aws cluster/kube-up.sh fixes

cluster/aws/config-default.sh

@@ -18,7 +18,7 @@
 ZONE=us-west-2
 MASTER_SIZE=t2.micro
 MINION_SIZE=t2.micro
-NUM_MINIONS=4
+NUM_MINIONS=${NUM_MINIONS:-4}
 
 # This is the ubuntu 14.04 image for us-west-2 + ebs
 # See here: http://cloud-images.ubuntu.com/locator/ec2/ for other images

cluster/aws/templates/create-dynamic-salt-files.sh

@@ -20,15 +20,33 @@
 
 mkdir -p /srv/salt-overlay/pillar
 cat <<EOF >/srv/salt-overlay/pillar/cluster-params.sls
-node_instance_prefix: $NODE_INSTANCE_PREFIX
-portal_net: $PORTAL_NET
-enable_node_monitoring: $ENABLE_NODE_MONITORING
-enable_node_logging: $ENABLE_NODE_LOGGING
-logging_destination: $LOGGING_DESTINATION
-enable_cluster_dns: $ENABLE_CLUSTER_DNS
-dns_server: $DNS_SERVER_IP
-dns_domain: $DNS_DOMAIN
+node_instance_prefix: '$(echo "$NODE_INSTANCE_PREFIX" | sed -e "s/'/''/g")'
+portal_net: '$(echo "$PORTAL_NET" | sed -e "s/'/''/g")'
+enable_cluster_monitoring: '$(echo "$ENABLE_CLUSTER_MONITORING" | sed -e "s/'/''/g")'
+enable_node_monitoring: '$(echo "$ENABLE_NODE_MONITORING" | sed -e "s/'/''/g")'
+enable_cluster_logging: '$(echo "$ENABLE_CLUSTER_LOGGING" | sed -e "s/'/''/g")'
+enable_node_logging: '$(echo "$ENABLE_NODE_LOGGING" | sed -e "s/'/''/g")'
+logging_destination: '$(echo "$LOGGING_DESTINATION" | sed -e "s/'/''/g")'
+elasticsearch_replicas: '$(echo "$ELASTICSEARCH_LOGGING_REPLICAS" | sed -e "s/'/''/g")'
+enable_cluster_dns: '$(echo "$ENABLE_CLUSTER_DNS" | sed -e "s/'/''/g")'
+dns_replicas: '$(echo "$DNS_REPLICAS" | sed -e "s/'/''/g")'
+dns_server: '$(echo "$DNS_SERVER_IP" | sed -e "s/'/''/g")'
+dns_domain: '$(echo "$DNS_DOMAIN" | sed -e "s/'/''/g")'
 EOF
 
 mkdir -p /srv/salt-overlay/salt/nginx
 echo $MASTER_HTPASSWD > /srv/salt-overlay/salt/nginx/htpasswd
+
+# Generate and distribute a shared secret (bearer token) to
+# apiserver and kubelet so that kubelet can authenticate to
+# apiserver to send events.
+# This works on CoreOS, so it should work on a lot of distros.
+kubelet_token=$(cat /dev/urandom | base64 | tr -d "=+/" | dd bs=32 count=1 2> /dev/null)
+
+mkdir -p /srv/salt-overlay/salt/kube-apiserver
+known_tokens_file="/srv/salt-overlay/salt/kube-apiserver/known_tokens.csv"
+(umask u=rw,go= ; echo "$kubelet_token,kubelet,kubelet" > $known_tokens_file)
+
+mkdir -p /srv/salt-overlay/salt/kubelet
+kubelet_auth_file="/srv/salt-overlay/salt/kubelet/kubernetes_auth"
+(umask u=rw,go= ; echo "{\"BearerToken\": \"$kubelet_token\", \"Insecure\": true }" > $kubelet_auth_file)

cluster/aws/util.sh

@@ -213,6 +213,24 @@ EOF
   chmod 0600 "$file"
 }
 
+# Adds a tag to an AWS resource
+# usage: add-tag <resource-id> <tag-name> <tag-value>
+function add-tag {
+  echo "Adding tag to ${1}: ${2}=${3}"
+
+  # We need to retry in case the resource isn't yet fully created
+  sleep 3
+  n=0
+  until [ $n -ge 5 ]; do
+    $AWS_CMD create-tags --resources ${1} --tags Key=${2},Value=${3} > $LOG && return
+    n=$[$n+1]
+    sleep 15
+  done
+
+  echo "Unable to add tag to AWS resource"
+  exit 1
+}
+
 function kube-up {
   find-release-tars
   upload-server-tars
@@ -243,8 +261,7 @@ function kube-up {
 	  VPC_ID=$($AWS_CMD create-vpc --cidr-block 172.20.0.0/16 | json_val '["Vpc"]["VpcId"]')
 	  $AWS_CMD modify-vpc-attribute --vpc-id $VPC_ID --enable-dns-support '{"Value": true}' > $LOG
 	  $AWS_CMD modify-vpc-attribute --vpc-id $VPC_ID --enable-dns-hostnames '{"Value": true}' > $LOG
-	  $AWS_CMD create-tags --resources $VPC_ID --tags Key=Name,Value=kubernetes-vpc > $LOG
-
+	  add-tag $VPC_ID Name kubernetes-vpc
   fi
 
   echo "Using VPC $VPC_ID"
@@ -322,10 +339,13 @@ function kube-up {
     --security-group-ids $SEC_GROUP_ID \
     --associate-public-ip-address \
     --user-data file://${KUBE_TEMP}/master-start.sh | json_val '["Instances"][0]["InstanceId"]')
-  sleep 3
-  $AWS_CMD create-tags --resources $master_id --tags Key=Name,Value=$MASTER_NAME > $LOG
-  sleep 3
-  $AWS_CMD create-tags --resources $master_id --tags Key=Role,Value=$MASTER_TAG > $LOG
+  add-tag $master_id Name $MASTER_NAME
+  add-tag $master_id Role $MASTER_TAG
+
+  echo "Waiting 1 minute for master to be ready"
+  # TODO(justinsb): Actually poll for the master being ready
+  #  (we at least need the salt-master to be up before the minions come up)
+  sleep 60
 
   for (( i=0; i<${#MINION_NAMES[@]}; i++)); do
     echo "Starting Minion (${MINION_NAMES[$i]})"
@@ -346,21 +366,9 @@ function kube-up {
       --security-group-ids $SEC_GROUP_ID \
       --associate-public-ip-address \
       --user-data file://${KUBE_TEMP}/minion-start-${i}.sh | json_val '["Instances"][0]["InstanceId"]')
-    sleep 3
-    n=0
-    until [ $n -ge 5 ]; do
-      $AWS_CMD create-tags --resources $minion_id --tags Key=Name,Value=${MINION_NAMES[$i]} > $LOG && break
-      n=$[$n+1]
-      sleep 15
-    done
 
-    sleep 3
-    n=0
-    until [ $n -ge 5 ]; do
-      $AWS_CMD create-tags --resources $minion_id --tags Key=Role,Value=$MINION_TAG > $LOG && break
-      n=$[$n+1]
-      sleep 15
-    done
+    add-tag $minion_id Name ${MINION_NAMES[$i]}
+    add-tag $minion_id Role $MINION_TAG
 
     sleep 3
     $AWS_CMD modify-instance-attribute --instance-id $minion_id --source-dest-check '{"Value": false}' > $LOG
@@ -397,7 +405,8 @@ function kube-up {
 
   # Wait 3 minutes for cluster to come up.  We hit it with a "highstate" after that to
   # make sure that everything is well configured.
-  echo "Waiting for cluster to settle"
+  # TODO: Can we poll here?
+  echo "Waiting 3 minutes for cluster to settle"
   local i
   for (( i=0; i < 6*3; i++)); do
     printf "."

cluster/saltbase/salt/etcd/init.sls

@@ -24,7 +24,9 @@ etcd-tar:
     - source_hash: {{ etcd_tar_hash }}
     - archive_format: tar
     - if_missing: /usr/local/src/etcd-{{ etcd_version }}-linux-amd64
+{% if grains['saltversioninfo'] <= (2014, 7, 0, 0) %}
     - tar_options: xz
+{% endif %}
   file.directory:
     - name: /usr/local/src/etcd-{{ etcd_version }}-linux-amd64
     - user: root

cluster/saltbase/salt/kube-apiserver/default

@@ -27,6 +27,10 @@
 {% if grains.cloud == 'gce' -%}
   {% set cloud_provider = "--cloud_provider=gce" -%}
 {% endif -%}
+{% if grains.cloud == 'aws' -%}
+  {% set cloud_provider = "--cloud_provider=aws" -%}
+  {% set cloud_config = "--cloud_config=/etc/aws.conf" -%}
+{% endif -%}
 {% endif -%}
 
 {% if pillar['portal_net'] is defined -%}
@@ -40,7 +44,7 @@
 {% set token_auth_file = "--token_auth_file=/dev/null" -%}
 
 {% if grains.cloud is defined -%}
-{% if grains.cloud == 'gce' or grains.cloud == 'vagrant' -%}
+{% if grains.cloud in [ 'aws', 'gce', 'vagrant' ] -%}
     # TODO: generate and distribute tokens for other cloud providers.
     {% set token_auth_file = "--token_auth_file=/srv/kubernetes/known_tokens.csv" -%}
 {% endif -%}
@@ -51,4 +55,4 @@
  {% set admission_control = "--admission_control=" + grains.admission_control -%}
 {% endif -%}
 
-DAEMON_ARGS="{{daemon_args}} {{address}} {{etcd_servers}} {{ cloud_provider }} {{admission_control}} --allow_privileged={{pillar['allow_privileged']}} {{portal_net}} {{cert_file}} {{key_file}} {{secure_port}} {{token_auth_file}} {{publicAddressOverride}} {{pillar['log_level']}}"
+DAEMON_ARGS="{{daemon_args}} {{address}} {{etcd_servers}} {{ cloud_provider }} {{ cloud_config }} {{admission_control}} --allow_privileged={{pillar['allow_privileged']}} {{portal_net}} {{cert_file}} {{key_file}} {{secure_port}} {{token_auth_file}} {{publicAddressOverride}} {{pillar['log_level']}}"

cluster/saltbase/salt/kube-apiserver/init.sls

@@ -39,7 +39,7 @@
 {% endif %}
 
 {% if grains.cloud is defined %}
-{% if grains.cloud == 'gce' or grains.cloud == 'vagrant' %}
+{% if grains.cloud in ['aws', 'gce', 'vagrant'] %}
 # TODO: generate and distribute tokens on other cloud providers.
 /srv/kubernetes/known_tokens.csv:
   file.managed:

cluster/saltbase/salt/kube-controller-manager/default

@@ -26,7 +26,7 @@
   {% set cloud_provider = "--cloud_provider=aws" -%}
   {% set cloud_config = "--cloud_config=/etc/aws.conf" -%}
   {% set minion_regexp = "" -%}
-  {% set machines = "--machines " + ','.join(salt['mine.get']('roles:kubernetes-pool', 'network.ip_addrs', expr_form='grain').keys()) -%}
+  {% set machines = "--machines=" + ','.join(salt['mine.get']('roles:kubernetes-pool', 'network.ip_addrs', expr_form='grain').keys()) -%}
 {% endif -%}
 {% if grains.cloud == 'azure' -%}
   MACHINES="{{ salt['mine.get']('roles:kubernetes-pool', 'grains.items', expr_form='grain').values()|join(',', attribute='hostnamef') }}"

test/e2e/kubelet_sends_events.go

@@ -32,7 +32,7 @@ import (
 // TestKubeletSendsEvent checks that kubelets and scheduler send events about pods scheduling and running.
 func TestKubeletSendsEvent(c *client.Client) bool {
 	provider := testContext.provider
-	if len(provider) > 0 && provider != "gce" && provider != "gke" {
+	if len(provider) > 0 && provider != "gce" && provider != "gke" && provider != "aws" {
 		glog.Infof("skipping TestKubeletSendsEvent on cloud provider %s", provider)
 		return true
 	}

test/e2e/private.go

@@ -29,8 +29,8 @@ import (
 // with the TestBasicImage test. This test is only supported
 // for the providers GCE and GKE.
 func TestPrivate(c *client.Client) bool {
-	if testContext.provider != "gce" && testContext.provider != "gke" {
-		glog.Infof("Skipping test private which is only supported for providers gce and gke (not %s)", testContext.provider)
+	if testContext.provider != "gce" && testContext.provider != "gke" && testContext.provider != "aws" {
+		glog.Infof("Skipping test private which is only supported for providers gce, gke and aws (not %s)", testContext.provider)
 		return true
 	}
 	glog.Info("Calling out to TestBasic")