Merge pull request #5414 from chuckbutler/juju-cluster-up

Adds JUJU to the Kubernetes Provider listing

cluster/juju/prereqs/ubuntu-juju.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+
+# Copyright 2015 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+
+function check_for_ppa(){
+    local repo="$1"
+    grep -qsw $repo /etcc/apt/sources.list /etc/apt/sources.list.d/*
+}
+
+function package_status(){
+    local pkgname=$1
+    local pkgstatus
+    pkgstatus=$(dpkg-query -W --showformat='${Status}\n' "${pkgname}")
+    if [[ "${pkgstatus}" != "install ok installed" ]]; then
+        echo "Missing package ${pkgname}"
+        sudo apt-get --force-yes --yes install ${pkgname}
+    fi
+
+}
+
+function gather_installation_reqs(){
+    if ! check_for_ppa "juju"; then
+        echo "... Detected missing dependencies.. running"
+        echo "... add-apt-repository ppa:juju/stable"
+        sudo add-apt-repository -y ppa:juju/stable
+        sudo apt-get update
+    fi
+
+    package_status 'juju-quickstart'
+}
+

cluster/juju/util.sh

@@ -0,0 +1,112 @@
+#!/bin/bash
+
+# Copyright 2015 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+source $KUBE_ROOT/cluster/juju/prereqs/ubuntu-juju.sh
+KUBE_BUNDLE_URL='https://raw.githubusercontent.com/whitmo/bundle-kubernetes/master/bundles.yaml'
+function verify-prereqs() {
+    gather_installation_reqs
+}
+
+function get-password() {
+    echo "TODO: Assign username/password security"
+}
+
+function kube-up() {
+    # If something were to happen that I'm not accounting for, do not
+    # punish the user by making them tear things down. In a perfect world
+    # quickstart should handle this situation, so be nice in the meantime
+    local envstatus
+    envstatus=$(juju status kubernetes-master --format=oneline)
+
+    if [[ "" == "${envstatus}" ]]; then
+        if [[ -d "~/.juju/current-env" ]]; then
+            juju quickstart -i --no-browser -i $KUBE_BUNDLE_URL
+        else
+            juju quickstart --no-browser ${KUBE_BUNDLE_URL}
+        fi
+        sleep 60
+    fi
+    # Sleep due to juju bug http://pad.lv/1432759
+    sleep-status
+}
+
+
+function detect-master() {
+    local kubestatus
+    # Capturing a newline, and my awk-fu was weak - pipe through tr -d
+    kubestatus=$(juju status --format=oneline kubernetes-master | awk '{print $3}' | tr -d "\n")
+    export KUBE_MASTER_IP=${kubestatus}
+    export KUBE_MASTER=$KUBE_MASTER_IP:8080
+    export KUBERNETES_MASTER=$KUBE_MASTER
+
+   }
+
+function detect-minions(){
+    # Strip out the components except for STDOUT return
+    # and trim out the single quotes to build an array of minions
+    #
+    # Example Output:
+    #- MachineId: "10"
+    #  Stdout: '10.197.55.232
+    #'
+    # UnitId: kubernetes/0
+    # - MachineId: "11"
+    # Stdout: '10.202.146.124
+    # '
+    #  UnitId: kubernetes/1
+ 
+    KUBE_MINION_IP_ADDRESSES=($(juju run --service kubernetes \
+        "unit-get private-address" --format=yaml \
+        | awk '/Stdout/ {gsub(/'\''/,""); print $2}'))
+    NUM_MINIONS=${#KUBE_MINION_IP_ADDRESSES[@]}
+    MINION_NAMES=$KUBE_MINION_IP_ADDRESSES
+}
+
+function setup-logging-firewall(){
+    echo "TODO: setup logging and firewall rules"
+}
+
+function teardown-logging-firewall(){
+    echo "TODO: teardown logging and firewall rules"
+}
+
+
+function sleep-status(){
+    local i
+    local maxtime
+    local jujustatus
+    i=0
+    maxtime=900
+    jujustatus=''
+    echo "Waiting up to 15 minutes to allow the cluster to come online... wait for it..."
+    while [[ $i < $maxtime && $jujustatus != *"started"* ]]; do
+        jujustatus=$(juju status kubernetes-master --format=oneline)
+        sleep 30
+        i+=30
+    done
+
+    # sleep because we cannot get the status back of where the minions are in the deploy phase
+    # thanks to a generic "started" state and our service not actually coming online until the
+    # minions have recieved the binary from the master distribution hub during relations
+    echo "Sleeping an additional minute to allow the cluster to settle"
+    sleep 60
+}
+

cluster/kube-env.sh

@@ -18,7 +18,7 @@
 # You can override the default provider by exporting the KUBERNETES_PROVIDER
 # variable in your bashrc
 #
-# The valid values: 'gce', 'gke', 'aws', 'azure', 'vagrant', 'vsphere', 'libvirt-coreos'
+# The valid values: 'gce', 'gke', 'aws', 'azure', 'vagrant', 'vsphere', 'libvirt-coreos', 'juju'
 
 KUBERNETES_PROVIDER=${KUBERNETES_PROVIDER:-gce}
 

cluster/validate-cluster.sh

@@ -55,7 +55,7 @@ echo "Found ${found} nodes."
 cat -n "${MINIONS_FILE}"
 
 # On vSphere, use minion IPs as their names
-if [[ "${KUBERNETES_PROVIDER}" == "vsphere" ]] || [[ "${KUBERNETES_PROVIDER}" == "vagrant" ]] || [[ "${KUBERNETES_PROVIDER}" == "libvirt-coreos" ]]; then
+if [[ "${KUBERNETES_PROVIDER}" == "vsphere" || "${KUBERNETES_PROVIDER}" == "vagrant" || "${KUBERNETES_PROVIDER}" == "libvirt-coreos" || "${KUBERNETES_PROVIDER}" == "juju" ]]  ; then
   MINION_NAMES=("${KUBE_MINION_IP_ADDRESSES[@]}")
 fi
 
@@ -79,7 +79,7 @@ for (( i=0; i<${#MINION_NAMES[@]}; i++)); do
     fi
 
     name="${MINION_NAMES[$i]}"
-    if [ "$KUBERNETES_PROVIDER" != "vsphere" ] && [ "$KUBERNETES_PROVIDER" != "vagrant" ] && [ "$KUBERNETES_PROVIDER" != "libvirt-coreos" ]; then
+    if [[ "$KUBERNETES_PROVIDER" != "vsphere" &&  "$KUBERNETES_PROVIDER" != "vagrant" && "$KUBERNETES_PROVIDER" != "libvirt-coreos" && "$KUBERNETES_PROVIDER" != "juju" ]]; then
       # Grab fully qualified name
       name=$(grep "${MINION_NAMES[$i]}\." "${MINIONS_FILE}")
     fi
@@ -89,7 +89,7 @@ for (( i=0; i<${#MINION_NAMES[@]}; i++)); do
     attempt=0
     while true; do
       echo -n "Attempt $((attempt+1)) at checking Kubelet installation on node ${MINION_NAMES[$i]} ..."
-      if [ "$KUBERNETES_PROVIDER" != "libvirt-coreos" ]; then
+      if [[ "$KUBERNETES_PROVIDER" != "libvirt-coreos" && "$KUBERNETES_PROVIDER" != "juju" ]]; then
         curl_output=$(curl -s --insecure --user "${KUBE_USER}:${KUBE_PASSWORD}" \
           "https://${KUBE_MASTER_IP}/api/v1beta1/proxy/minions/${name}/healthz")
       else