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128 lines
4.6 KiB
Bash
Executable File
128 lines
4.6 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2014 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#generate token files
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KUBELET_TOKEN=$(dd if=/dev/urandom bs=128 count=1 2>/dev/null | base64 | tr -d "=+/" | dd bs=32 count=1 2>/dev/null)
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KUBE_PROXY_TOKEN=$(dd if=/dev/urandom bs=128 count=1 2>/dev/null | base64 | tr -d "=+/" | dd bs=32 count=1 2>/dev/null)
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known_tokens_file="/srv/salt-overlay/salt/kube-apiserver/known_tokens.csv"
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if [[ ! -f "${known_tokens_file}" ]]; then
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mkdir -p /srv/salt-overlay/salt/kube-apiserver
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known_tokens_file="/srv/salt-overlay/salt/kube-apiserver/known_tokens.csv"
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(umask u=rw,go= ;
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echo "$KUBELET_TOKEN,kubelet,kubelet" > $known_tokens_file;
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echo "$KUBE_PROXY_TOKEN,kube_proxy,kube_proxy" >> $known_tokens_file)
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mkdir -p /srv/salt-overlay/salt/kubelet
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kubelet_auth_file="/srv/salt-overlay/salt/kubelet/kubernetes_auth"
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(umask u=rw,go= ; echo "{\"BearerToken\": \"$KUBELET_TOKEN\", \"Insecure\": true }" > $kubelet_auth_file)
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kubelet_kubeconfig_file="/srv/salt-overlay/salt/kubelet/kubeconfig"
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mkdir -p /srv/salt-overlay/salt/kubelet
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(umask 077;
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cat > "${kubelet_kubeconfig_file}" << EOF
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apiVersion: v1
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kind: Config
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clusters:
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- cluster:
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server: https://${KUBE_MASTER_IP}
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insecure-skip-tls-verify: true
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name: local
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contexts:
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- context:
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cluster: local
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user: kubelet
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name: service-account-context
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current-context: service-account-context
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users:
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- name: kubelet
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user:
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token: ${KUBELET_TOKEN}
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EOF
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)
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mkdir -p /srv/salt-overlay/salt/kube-proxy
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kube_proxy_kubeconfig_file="/srv/salt-overlay/salt/kube-proxy/kubeconfig"
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# Make a kubeconfig file with the token.
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# TODO(etune): put apiserver certs into secret too, and reference from authfile,
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# so that "Insecure" is not needed.
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(umask 077;
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cat > "${kube_proxy_kubeconfig_file}" << EOF
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apiVersion: v1
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kind: Config
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clusters:
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- cluster:
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insecure-skip-tls-verify: true
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name: local
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contexts:
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- context:
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cluster: local
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user: kube-proxy
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name: service-account-context
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current-context: service-account-context
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users:
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- name: kube-proxy
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user:
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token: ${KUBE_PROXY_TOKEN}
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EOF
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)
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# Generate tokens for other "service accounts". Append to known_tokens.
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#
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# NB: If this list ever changes, this script actually has to
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# change to detect the existence of this file, kill any deleted
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# old tokens and add any new tokens (to handle the upgrade case).
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service_accounts=("system:scheduler" "system:controller_manager" "system:logging" "system:monitoring" "system:dns")
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for account in "${service_accounts[@]}"; do
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token=$(dd if=/dev/urandom bs=128 count=1 2>/dev/null | base64 | tr -d "=+/" | dd bs=32 count=1 2>/dev/null)
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echo "${token},${account},${account}" >> "${known_tokens_file}"
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done
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fi
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readonly BASIC_AUTH_FILE="/srv/salt-overlay/salt/kube-apiserver/basic_auth.csv"
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if [[ ! -e "${BASIC_AUTH_FILE}" ]]; then
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mkdir -p /srv/salt-overlay/salt/kube-apiserver
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(umask 077;
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echo "${KUBE_PASSWORD},${KUBE_USER},admin" > "${BASIC_AUTH_FILE}")
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fi
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# Create the overlay files for the salt tree. We create these in a separate
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# place so that we can blow away the rest of the salt configs on a kube-push and
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# re-apply these.
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mkdir -p /srv/salt-overlay/pillar
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cat <<EOF >/srv/salt-overlay/pillar/cluster-params.sls
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instance_prefix: '$(echo "$INSTANCE_PREFIX" | sed -e "s/'/''/g")'
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node_instance_prefix: $NODE_INSTANCE_PREFIX
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service_cluster_ip_range: $SERVICE_CLUSTER_IP_RANGE
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enable_cluster_monitoring: "${ENABLE_CLUSTER_MONITORING:-none}"
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enable_cluster_logging: "${ENABLE_CLUSTER_LOGGING:false}"
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enable_cluster_ui: "${ENABLE_CLUSTER_UI:true}"
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enable_node_logging: "${ENABLE_NODE_LOGGING:false}"
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logging_destination: $LOGGING_DESTINATION
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elasticsearch_replicas: $ELASTICSEARCH_LOGGING_REPLICAS
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enable_cluster_dns: "${ENABLE_CLUSTER_DNS:-false}"
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dns_server: $DNS_SERVER_IP
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dns_domain: $DNS_DOMAIN
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e2e_storage_test_environment: "${E2E_STORAGE_TEST_ENVIRONMENT:-false}"
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cluster_cidr: "$NODE_IP_RANGES"
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allocate_node_cidrs: "${ALLOCATE_NODE_CIDRS:-true}"
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admission_control: Initializers,NamespaceLifecycle,LimitRanger,SecurityContextDeny,ServiceAccount,DefaultStorageClass,DefaultTolerationSeconds,ResourceQuota
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EOF
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