/cluster/gce/trusty/master.yaml

From nobody Thu Mar 3 15:33:00 2016
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#upstart-job

description "Prepare kube master environment"

start on cloud-config

script
	set -o errexit
	set -o nounset

	# Fetch the script for configuring the instance.
	curl --fail --silent --show-error \
		-H "X-Google-Metadata-Request: True" \
		-o /etc/kube-configure.sh \
		http://metadata.google.internal/computeMetadata/v1/instance/attributes/configure-sh
	. /etc/kube-configure.sh

	echo "Configuring hostname"
	config_hostname
	echo "Configuring IP firewall rules"
	config_ip_firewall
	echo "Downloading kube-env file"
	download_kube_env
	. /etc/kube-env
	echo "Creating required directories"
	create_dirs
	echo "Mount master PD"
	mount_master_pd
	echo "Creating kuberntes master auth file"
	create_master_auth
	echo "Creating master instance kubelet auth file"
  create_master_kubelet_auth
end script

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Content-Disposition: attachment; filename="kube-install-packages.conf"

#upstart-job

description "Install packages needed to run kubernetes"

start on stopped kube-env

script
	set -o errexit
	set -o nounset

	. /etc/kube-configure.sh
	install_critical_packages
end script

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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

	. /etc/kube-configure.sh
	install_additional_packages
end script

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Content-Disposition: attachment; filename="kube-install-master.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-configure.sh
	. /etc/kube-env
	install_kube_binary_config
end script

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Content-Disposition: attachment; filename="kubelet.conf"

#upstart-job

description "Run kubelet service"

start on stopped kube-install-packages and stopped kube-install-master

respawn

script
	set -o errexit
	set -o nounset

	echo "Start kubelet upstart job"
	. /etc/kube-configure.sh
	. /etc/kube-env
	# Assemble command line flags based on env variables, which will put the string
	# of flags in variable KUBELET_CMD_FLAGS
	assemble_kubelet_flags
	
	/usr/bin/kubelet \
		--enable-debugging-handlers=false \
		--cloud-provider=gce \
		--config=/etc/kubernetes/manifests \
		--allow-privileged=true \
		--cluster-dns=${DNS_SERVER_IP} \
		--cluster-domain=${DNS_DOMAIN} \
		--configure-cbr0=${ALLOCATE_NODE_CIDRS} \
		--cgroup-root=/ \
		--system-cgroups=/system \
		--runtime-cgroups=/docker-daemon \
		--kubelet-cgroups=/kubelet \
		--babysit-daemons=true \
		${KUBELET_CMD_FLAGS} 1>>/var/log/kubelet.log 2>&1
end script

# Wait for 10s to start kubelet again.
post-stop exec sleep 10

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Content-Disposition: attachment; filename="kube-docker.conf"

#upstart-job

description "Restart docker daemon"

start on started kubelet

script
	set -o errexit
	set -o nounset

	. /etc/kube-configure.sh
	. /etc/kube-env
	restart_docker_daemon
end script

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Content-Disposition: attachment; filename="kube-master-components.conf"

#upstart-job

description "Start kube-master components and addons pods"

start on stopped kube-docker

script
	set -o errexit
	set -o nounset

	. /etc/kube-configure.sh
	. /etc/kube-env
	start_etcd_servers
	start_fluentd
	compute_master_manifest_variables
	start_kube_apiserver
	start_kube_controller_manager
	start_kube_scheduler
	prepare_kube_addons
end script

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Content-Disposition: attachment; filename="kube-addons.conf"

#upstart-job

description "Run kubernetes addon pods"

start on stopped kube-master-components

respawn

script
	set -o errexit
	set -o nounset

	. /etc/kube-env
	export HOME="/root"
	export KUBECTL_BIN="/usr/bin/kubectl"
	export TOKEN_DIR="/etc/srv/kubernetes"
	export kubelet_kubeconfig_file="/var/lib/kubelet/kubeconfig"
	export TRUSTY_MASTER="true"
	# Run the script to start and monitoring addon manifest changes.
	exec /var/lib/cloud/scripts/kubernetes/kube-addons.sh
end script

# Wait for 10s to start it again.
post-stop exec sleep 10

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Content-Disposition: attachment; filename="kube-master-health-monitoring.conf"

#upstart-job

description "Kubenetes master health monitoring"

start on stopped kube-docker

respawn

script
	set -o errexit
	set -o nounset

	# Wait for a minute to let docker and kubelet processes finish initialization.
	# TODO(andyzheng0831): replace it with a more reliable method if possible.
	sleep 60
	. /etc/kube-configure.sh
	. /etc/kube-env
	health_monitoring
end script

# Wait for 10s to start it again.
post-stop exec sleep 10

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