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106+
# Golang's default for these 2 variables is the number of logical CPUs.
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# Our Windows and Linux runners have 16 cores, so they match up there.
108+
NUM_PARALLEL_PACKAGES=16
109+
NUM_PARALLEL_TESTS=16
75110
if [ "${{ runner.os }}" == "Windows" ]; then
76-
# Create a temp dir on the R: ramdisk drive for Windows. The default
77-
# C: drive is extremely slow: https://github.com/actions/runner-images/issues/8755
78-
mkdir -p "R:/temp/embedded-pg"
79-
go run scripts/embedded-pg/main.go -path "R:/temp/embedded-pg"
80-
else
81-
go run scripts/embedded-pg/main.go
111+
# On Windows Postgres chokes up when we have 16x16=256 tests
112+
# running in parallel, and dbtestutil.NewDB starts to take more than
113+
# 10s to complete sometimes causing test timeouts. With 16x8=128 tests
114+
# Postgres tends not to choke.
115+
NUM_PARALLEL_PACKAGES=8
116+
fi
117+
if [ "${{ runner.os }}" == "macOS" ]; then
118+
# Our macOS runners have 8 cores. We leave NUM_PARALLEL_TESTS at 16
119+
# because the tests complete faster and Postgres doesn't choke. It seems
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# that macOS's tmpfs is faster than the one on Windows.
121+
NUM_PARALLEL_PACKAGES=8
82122
fi
83123
84-
# Reduce test parallelism, mirroring what we do for race tests.
85-
# We'd been encountering issues with timing related flakes, and
86-
# this seems to help.
87-
DB=ci gotestsum --format standard-quiet -- -v -short -count=1 -parallel 4 -p 4 ./...
124+
# We rerun failing tests to counteract flakiness coming from Postgres
125+
# choking on macOS and Windows sometimes.
126+
DB=ci gotestsum --rerun-fails=2 --rerun-fails-max-failures=1000 \
127+
--format standard-quiet --packages "./..." \
128+
-- -v -p $NUM_PARALLEL_PACKAGES -parallel=$NUM_PARALLEL_TESTS -count=1
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-name:Upload test stats to Datadog
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timeout-minutes:1

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