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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| #!/bin/bash | ||
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| # Copyright The Shipwright Contributors | ||
| # | ||
| # SPDX-License-Identifier: Apache-2.0 | ||
|
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| set -euo pipefail | ||
|
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| if ! hash jq >/dev/null 2>&1 ; then | ||
| echo "[ERROR] jq is not installed" | ||
| exit 1 | ||
| fi | ||
|
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| if ! hash openssl >/dev/null 2>&1 ; then | ||
| echo "[ERROR] openssl is not installed" | ||
| exit 1 | ||
| fi | ||
|
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| echo "[INFO] Generating key and signing request for Shipwright Build Webhook" | ||
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| cat <<EOF >/tmp/csr.conf | ||
| [req] | ||
| req_extensions = v3_req | ||
| distinguished_name = req_distinguished_name | ||
| [req_distinguished_name] | ||
| [ v3_req ] | ||
| basicConstraints = CA:FALSE | ||
| keyUsage = digitalSignature, keyEncipherment | ||
| extendedKeyUsage = serverAuth | ||
| subjectAltName = @alt_names | ||
| [alt_names] | ||
| DNS.1 = host.docker.internal | ||
| EOF | ||
|
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| openssl genrsa -out /tmp/server-key.pem 2048 | ||
| openssl req -new -days 365 -key /tmp/server-key.pem -subj "/O=system:nodes/CN=system:node:host.docker.internal" -out /tmp/server.csr -config /tmp/csr.conf | ||
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| echo "[INFO] Deleting previous CertificateSigningRequest" | ||
| kubectl delete csr shipwright-build-webhook-csr --ignore-not-found | ||
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| echo "[INFO] Create a CertificateSigningRequest" | ||
| cat <<EOF | kubectl create -f - | ||
| apiVersion: certificates.k8s.io/v1 | ||
| kind: CertificateSigningRequest | ||
| metadata: | ||
| name: shipwright-build-webhook-csr | ||
| spec: | ||
| groups: | ||
| - system:authenticated | ||
| request: $(base64 </tmp/server.csr | tr -d '\n') | ||
| signerName: kubernetes.io/kubelet-serving | ||
| usages: | ||
| - digital signature | ||
| - key encipherment | ||
| - server auth | ||
| EOF | ||
|
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| echo "[INFO] Approve the CertificateSigningRequest" | ||
| kubectl certificate approve shipwright-build-webhook-csr | ||
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| certificate="$(kubectl get csr shipwright-build-webhook-csr -o json | jq -r '.status.certificate')" | ||
| while [ "${certificate}" == "null" ]; do | ||
| echo "[INFO] Waiting for certificate to be ready" | ||
| sleep 1 | ||
| certificate="$(kubectl get csr shipwright-build-webhook-csr -o json | jq -r '.status.certificate')" | ||
| done | ||
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| openssl base64 -d -A -out /tmp/server-cert.pem <<<"${certificate}" | ||
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| echo "[INFO] Deleting the CertificateSigningRequest" | ||
| kubectl delete csr shipwright-build-webhook-csr --ignore-not-found | ||
| rm -rf /tmp/csr.conf | ||
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| echo "[INFO] Retrieving CABundle" | ||
| CA="$(kubectl get configmap -n kube-system extension-apiserver-authentication -o=jsonpath='{.data.client-ca-file}' | base64 | tr -d '\n')" | ||
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| echo "[INFO] Patching caBundle into CustomResourceDefinitions" | ||
| kubectl patch crd clusterbuildstrategies.shipwright.io --type=json -p "[{\"op\":\"replace\",\"path\":\"/spec/conversion/webhook/clientConfig\",\"value\":{\"caBundle\":\"${CA}\",\"url\":\"https://host.docker.internal:30443/convert\"}}]" | ||
| kubectl patch crd buildstrategies.shipwright.io --type=json -p "[{\"op\":\"replace\",\"path\":\"/spec/conversion/webhook/clientConfig\",\"value\":{\"caBundle\":\"${CA}\",\"url\":\"https://host.docker.internal:30443/convert\"}}]" | ||
| kubectl patch crd builds.shipwright.io --type=json -p "[{\"op\":\"replace\",\"path\":\"/spec/conversion/webhook/clientConfig\",\"value\":{\"caBundle\":\"${CA}\",\"url\":\"https://host.docker.internal:30443/convert\"}}]" | ||
| kubectl patch crd buildruns.shipwright.io --type=json -p "[{\"op\":\"replace\",\"path\":\"/spec/conversion/webhook/clientConfig\",\"value\":{\"caBundle\":\"${CA}\",\"url\":\"https://host.docker.internal:30443/convert\"}}]" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| // Copyright The Shipwright Contributors | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
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| package utils | ||
|
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| import ( | ||
| "context" | ||
| "crypto/tls" | ||
| "net/http" | ||
| "time" | ||
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| "github.com/shipwright-io/build/pkg/webhook/conversion" | ||
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| "github.com/onsi/ginkgo/v2" | ||
| "github.com/onsi/gomega" | ||
| ) | ||
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| func StartBuildWebhook() *http.Server { | ||
| mux := http.NewServeMux() | ||
| mux.HandleFunc("/convert", conversion.CRDConvertHandler(context.Background())) | ||
| mux.HandleFunc("/health", health) | ||
|
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| webhookServer := &http.Server{ | ||
| Addr: ":30443", | ||
| Handler: mux, | ||
| ReadHeaderTimeout: 32 * time.Second, | ||
| IdleTimeout: time.Second, | ||
| TLSConfig: &tls.Config{ | ||
| MinVersion: tls.VersionTLS12, | ||
| CurvePreferences: []tls.CurveID{tls.CurveP256, tls.CurveP384, tls.X25519}, | ||
| CipherSuites: []uint16{ | ||
| tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, | ||
| tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, | ||
| tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305, | ||
| tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, | ||
| tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, | ||
| tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305, | ||
| }, | ||
| }, | ||
| } | ||
|
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| // start server | ||
| go func() { | ||
| defer ginkgo.GinkgoRecover() | ||
|
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| if err := webhookServer.ListenAndServeTLS("/tmp/server-cert.pem", "/tmp/server-key.pem"); err != nil { | ||
| if err != http.ErrServerClosed { | ||
| gomega.Expect(err).ToNot(gomega.HaveOccurred()) | ||
| } | ||
| } | ||
| }() | ||
|
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| client := &http.Client{ | ||
| Transport: &http.Transport{ | ||
| IdleConnTimeout: 5 * time.Second, | ||
| ResponseHeaderTimeout: 5 * time.Second, | ||
| // #nosec:G402 test code | ||
| TLSClientConfig: &tls.Config{ | ||
| InsecureSkipVerify: true, | ||
| }, | ||
| TLSHandshakeTimeout: 5 * time.Second, | ||
| }, | ||
| } | ||
|
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| gomega.Eventually(func() int { | ||
| r, err := client.Get("https://localhost:30443/health") | ||
| if err != nil { | ||
| return 0 | ||
| } | ||
| if r != nil { | ||
| return r.StatusCode | ||
| } | ||
| return 0 | ||
| }).WithTimeout(10 * time.Second).Should(gomega.Equal(http.StatusNoContent)) | ||
|
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| return webhookServer | ||
| } | ||
|
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| func StopBuildWebhook(webhookServer *http.Server) { | ||
| err := webhookServer.Close() | ||
| gomega.Expect(err).ToNot(gomega.HaveOccurred()) | ||
|
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| client := &http.Client{ | ||
| Transport: &http.Transport{ | ||
| IdleConnTimeout: 5 * time.Second, | ||
| ResponseHeaderTimeout: 5 * time.Second, | ||
| // #nosec:G402 test code | ||
| TLSClientConfig: &tls.Config{ | ||
| InsecureSkipVerify: true, | ||
| }, | ||
| TLSHandshakeTimeout: 5 * time.Second, | ||
| }, | ||
| } | ||
|
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| gomega.Eventually(func() int { | ||
| r, err := client.Get("https://localhost:30443/health") | ||
| if err != nil { | ||
| return 0 | ||
| } | ||
| if r != nil { | ||
| return r.StatusCode | ||
| } | ||
| return 0 | ||
| }).WithTimeout(10 * time.Second).Should(gomega.Equal(0)) | ||
| } | ||
|
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| func health(resp http.ResponseWriter, _ *http.Request) { | ||
| resp.WriteHeader(http.StatusNoContent) | ||
| } |