Files
workshop/aula-13/benchmarks/benchmark-pull-only.sh
ArgoCD Setup e8c793058c refactor: remover todas as dependências do GitLab no workshop
- Aula 08: nginx-ingress TCP passthrough gitlab→gitea, comments
- Aula 09: add-client.sh API GitLab→Gitea
- Aula 11: node-bugado deployment image registry.kube.quest→gitea.kube.quest
- Aula 12: setup.sh/cleanup.sh API GitLab→Gitea, ArgoCD repoURL
- Aula 13: k8s manifests, benchmarks: registry.kube.quest→gitea.kube.quest,
           gitlab-registry→gitea-registry, GITLAB_TOKEN→GITEA_TOKEN
- Aula 14: comments GitLab→Gitea
- README raiz: arquitetura, tabela, DNS
2026-03-14 02:02:01 -03:00

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#!/bin/bash
# =============================================================================
# Benchmark de PULL: eStargz vs Traditional
# =============================================================================
#
# Mede apenas o tempo de PULL das imagens (não espera container ficar Ready)
# Executa em node limpo sem cache.
#
# =============================================================================
set -e
NAMESPACE="benchmark-pull"
ESTARGZ_IMAGE="gitea.kube.quest/factory/postgresql:17"
TRADITIONAL_IMAGE="postgres:17-alpine"
TARGET_NODE="worker-pool-6bea48339a15ab6e" # Node 128.140.11.113 - sem cache
echo "========================================================================"
echo "Benchmark de PULL: eStargz vs Traditional"
echo "========================================================================"
echo ""
echo "Target node: $TARGET_NODE (sem cache)"
echo ""
# Setup
kubectl delete namespace $NAMESPACE --ignore-not-found=true --wait=true 2>/dev/null || true
kubectl create namespace $NAMESPACE
kubectl create secret docker-registry gitea-registry \
--docker-server=gitea.kube.quest \
--docker-username=root \
--docker-password="${GITEA_TOKEN:-glpat-dummy}" \
-n $NAMESPACE 2>/dev/null || true
echo ""
echo "========================================================================"
echo "TESTE 1: Pull de Imagem Tradicional (gzip)"
echo "========================================================================"
cat <<EOF | kubectl apply -f -
apiVersion: v1
kind: Pod
metadata:
name: test-traditional
namespace: $NAMESPACE
spec:
nodeName: $TARGET_NODE
restartPolicy: Never
containers:
- name: postgres
image: $TRADITIONAL_IMAGE
imagePullPolicy: Always
command: ["sleep", "infinity"]
env:
- name: POSTGRES_PASSWORD
value: test
EOF
echo "Aguardando pull..."
sleep 2
while true; do
PULLED=$(kubectl get events -n $NAMESPACE --field-selector involvedObject.name=test-traditional,reason=Pulled -o jsonpath='{.items[0].message}' 2>/dev/null)
if [ -n "$PULLED" ]; then
echo "RESULTADO: $PULLED"
break
fi
PULLING=$(kubectl get events -n $NAMESPACE --field-selector involvedObject.name=test-traditional,reason=Pulling -o jsonpath='{.items[0].message}' 2>/dev/null)
if [ -n "$PULLING" ]; then
echo -n "."
fi
sleep 1
done
echo ""
echo "========================================================================"
echo "TESTE 2: Pull de Imagem eStargz (lazy pulling)"
echo "========================================================================"
cat <<EOF | kubectl apply -f -
apiVersion: v1
kind: Pod
metadata:
name: test-estargz
namespace: $NAMESPACE
spec:
nodeName: $TARGET_NODE
restartPolicy: Never
imagePullSecrets:
- name: gitea-registry
containers:
- name: postgres
image: $ESTARGZ_IMAGE
imagePullPolicy: Always
command: ["sleep", "infinity"]
env:
- name: POSTGRES_PASSWORD
value: test
EOF
echo "Aguardando pull..."
sleep 2
while true; do
PULLED=$(kubectl get events -n $NAMESPACE --field-selector involvedObject.name=test-estargz,reason=Pulled -o jsonpath='{.items[0].message}' 2>/dev/null)
if [ -n "$PULLED" ]; then
echo "RESULTADO: $PULLED"
break
fi
PULLING=$(kubectl get events -n $NAMESPACE --field-selector involvedObject.name=test-estargz,reason=Pulling -o jsonpath='{.items[0].message}' 2>/dev/null)
if [ -n "$PULLING" ]; then
echo -n "."
fi
sleep 1
done
echo ""
echo "========================================================================"
echo "RESUMO"
echo "========================================================================"
echo ""
echo "Todos os eventos de pull:"
kubectl get events -n $NAMESPACE --sort-by='.lastTimestamp' \
-o custom-columns='TIME:.lastTimestamp,REASON:.reason,POD:.involvedObject.name,MESSAGE:.message' \
| grep -E "Pull|pull"
echo ""
echo "Status dos pods:"
kubectl get pods -n $NAMESPACE -o wide
echo ""
echo "Para limpar: kubectl delete namespace $NAMESPACE"