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jsonnet: disable insecure cypher suites for prometheus-adapter

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Running sslscan against the prometheus adapter secure port reports two
insecure SSL ciphers, ECDHE-RSA-DES-CBC3-SHA and DES-CBC3-SHA.

This commit removes those ciphers from the list.

Signed-off-by: fpetkovski <filip.petkovsky@gmail.com>
This commit is contained in:
fpetkovski
2021-06-22 10:40:34 +02:00
parent 466eb7953f
commit 0ff173efea
2 changed files with 19 additions and 0 deletions
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18
jsonnet/kube-prometheus/components/prometheus-adapter.libsonnet
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@@ -53,6 +53,23 @@ local defaults = {
window: '5m',
},
},
tlsCipherSuites: [
'TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305',
'TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305',
'TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256',
'TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384',
'TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256',
'TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384',
'TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA',
'TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256',
'TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA',
'TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA',
'TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA',
'TLS_RSA_WITH_AES_128_GCM_SHA256',
'TLS_RSA_WITH_AES_256_GCM_SHA384',
'TLS_RSA_WITH_AES_128_CBC_SHA',
'TLS_RSA_WITH_AES_256_CBC_SHA',
],
};
function(params) {
@@ -145,6 +162,7 @@ function(params) {
'--metrics-relist-interval=1m',
'--prometheus-url=' + pa._config.prometheusURL,
'--secure-port=6443',
'--tls-cipher-suites=' + std.join(',', pa._config.tlsCipherSuites),
],
ports: [{ containerPort: 6443 }],
volumeMounts: [