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ci: tf module to find common latest k8s version across 3 regions #214

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Sep 2, 2024
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ci: tf module to find common latest k8s version across 3 regions #214

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ci: tf module to find common accross 3 regions
sandipndev Sep 2, 2024
690ae11
chore: fmt
sandipndev Sep 2, 2024
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38 changes: 34 additions & 4 deletions ci/k8s-upgrade/main.tf
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Original file line number Diff line number Diff line change
@@ -1,10 +1,40 @@
data "google_container_engine_versions" "central1b" {
provider = google-beta
location = "europe-west6"
locals {
version_prefix = "1.28."
project = "galoy-infra-testflight"
}

data "google_container_engine_versions" "euwest6" {
provider = google-beta
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Wouldn't a for-each work with a list of locations?

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yes - I didn't think about that
wanted to keep it simple

location = "europe-west6"
version_prefix = local.version_prefix
project = local.project
}

data "google_container_engine_versions" "uscentral1" {
provider = google-beta
location = "us-central1"
version_prefix = local.version_prefix
project = local.project
}

data "google_container_engine_versions" "useast1" {
provider = google-beta
location = "us-east1"
version_prefix = local.version_prefix
project = local.project
}

locals {
# Convert outputs to sets
euwest6_versions = toset(data.google_container_engine_versions.euwest6.valid_master_versions)
uscentral1_versions = toset(data.google_container_engine_versions.uscentral1.valid_master_versions)
useast1_versions = toset(data.google_container_engine_versions.useast1.valid_master_versions)

# Find the intersection of all sets, i.e., common versions
common_versions = setintersection(local.euwest6_versions, local.uscentral1_versions, local.useast1_versions)
}

output "latest_version" {
value = data.google_container_engine_versions.central1b.latest_node_version
# Convert the set back to a list, sort it, and get the last element which is the highest version
value = length(local.common_versions) > 0 ? sort(tolist(local.common_versions))[length(local.common_versions) - 1] : ""
}
6 changes: 5 additions & 1 deletion ci/tasks/check-and-upgrade-k8s.sh
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Expand Up @@ -3,12 +3,16 @@
set -eu

source pipeline-tasks/ci/tasks/helpers.sh

pushd pipeline-tasks/ci/k8s-upgrade

terraform init && terraform apply -auto-approve
LATEST_VERSION="$(terraform output -json | jq -r .latest_version.value)"

if [[ $LATEST_VERSION == "" ]]; then
echo "Failed to get latest version"
exit 1
fi

popd

pushd repo
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