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Add crowdsec-blocklist-import CronJob

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Import public threat intelligence blocklists into CrowdSec daily at 4 AM.
Uses kubectl exec to run the import script inside an existing CrowdSec
agent pod that is already registered with the LAPI.

Source: https://github.com/wolffcatskyy/crowdsec-blocklist-import

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This commit is contained in:
Viktor Barzin 2026-01-28 20:11:17 +00:00
parent 3d7190e935
commit 751b83a53c
1 changed files with 141 additions and 0 deletions
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141
modules/kubernetes/crowdsec/main.tf
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@ -202,3 +202,144 @@ module "ingress" {
rybbit_site_id = "d09137795ccc"
}
# CronJob to import public blocklists into CrowdSec
# https://github.com/wolffcatskyy/crowdsec-blocklist-import
# Uses kubectl exec to run in an existing CrowdSec agent pod that's already registered
resource "kubernetes_cron_job_v1" "crowdsec_blocklist_import" {
metadata {
name = "crowdsec-blocklist-import"
namespace = kubernetes_namespace.crowdsec.metadata[0].name
labels = {
app = "crowdsec-blocklist-import"
tier = var.tier
}
}
spec {
# Run daily at 4 AM
schedule = "0 4 * * *"
timezone = "Europe/London"
concurrency_policy = "Forbid"
successful_jobs_history_limit = 3
failed_jobs_history_limit = 3
job_template {
metadata {
labels = {
app = "crowdsec-blocklist-import"
}
}
spec {
backoff_limit = 3
template {
metadata {
labels = {
app = "crowdsec-blocklist-import"
}
}
spec {
service_account_name = kubernetes_service_account.blocklist_import.metadata[0].name
restart_policy = "OnFailure"
container {
name = "blocklist-import"
image = "bitnami/kubectl:latest"
command = ["/bin/bash", "-c"]
args = [
<<-EOF
set -e
echo "Finding CrowdSec agent pod..."
AGENT_POD=$(kubectl get pods -n crowdsec -l k8s-app=crowdsec,type=agent -o jsonpath='{.items[0].metadata.name}')
if [ -z "$AGENT_POD" ]; then
echo "ERROR: Could not find CrowdSec agent pod"
exit 1
fi
echo "Using agent pod: $AGENT_POD"
# Download the import script
echo "Downloading blocklist import script..."
curl -fsSL -o /tmp/import.sh \
https://raw.githubusercontent.com/wolffcatskyy/crowdsec-blocklist-import/main/import.sh
chmod +x /tmp/import.sh
# Copy script to agent pod and execute
echo "Copying script to agent pod and executing..."
kubectl cp /tmp/import.sh crowdsec/$AGENT_POD:/tmp/import.sh
kubectl exec -n crowdsec "$AGENT_POD" -- /bin/bash -c '
set -e
# Run with native mode since we are inside the CrowdSec container
export MODE=native
export DECISION_DURATION=24h
export FETCH_TIMEOUT=60
export LOG_LEVEL=INFO
/tmp/import.sh
# Cleanup
rm -f /tmp/import.sh
'
echo "Blocklist import completed successfully!"
EOF
]
}
}
}
}
}
}
}
# Service account for the blocklist import job (needs kubectl exec permissions)
resource "kubernetes_service_account" "blocklist_import" {
metadata {
name = "crowdsec-blocklist-import"
namespace = kubernetes_namespace.crowdsec.metadata[0].name
}
}
resource "kubernetes_role" "blocklist_import" {
metadata {
name = "crowdsec-blocklist-import"
namespace = kubernetes_namespace.crowdsec.metadata[0].name
}
rule {
api_groups = [""]
resources = ["pods"]
verbs = ["get", "list"]
}
rule {
api_groups = [""]
resources = ["pods/exec"]
verbs = ["create"]
}
}
resource "kubernetes_role_binding" "blocklist_import" {
metadata {
name = "crowdsec-blocklist-import"
namespace = kubernetes_namespace.crowdsec.metadata[0].name
}
role_ref {
api_group = "rbac.authorization.k8s.io"
kind = "Role"
name = kubernetes_role.blocklist_import.metadata[0].name
}
subject {
kind = "ServiceAccount"
name = kubernetes_service_account.blocklist_import.metadata[0].name
namespace = kubernetes_namespace.crowdsec.metadata[0].name
}
}