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Add force database recreate option #20

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Merged
jubrad merged 2 commits into from
Mar 10, 2025
Merged

Add force database recreate option #20

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1ea8d77
Add create if not exists for db_init_job
bobbyiliev Feb 28, 2025
11d57f8
Improve db recreation logging
bobbyiliev Feb 28, 2025
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42 changes: 35 additions & 7 deletions main.tf
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Original file line number Diff line number Diff line change
Expand Up @@ -76,8 +76,8 @@ resource "kubernetes_manifest" "materialize_instances" {
environmentdImageRef = "materialize/environmentd:${each.value.environmentd_version}"
backendSecretName = "${each.key}-materialize-backend"
inPlaceRollout = each.value.in_place_rollout
requestRollout = each.value.request_rollout
forceRollout = each.value.force_rollout
requestRollout = lookup(each.value, "request_rollout", null)
forceRollout = lookup(each.value, "force_rollout", null)
environmentdResourceRequirements = {
limits = {
memory = each.value.memory_limit
Expand Down Expand Up @@ -109,19 +109,20 @@ resource "kubernetes_manifest" "materialize_instances" {

# Materialize does not currently create databases within the instances, so we need to create them ourselves
resource "kubernetes_job" "db_init_job" {
for_each = { for idx, instance in var.instances : instance.database_name => instance if lookup(instance, "create_database", true) }
for_each = { for idx, instance in var.instances : "${instance.name}-${instance.database_name}" => instance if lookup(instance, "create_database", true) }

metadata {
name = replace("create-db-${each.key}", "_", "-")
name = replace("db-${each.value.database_name}", "_", "-")
namespace = coalesce(each.value.namespace, var.operator_namespace)
}

spec {
backoff_limit = 3
ttl_seconds_after_finished = 3600
backoff_limit = 5
template {
metadata {
labels = {
app = "init-db-${each.key}"
app = "init-db-${each.value.name}"
}
}
spec {
Expand All @@ -132,13 +133,40 @@ resource "kubernetes_job" "db_init_job" {
command = [
"/bin/sh",
"-c",
"psql $DATABASE_URL -c \"CREATE DATABASE ${each.key};\""
<<-EOT
# Extract connection details and connect to postgres database
export PGCONNECTION=$(echo $DATABASE_URL | sed 's|/[^/]*$|/postgres|')

echo "Waiting for PostgreSQL to be ready..."
until pg_isready -d $PGCONNECTION; do
sleep 2
done

# Check if database exists
if psql $PGCONNECTION -t -c "SELECT 1 FROM pg_database WHERE datname='${each.value.database_name}';" | grep -q 1; then
echo "Database ${each.value.database_name} already exists."
else
echo "Creating database ${each.value.database_name}..."
psql $PGCONNECTION -c "CREATE DATABASE ${each.value.database_name};"
echo "Database ${each.value.database_name} created successfully."
fi
EOT
]

env {
name = "DATABASE_URL"
value = replace(each.value.metadata_backend_url, "/${basename(each.value.metadata_backend_url)}", "/postgres")
}
resources {
limits = {
cpu = "200m"
memory = "128Mi"
}
requests = {
cpu = "100m"
memory = "64Mi"
}
}
}

restart_policy = "OnFailure"
Expand Down