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make webhook server certificate name and key name configurable 

Signed-off-by: lihanbo <lihanbo2@huawei.com>
This commit is contained in:
lihanbo 2022-03-10 15:14:06 +08:00
parent ad6b7971da
commit 1e79a269ac
2 changed files with 9 additions and 2 deletions
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9
cmd/webhook/app/options/options.go
View File

@ -21,8 +21,11 @@ type Options struct {
SecurePort int
// CertDir is the directory that contains the server key and certificate.
// if not set, webhook server would look up the server key and certificate in {TempDir}/k8s-webhook-server/serving-certs.
// The server key and certificate must be named `tls.key` and `tls.crt`, respectively.
CertDir string
// CertName is the server certificate name. Defaults to tls.crt.
CertName string
// KeyName is the server key name. Defaults to tls.key.
KeyName string
// TLSMinVersion is the minimum version of TLS supported. Possible values: 1.0, 1.1, 1.2, 1.3.
// Some environments have automated security scans that trigger on TLS versions or insecure cipher suites, and
// setting TLS to 1.3 would solve both problems.
@ -57,7 +60,9 @@ func (o *Options) AddFlags(flags *pflag.FlagSet) {
flags.IntVar(&o.SecurePort, "secure-port", defaultPort,
"The secure port on which to serve HTTPS.")
flags.StringVar(&o.CertDir, "cert-dir", defaultCertDir,
"The directory that contains the server key(named tls.key) and certificate(named tls.crt).")
"The directory that contains the server key and certificate.")
flags.StringVar(&o.CertName, "tls-cert-file-name", "tls.crt", "The name of server certificate.")
flags.StringVar(&o.KeyName, "tls-private-key-file-name", "tls.key", "The name of server key.")
flags.StringVar(&o.TLSMinVersion, "tls-min-version", defaultTLSMinVersion, "Minimum TLS version supported. Possible values: 1.0, 1.1, 1.2, 1.3.")
flags.Float32Var(&o.KubeAPIQPS, "kube-api-qps", 40.0, "QPS to use while talking with karmada-apiserver. Doesn't cover events and node heartbeat apis which rate limiting is controlled by a different set of flags.")
flags.IntVar(&o.KubeAPIBurst, "kube-api-burst", 60, "Burst to use while talking with karmada-apiserver. Doesn't cover events and node heartbeat apis which rate limiting is controlled by a different set of flags.")

2
cmd/webhook/app/webhook.go
View File

@ -80,6 +80,8 @@ func Run(ctx context.Context, opts *options.Options) error {
Host: opts.BindAddress,
Port: opts.SecurePort,
CertDir: opts.CertDir,
CertName: opts.CertName,
KeyName: opts.KeyName,
TLSMinVersion: opts.TLSMinVersion,
},
LeaderElection: false,