mirror of
https://github.com/projectcapsule/capsule.git
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Oliver BählerandGitHub
99e05220ab
* feat: implement performance optimizations --------- Signed-off-by: Oliver Baehler <oliver@sudo-i.net>
95 lines
2.5 KiB
Bash
Executable File
95 lines
2.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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CLUSTER_NAME=${CLUSTER_NAME:-capsule-stress}
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KUBE_CONTEXT=${KUBE_CONTEXT:-kwok-${CLUSTER_NAME}}
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TENANTS=${TENANTS:-200}
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NAMESPACES_PER_TENANT=${NAMESPACES_PER_TENANT:-3}
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PREFIX=${PREFIX:-stress}
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FIELD_MANAGER=${FIELD_MANAGER:-capsule-stress}
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kubectl config use-context "${KUBE_CONTEXT}" >/dev/null
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generate_tenants() {
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local tenant_number tenant_name
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for ((tenant_number = 1; tenant_number <= TENANTS; tenant_number++)); do
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printf -v tenant_name '%s-tenant-%04d' "${PREFIX}" "${tenant_number}"
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cat <<EOF
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---
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apiVersion: capsule.clastix.io/v1beta2
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kind: Tenant
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metadata:
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name: ${tenant_name}
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labels:
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projectcapsule.dev/stress: "true"
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projectcapsule.dev/stress-run: ${PREFIX}
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spec:
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owners:
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- name: ${tenant_name}-owner
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kind: User
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EOF
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done
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}
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generate_namespaces() {
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local tenant_number namespace_number tenant_name namespace_name
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for ((tenant_number = 1; tenant_number <= TENANTS; tenant_number++)); do
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printf -v tenant_name '%s-tenant-%04d' "${PREFIX}" "${tenant_number}"
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for ((namespace_number = 1; namespace_number <= NAMESPACES_PER_TENANT; namespace_number++)); do
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printf -v namespace_name '%s-ns-%02d' "${tenant_name}" "${namespace_number}"
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cat <<EOF
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---
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apiVersion: v1
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kind: Namespace
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metadata:
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name: ${namespace_name}
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labels:
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capsule.clastix.io/tenant: ${tenant_name}
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projectcapsule.dev/stress: "true"
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projectcapsule.dev/stress-run: ${PREFIX}
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EOF
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done
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done
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}
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echo "Applying ${TENANTS} Tenants"
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generate_tenants | kubectl apply \
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--server-side \
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--field-manager "${FIELD_MANAGER}" \
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--filename -
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kubectl wait tenant \
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--selector "projectcapsule.dev/stress-run=${PREFIX}" \
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--for condition=Ready \
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--timeout 10m
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echo "Applying $((TENANTS * NAMESPACES_PER_TENANT)) Namespaces"
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generate_namespaces | kubectl apply \
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--server-side \
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--field-manager "${FIELD_MANAGER}" \
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--filename -
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echo "Waiting for every Tenant to report ${NAMESPACES_PER_TENANT} namespaces"
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deadline=$((SECONDS + 900))
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while ((SECONDS < deadline)); do
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ready=$(kubectl get tenants \
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--selector "projectcapsule.dev/stress-run=${PREFIX}" \
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--output jsonpath="{range .items[?(@.status.size==${NAMESPACES_PER_TENANT})]}{.metadata.name}{'\n'}{end}" \
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| wc -l | tr -d ' ')
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if [[ "${ready}" == "${TENANTS}" ]]; then
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echo "Stress environment ready: ${TENANTS} Tenants, $((TENANTS * NAMESPACES_PER_TENANT)) Namespaces"
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exit 0
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fi
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echo "Tenants converged: ${ready}/${TENANTS}"
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sleep 5
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done
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echo "timed out waiting for Tenant namespace status convergence" >&2
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exit 1
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