Test Database Stack #737

Merged
dboreham merged 13 commits from dboreham/test-database-stack into main 2024-02-15 05:26:31 +00:00
5 changed files with 64 additions and 0 deletions
Showing only changes of commit 7b5f720593 - Show all commits

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@ -1,4 +1,5 @@
services:
database:
image: cerc/test-database-container:local
restart: always
@ -11,6 +12,9 @@ services:
POSTGRES_INITDB_ARGS: "-E UTF8 --locale=C"
ports:
- "5432"
test-client:
image: cerc/test-database-client:local
volumes:
db-data:

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@ -0,0 +1,12 @@
FROM ubuntu:latest
RUN apt-get update && export DEBIAN_FRONTEND=noninteractive && export DEBCONF_NOWARNINGS="yes" && \
apt-get install -y software-properties-common && \
apt-get install -y postgresql-client && \
apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
EXPOSE 80
COPY run.sh /app/run.sh
ENTRYPOINT ["/app/run.sh"]

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@ -0,0 +1,5 @@
#!/usr/bin/env bash
# Build cerc/test-container
source ${CERC_CONTAINER_BASE_DIR}/build-base.sh
SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
docker build -t cerc/test-database-client:local -f ${SCRIPT_DIR}/Dockerfile ${build_command_args} $SCRIPT_DIR

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@ -0,0 +1,42 @@
#!/usr/bin/env bash
set -e
if [ -n "$CERC_SCRIPT_DEBUG" ]; then
set -x
fi
# TODO derive this from config
database_url="postgresql://test-user:password@localhost:5432/test-db"
psql_command="psql ${database_url}"
does_test_data_exist () {
query_result=$(${psql_command} -t -c "select count(*) from test_table_1 where key_column = 'test_key_1';" | head -1 | tr -d ' ')
if [[ "${query_result}" == "1" ]]; then
return 0
else
return 1
fi
}
create_test_data () {
${psql_command} -c "create table test_table_1 (key_column text, value_column text, primary key(key_column));"
${psql_command} -c "insert into test_table_1 values ('test_key_1', 'test_value_1');"
}
wait_forever() {
# Loop to keep docker/k8s happy since this is the container entrypoint
while :; do sleep 600; done
}
# Check if the test database content exists already
if does_test_data_exist; then
# If so, log saying so. Test harness will look for this log output
echo "Database test client: test data already exists"
else
# Otherwise log saying the content was not present
echo "Database test client: test data does not exist"
echo "Database test client: creating test data"
# then create it
create_test_data
fi
wait_forever

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@ -4,5 +4,6 @@ description: "A test database stack"
repos:
containers:
- cerc/test-database-container
- cerc/test-database-client
pods:
- test-database