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integration tests: vnext cosmosdb emulator #4170

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0998b25
integration tests: vnext cosmosdb emulator
geoberle Feb 20, 2026
926b275
permission issues fix for podman in ci
geoberle Feb 21, 2026
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28 changes: 10 additions & 18 deletions test-integration/hack/_emulator_handling.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -49,33 +49,25 @@ stop_emulator() {
${CONTAINER_RUNTIME} ps -aq --filter "name=local-cosmos-emulator-*" | xargs -r "${CONTAINER_RUNTIME}" rm
}

# Start the emulator container and wait until ready (handles OS differences internally)
# Start the emulator container and wait until ready
start_emulator() {
local container_name=$1
local partition_count=$2
local os_type
local container_image
local ready_log_message

os_type=$(uname -s)
container_image="mcr.microsoft.com/cosmosdb/linux/azure-cosmos-emulator:latest"
ready_log_message="Started $((partition_count+1))/$((partition_count+1)) partitions"

if [ "${os_type}" = "Darwin" ]; then
# on OSX we need to use the vnext-preview image because the regular one does not support ARM64
# and also fails when running in qemu emulation mode under podman.
# vnext-preview docs: https://learn.microsoft.com/en-gb/azure/cosmos-db/emulator-linux#docker-commands
container_image="mcr.microsoft.com/cosmosdb/linux/azure-cosmos-emulator:vnext-preview"
# the vnext-preview image logs a different message when ready
ready_log_message="PostgreSQL and pgcosmos extension are ready"
# vnext-preview docs: https://learn.microsoft.com/en-gb/azure/cosmos-db/emulator-linux#docker-commands
local container_image="mcr.microsoft.com/cosmosdb/linux/azure-cosmos-emulator:vnext-preview"
local ready_log_message="PostgreSQL and pgcosmos extension are ready"

# The vnext image has a /home/nonroot dir owned by UID 65532 which rootless
# podman in OpenShift CI cannot map. The emulator doesn't use it, so ignoring
# the chown error during pull is safe.
if [ "${CONTAINER_RUNTIME}" = "podman" ]; then
${CONTAINER_RUNTIME} pull --storage-opt ignore_chown_errors=true "${container_image}"
fi

echo "Starting Cosmos DB emulator with container name: ${container_name}"
${CONTAINER_RUNTIME} run \
--publish 8081:8081 \
--publish 10250-10255:10250-10255 \
-e AZURE_COSMOS_EMULATOR_IP_ADDRESS_OVERRIDE=127.0.0.1 \
-e AZURE_COSMOS_EMULATOR_PARTITION_COUNT="${partition_count}" \
-e PROTOCOL=https \
--name "${container_name}" \
--detach \
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8 changes: 1 addition & 7 deletions test-integration/hack/start-cosmos-emulator.sh
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Expand Up @@ -10,12 +10,6 @@ source "${SCRIPT_DIR}/_emulator_handling.sh"
# Control whether to restart an existing emulator
RESTART_EXISTING_EMULATOR="${RESTART_EXISTING_EMULATOR:-false}"

# Number of partitions to use for the emulator
# Increase if a lot of tests run in parallel and start failing with 503 errors
# AI claims
# The default total partition count for the Azure Cosmos DB emulator is 25. Increasing
PARTITION_COUNT="${PARTITION_COUNT:-25}"

RUNNING_CONTAINER=$(get_running_emulator_container_name)
if [ -n "${RUNNING_CONTAINER}" ]; then
if [ "${RESTART_EXISTING_EMULATOR}" != "true" ]; then
Expand All @@ -31,4 +25,4 @@ if [ -n "${RUNNING_CONTAINER}" ]; then
fi

CONTAINER_NAME="local-cosmos-emulator-$(shuf -i 1000-9999 -n 1)"
start_emulator "${CONTAINER_NAME}" "${PARTITION_COUNT}"
start_emulator "${CONTAINER_NAME}"
27 changes: 5 additions & 22 deletions test-integration/utils/integrationutils/cosmos_testinfo.go
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Expand Up @@ -29,8 +29,6 @@ import (
"testing"
"time"

"k8s.io/apimachinery/pkg/util/sets"

"github.com/Azure/azure-sdk-for-go/sdk/azcore"
azcorearm "github.com/Azure/azure-sdk-for-go/sdk/azcore/arm"
"github.com/Azure/azure-sdk-for-go/sdk/azcore/policy"
Expand Down Expand Up @@ -422,20 +420,6 @@ func initializeCosmosDBForFrontend(ctx context.Context, cosmosClient *azcosmos.C
return nil, fmt.Errorf("failed to create database client: %w", err)
}

allContainers := sets.NewString()
allContainersQuery := cosmosDatabaseClient.NewQueryContainersPager("select * from containers c", nil)
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@geoberle geoberle Feb 21, 2026 •
edited
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NewQueryContainersPager is not supported in vnext
we can rely on cosmosDatabaseClient.CreateContainer to give us a StatusConflict in case the container exists already

for allContainersQuery.More() {
queryResponse, err := allContainersQuery.NextPage(context.Background())
if err != nil {
return nil, utils.TrackError(err)
}

for _, container := range queryResponse.Containers {
allContainers.Insert(container.ID)
}
}

// Create required containers
containers := []struct {
name string
partitionKey string
Expand All @@ -449,10 +433,6 @@ func initializeCosmosDBForFrontend(ctx context.Context, cosmosClient *azcosmos.C
start := time.Now()
logger.Info("Create all containers")
for _, container := range containers {
if allContainers.Has(container.name) {
logger.Info("Container already exists", "containerName", container.name)
continue
}
containerProperties := azcosmos.ContainerProperties{
ID: container.name,
PartitionKeyDefinition: azcosmos.PartitionKeyDefinition{
Expand All @@ -465,10 +445,13 @@ func initializeCosmosDBForFrontend(ctx context.Context, cosmosClient *azcosmos.C

logger.Info("Creating container", "containerName", container.name)
_, err = cosmosDatabaseClient.CreateContainer(ctx, containerProperties, nil)
if err != nil && !database.IsResponseError(err, http.StatusConflict) {
if err != nil && database.IsResponseError(err, http.StatusConflict) {
logger.Info("Container already exists", "containerName", container.name)
} else if err != nil {
return nil, utils.TrackError(err)
} else {
logger.Info("Container created", "containerName", container.name)
}
logger.Info("Container created", "containerName", container.name)
}
end := time.Now()
logger.Info("All containers created", "duration", end.Sub(start))
Expand Down