mirror of https://github.com/k3s-io/k3s
Merge pull request #9128 from marekbiskup/addonUpgrade
Addon upgrade (partial implementation of #8107)pull/6/head
commit
8a9e0e00bf
|
@ -0,0 +1,45 @@
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|||
# Cluster add-ons
|
||||
|
||||
Cluster add-ons are Services and Replication Controllers (with pods) that are
|
||||
shipped with the kubernetes binaries and whose update policy is also consistent
|
||||
with the update of kubernetes cluster.
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||||
|
||||
On the clusterm the addons are kept in ```/etc/kubernetes/addons``` on the master node, in yaml files
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(json is not supported at the moment).
|
||||
Each add-on must specify the following label: ````kubernetes.io/cluster-service: true````.
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Yaml files that do not define this label will be ignored.
|
||||
|
||||
The naming convention for Replication Controllers is
|
||||
```<basename>-<version>```, where ```<basename>``` is the same in consecutive
|
||||
versions and ```<version>``` changes when the component is updated
|
||||
(```<version>``` must not contain ```-```). For instance,
|
||||
```heapseter-controller-v1``` and ```heapster-controller-12``` are the
|
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same controllers with two different versions, while ```heapseter-controller-v1```
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and ```heapster-newcontroller-12``` are treated as two different applications.
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For services it is just ```<basename>``` (with empty version number)
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because we do not expect the service
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name to change in consecutive versions. The naming convetion is important for add-on update.
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# Add-on update
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To update add-ons, just update the contents of ```/etc/kubernetes/addons```
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directory with the desired definition of add-ons. Then the system will take care
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of:
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1. Removing the objects from the API server whose manifest was removed.
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1. This is done for add-ons in the system that do not have a manifest file with the
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same basename
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1. Creating objects from new manifests
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1. This is done for manifests that do not correspond to existing API objects
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with the same basename
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1. Updating objects whose basename is the samem but whose versions changed.
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1. The update is currently performed by removing the old object and creating
|
||||
the new one. In the future, rolling update of replication controllers will
|
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be implemented to keep the add-on services up and running during update of add-on
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pods.
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1. Note that this cannot happen for Services as their version is always empty.
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|
||||
|
||||
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[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/cluster/addons/README.md?pixel)]()
|
|
@ -5,6 +5,8 @@ metadata:
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namespace: default
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labels:
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k8s-app: influxGrafana
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kubernetes.io/cluster-service: "true"
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kubernetes.io/name: "influxGrafana"
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spec:
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ports:
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- name: http
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|
|
|
@ -1,3 +1,16 @@
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addon-dir-delete:
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file.absent:
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- name: /etc/kubernetes/addons
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|
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addon-dir-create:
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file.directory:
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- name: /etc/kubernetes/addons
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- user: root
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- group: root
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- mode: 0755
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- require:
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- file: addon-dir-delete
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{% if pillar.get('enable_cluster_monitoring', '').lower() == 'influxdb' %}
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/etc/kubernetes/addons/cluster-monitoring/influxdb:
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file.recurse:
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||||
|
@ -58,6 +71,13 @@
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|||
- group: root
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- mode: 755
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|
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/etc/kubernetes/kube-addon-update.sh:
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||||
file.managed:
|
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- source: salt://kube-addons/kube-addon-update.sh
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- user: root
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- group: root
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- mode: 755
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||||
|
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{% if grains['os_family'] == 'RedHat' %}
|
||||
|
||||
/usr/lib/systemd/system/kube-addons.service:
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||||
|
@ -77,6 +97,16 @@
|
|||
|
||||
{% endif %}
|
||||
|
||||
# Stop kube-addons service each time salt is executed, just in case
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# there was a modification of addons.
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# Actually, this should be handled by watching file changes, but
|
||||
# somehow it doesn't work.
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service-kube-addon-stop:
|
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service.dead:
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- name: kube-addons
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|
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kube-addons:
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||||
service.running:
|
||||
- enable: True
|
||||
- require:
|
||||
- service: service-kube-addon-stop
|
||||
|
|
|
@ -67,12 +67,7 @@ case "$1" in
|
|||
esac
|
||||
;;
|
||||
status)
|
||||
if [ ! -e ${PIDFILE} ]; then
|
||||
exit 1
|
||||
fi
|
||||
pid=$(cat ${PIDFILE})
|
||||
# Checks that ${pid} is running AND is us.
|
||||
ps --no-headers ${pid} | grep ${SCRIPTNAME} > /dev/null || exit $?
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status_of_proc -p $PIDFILE $KUBE_ADDONS_SH $NAME
|
||||
;;
|
||||
|
||||
restart|force-reload)
|
||||
|
|
|
@ -0,0 +1,443 @@
|
|||
#!/bin/bash
|
||||
|
||||
# Copyright 2015 The Kubernetes Authors 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.
|
||||
|
||||
# The business logic for whether a given object should be created
|
||||
# was already enforced by salt, and /etc/kubernetes/addons is the
|
||||
# managed result is of that. Start everything below that directory.
|
||||
|
||||
# Parameters
|
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# $1 path to add-ons
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||||
|
||||
|
||||
# LIMITATIONS
|
||||
# 1. controllers are not updated unless their name is changed
|
||||
# 3. Services will not be updated unless their name is changed,
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||||
# but for services we acually want updates without name change.
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||||
# 4. Json files are not handled at all. Currently addons must be
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||||
# in yaml files
|
||||
# 5. exit code is probably not always correct (I haven't checked
|
||||
# carefully if it works in 100% cases)
|
||||
# 6. There are no unittests
|
||||
# 8. Will not work if the total length of paths to addons is greater than
|
||||
# bash can handle. Probably it is not a problem: ARG_MAX=2097152 on GCE.
|
||||
# 9. Performance issue: yaml files are read many times in a single execution.
|
||||
|
||||
# cosmetic improvements to be done
|
||||
# 1. improve the log function; add timestamp, file name, etc.
|
||||
# 2. logging doesn't work from files that print things out.
|
||||
# 3. kubectl prints the output to stderr (the output should be captured and then
|
||||
# logged)
|
||||
|
||||
|
||||
|
||||
# global config
|
||||
KUBECTL=${TEST_KUBECTL:-/usr/local/bin/kubectl} # substitute for tests
|
||||
NUM_TRIES_FOR_CREATE=${TEST_NUM_TRIES:-100}
|
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DELAY_AFTER_CREATE_ERROR_SEC=${TEST_DELAY_AFTER_ERROR_SEC:=10}
|
||||
NUM_TRIES_FOR_STOP=${TEST_NUM_TRIES:-100}
|
||||
DELAY_AFTER_STOP_ERROR_SEC=${TEST_DELAY_AFTER_ERROR_SEC:=10}
|
||||
|
||||
if [[ ! -x ${KUBECTL} ]]; then
|
||||
echo "ERROR: kubectl command (${KUBECTL}) not found or is not executable" 1>&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
|
||||
# remember that you can't log from functions that print some output (because
|
||||
# logs are also printed on stdout)
|
||||
# $1 level
|
||||
# $2 message
|
||||
function log() {
|
||||
# manage log levels manually here
|
||||
|
||||
# add the timestamp if you find it useful
|
||||
case $1 in
|
||||
DB3 )
|
||||
# echo "$1: $2"
|
||||
;;
|
||||
DB2 )
|
||||
# echo "$1: $2"
|
||||
;;
|
||||
DBG )
|
||||
# echo "$1: $2"
|
||||
;;
|
||||
INFO )
|
||||
echo "$1: $2"
|
||||
;;
|
||||
WRN )
|
||||
echo "$1: $2"
|
||||
;;
|
||||
ERR )
|
||||
echo "$1: $2"
|
||||
;;
|
||||
* )
|
||||
echo "INVALID_LOG_LEVEL $1: $2"
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
#$1 yaml file path
|
||||
function get-object-kind-from-file() {
|
||||
# prints to stdout, so log cannot be used
|
||||
#WARNING: only yaml is supported
|
||||
cat $1 | python -c '''
|
||||
try:
|
||||
import pipes,sys,yaml
|
||||
y = yaml.load(sys.stdin)
|
||||
labels = y["metadata"]["labels"]
|
||||
if ("kubernetes.io/cluster-service", "true") not in labels.iteritems():
|
||||
# all add-ons must have the label "kubernetes.io/cluster-service".
|
||||
# Otherwise we are ignoring them (the update will not work anyway)
|
||||
print "ERROR"
|
||||
else:
|
||||
print y["kind"]
|
||||
except Exception, ex:
|
||||
print "ERROR"
|
||||
'''
|
||||
}
|
||||
|
||||
# $1 yaml file path
|
||||
function get-object-name-from-file() {
|
||||
# prints to stdout, so log cannot be used
|
||||
#WARNING: only yaml is supported
|
||||
cat $1 | python -c '''
|
||||
try:
|
||||
import pipes,sys,yaml
|
||||
y = yaml.load(sys.stdin)
|
||||
labels = y["metadata"]["labels"]
|
||||
if ("kubernetes.io/cluster-service", "true") not in labels.iteritems():
|
||||
# all add-ons must have the label "kubernetes.io/cluster-service".
|
||||
# Otherwise we are ignoring them (the update will not work anyway)
|
||||
print "ERROR"
|
||||
else:
|
||||
print y["metadata"]["name"]
|
||||
except Exception, ex:
|
||||
print "ERROR"
|
||||
'''
|
||||
}
|
||||
|
||||
# $1 addon directory path
|
||||
# $2 addon type (e.g. ReplicationController)
|
||||
# echoes the string with paths to files containing addon for the given type
|
||||
# works only for yaml files (!) (ignores json files)
|
||||
function get-addons-from-disk() {
|
||||
# prints to stdout, so log cannot be used
|
||||
local -r addon_dir=$1
|
||||
local -r obj_type=$2
|
||||
local kind
|
||||
local file_path
|
||||
for file_path in $(find ${addon_dir} -name \*.yaml); do
|
||||
kind=$(get-object-kind-from-file ${file_path})
|
||||
# WARNING: assumption that the topmost indentation is zero (I'm not sure yaml allows for topmost indentation)
|
||||
if [[ "${kind}" == "${obj_type}" ]]; then
|
||||
echo ${file_path}
|
||||
fi
|
||||
done
|
||||
}
|
||||
|
||||
# waits for all subprocesses
|
||||
# returns 0 if all of them were successful and 1 otherwise
|
||||
function wait-for-jobs() {
|
||||
local rv=0
|
||||
local pid
|
||||
for pid in $(jobs -p); do
|
||||
wait ${pid} || (rv=1; log ERR "error in pid ${pid}")
|
||||
log DB2 "pid ${pid} completed, current error code: ${rv}"
|
||||
done
|
||||
return ${rv}
|
||||
}
|
||||
|
||||
|
||||
function run-until-success() {
|
||||
local -r command=$1
|
||||
local tries=$2
|
||||
local -r delay=$3
|
||||
local -r command_name=$1
|
||||
while [ ${tries} -gt 0 ]; do
|
||||
log DBG "executing: '$command'"
|
||||
# let's give the command as an argument to bash -c, so that we can use
|
||||
# && and || inside the command itself
|
||||
/bin/bash -c "${command}" && \
|
||||
log DB3 "== Successfully executed ${command_name} at $(date -Is) ==" && \
|
||||
return 0
|
||||
let tries=tries-1
|
||||
log INFO "== Failed to execute ${command_name} at $(date -Is). ${tries} tries remaining. =="
|
||||
sleep ${delay}
|
||||
done
|
||||
return 1
|
||||
}
|
||||
|
||||
# $1 object type
|
||||
function get-addons-from-server() {
|
||||
local -r obj_type=$1
|
||||
"${KUBECTL}" get "${obj_type}" -o template -t "{{range.items}}{{.metadata.name}} {{end}}" --api-version=v1beta3 -l kubernetes.io/cluster-service=true
|
||||
}
|
||||
|
||||
# returns the characters after the last separator (including)
|
||||
# If the separator is empty or if it doesn't appear in the string,
|
||||
# an empty string is printed
|
||||
# $1 input string
|
||||
# $2 separator (must be single character, or empty)
|
||||
function get-suffix() {
|
||||
# prints to stdout, so log cannot be used
|
||||
local -r input_string=$1
|
||||
local -r separator=$2
|
||||
local suffix
|
||||
|
||||
if [[ "${separator}" == "" ]]; then
|
||||
echo ""
|
||||
return
|
||||
fi
|
||||
|
||||
if [[ "${input_string}" == *"${separator}"* ]]; then
|
||||
suffix=$(echo "${input_string}" | rev | cut -d "${separator}" -f1 | rev)
|
||||
echo "${separator}${suffix}"
|
||||
else
|
||||
echo ""
|
||||
fi
|
||||
}
|
||||
|
||||
# returns the characters up to the last '-' (without it)
|
||||
# $1 input string
|
||||
# $2 separator
|
||||
function get-basename() {
|
||||
# prints to stdout, so log cannot be used
|
||||
local -r input_string=$1
|
||||
local -r separator=$2
|
||||
local suffix
|
||||
suffix="$(get-suffix ${input_string} ${separator})"
|
||||
# this will strip the suffix (if matches)
|
||||
echo ${input_string%$suffix}
|
||||
}
|
||||
|
||||
function stop-object() {
|
||||
local -r obj_type=$1
|
||||
local -r obj_name=$2
|
||||
log INFO "Stopping ${obj_type} ${obj_name}"
|
||||
run-until-success "${KUBECTL} stop ${obj_type} ${obj_name}" ${NUM_TRIES_FOR_STOP} ${DELAY_AFTER_STOP_ERROR_SEC}
|
||||
}
|
||||
|
||||
function create-object() {
|
||||
local -r obj_type=$1
|
||||
local -r file_path=$2
|
||||
log INFO "Creating new ${obj_type} from file ${file_path}"
|
||||
run-until-success "${KUBECTL} create -f ${file_path}" ${NUM_TRIES_FOR_CREATE} ${DELAY_AFTER_CREATE_ERROR_SEC}
|
||||
}
|
||||
|
||||
function update-object() {
|
||||
local -r obj_type=$1
|
||||
local -r obj_name=$2
|
||||
local -r file_path=$3
|
||||
log INFO "updating the ${obj_type} ${obj_name} with the new definition ${file_path}"
|
||||
stop-object ${obj_type} ${obj_name}
|
||||
create-object ${obj_type} ${file_path}
|
||||
}
|
||||
|
||||
# deletes the objects from the server
|
||||
# $1 object type
|
||||
# $2 a list of object names
|
||||
function stop-objects() {
|
||||
local -r obj_type=$1
|
||||
local -r obj_names=$2
|
||||
local obj_name
|
||||
for obj_name in ${obj_names}; do
|
||||
stop-object ${obj_type} ${obj_names} &
|
||||
done
|
||||
}
|
||||
|
||||
# creates objects from the given files
|
||||
# $1 object type
|
||||
# $2 a list of paths to definition files
|
||||
function create-objects() {
|
||||
local -r obj_type=$1
|
||||
local -r file_paths=$2
|
||||
local file_path
|
||||
for file_path in ${file_paths}; do
|
||||
create-object ${obj_type} ${file_path} &
|
||||
done
|
||||
}
|
||||
|
||||
# updates objects
|
||||
# $1 object type
|
||||
# $2 a list of update specifications
|
||||
# each update specification is a ';' separated pair: <object name>;<file path>
|
||||
function update-objects() {
|
||||
local -r obj_type=$1 # ignored
|
||||
local -r update_spec=$2
|
||||
local objdesc
|
||||
for objdesc in ${update_spec}; do
|
||||
IFS=';' read -a array <<< ${objdesc}
|
||||
update-object ${obj_type} ${array[0]} ${array[1]} &
|
||||
done
|
||||
}
|
||||
|
||||
# Global variables set by function match-objects.
|
||||
for_delete="" # a list of object names to be deleted
|
||||
for_update="" # a list of pairs <obj_name>;<filePath> for objects that should be updated
|
||||
for_ignore="" # a list of object nanes that can be ignored
|
||||
new_files="" # a list of file paths that weren't matched by any existing objects (these objects must be created now)
|
||||
|
||||
|
||||
# $1 path to files with objects
|
||||
# $2 object type in the API (ReplicationController or Service)
|
||||
# $3 name separator (single character or empty)
|
||||
function match-objects() {
|
||||
local -r addon_dir=$1
|
||||
local -r obj_type=$2
|
||||
local -r separator=$3
|
||||
|
||||
# output variables (globals)
|
||||
for_delete=""
|
||||
for_update=""
|
||||
for_ignore=""
|
||||
new_files=""
|
||||
|
||||
addon_names_on_server=$(get-addons-from-server "${obj_type}")
|
||||
addon_paths_in_files=$(get-addons-from-disk "${addon_dir}" "${obj_type}")
|
||||
|
||||
log DB2 "addon_names_on_server=${addon_names_on_server}"
|
||||
log DB2 "addon_paths_in_files=${addon_paths_in_files}"
|
||||
|
||||
local matched_files=""
|
||||
|
||||
local basename_on_server=""
|
||||
local name_on_server=""
|
||||
local suffix_on_server=""
|
||||
local name_from_file=""
|
||||
local suffix_from_file=""
|
||||
local found=0
|
||||
local addon_path=""
|
||||
|
||||
for name_on_server in ${addon_names_on_server}; do
|
||||
basename_on_server=$(get-basename ${name_on_server} ${separator})
|
||||
suffix_on_server="$(get-suffix ${name_on_server} ${separator})"
|
||||
|
||||
log DB3 "Found existing addon ${name_on_server}, basename=${basename_on_server}"
|
||||
|
||||
# check if the addon is present in the directory and decide
|
||||
# what to do with it
|
||||
# this is not optimal because we're reading the files over and over
|
||||
# again. But for small number of addons it doesn't matter so much.
|
||||
found=0
|
||||
for addon_path in ${addon_paths_in_files}; do
|
||||
name_from_file=$(get-object-name-from-file ${addon_path})
|
||||
if [[ "${name_from_file}" == "ERROR" ]]; then
|
||||
log INFO "Cannot read object name from ${addon_path}. Ignoring"
|
||||
continue
|
||||
else
|
||||
log DB2 "Found object name '${name_from_file}' in file ${addon_path}"
|
||||
fi
|
||||
suffix_from_file="$(get-suffix ${name_from_file} ${separator})"
|
||||
|
||||
log DB3 "matching: ${basename_on_server}${suffix_from_file} == ${name_from_file}"
|
||||
if [[ "${basename_on_server}${suffix_from_file}" == "${name_from_file}" ]]; then
|
||||
log DB3 "matched existing ${obj_type} ${name_on_server} to file ${addon_path}; suffix_on_server=${suffix_on_server}, suffix_from_file=${suffix_from_file}"
|
||||
found=1
|
||||
matched_files="${matched_files} ${addon_path}"
|
||||
if [[ "${suffix_on_server}" == "${suffix_from_file}" ]]; then
|
||||
for_ignore="${for_ignore} ${name_from_file}"
|
||||
else
|
||||
for_update="${for_update} ${name_on_server};${addon_path}"
|
||||
fi
|
||||
break
|
||||
fi
|
||||
done
|
||||
if [[ ${found} -eq 0 ]]; then
|
||||
log DB2 "No definition file found for replication controller ${name_on_server}. Scheduling for deletion"
|
||||
for_delete="${for_delete} ${name_on_server}"
|
||||
fi
|
||||
done
|
||||
|
||||
log DB3 "matched_files=${matched_files}"
|
||||
|
||||
for addon_path in ${addon_paths_in_files}; do
|
||||
echo ${matched_files} | grep "${addon_path}" >/dev/null
|
||||
if [[ $? -ne 0 ]]; then
|
||||
new_files="${new_files} ${addon_path}"
|
||||
fi
|
||||
done
|
||||
}
|
||||
|
||||
|
||||
|
||||
function reconcile-objects() {
|
||||
local -r addon_path=$1
|
||||
local -r obj_type=$2
|
||||
local -r separator=$3 # name separator
|
||||
match-objects ${addon_path} ${obj_type} ${separator}
|
||||
|
||||
log DBG "${obj_type}: for_delete=${for_delete}"
|
||||
log DBG "${obj_type}: for_update=${for_update}"
|
||||
log DBG "${obj_type}: for_ignore=${for_ignore}"
|
||||
log DBG "${obj_type}: new_files=${new_files}"
|
||||
|
||||
stop-objects "${obj_type}" "${for_delete}"
|
||||
# wait for jobs below is a protection against changing the basename
|
||||
# of a replication controllerm without changing the selector.
|
||||
# If we don't wait, the new rc may be created before the old one is deleted
|
||||
# In such case the old one will wait for all its pods to be gone, but the pods
|
||||
# are created by the new replication controller.
|
||||
# passing --cascade=false could solve the problem, but we want
|
||||
# all orphan pods to be deleted.
|
||||
wait-for-jobs
|
||||
stopResult=$?
|
||||
|
||||
create-objects "${obj_type}" "${new_files}"
|
||||
update-objects "${obj_type}" "${for_update}"
|
||||
|
||||
local obj
|
||||
for obj in ${for_ignore}; do
|
||||
log DB2 "The ${obj_type} ${obj} is already up to date"
|
||||
done
|
||||
|
||||
wait-for-jobs
|
||||
createUpdateResult=$?
|
||||
|
||||
if [[ ${stopResult} -eq 0 ]] && [[ ${createUpdateResult} -eq 0 ]]; then
|
||||
return 0
|
||||
else
|
||||
return 1
|
||||
fi
|
||||
}
|
||||
|
||||
function update-addons() {
|
||||
local -r addon_path=$1
|
||||
# be careful, reconcile-objects uses global variables
|
||||
reconcile-objects ${addon_path} ReplicationController "-" &
|
||||
|
||||
# We don't expect service names to be versioned, so
|
||||
# we match entire name, ignoring version suffix.
|
||||
# That's why we pass an empty string as the version separator.
|
||||
# If the service description differs on disk, the service should be recreated.
|
||||
# This is not implemented in this version.
|
||||
reconcile-objects ${addon_path} Service "" &
|
||||
|
||||
wait-for-jobs
|
||||
if [[ $? -eq 0 ]]; then
|
||||
log INFO "== Kubernetes addon update completed successfully at $(date -Is) =="
|
||||
else
|
||||
log WRN "== Kubernetes addon update completed with errors at $(date -Is) =="
|
||||
fi
|
||||
}
|
||||
|
||||
if [[ $# -ne 1 ]]; then
|
||||
echo "Illegal number of parameters" 1>&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
addon_path=$1
|
||||
update-addons ${addon_path}
|
||||
|
|
@ -81,7 +81,7 @@ function create-resource-from-string() {
|
|||
local -r config_string=$1;
|
||||
local tries=$2;
|
||||
local -r delay=$3;
|
||||
local -r config_name=$1;
|
||||
local -r config_name=$4;
|
||||
while [ ${tries} -gt 0 ]; do
|
||||
echo "${config_string}" | ${KUBECTL} create -f - && \
|
||||
echo "== Successfully started ${config_name} at $(date -Is)" && \
|
||||
|
@ -104,6 +104,7 @@ echo "== Kubernetes addon manager started at $(date -Is) =="
|
|||
# at the same time as the services that use them.
|
||||
# NOTE: needs to run as root to read this file.
|
||||
# Read each line in the csv file of tokens.
|
||||
# Expect errors when the script is started again.
|
||||
while read line; do
|
||||
# Split each line into the token and username.
|
||||
IFS=',' read -a parts <<< "${line}"
|
||||
|
@ -120,22 +121,13 @@ for obj in $(find /etc/kubernetes/admission-controls \( -name \*.yaml -o -name \
|
|||
echo "++ obj ${obj} is created ++"
|
||||
done
|
||||
|
||||
for obj in $(find /etc/kubernetes/addons \( -name \*.yaml -o -name \*.json \)); do
|
||||
start_addon ${obj} 100 10 &
|
||||
echo "++ addon ${obj} starting in pid $! ++"
|
||||
# Check if the configuration has changed recently - in case the user
|
||||
# created/updated/deleted the files on the master.
|
||||
while true; do
|
||||
#kube-addon-update.sh must be deployed in the same directory as this file
|
||||
`dirname $0`/kube-addon-update.sh /etc/kubernetes/addons
|
||||
sleep 600
|
||||
done
|
||||
noerrors="true"
|
||||
for pid in $(jobs -p); do
|
||||
wait ${pid} || noerrors="false"
|
||||
echo "++ pid ${pid} complete ++"
|
||||
done
|
||||
if [ ${noerrors} == "true" ]; then
|
||||
echo "== Kubernetes addon manager completed successfully at $(date -Is) =="
|
||||
else
|
||||
echo "== Kubernetes addon manager completed with errors at $(date -Is) =="
|
||||
fi
|
||||
|
||||
# We stay around so that status checks by salt make it look like
|
||||
# the service is good. (We could do this is other ways, but this
|
||||
# is simple.)
|
||||
sleep infinity
|
||||
|
||||
|
||||
|
|
|
@ -25,6 +25,14 @@
|
|||
{% endif %}
|
||||
|
||||
# Used to restart kube-master-addons service each time salt is run
|
||||
# Actually, it doens't work (the service is not restarted),
|
||||
# but master-addon service always terminates after it does it job,
|
||||
# so it is (usually) not running and it will be started when
|
||||
# salt is run.
|
||||
# This salt state is not removed because there is a risk
|
||||
# of introducing regression in 1.0. Please remove it afterwards.
|
||||
# See also the salt config for kube-addons to see how to restart
|
||||
# a service on demand.
|
||||
master-docker-image-tags:
|
||||
file.touch:
|
||||
- name: /srv/pillar/docker-images.sls
|
||||
|
|
|
@ -67,12 +67,7 @@ case "$1" in
|
|||
esac
|
||||
;;
|
||||
status)
|
||||
if [ ! -e ${PIDFILE} ]; then
|
||||
exit 1
|
||||
fi
|
||||
pid=$(cat ${PIDFILE})
|
||||
# Checks that ${pid} is running AND is us.
|
||||
ps --no-headers ${pid} | grep ${SCRIPTNAME} > /dev/null || exit $?
|
||||
status_of_proc -p $PIDFILE $KUBE_MASTER_ADDONS_SH $NAME
|
||||
;;
|
||||
|
||||
restart|force-reload)
|
||||
|
|
|
@ -38,3 +38,5 @@ while true; do
|
|||
|
||||
done;
|
||||
|
||||
# Now exit. After kube-push, salt will notice that the service is down and it
|
||||
# will start it and new docker images will be loaded.
|
||||
|
|
|
@ -2,7 +2,7 @@ logrotate:
|
|||
pkg:
|
||||
- installed
|
||||
|
||||
{% set logrotate_files = ['kube-scheduler', 'kube-proxy', 'kubelet', 'kube-apiserver', 'kube-controller-manager'] %}
|
||||
{% set logrotate_files = ['kube-scheduler', 'kube-proxy', 'kubelet', 'kube-apiserver', 'kube-controller-manager', 'kube-addons'] %}
|
||||
{% for file in logrotate_files %}
|
||||
/etc/logrotate.d/{{ file }}:
|
||||
file:
|
||||
|
|
|
@ -30,6 +30,14 @@ monit:
|
|||
- mode: 644
|
||||
{% endif %}
|
||||
|
||||
/etc/monit/conf.d/kube-addons:
|
||||
file:
|
||||
- managed
|
||||
- source: salt://monit/kube-addons
|
||||
- user: root
|
||||
- group: root
|
||||
- mode: 644
|
||||
|
||||
/etc/monit/monit_watcher.sh:
|
||||
file.managed:
|
||||
- source: salt://monit/monit_watcher.sh
|
||||
|
|
|
@ -0,0 +1,5 @@
|
|||
check process kube-addons with pidfile /var/run/kube-addons.pid
|
||||
group kube-addons
|
||||
start program = "/etc/init.d/kube-addons start"
|
||||
stop program = "/etc/init.d/kube-addons stop"
|
||||
if does not exist then restart
|
|
@ -86,7 +86,7 @@ func verifyExpectedRcsExistAndGetExpectedPods(c *client.Client) ([]string, error
|
|||
return nil, err
|
||||
}
|
||||
if len(rcList.Items) != 1 {
|
||||
return nil, fmt.Errorf("expected to find one replicat for RC with label %s but got %d",
|
||||
return nil, fmt.Errorf("expected to find one replica for RC with label %s but got %d",
|
||||
rcLabel, len(rcList.Items))
|
||||
}
|
||||
for _, rc := range rcList.Items {
|
||||
|
|
Loading…
Reference in New Issue