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kubespray
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common role in order to support other linux distribs

pull/41/head
Smaine Kahlouch 2015-12-30 22:15:18 +01:00
parent 9f07f2a951
commit dbb6f4934e
15 changed files with 17619 additions and 162 deletions
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6
cluster.yml
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@ -1,11 +1,7 @@
---
- hosts: downloader
sudo: no
roles:
- { role: download, tags: download }
- hosts: k8s-cluster
roles:
- { role: common, tags: common }
- { role: docker, tags: docker }
- { role: kubernetes/node, tags: node }
- { role: etcd, tags: etcd }

13
roles/common/defaults/main.yml
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@ -5,16 +5,19 @@ flannel_version: 0.5.5
kube_version: v1.1.3
kubectl_checksum: "01b9bea18061a27b1cf30e34fd8ab45cfc096c9a9d57d0ed21072abb40dd3d1d"
kubelet_checksum: "62191c66f2d670dd52ddf1d88ef81048977abf1ffaa95ee6333299447eb6a482"
kube_download_url: "https://storage.googleapis.com/kubernetes-release/release/{{ kube_version }}/bin/linux/amd64"
calico_version: v0.13.0
calico_plugin_version: v0.7.0
etcd_download_url: "https://github.com/coreos/etcd/releases/download"
flannel_download_url: "https://github.com/coreos/flannel/releases/download"
kube_download_url: "https://storage.googleapis.com/kubernetes-release/release/{{ kube_version }}/bin/linux/amd64"
calico_download_url: "https://github.com/Metaswitch/calico-docker/releases/download"
calico_plugin_download_url: "https://github.com/projectcalico/calico-kubernetes/releases/download/{{calico_plugin_version}}/calico_kubernetes"
ansible_python_interpreter: PATH="{{ ansible_user_dir }}"/bin:$PATH python
pip_python_modules:
- httplib2
req_debian_pkg:
- python-httplib2
- python-apt
- python-pip
pypy_version: 2.4.0
python_pypy_url: "https://bitbucket.org/pypy/pypy/downloads/pypy-{{ pypy_version }}.tar.bz2"

29
roles/common/files/bootstrap.sh 100644
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@ -0,0 +1,29 @@
#/bin/bash
set -e
BINDIR="/usr/local/bin"
cd $BINDIR
if [[ -e $BINDIR/.bootstrapped ]]; then
exit 0
fi
PYPY_VERSION=2.4.0
wget -O - https://bitbucket.org/pypy/pypy/downloads/pypy-$PYPY_VERSION-linux64.tar.bz2 |tar -xjf -
mv -n pypy-$PYPY_VERSION-linux64 pypy
## library fixup
mkdir -p pypy/lib
ln -snf /lib64/libncurses.so.5.9 $BINDIR/pypy/lib/libtinfo.so.5
cat > $BINDIR/python <<EOF
#!/bin/bash
LD_LIBRARY_PATH=$BINDIR/pypy/lib:$LD_LIBRARY_PATH exec $BINDIR/pypy/bin/pypy "\$@"
EOF
chmod +x $BINDIR/python
$BINDIR/python --version
touch $BINDIR/.bootstrapped

17474
roles/common/files/get-pip.py 100644
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3
roles/common/files/runner 100644
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@ -0,0 +1,3 @@
#!/bin/bash
BINDIR="/usr/local/bin"
LD_LIBRARY_PATH=$BINDIR/pypy/lib:$LD_LIBRARY_PATH $BINDIR/pypy/bin/$(basename $0) $@

27
roles/common/tasks/calico.yml
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@ -1,27 +0,0 @@
---
- name: Create calico release directory
local_action: file
path={{ local_release_dir }}/calico/bin
recurse=yes
state=directory
delegate_to: "{{ groups['kube-master'][0] }}"
- name: Check if calicoctl has been downloaded
local_action: stat
path={{ local_release_dir }}/calico/bin/calicoctl
register: c_tar
delegate_to: "{{ groups['kube-master'][0] }}"
# issues with get_url module and redirects, to be tested again in the near future
- name: Download calico
local_action: shell
curl -o {{ local_release_dir }}/calico/bin/calicoctl -Ls {{ calico_download_url }}/{{ calico_version }}/calicoctl
when: not c_tar.stat.exists
register: dl_calico
delegate_to: "{{ groups['kube-master'][0] }}"
- name: Download calico-kubernetes-plugin
local_action: get_url
url="{{calico_plugin_download_url}}"
dest="{{ local_release_dir }}/calico/bin/calico"

44
roles/download/tasks/flannel.yml → roles/common/tasks/download.yml
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@ -1,4 +1,31 @@
---
- name: Create calico release directory
local_action: file
path={{ local_release_dir }}/calico/bin
recurse=yes
state=directory
delegate_to: "{{ groups['kube-master'][0] }}"
- name: Check if calicoctl has been downloaded
local_action: stat
path={{ local_release_dir }}/calico/bin/calicoctl
register: c_tar
delegate_to: "{{ groups['kube-master'][0] }}"
# issues with get_url module and redirects, to be tested again in the near future
- name: Download calico
local_action: shell
curl -o {{ local_release_dir }}/calico/bin/calicoctl -Ls {{ calico_download_url }}/{{ calico_version }}/calicoctl
when: not c_tar.stat.exists
register: dl_calico
delegate_to: "{{ groups['kube-master'][0] }}"
- name: Download calico-kubernetes-plugin
local_action: get_url
url="{{calico_plugin_download_url}}"
dest="{{ local_release_dir }}/calico/bin/calico"
- name: Create flannel release directory
local_action: file
path={{ local_release_dir }}/flannel
@ -37,3 +64,20 @@
local_action: file
path={{ local_release_dir }}/flannel/flannel-{{ flannel_version }} state=absent
when: dl_flannel|changed
- name: Create kubernetes binary directory
local_action: file
path="{{ local_release_dir }}/kubernetes/bin"
state=directory
recurse=yes
- name: Download kubelet and kubectl
local_action: get_url
url="{{ kube_download_url }}/{{ item.name }}"
dest="{{ local_release_dir }}/kubernetes/bin"
sha256sum="{{ item.checksum }}"
with_items:
- name: kubelet
checksum: "{{ kubelet_checksum }}"
- name: kubectl
checksum: "{{ kubectl_checksum }}"

39
roles/common/tasks/flannel.yml
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@ -1,39 +0,0 @@
---
- name: Create flannel release directory
local_action: file
path={{ local_release_dir }}/flannel
recurse=yes
state=directory
delegate_to: "{{ groups['kube-master'][0] }}"
- name: Check if flannel release archive has been downloaded
local_action: stat
path={{ local_release_dir }}/flannel/flannel-{{ flannel_version }}-linux-amd64.tar.gz
register: f_tar
delegate_to: "{{ groups['kube-master'][0] }}"
# issues with get_url module and redirects, to be tested again in the near future
- name: Download flannel
local_action: shell
curl -o {{ local_release_dir }}/flannel/flannel-{{ flannel_version }}-linux-amd64.tar.gz -Ls {{ flannel_download_url }}/v{{ flannel_version }}/flannel-{{ flannel_version }}-linux-amd64.tar.gz
when: not f_tar.stat.exists
register: dl_flannel
delegate_to: "{{ groups['kube-master'][0] }}"
- name: Extract flannel archive
local_action: unarchive
src={{ local_release_dir }}/flannel/flannel-{{ flannel_version }}-linux-amd64.tar.gz
dest={{ local_release_dir }}/flannel copy=no
when: dl_flannel|changed
delegate_to: "{{ groups['kube-master'][0] }}"
- name: Pick up only flannel binaries
local_action: copy
src={{ local_release_dir }}/flannel/flannel-{{ flannel_version }}/flanneld
dest={{ local_release_dir }}/flannel/bin
when: dl_flannel|changed
- name: Delete unused flannel files
local_action: file
path={{ local_release_dir }}/flannel/flannel-{{ flannel_version }} state=absent
when: dl_flannel|changed

17
roles/common/tasks/kubernetes.yml
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@ -1,17 +0,0 @@
---
- name: Create kubernetes binary directory
local_action: file
path="{{ local_release_dir }}/kubernetes/bin"
state=directory
recurse=yes
- name: Download kubelet and kubectl
local_action: get_url
url="{{ kube_download_url }}/{{ item.name }}"
dest="{{ local_release_dir }}/kubernetes/bin"
sha256sum="{{ item.checksum }}"
with_items:
- name: kubelet
checksum: "{{ kubelet_checksum }}"
- name: kubectl
checksum: "{{ kubectl_checksum }}"

24
roles/common/tasks/main.yml
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@ -3,10 +3,24 @@
delegate_to: localhost
when: inventory_hostname == "{{ groups['kube-master'][0] }}"
- include: pip-bootstrap.yml
- name: "Identify init system"
shell: >
if $(pgrep systemd > /dev/null); then
echo systemd;
else echo sysvinit;
fi
always_run: True
register: init_system_output
- name: Install httplib2 python module
pip:
executable: "{{ ansible_user_dir }}/bin/pip"
- set_fact:
init_system: "{{ init_system_output.stdout }}"
- name: Install debian packages requirements
apt:
name: "{{ item }}"
with_items: pip_python_modules
state: latest
when: ansible_os_family == "Debian"
with_items: req_debian_pkg
- include: python-bootstrap.yml
when: ansible_os_family not in [ "Debian", "RedHat" ]

41
roles/common/tasks/python-bootstrap.yml 100644
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@ -0,0 +1,41 @@
---
- name: Python | Check if bootstrap is needed
raw: stat {{ bin_dir}}/.bootstrapped
register: need_bootstrap
ignore_errors: True
- name: Python | Run bootstrap.sh
script: bootstrap.sh
when: need_bootstrap | failed
- set_fact:
ansible_python_interpreter: "{{ bin_dir }}/python"
- name: Python | Check if we need to install pip
shell: "{{ansible_python_interpreter}} -m pip --version"
register: need_pip
ignore_errors: True
changed_when: false
when: need_bootstrap | failed
- name: Python | Copy get-pip.py
copy: src=get-pip.py dest=~/get-pip.py
when: need_pip | failed
- name: Python | Install pip
shell: "{{ansible_python_interpreter}} ~/get-pip.py"
when: need_pip | failed
- name: Python | Remove get-pip.py
file: path=~/get-pip.py state=absent
when: need_pip | failed
- name: Python | Install pip launcher
copy: src=runner dest={{ bin_dir }}/pip mode=0755
when: need_pip | failed
- name: Install required python modules
pip:
name: "{{ item }}"
with_items: pip_python_modules

16
roles/download/defaults/main.yml
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@ -1,16 +0,0 @@
---
etcd_version: v2.2.2
flannel_version: 0.5.5
kube_version: v1.1.3
kubectl_checksum: "01b9bea18061a27b1cf30e34fd8ab45cfc096c9a9d57d0ed21072abb40dd3d1d"
kubelet_checksum: "62191c66f2d670dd52ddf1d88ef81048977abf1ffaa95ee6333299447eb6a482"
calico_version: v0.13.0
calico_plugin_version: v0.7.0
etcd_download_url: "https://github.com/coreos/etcd/releases/download"
flannel_download_url: "https://github.com/coreos/flannel/releases/download"
kube_download_url: "https://storage.googleapis.com/kubernetes-release/release/{{ kube_version }}/bin/linux/amd64"
calico_download_url: "https://github.com/Metaswitch/calico-docker/releases/download"
calico_plugin_download_url: "https://github.com/projectcalico/calico-kubernetes/releases/download/{{calico_plugin_version}}/calico_kubernetes"

27
roles/download/tasks/calico.yml
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@ -1,27 +0,0 @@
---
- name: Create calico release directory
local_action: file
path={{ local_release_dir }}/calico/bin
recurse=yes
state=directory
delegate_to: "{{ groups['kube-master'][0] }}"
- name: Check if calicoctl has been downloaded
local_action: stat
path={{ local_release_dir }}/calico/bin/calicoctl
register: c_tar
delegate_to: "{{ groups['kube-master'][0] }}"
# issues with get_url module and redirects, to be tested again in the near future
- name: Download calico
local_action: shell
curl -o {{ local_release_dir }}/calico/bin/calicoctl -Ls {{ calico_download_url }}/{{ calico_version }}/calicoctl
when: not c_tar.stat.exists
register: dl_calico
delegate_to: "{{ groups['kube-master'][0] }}"
- name: Download calico-kubernetes-plugin
local_action: get_url
url="{{calico_plugin_download_url}}"
dest="{{ local_release_dir }}/calico/bin/calico"

17
roles/download/tasks/kubernetes.yml
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@ -1,17 +0,0 @@
---
- name: Create kubernetes binary directory
local_action: file
path="{{ local_release_dir }}/kubernetes/bin"
state=directory
recurse=yes
- name: Download kubelet and kubectl
local_action: get_url
url="{{ kube_download_url }}/{{ item.name }}"
dest="{{ local_release_dir }}/kubernetes/bin"
sha256sum="{{ item.checksum }}"
with_items:
- name: kubelet
checksum: "{{ kubelet_checksum }}"
- name: kubectl
checksum: "{{ kubectl_checksum }}"

4
roles/download/tasks/main.yml
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@ -1,4 +0,0 @@
---
- include: kubernetes.yml
- include: calico.yml
- include: flannel.yml