mirror of
https://github.com/ilyakooo0/nixpkgs.git
synced 2024-12-27 13:57:10 +03:00
kubernetes: add tests
This commit is contained in:
Matej Cotman
Robin Gloster
parent
ed322f4235
commit
7f9d1a7aaf
229
nixos/tests/kubernetes/certs.nix
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229
nixos/tests/kubernetes/certs.nix
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@ -0,0 +1,229 @@
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{
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pkgs ? import <nixpkgs> {},
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servers ? {test = "1.2.3.4";},
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internalDomain ? "cluster.local",
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externalDomain ? "nixos.xyz"
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}:
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let
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mkAltNames = ipFrom: dnsFrom:
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pkgs.lib.concatImapStringsSep "\n" (i: v: "IP.${toString (i+ipFrom)} = ${v.ip}\nDNS.${toString (i+dnsFrom)} = ${v.name}.${externalDomain}") (pkgs.lib.mapAttrsToList (n: v: {name = n; ip = v;}) servers);
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runWithOpenSSL = file: cmd: pkgs.runCommand file {
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buildInputs = [ pkgs.openssl ];
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passthru = { inherit file; };
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} cmd;
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ca_key = runWithOpenSSL "ca-key.pem" "openssl genrsa -out $out 2048";
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ca_pem = runWithOpenSSL "ca.pem" ''
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openssl req \
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-x509 -new -nodes -key ${ca_key} \
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-days 10000 -out $out -subj "/CN=etcd-ca"
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'';
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etcd_cnf = pkgs.writeText "openssl.cnf" ''
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[req]
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req_extensions = v3_req
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distinguished_name = req_distinguished_name
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[req_distinguished_name]
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[ v3_req ]
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basicConstraints = CA:FALSE
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keyUsage = digitalSignature, keyEncipherment
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extendedKeyUsage = serverAuth
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subjectAltName = @alt_names
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[alt_names]
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DNS.1 = etcd.kubernetes.${externalDomain}
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IP.1 = 127.0.0.1
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'';
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etcd_key = runWithOpenSSL "etcd-key.pem" "openssl genrsa -out $out 2048";
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etcd_csr = runWithOpenSSL "etcd.csr" ''
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openssl req \
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-new -key ${etcd_key} \
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-out $out -subj "/CN=etcd" \
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-config ${etcd_cnf}
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'';
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etcd_cert = runWithOpenSSL "etcd.pem" ''
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openssl x509 \
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-req -in ${etcd_csr} \
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-CA ${ca_pem} -CAkey ${ca_key} \
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-CAcreateserial -out $out \
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-days 3650 -extensions v3_req \
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-extfile ${etcd_cnf}
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'';
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etcd_client_key = runWithOpenSSL "etcd-client-key.pem"
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"openssl genrsa -out $out 2048";
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etcd_client_csr = runWithOpenSSL "etcd-client.csr" ''
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openssl req \
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-new -key ${etcd_client_key} \
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-out $out -subj "/CN=etcd-client" \
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-config ${client_openssl_cnf}
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'';
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etcd_client_cert = runWithOpenSSL "etcd-client.crt" ''
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openssl x509 \
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-req -in ${etcd_client_csr} \
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-CA ${ca_pem} -CAkey ${ca_key} -CAcreateserial \
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-out $out -days 3650 -extensions v3_req \
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-extfile ${client_openssl_cnf}
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'';
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admin_key = runWithOpenSSL "admin-key.pem"
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"openssl genrsa -out $out 2048";
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admin_csr = runWithOpenSSL "admin.csr" ''
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openssl req \
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-new -key ${admin_key} \
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-out $out -subj "/CN=admin/O=system:masters" \
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-config ${client_openssl_cnf}
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'';
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admin_cert = runWithOpenSSL "admin.crt" ''
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openssl x509 \
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-req -in ${admin_csr} \
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-CA ${ca_pem} -CAkey ${ca_key} -CAcreateserial \
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-out $out -days 3650 -extensions v3_req \
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-extfile ${client_openssl_cnf}
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'';
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apiserver_key = runWithOpenSSL "apiserver-key.pem" "openssl genrsa -out $out 2048";
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apiserver_csr = runWithOpenSSL "apiserver.csr" ''
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openssl req \
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-new -key ${apiserver_key} \
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-out $out -subj "/CN=kube-apiserver" \
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-config ${apiserver_cnf}
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'';
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apiserver_cert = runWithOpenSSL "apiserver.pem" ''
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openssl x509 \
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-req -in ${apiserver_csr} \
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-CA ${ca_pem} -CAkey ${ca_key} -CAcreateserial \
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-out $out -days 3650 -extensions v3_req \
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-extfile ${apiserver_cnf}
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'';
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worker_key = runWithOpenSSL "worker-key.pem" "openssl genrsa -out $out 2048";
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worker_csr = runWithOpenSSL "worker.csr" ''
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openssl req \
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-new -key ${worker_key} \
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-out $out -subj "/CN=kube-worker/O=system:authenticated" \
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-config ${worker_cnf}
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'';
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worker_cert = runWithOpenSSL "worker.pem" ''
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openssl x509 \
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-req -in ${worker_csr} \
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-CA ${ca_pem} -CAkey ${ca_key} -CAcreateserial \
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-out $out -days 3650 -extensions v3_req \
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-extfile ${worker_cnf}
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'';
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openssl_cnf = pkgs.writeText "openssl.cnf" ''
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[req]
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req_extensions = v3_req
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distinguished_name = req_distinguished_name
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[req_distinguished_name]
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[ v3_req ]
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basicConstraints = CA:FALSE
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keyUsage = digitalSignature, keyEncipherment
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extendedKeyUsage = serverAuth
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subjectAltName = @alt_names
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[alt_names]
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DNS.1 = *.cluster.${externalDomain}
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IP.1 = 127.0.0.1
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${mkAltNames 1 1}
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'';
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client_openssl_cnf = pkgs.writeText "client-openssl.cnf" ''
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[req]
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req_extensions = v3_req
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distinguished_name = req_distinguished_name
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[req_distinguished_name]
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[ v3_req ]
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basicConstraints = CA:FALSE
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keyUsage = digitalSignature, keyEncipherment
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extendedKeyUsage = clientAuth
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subjectAltName = @alt_names
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[alt_names]
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DNS.1 = kubernetes
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DNS.2 = kubernetes.default
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DNS.3 = kubernetes.default.svc
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DNS.4 = kubernetes.default.svc.${internalDomain}
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DNS.5 = kubernetes.${externalDomain}
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DNS.6 = *.cluster.${externalDomain}
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IP.1 = 10.1.10.1
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${mkAltNames 1 6}
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'';
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apiserver_cnf = pkgs.writeText "apiserver-openssl.cnf" ''
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[req]
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req_extensions = v3_req
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distinguished_name = req_distinguished_name
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[req_distinguished_name]
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[ v3_req ]
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basicConstraints = CA:FALSE
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keyUsage = nonRepudiation, digitalSignature, keyEncipherment
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extendedKeyUsage = serverAuth
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subjectAltName = @alt_names
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[alt_names]
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DNS.1 = kubernetes
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DNS.2 = kubernetes.default
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DNS.3 = kubernetes.default.svc
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DNS.4 = kubernetes.default.svc.${internalDomain}
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DNS.5 = kubernetes.${externalDomain}
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DNS.6 = *.cluster.${externalDomain}
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IP.1 = 10.1.10.1
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${mkAltNames 1 6}
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'';
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worker_cnf = pkgs.writeText "worker-openssl.cnf" ''
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[req]
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req_extensions = v3_req
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distinguished_name = req_distinguished_name
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[req_distinguished_name]
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[ v3_req ]
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basicConstraints = CA:FALSE
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keyUsage = nonRepudiation, digitalSignature, keyEncipherment
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subjectAltName = @alt_names
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[alt_names]
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DNS.1 = *.cluster.${externalDomain}
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IP.1 = 10.1.10.1
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${mkAltNames 1 1}
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'';
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ln = cert: target: ''
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cp -v ${cert} ${target}/${cert.file}
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'';
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in
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pkgs.stdenv.mkDerivation rec {
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name = "kubernetes-certs";
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unpackPhase = "true";
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installPhase = ''
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set -xe
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mkdir -p $out
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${ln ca_key "$out"}
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${ln ca_pem "$out"}
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${ln etcd_key "$out"}
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${ln etcd_csr "$out"}
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${ln etcd_cert "$out"}
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${ln etcd_client_key "$out"}
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${ln etcd_client_csr "$out"}
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${ln etcd_client_cert "$out"}
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${ln apiserver_key "$out"}
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${ln apiserver_csr "$out"}
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${ln apiserver_cert "$out"}
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${ln worker_key "$out"}
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${ln worker_csr "$out"}
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${ln worker_cert "$out"}
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${ln admin_key "$out"}
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${ln admin_csr "$out"}
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${ln admin_cert "$out"}
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'';
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}
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7
nixos/tests/kubernetes/default.nix
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7
nixos/tests/kubernetes/default.nix
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@ -0,0 +1,7 @@
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{ }:
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{
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kubernetes-singlenode = import ./singlenode.nix {};
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kubernetes-multinode-kubectl = import ./multinode-kubectl.nix {};
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kubernetes-rbac = import ./rbac.nix {};
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kubernetes-dns = import ./dns.nix {};
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}
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103
nixos/tests/kubernetes/dns.nix
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103
nixos/tests/kubernetes/dns.nix
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@ -0,0 +1,103 @@
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{ system ? builtins.currentSystem }:
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with import ../../lib/testing.nix { inherit system; };
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with import ../../lib/qemu-flags.nix;
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with pkgs.lib;
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let
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servers.master = "192.168.1.1";
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servers.one = "192.168.1.10";
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certs = import ./certs.nix { inherit servers; };
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redisPod = pkgs.writeText "redis-master-pod.json" (builtins.toJSON {
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kind = "Pod";
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apiVersion = "v1";
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metadata.name = "redis";
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metadata.labels.name = "redis";
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spec.containers = [{
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name = "redis";
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image = "redis";
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args = ["--bind" "0.0.0.0"];
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imagePullPolicy = "Never";
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ports = [{
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name = "redis-server";
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containerPort = 6379;
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}];
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}];
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});
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redisService = pkgs.writeText "redis-service.json" (builtins.toJSON {
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kind = "Service";
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apiVersion = "v1";
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metadata.name = "redis";
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spec = {
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ports = [{port = 6379; targetPort = 6379;}];
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selector = {name = "redis";};
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};
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});
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redisImage = pkgs.dockerTools.buildImage {
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name = "redis";
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tag = "latest";
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contents = [ pkgs.redis pkgs.bind.dnsutils pkgs.coreutils pkgs.inetutils pkgs.nmap ];
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config.Entrypoint = "/bin/redis-server";
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};
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test = ''
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$master->waitUntilSucceeds("kubectl get node master.nixos.xyz | grep Ready");
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$master->waitUntilSucceeds("kubectl get node one.nixos.xyz | grep Ready");
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$one->execute("docker load < ${redisImage}");
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$master->waitUntilSucceeds("kubectl create -f ${redisPod} || kubectl apply -f ${redisPod}");
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$master->waitUntilSucceeds("kubectl create -f ${redisService} || kubectl apply -f ${redisService}");
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$master->waitUntilSucceeds("kubectl get pod redis | grep Running");
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$master->succeed("dig \@192.168.1.1 redis.default.svc.cluster.local");
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$one->succeed("dig \@192.168.1.10 redis.default.svc.cluster.local");
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$master->succeed("kubectl exec -ti redis -- cat /etc/resolv.conf | grep 'nameserver 192.168.1.10'");
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$master->succeed("kubectl exec -ti redis -- dig \@192.168.1.10 redis.default.svc.cluster.local");
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'';
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in makeTest {
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name = "kubernetes-dns";
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nodes = {
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master =
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{ config, pkgs, lib, nodes, ... }:
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mkMerge [
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{
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virtualisation.memorySize = 768;
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virtualisation.diskSize = 4096;
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networking.interfaces.eth1.ip4 = mkForce [{address = servers.master; prefixLength = 24;}];
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networking.primaryIPAddress = mkForce servers.master;
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}
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(import ./kubernetes-common.nix { inherit pkgs config certs servers; })
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(import ./kubernetes-master.nix { inherit pkgs config certs; })
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];
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one =
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{ config, pkgs, lib, nodes, ... }:
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mkMerge [
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{
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virtualisation.memorySize = 768;
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virtualisation.diskSize = 4096;
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networking.interfaces.eth1.ip4 = mkForce [{address = servers.one; prefixLength = 24;}];
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networking.primaryIPAddress = mkForce servers.one;
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services.kubernetes.roles = ["node"];
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}
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(import ./kubernetes-common.nix { inherit pkgs config certs servers; })
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];
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};
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testScript = ''
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startAll;
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${test}
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'';
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}
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131
nixos/tests/kubernetes/kubernetes-common.nix
Normal file
131
nixos/tests/kubernetes/kubernetes-common.nix
Normal file
@ -0,0 +1,131 @@
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{ config, pkgs, certs, servers }:
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let
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etcd_key = "${certs}/etcd-key.pem";
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etcd_cert = "${certs}/etcd.pem";
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ca_pem = "${certs}/ca.pem";
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etcd_client_cert = "${certs}/etcd-client.crt";
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etcd_client_key = "${certs}/etcd-client-key.pem";
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worker_key = "${certs}/worker-key.pem";
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worker_cert = "${certs}/worker.pem";
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mkDockerOpts = "${pkgs.kubernetes.src}/cluster/centos/node/bin/mk-docker-opts.sh";
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rootCaFile = pkgs.writeScript "rootCaFile.pem" ''
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${pkgs.lib.readFile "${certs}/ca.pem"}
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${pkgs.lib.readFile ("${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt")}
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'';
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mkHosts =
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pkgs.lib.concatMapStringsSep "\n" (v: "${v.ip} ${v.name}.nixos.xyz") (pkgs.lib.mapAttrsToList (n: v: {name = n; ip = v;}) servers);
|
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|
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in
|
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{
|
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programs.bash.enableCompletion = true;
|
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environment.systemPackages = with pkgs; [ netcat bind etcd.bin ];
|
||||
|
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networking = {
|
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firewall = {
|
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enable = true;
|
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allowedTCPPorts = [
|
||||
10250 80 443
|
||||
];
|
||||
allowedUDPPorts = [
|
||||
8285 # flannel udp
|
||||
8472 # flannel vxlan
|
||||
];
|
||||
};
|
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extraHosts = ''
|
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# register "external" domains
|
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${servers.master} etcd.kubernetes.nixos.xyz
|
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${servers.master} kubernetes.nixos.xyz
|
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${mkHosts}
|
||||
'';
|
||||
};
|
||||
virtualisation.docker.extraOptions = ''
|
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--iptables=false $DOCKER_OPTS
|
||||
'';
|
||||
|
||||
# lets create environment file for docker startup - network stuff
|
||||
systemd.services."pre-docker" = {
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||||
description = "Pre-Docker Actions";
|
||||
wantedBy = [ "flannel.service" ];
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before = [ "docker.service" ];
|
||||
after = [ "flannel.service" ];
|
||||
path = [ pkgs.gawk pkgs.gnugrep ];
|
||||
script = ''
|
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mkdir -p /run/flannel
|
||||
# bashInteractive needed for `compgen`
|
||||
${pkgs.bashInteractive}/bin/bash ${mkDockerOpts} -d /run/flannel/docker
|
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cat /run/flannel/docker # just for debugging
|
||||
|
||||
# allow container to host communication for DNS traffic
|
||||
${pkgs.iptables}/bin/iptables -I nixos-fw -p tcp -m tcp -i docker0 --dport 53 -j nixos-fw-accept
|
||||
${pkgs.iptables}/bin/iptables -I nixos-fw -p udp -m udp -i docker0 --dport 53 -j nixos-fw-accept
|
||||
'';
|
||||
serviceConfig.Type = "simple";
|
||||
};
|
||||
systemd.services.docker.serviceConfig.EnvironmentFile = "/run/flannel/docker";
|
||||
|
||||
services.flannel = {
|
||||
enable = true;
|
||||
network = "10.2.0.0/16";
|
||||
iface = "eth1";
|
||||
etcd = {
|
||||
endpoints = ["https://etcd.kubernetes.nixos.xyz:2379"];
|
||||
keyFile = etcd_client_key;
|
||||
certFile = etcd_client_cert;
|
||||
caFile = ca_pem;
|
||||
};
|
||||
};
|
||||
environment.variables = {
|
||||
ETCDCTL_CERT_FILE = "${etcd_client_cert}";
|
||||
ETCDCTL_KEY_FILE = "${etcd_client_key}";
|
||||
ETCDCTL_CA_FILE = "${rootCaFile}";
|
||||
ETCDCTL_PEERS = "https://etcd.kubernetes.nixos.xyz:2379";
|
||||
};
|
||||
|
||||
services.kubernetes = {
|
||||
kubelet = {
|
||||
networkPlugin = "cni";
|
||||
cni.config = [{
|
||||
name = "mynet";
|
||||
type = "flannel";
|
||||
delegate = {
|
||||
isDefaultGateway = true;
|
||||
bridge = "docker0";
|
||||
};
|
||||
}];
|
||||
tlsKeyFile = worker_key;
|
||||
tlsCertFile = worker_cert;
|
||||
hostname = "${config.networking.hostName}.nixos.xyz";
|
||||
extraOpts = "--node-ip ${config.networking.primaryIPAddress}";
|
||||
clusterDns = config.networking.primaryIPAddress;
|
||||
};
|
||||
etcd = {
|
||||
servers = ["https://etcd.kubernetes.nixos.xyz:2379"];
|
||||
keyFile = etcd_client_key;
|
||||
certFile = etcd_client_cert;
|
||||
caFile = ca_pem;
|
||||
};
|
||||
kubeconfig = {
|
||||
server = "https://kubernetes.nixos.xyz:4443";
|
||||
caFile = rootCaFile;
|
||||
certFile = worker_cert;
|
||||
keyFile = worker_key;
|
||||
};
|
||||
|
||||
# make sure you cover kubernetes.apiserver.portalNet and flannel networks
|
||||
clusterCidr = "10.0.0.0/8";
|
||||
|
||||
dns.enable = true;
|
||||
dns.port = 4453;
|
||||
};
|
||||
|
||||
services.dnsmasq.enable = true;
|
||||
services.dnsmasq.servers = ["/${config.services.kubernetes.dns.domain}/127.0.0.1#4453"];
|
||||
|
||||
virtualisation.docker.enable = true;
|
||||
virtualisation.docker.storageDriver = "overlay";
|
||||
}
|
||||
148
nixos/tests/kubernetes/kubernetes-master.nix
Normal file
148
nixos/tests/kubernetes/kubernetes-master.nix
Normal file
@ -0,0 +1,148 @@
|
||||
{ config, pkgs, certs }:
|
||||
let
|
||||
etcd_key = "${certs}/etcd-key.pem";
|
||||
etcd_cert = "${certs}/etcd.pem";
|
||||
ca_pem = "${certs}/ca.pem";
|
||||
etcd_client_cert = "${certs}/etcd-client.crt";
|
||||
etcd_client_key = "${certs}/etcd-client-key.pem";
|
||||
|
||||
apiserver_key = "${certs}/apiserver-key.pem";
|
||||
apiserver_cert = "${certs}/apiserver.pem";
|
||||
worker_key = "${certs}/worker-key.pem";
|
||||
worker_cert = "${certs}/worker.pem";
|
||||
|
||||
|
||||
rootCaFile = pkgs.writeScript "rootCaFile.pem" ''
|
||||
${pkgs.lib.readFile "${certs}/ca.pem"}
|
||||
|
||||
${pkgs.lib.readFile ("${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt")}
|
||||
'';
|
||||
in
|
||||
{
|
||||
networking = {
|
||||
firewall = {
|
||||
enable = true;
|
||||
allowPing = true;
|
||||
allowedTCPPorts = [
|
||||
2379 2380 # etcd
|
||||
4443 # kubernetes
|
||||
];
|
||||
};
|
||||
};
|
||||
|
||||
services.etcd = {
|
||||
enable = pkgs.lib.mkForce true;
|
||||
keyFile = etcd_key;
|
||||
certFile = etcd_cert;
|
||||
trustedCaFile = rootCaFile;
|
||||
peerClientCertAuth = true;
|
||||
listenClientUrls = ["https://0.0.0.0:2379"];
|
||||
listenPeerUrls = ["https://0.0.0.0:2380"];
|
||||
|
||||
advertiseClientUrls = ["https://etcd.kubernetes.nixos.xyz:2379"];
|
||||
initialCluster = ["master=https://etcd.kubernetes.nixos.xyz:2380"];
|
||||
initialAdvertisePeerUrls = ["https://etcd.kubernetes.nixos.xyz:2380"];
|
||||
};
|
||||
services.kubernetes = {
|
||||
roles = ["master"];
|
||||
scheduler.leaderElect = true;
|
||||
controllerManager.leaderElect = true;
|
||||
controllerManager.rootCaFile = rootCaFile;
|
||||
controllerManager.serviceAccountKeyFile = apiserver_key;
|
||||
apiserver = {
|
||||
securePort = 4443;
|
||||
publicAddress = "192.168.1.1";
|
||||
advertiseAddress = "192.168.1.1";
|
||||
tlsKeyFile = apiserver_key;
|
||||
tlsCertFile = apiserver_cert;
|
||||
clientCaFile = rootCaFile;
|
||||
kubeletClientCaFile = rootCaFile;
|
||||
kubeletClientKeyFile = worker_key;
|
||||
kubeletClientCertFile = worker_cert;
|
||||
portalNet = "10.1.10.0/24"; # --service-cluster-ip-range
|
||||
runtimeConfig = "";
|
||||
/*extraOpts = "--v=2";*/
|
||||
authorizationMode = ["ABAC"];
|
||||
authorizationPolicy = [
|
||||
{
|
||||
apiVersion = "abac.authorization.kubernetes.io/v1beta1";
|
||||
kind = "Policy";
|
||||
spec = {
|
||||
user = "kubecfg";
|
||||
namespace = "*";
|
||||
resource = "*";
|
||||
apiGroup = "*";
|
||||
nonResourcePath = "*";
|
||||
};
|
||||
}
|
||||
{
|
||||
apiVersion = "abac.authorization.kubernetes.io/v1beta1";
|
||||
kind = "Policy";
|
||||
spec = {
|
||||
user = "kubelet";
|
||||
namespace = "*";
|
||||
resource = "*";
|
||||
apiGroup = "*";
|
||||
nonResourcePath = "*";
|
||||
};
|
||||
}
|
||||
{
|
||||
apiVersion = "abac.authorization.kubernetes.io/v1beta1";
|
||||
kind = "Policy";
|
||||
spec = {
|
||||
user = "kube-worker";
|
||||
namespace = "*";
|
||||
resource = "*";
|
||||
apiGroup = "*";
|
||||
nonResourcePath = "*";
|
||||
};
|
||||
}
|
||||
{
|
||||
apiVersion = "abac.authorization.kubernetes.io/v1beta1";
|
||||
kind = "Policy";
|
||||
spec = {
|
||||
user = "kube_proxy";
|
||||
namespace = "*";
|
||||
resource = "*";
|
||||
apiGroup = "*";
|
||||
nonResourcePath = "*";
|
||||
};
|
||||
}
|
||||
{
|
||||
apiVersion = "abac.authorization.kubernetes.io/v1beta1";
|
||||
kind = "Policy";
|
||||
spec = {
|
||||
user = "client";
|
||||
namespace = "*";
|
||||
resource = "*";
|
||||
apiGroup = "*";
|
||||
nonResourcePath = "*";
|
||||
};
|
||||
}
|
||||
{
|
||||
apiVersion = "abac.authorization.kubernetes.io/v1beta1";
|
||||
kind = "Policy";
|
||||
spec = {
|
||||
group = "system:serviceaccounts";
|
||||
namespace = "*";
|
||||
resource = "*";
|
||||
apiGroup = "*";
|
||||
nonResourcePath = "*";
|
||||
};
|
||||
}
|
||||
{
|
||||
apiVersion = "abac.authorization.kubernetes.io/v1beta1";
|
||||
kind = "Policy";
|
||||
spec = {
|
||||
group = "system:authenticated";
|
||||
readonly = true;
|
||||
namespace = "*";
|
||||
resource = "*";
|
||||
apiGroup = "*";
|
||||
nonResourcePath = "*";
|
||||
};
|
||||
}
|
||||
];
|
||||
};
|
||||
};
|
||||
}
|
||||
147
nixos/tests/kubernetes/multinode-kubectl.nix
Normal file
147
nixos/tests/kubernetes/multinode-kubectl.nix
Normal file
@ -0,0 +1,147 @@
|
||||
{ system ? builtins.currentSystem }:
|
||||
|
||||
with import ../../lib/testing.nix { inherit system; };
|
||||
with import ../../lib/qemu-flags.nix;
|
||||
with pkgs.lib;
|
||||
|
||||
let
|
||||
servers.master = "192.168.1.1";
|
||||
servers.one = "192.168.1.10";
|
||||
servers.two = "192.168.1.20";
|
||||
servers.three = "192.168.1.30";
|
||||
|
||||
certs = import ./certs.nix { inherit servers; };
|
||||
|
||||
kubectlPod = pkgs.writeText "kubectl-pod.json" (builtins.toJSON {
|
||||
kind = "Pod";
|
||||
apiVersion = "v1";
|
||||
metadata.name = "kubectl";
|
||||
metadata.labels.name = "kubectl";
|
||||
spec.containers = [{
|
||||
name = "kubectl";
|
||||
image = "kubectl:latest";
|
||||
command = ["${pkgs.busybox}/bin/tail" "-f"];
|
||||
imagePullPolicy = "Never";
|
||||
tty = true;
|
||||
}];
|
||||
});
|
||||
|
||||
kubectlImage = pkgs.dockerTools.buildImage {
|
||||
name = "kubectl";
|
||||
tag = "latest";
|
||||
contents = [ pkgs.kubernetes pkgs.busybox certs kubeconfig ];
|
||||
config.Entrypoint = "${pkgs.busybox}/bin/sh";
|
||||
};
|
||||
|
||||
kubeconfig = pkgs.writeTextDir "kubeconfig.json" (builtins.toJSON {
|
||||
apiVersion = "v1";
|
||||
kind = "Config";
|
||||
clusters = [{
|
||||
name = "local";
|
||||
cluster.certificate-authority = "/ca.pem";
|
||||
cluster.server = "https://${servers.master}:4443/";
|
||||
}];
|
||||
users = [{
|
||||
name = "kubelet";
|
||||
user = {
|
||||
client-certificate = "/admin.crt";
|
||||
client-key = "/admin-key.pem";
|
||||
};
|
||||
}];
|
||||
contexts = [{
|
||||
context = {
|
||||
cluster = "local";
|
||||
user = "kubelet";
|
||||
};
|
||||
current-context = "kubelet-context";
|
||||
}];
|
||||
});
|
||||
|
||||
test = ''
|
||||
$master->waitUntilSucceeds("kubectl get node master.nixos.xyz | grep Ready");
|
||||
$master->waitUntilSucceeds("kubectl get node one.nixos.xyz | grep Ready");
|
||||
$master->waitUntilSucceeds("kubectl get node two.nixos.xyz | grep Ready");
|
||||
$master->waitUntilSucceeds("kubectl get node three.nixos.xyz | grep Ready");
|
||||
|
||||
$one->execute("docker load < ${kubectlImage}");
|
||||
$two->execute("docker load < ${kubectlImage}");
|
||||
$three->execute("docker load < ${kubectlImage}");
|
||||
|
||||
$master->waitUntilSucceeds("kubectl create -f ${kubectlPod} || kubectl apply -f ${kubectlPod}");
|
||||
|
||||
$master->waitUntilSucceeds("kubectl get pod kubectl | grep Running");
|
||||
|
||||
$master->succeed("kubectl exec -ti kubectl -- kubectl --kubeconfig=/kubeconfig.json version");
|
||||
'';
|
||||
|
||||
in makeTest {
|
||||
name = "kubernetes-multinode-kubectl";
|
||||
|
||||
nodes = {
|
||||
master =
|
||||
{ config, pkgs, lib, nodes, ... }:
|
||||
mkMerge [
|
||||
{
|
||||
virtualisation.memorySize = 768;
|
||||
virtualisation.diskSize = 4096;
|
||||
# networking.hostName = mkForce "master";
|
||||
networking.interfaces.eth1.ip4 = mkForce [{address = servers.master; prefixLength = 24;}];
|
||||
# networking.nat.externalIP = "192.168.1.1";
|
||||
networking.primaryIPAddress = mkForce servers.master;
|
||||
}
|
||||
(import ./kubernetes-common.nix { inherit pkgs config certs servers; })
|
||||
(import ./kubernetes-master.nix { inherit pkgs config certs; })
|
||||
];
|
||||
|
||||
one =
|
||||
{ config, pkgs, lib, nodes, ... }:
|
||||
mkMerge [
|
||||
{
|
||||
virtualisation.memorySize = 768;
|
||||
virtualisation.diskSize = 4096;
|
||||
# networking.hostName = mkForce "one";
|
||||
networking.interfaces.eth1.ip4 = mkForce [{address = servers.one; prefixLength = 24;}];
|
||||
# networking.nat.externalIP = "192.168.1.2";
|
||||
networking.primaryIPAddress = mkForce servers.one;
|
||||
services.kubernetes.roles = ["node"];
|
||||
}
|
||||
(import ./kubernetes-common.nix { inherit pkgs config certs servers; })
|
||||
];
|
||||
|
||||
two =
|
||||
{ config, pkgs, lib, nodes, ... }:
|
||||
mkMerge [
|
||||
{
|
||||
virtualisation.memorySize = 768;
|
||||
virtualisation.diskSize = 4096;
|
||||
# networking.hostName = mkForce "two";
|
||||
networking.interfaces.eth1.ip4 = mkForce [{address = servers.two; prefixLength = 24;}];
|
||||
# networking.nat.externalIP = "192.168.1.3";
|
||||
networking.primaryIPAddress = mkForce servers.two;
|
||||
services.kubernetes.roles = ["node"];
|
||||
}
|
||||
(import ./kubernetes-common.nix { inherit pkgs config certs servers; })
|
||||
];
|
||||
|
||||
three =
|
||||
{ config, pkgs, lib, nodes, ... }:
|
||||
mkMerge [
|
||||
{
|
||||
virtualisation.memorySize = 768;
|
||||
virtualisation.diskSize = 4096;
|
||||
# networking.hostName = mkForce "three";
|
||||
networking.interfaces.eth1.ip4 = mkForce [{address = servers.three; prefixLength = 24;}];
|
||||
# networking.nat.externalIP = "192.168.1.4";
|
||||
networking.primaryIPAddress = mkForce servers.three;
|
||||
services.kubernetes.roles = ["node"];
|
||||
}
|
||||
(import ./kubernetes-common.nix { inherit pkgs config certs servers; })
|
||||
];
|
||||
};
|
||||
|
||||
testScript = ''
|
||||
startAll;
|
||||
|
||||
${test}
|
||||
'';
|
||||
}
|
||||
206
nixos/tests/kubernetes/rbac.nix
Normal file
206
nixos/tests/kubernetes/rbac.nix
Normal file
@ -0,0 +1,206 @@
|
||||
{ system ? builtins.currentSystem }:
|
||||
|
||||
with import ../../lib/testing.nix { inherit system; };
|
||||
with import ../../lib/qemu-flags.nix;
|
||||
with pkgs.lib;
|
||||
|
||||
let
|
||||
servers.master = "192.168.1.1";
|
||||
servers.one = "192.168.1.10";
|
||||
|
||||
certs = import ./certs.nix { inherit servers; };
|
||||
|
||||
roServiceAccount = pkgs.writeText "ro-service-account.json" (builtins.toJSON {
|
||||
kind = "ServiceAccount";
|
||||
apiVersion = "v1";
|
||||
metadata = {
|
||||
name = "read-only";
|
||||
namespace = "default";
|
||||
};
|
||||
});
|
||||
|
||||
roRoleBinding = pkgs.writeText "ro-role-binding.json" (builtins.toJSON {
|
||||
"apiVersion" = "rbac.authorization.k8s.io/v1beta1";
|
||||
"kind" = "RoleBinding";
|
||||
"metadata" = {
|
||||
"name" = "read-pods";
|
||||
"namespace" = "default";
|
||||
};
|
||||
"roleRef" = {
|
||||
"apiGroup" = "rbac.authorization.k8s.io";
|
||||
"kind" = "Role";
|
||||
"name" = "pod-reader";
|
||||
};
|
||||
"subjects" = [{
|
||||
"kind" = "ServiceAccount";
|
||||
"name" = "read-only";
|
||||
"namespace" = "default";
|
||||
}];
|
||||
});
|
||||
|
||||
roRole = pkgs.writeText "ro-role.json" (builtins.toJSON {
|
||||
"apiVersion" = "rbac.authorization.k8s.io/v1beta1";
|
||||
"kind" = "Role";
|
||||
"metadata" = {
|
||||
"name" = "pod-reader";
|
||||
"namespace" = "default";
|
||||
};
|
||||
"rules" = [{
|
||||
"apiGroups" = [""];
|
||||
"resources" = ["pods"];
|
||||
"verbs" = ["get" "list" "watch"];
|
||||
}];
|
||||
});
|
||||
|
||||
kubectlPod = pkgs.writeText "kubectl-pod.json" (builtins.toJSON {
|
||||
kind = "Pod";
|
||||
apiVersion = "v1";
|
||||
metadata.name = "kubectl";
|
||||
metadata.namespace = "default";
|
||||
metadata.labels.name = "kubectl";
|
||||
spec.serviceAccountName = "read-only";
|
||||
spec.containers = [{
|
||||
name = "kubectl";
|
||||
image = "kubectl:latest";
|
||||
command = ["${pkgs.busybox}/bin/tail" "-f"];
|
||||
imagePullPolicy = "Never";
|
||||
tty = true;
|
||||
}];
|
||||
});
|
||||
|
||||
kubectlPod2 = pkgs.writeTextDir "kubectl-pod-2.json" (builtins.toJSON {
|
||||
kind = "Pod";
|
||||
apiVersion = "v1";
|
||||
metadata.name = "kubectl-2";
|
||||
metadata.namespace = "default";
|
||||
metadata.labels.name = "kubectl-2";
|
||||
spec.serviceAccountName = "read-only";
|
||||
spec.containers = [{
|
||||
name = "kubectl-2";
|
||||
image = "kubectl:latest";
|
||||
command = ["${pkgs.busybox}/bin/tail" "-f"];
|
||||
imagePullPolicy = "Never";
|
||||
tty = true;
|
||||
}];
|
||||
});
|
||||
|
||||
kubectlImage = pkgs.dockerTools.buildImage {
|
||||
name = "kubectl";
|
||||
tag = "latest";
|
||||
contents = [ pkgs.kubernetes pkgs.busybox kubectlPod2 ]; # certs kubeconfig
|
||||
config.Entrypoint = "${pkgs.busybox}/bin/sh";
|
||||
};
|
||||
|
||||
test = ''
|
||||
$master->waitUntilSucceeds("kubectl get node master.nixos.xyz | grep Ready");
|
||||
$master->waitUntilSucceeds("kubectl get node one.nixos.xyz | grep Ready");
|
||||
|
||||
$one->execute("docker load < ${kubectlImage}");
|
||||
|
||||
$master->waitUntilSucceeds("kubectl apply -f ${roServiceAccount}");
|
||||
$master->waitUntilSucceeds("kubectl apply -f ${roRole}");
|
||||
$master->waitUntilSucceeds("kubectl apply -f ${roRoleBinding}");
|
||||
$master->waitUntilSucceeds("kubectl create -f ${kubectlPod} || kubectl apply -f ${kubectlPod}");
|
||||
|
||||
$master->waitUntilSucceeds("kubectl get pod kubectl | grep Running");
|
||||
|
||||
$master->succeed("kubectl exec -ti kubectl -- kubectl get pods");
|
||||
$master->fail("kubectl exec -ti kubectl -- kubectl create -f /kubectl-pod-2.json");
|
||||
$master->fail("kubectl exec -ti kubectl -- kubectl delete pods -l name=kubectl");
|
||||
'';
|
||||
|
||||
in makeTest {
|
||||
name = "kubernetes-multinode-rbac";
|
||||
|
||||
nodes = {
|
||||
master =
|
||||
{ config, pkgs, lib, nodes, ... }:
|
||||
mkMerge [
|
||||
{
|
||||
virtualisation.memorySize = 768;
|
||||
virtualisation.diskSize = 4096;
|
||||
networking.interfaces.eth1.ip4 = mkForce [{address = servers.master; prefixLength = 24;}];
|
||||
networking.primaryIPAddress = mkForce servers.master;
|
||||
services.kubernetes.apiserver.authorizationMode = mkForce ["ABAC" "RBAC"];
|
||||
services.kubernetes.apiserver.authorizationPolicy = mkForce [
|
||||
{
|
||||
apiVersion = "abac.authorization.kubernetes.io/v1beta1";
|
||||
kind = "Policy";
|
||||
spec = {
|
||||
user = "kubecfg";
|
||||
namespace = "*";
|
||||
resource = "*";
|
||||
apiGroup = "*";
|
||||
nonResourcePath = "*";
|
||||
};
|
||||
}
|
||||
{
|
||||
apiVersion = "abac.authorization.kubernetes.io/v1beta1";
|
||||
kind = "Policy";
|
||||
spec = {
|
||||
user = "kubelet";
|
||||
namespace = "*";
|
||||
resource = "*";
|
||||
apiGroup = "*";
|
||||
nonResourcePath = "*";
|
||||
};
|
||||
}
|
||||
{
|
||||
apiVersion = "abac.authorization.kubernetes.io/v1beta1";
|
||||
kind = "Policy";
|
||||
spec = {
|
||||
user = "kube-worker";
|
||||
namespace = "*";
|
||||
resource = "*";
|
||||
apiGroup = "*";
|
||||
nonResourcePath = "*";
|
||||
};
|
||||
}
|
||||
{
|
||||
apiVersion = "abac.authorization.kubernetes.io/v1beta1";
|
||||
kind = "Policy";
|
||||
spec = {
|
||||
user = "kube_proxy";
|
||||
namespace = "*";
|
||||
resource = "*";
|
||||
apiGroup = "*";
|
||||
nonResourcePath = "*";
|
||||
};
|
||||
}
|
||||
{
|
||||
apiVersion = "abac.authorization.kubernetes.io/v1beta1";
|
||||
kind = "Policy";
|
||||
spec = {
|
||||
user = "client";
|
||||
namespace = "*";
|
||||
resource = "*";
|
||||
apiGroup = "*";
|
||||
nonResourcePath = "*";
|
||||
};
|
||||
}
|
||||
];
|
||||
}
|
||||
(import ./kubernetes-common.nix { inherit pkgs config certs servers; })
|
||||
(import ./kubernetes-master.nix { inherit pkgs config certs; })
|
||||
];
|
||||
|
||||
one =
|
||||
{ config, pkgs, lib, nodes, ... }:
|
||||
mkMerge [
|
||||
{
|
||||
virtualisation.memorySize = 768;
|
||||
virtualisation.diskSize = 4096;
|
||||
networking.interfaces.eth1.ip4 = mkForce [{address = servers.one; prefixLength = 24;}];
|
||||
networking.primaryIPAddress = mkForce servers.one;
|
||||
services.kubernetes.roles = ["node"];
|
||||
}
|
||||
(import ./kubernetes-common.nix { inherit pkgs config certs servers; })
|
||||
];
|
||||
};
|
||||
|
||||
testScript = ''
|
||||
startAll;
|
||||
|
||||
${test}
|
||||
'';
|
||||
}
|
||||
97
nixos/tests/kubernetes/singlenode-kubectl.nix
Normal file
97
nixos/tests/kubernetes/singlenode-kubectl.nix
Normal file
@ -0,0 +1,97 @@
|
||||
{ system ? builtins.currentSystem }:
|
||||
|
||||
with import ../../lib/testing.nix { inherit system; };
|
||||
with import ../../lib/qemu-flags.nix;
|
||||
with pkgs.lib;
|
||||
|
||||
let
|
||||
certs = import ./certs.nix { servers = {}; };
|
||||
|
||||
kubectlPod = pkgs.writeText "kubectl-pod.json" (builtins.toJSON {
|
||||
kind = "Pod";
|
||||
apiVersion = "v1";
|
||||
metadata.name = "kubectl";
|
||||
metadata.labels.name = "kubectl";
|
||||
spec.containers = [{
|
||||
name = "kubectl";
|
||||
image = "kubectl:latest";
|
||||
command = ["${pkgs.busybox}/bin/tail" "-f"];
|
||||
imagePullPolicy = "Never";
|
||||
tty = true;
|
||||
}];
|
||||
});
|
||||
|
||||
kubectlImage = pkgs.dockerTools.buildImage {
|
||||
name = "kubectl";
|
||||
tag = "latest";
|
||||
contents = [ pkgs.kubernetes pkgs.busybox certs kubeconfig ];
|
||||
config.Entrypoint = "${pkgs.busybox}/bin/sh";
|
||||
};
|
||||
|
||||
kubeconfig = pkgs.writeTextDir "kubeconfig.json" (builtins.toJSON {
|
||||
apiVersion = "v1";
|
||||
kind = "Config";
|
||||
clusters = [{
|
||||
name = "local";
|
||||
cluster.certificate-authority = "/ca.pem";
|
||||
cluster.server = "https://192.168.1.1:4443/";
|
||||
}];
|
||||
users = [{
|
||||
name = "kubelet";
|
||||
user = {
|
||||
client-certificate = "/admin.crt";
|
||||
client-key = "/admin-key.pem";
|
||||
};
|
||||
}];
|
||||
contexts = [{
|
||||
context = {
|
||||
cluster = "local";
|
||||
user = "kubelet";
|
||||
};
|
||||
current-context = "kubelet-context";
|
||||
}];
|
||||
});
|
||||
|
||||
test = ''
|
||||
$kubernetes->execute("docker load < ${kubectlImage}");
|
||||
$kubernetes->waitUntilSucceeds("kubectl create -f ${kubectlPod} || kubectl apply -f ${kubectlPod}");
|
||||
$kubernetes->waitUntilSucceeds("kubectl get pod kubectl | grep Running");
|
||||
|
||||
# FIXME: this test fails, for some reason it can not reach host ip address
|
||||
$kubernetes->succeed("kubectl exec -ti kubectl -- kubectl --kubeconfig=/kubeconfig.json version");
|
||||
'';
|
||||
in makeTest {
|
||||
name = "kubernetes-singlenode-kubectl";
|
||||
|
||||
nodes = {
|
||||
kubernetes =
|
||||
{ config, pkgs, lib, nodes, ... }:
|
||||
{
|
||||
virtualisation.memorySize = 768;
|
||||
virtualisation.diskSize = 4096;
|
||||
|
||||
programs.bash.enableCompletion = true;
|
||||
environment.systemPackages = with pkgs; [ netcat bind ];
|
||||
|
||||
services.kubernetes.roles = ["master" "node"];
|
||||
services.kubernetes.apiserver.securePort = 4443;
|
||||
services.kubernetes.dns.port = 4453;
|
||||
services.kubernetes.clusterCidr = "10.0.0.0/8";
|
||||
virtualisation.docker.extraOptions = "--iptables=false --ip-masq=false -b cbr0";
|
||||
|
||||
networking.interfaces.eth1.ip4 = mkForce [{address = "192.168.1.1"; prefixLength = 24;}];
|
||||
networking.primaryIPAddress = mkForce "192.168.1.1";
|
||||
networking.bridges.cbr0.interfaces = [];
|
||||
networking.interfaces.cbr0 = {};
|
||||
|
||||
services.dnsmasq.enable = true;
|
||||
services.dnsmasq.servers = ["/${config.services.kubernetes.dns.domain}/127.0.0.1#4453"];
|
||||
};
|
||||
};
|
||||
|
||||
testScript = ''
|
||||
startAll;
|
||||
|
||||
${test}
|
||||
'';
|
||||
}
|
||||
82
nixos/tests/kubernetes/singlenode.nix
Normal file
82
nixos/tests/kubernetes/singlenode.nix
Normal file
@ -0,0 +1,82 @@
|
||||
{ system ? builtins.currentSystem }:
|
||||
|
||||
with import ../../lib/testing.nix { inherit system; };
|
||||
with import ../../lib/qemu-flags.nix;
|
||||
with pkgs.lib;
|
||||
|
||||
let
|
||||
redisPod = pkgs.writeText "redis-master-pod.json" (builtins.toJSON {
|
||||
kind = "Pod";
|
||||
apiVersion = "v1";
|
||||
metadata.name = "redis";
|
||||
metadata.labels.name = "redis";
|
||||
spec.containers = [{
|
||||
name = "redis";
|
||||
image = "redis";
|
||||
args = ["--bind" "0.0.0.0"];
|
||||
imagePullPolicy = "Never";
|
||||
ports = [{
|
||||
name = "redis-server";
|
||||
containerPort = 6379;
|
||||
}];
|
||||
}];
|
||||
});
|
||||
|
||||
redisService = pkgs.writeText "redis-service.json" (builtins.toJSON {
|
||||
kind = "Service";
|
||||
apiVersion = "v1";
|
||||
metadata.name = "redis";
|
||||
spec = {
|
||||
ports = [{port = 6379; targetPort = 6379;}];
|
||||
selector = {name = "redis";};
|
||||
};
|
||||
});
|
||||
|
||||
redisImage = pkgs.dockerTools.buildImage {
|
||||
name = "redis";
|
||||
tag = "latest";
|
||||
contents = pkgs.redis;
|
||||
config.Entrypoint = "/bin/redis-server";
|
||||
};
|
||||
|
||||
testSimplePod = ''
|
||||
$kubernetes->execute("docker load < ${redisImage}");
|
||||
$kubernetes->waitUntilSucceeds("kubectl create -f ${redisPod}");
|
||||
$kubernetes->succeed("kubectl create -f ${redisService}");
|
||||
$kubernetes->waitUntilSucceeds("kubectl get pod redis | grep Running");
|
||||
$kubernetes->succeed("nc -z \$\(dig redis.default.svc.cluster.local +short\) 6379");
|
||||
'';
|
||||
in {
|
||||
# This test runs kubernetes on a single node
|
||||
singlenode = makeTest {
|
||||
name = "kubernetes-singlenode";
|
||||
|
||||
nodes = {
|
||||
kubernetes =
|
||||
{ config, pkgs, lib, nodes, ... }:
|
||||
{
|
||||
virtualisation.memorySize = 768;
|
||||
virtualisation.diskSize = 2048;
|
||||
|
||||
programs.bash.enableCompletion = true;
|
||||
environment.systemPackages = with pkgs; [ netcat bind ];
|
||||
|
||||
services.kubernetes.roles = ["master" "node"];
|
||||
services.kubernetes.dns.port = 4453;
|
||||
virtualisation.docker.extraOptions = "--iptables=false --ip-masq=false -b cbr0";
|
||||
|
||||
networking.bridges.cbr0.interfaces = [];
|
||||
networking.interfaces.cbr0 = {};
|
||||
|
||||
services.dnsmasq.enable = true;
|
||||
services.dnsmasq.servers = ["/${config.services.kubernetes.dns.domain}/127.0.0.1#4453"];
|
||||
};
|
||||
};
|
||||
|
||||
testScript = ''
|
||||
startAll;
|
||||
|
||||
${testSimplePod}
|
||||
'';
|
||||
};
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user