From nobody Tue Aug 11 10:13:54 2015 Content-Type: multipart/mixed; boundary="===============6024533374511606659==" MIME-Version: 1.0 --===============6024533374511606659== MIME-Version: 1.0 Content-Type: text/upstart-job; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="kube-env.conf" #upstart-job description "Prepare kube node environment" start on cloud-config script set -o errexit set -o nounset # Set the hostname to the short version. short_hostname=$(hostname -s) hostname $short_hostname # We have seen that GCE image may have strict host firewall rules which drop # most inbound/forwarded packets. In such a case, add rules to accept all # TCP/UDP packets. if iptables -L INPUT | grep "Chain INPUT (policy DROP)" > /dev/null; then echo "Add rules to accpet all inbound TCP/UDP packets" iptables -A INPUT -w -p TCP -j ACCEPT iptables -A INPUT -w -p UDP -j ACCEPT fi if iptables -L FORWARD | grep "Chain FORWARD (policy DROP)" > /dev/null; then echo "Add rules to accpet all forwarded TCP/UDP packets" iptables -A FORWARD -w -p TCP -j ACCEPT iptables -A FORWARD -w -p UDP -j ACCEPT fi # Create required directories. mkdir -p /var/lib/kubelet mkdir -p /var/lib/kube-proxy mkdir -p /etc/kubernetes/manifests # Fetch kube-env from GCE metadata server. curl --fail --silent --show-error \ -H "X-Google-Metadata-Request: True" \ -o /tmp/kube-env-yaml \ http://metadata.google.internal/computeMetadata/v1/instance/attributes/kube-env # Convert the yaml format file into a shell-style file. eval $(python -c ''' import pipes,sys,yaml for k,v in yaml.load(sys.stdin).iteritems(): print "readonly {var}={value}".format(var = k, value = pipes.quote(str(v))) ''' < /tmp/kube-env-yaml > /etc/kube-env) #Create the kubelet kubeconfig file. . /etc/kube-env if [ -z "${KUBELET_CA_CERT:-}" ]; then KUBELET_CA_CERT="${CA_CERT}" fi cat > /var/lib/kubelet/kubeconfig << EOF apiVersion: v1 kind: Config users: - name: kubelet user: client-certificate-data: ${KUBELET_CERT} client-key-data: ${KUBELET_KEY} clusters: - name: local cluster: certificate-authority-data: ${KUBELET_CA_CERT} contexts: - context: cluster: local user: kubelet name: service-account-context current-context: service-account-context EOF # Create the kube-proxy config file. cat > /var/lib/kube-proxy/kubeconfig << EOF apiVersion: v1 kind: Config users: - name: kube-proxy user: token: ${KUBE_PROXY_TOKEN} clusters: - name: local cluster: certificate-authority-data: ${CA_CERT} contexts: - context: cluster: local user: kube-proxy name: service-account-context current-context: service-account-context EOF end script --===============6024533374511606659== MIME-Version: 1.0 Content-Type: text/upstart-job; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="kube-install-packages.conf" #upstart-job description "Install packages needed to run kubernetes" start on cloud-config script set -o errexit set -o nounset apt-get update # Install docker and brctl if they are not in the image. if ! which docker > /dev/null; then echo "Do not find docker. Install it." # We should install the docker that passes qualification. At present, it is version 1.7.1. curl -sSL https://get.docker.com/ubuntu/ | DOCKER_VERSION=1.7.1 sh fi if ! which brctl > /dev/null; then echo "Do not find brctl. Install it." apt-get install --yes bridge-utils fi end script --===============6024533374511606659== MIME-Version: 1.0 Content-Type: text/upstart-job; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="kube-install-additional-packages.conf" #upstart-job description "Install additional packages used by kubernetes" start on stopped kube-install-packages script set -o errexit set -o nounset # Socat and nsenter are not required for spinning up a cluster. We move the # installation here to be in parallel with the cluster creation. if ! which socat > /dev/null; then echo "Do not find socat. Install it." apt-get install --yes socat fi if ! which nsenter > /dev/null; then echo "Do not find nsenter. Install it." # Note: this is an easy way to install nsenter, but may not be the fastest way. # In addition, this may not be a trusted source. So, replace it if we have a # better solution. docker run --rm -v /usr/local/bin:/target jpetazzo/nsenter fi end script --===============6024533374511606659== MIME-Version: 1.0 Content-Type: text/upstart-job; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="kube-install-minion.conf" #upstart-job description "Download and install k8s binaries and configurations" start on stopped kube-env script set -o errexit set -o nounset . /etc/kube-env # For a testing cluster, we pull kubelet and kube-proxy binaries, and place them # in /usr/local/bin. For a non-test cluster, we use the binaries pre-installed # in the image, or pull and place them in /usr/bin if they are not pre-installed. BINARY_PATH="/usr/bin/" if [ "${TEST_CLUSTER:-}" = "true" ]; then BINARY_PATH="/usr/local/bin/" fi if ! which kubelet > /dev/null || ! which kube-proxy > /dev/null || [ "${TEST_CLUSTER:-}" = "true" ]; then cd /tmp k8s_sha1="${SERVER_BINARY_TAR_URL##*/}.sha1" echo "Downloading k8s tar sha1 file ${k8s_sha1}" curl -Lo "${k8s_sha1}" --connect-timeout 20 --retry 6 --retry-delay 2 "${SERVER_BINARY_TAR_URL}.sha1" k8s_tar="${SERVER_BINARY_TAR_URL##*/}" echo "Downloading k8s tar file ${k8s_tar}" curl -Lo "${k8s_tar}" --connect-timeout 20 --retry 6 --retry-delay 2 "${SERVER_BINARY_TAR_URL}" # Validate hash. actual=$(sha1sum ${k8s_tar} | awk '{ print $1 }') || true if [ "${actual}" != "${SERVER_BINARY_TAR_HASH}" ]; then echo "== ${k8s_tar} corrupted, sha1 ${actual} doesn't match expected ${SERVER_BINARY_TAR_HASH} ==" else echo "Validated ${SERVER_BINARY_TAR_URL} SHA1 = ${SERVER_BINARY_TAR_HASH}" fi tar xzf "/tmp/${k8s_tar}" -C /tmp/ --overwrite cp /tmp/kubernetes/server/bin/kubelet ${BINARY_PATH} cp /tmp/kubernetes/server/bin/kube-proxy ${BINARY_PATH} rm -rf "/tmp/kubernetes" rm "/tmp/${k8s_tar}" rm "/tmp/${k8s_sha1}" fi # Put saltbase configuration files in /etc/saltbase. We will use the add-on yaml files. mkdir -p /etc/saltbase cd /etc/saltbase salt_sha1="${SALT_TAR_URL##*/}.sha1" echo "Downloading Salt tar sha1 file ${salt_sha1}" curl -Lo "${salt_sha1}" --connect-timeout 20 --retry 6 --retry-delay 2 "${SALT_TAR_URL}.sha1" salt_tar="${SALT_TAR_URL##*/}" echo "Downloading Salt tar file ${salt_tar}" curl -Lo "${salt_tar}" --connect-timeout 20 --retry 6 --retry-delay 2 "${SALT_TAR_URL}" # Validate hash. actual=$(sha1sum ${salt_tar} | awk '{ print $1 }') || true if [ "${actual}" != "${SALT_TAR_HASH}" ]; then echo "== ${salt_tar} corrupted, sha1 ${actual} doesn't match expected ${SALT_TAR_HASH} ==" else echo "Validated ${SALT_TAR_URL} SHA1 = ${SALT_TAR_HASH}" fi tar xzf "/etc/saltbase/${salt_tar}" -C /etc/saltbase/ --overwrite rm "/etc/saltbase/${salt_sha1}" rm "/etc/saltbase/${salt_tar}" end script --===============6024533374511606659== MIME-Version: 1.0 Content-Type: text/upstart-job; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="kubelet.conf" #upstart-job description "Run kubelet service" start on stopped kube-install-minion and stopped kube-install-packages respawn script set -o errexit set -o nounset # TODO(andyzheng0831): Add health check functionality. . /etc/kube-env ARGS="--v=2" if [ -n "${KUBELET_TEST_ARGS:-}" ]; then ARGS="${KUBELET_TEST_ARGS}" fi BINARY_PATH="/usr/bin/kubelet" if [ "${TEST_CLUSTER:-}" = "true" ]; then BINARY_PATH="/usr/local/bin/kubelet" fi ${BINARY_PATH} \ --api-servers=https://${KUBERNETES_MASTER_NAME} \ --enable-debugging-handlers=true \ --cloud-provider=gce \ --config=/etc/kubernetes/manifests \ --allow-privileged=false \ --cluster-dns=${DNS_SERVER_IP} \ --cluster-domain=${DNS_DOMAIN} \ --configure-cbr0=true \ --cgroup-root=/ \ --system-container=/system \ ${ARGS} end script # Wait for 10s to start kubelet again. post-stop exec sleep 10 --===============6024533374511606659== MIME-Version: 1.0 Content-Type: text/upstart-job; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="kube-proxy.conf" #upstart-job description "Start kube-proxy service" start on stopped kube-install-minion and stopped kube-install-packages respawn script set -o errexit set -o nounset . /etc/kube-env ARGS="--v=2" if [ -n "${KUBEPROXY_TEST_ARGS:-}" ]; then ARGS="${KUBEPROXY_TEST_ARGS}" fi BINARY_PATH="/usr/bin/kube-proxy" if [ "${TEST_CLUSTER:-}" = "true" ]; then BINARY_PATH="/usr/local/bin/kube-proxy" fi ${BINARY_PATH} \ --master=https://${KUBERNETES_MASTER_NAME} \ --kubeconfig=/var/lib/kube-proxy/kubeconfig \ ${ARGS} end script # Wait for 10s to start kube-proxy again. post-stop exec sleep 10 --===============6024533374511606659== MIME-Version: 1.0 Content-Type: text/upstart-job; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="kube-docker.conf" #upstart-job description "Restart docker daemon" # The condition "stopped kube-install-additional-packages" is to avoid # breaking nsenter installation, which is through a docker container. # It can be removed if we find a better way to install nsenter. start on started kubelet and stopped kube-install-additional-packages script set -o errexit set -o nounset . /etc/kube-env # Assemble docker deamon options echo "DOCKER_OPTS=\"-p /var/run/docker.pid ${EXTRA_DOCKER_OPTS} --log-level=\"debug\" --bridge cbr0 --iptables=false --ip-masq=false\"" > /etc/default/docker # Make sure the network interface cbr0 is created before restarting docker daemon while ! [ -L /sys/class/net/cbr0 ]; do echo "Sleep 1 second to wait for cbr0" sleep 1 done initctl restart docker # Remove docker0 ifconfig docker0 down brctl delbr docker0 end script --===============6024533374511606659== MIME-Version: 1.0 Content-Type: text/upstart-job; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="kube-addons.conf" #upstart-job description "Install kubelet add-on manifest files" start on stopped kube-docker script set -o errexit set -o nounset # Configuration files are located at /etc/saltbase. . /etc/kube-env if [ "${ENABLE_NODE_LOGGING}" = "true" ]; then if [ "${LOGGING_DESTINATION}" = "gcp" ]; then cp /etc/saltbase/kubernetes/saltbase/salt/fluentd-gcp/fluentd-gcp.yaml /etc/kubernetes/manifests/ elif [ "${LOGGING_DESTINATION}" = "elasticsearch" ]; then cp /etc/saltbase/kubernetes/saltbase/salt/fluentd-es/fluentd-es.yaml /etc/kubernetes/manifests/ fi fi end script --===============6024533374511606659==--