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-rw-r--r--roles/flannel/README.md45
-rw-r--r--roles/flannel/defaults/main.yaml8
-rw-r--r--roles/flannel/handlers/main.yml8
-rw-r--r--roles/flannel/meta/main.yml16
-rw-r--r--roles/flannel/tasks/main.yml43
-rw-r--r--roles/flannel_register/README.md47
-rw-r--r--roles/flannel_register/defaults/main.yaml11
-rw-r--r--roles/flannel_register/meta/main.yml16
-rw-r--r--roles/flannel_register/tasks/main.yml14
-rw-r--r--roles/flannel_register/templates/flannel-config.json8
-rw-r--r--roles/openshift_common/tasks/main.yml5
-rwxr-xr-xroles/openshift_facts/library/openshift_facts.py18
12 files changed, 239 insertions, 0 deletions
diff --git a/roles/flannel/README.md b/roles/flannel/README.md
new file mode 100644
index 000000000..b8aa830ac
--- /dev/null
+++ b/roles/flannel/README.md
@@ -0,0 +1,45 @@
+Role Name
+=========
+
+Configure flannel on openshift nodes
+
+Requirements
+------------
+
+This role assumes it's being deployed on a RHEL/Fedora based host with package
+named 'flannel' available via yum, in version superior to 0.3.
+
+Role Variables
+--------------
+
+| Name | Default value | Description |
+|---------------------|-----------------------------------------|-----------------------------------------------|
+| flannel_interface | ansible_default_ipv4.interface | interface to use for inter-host communication |
+| flannel_etcd_key | /openshift.com/network | etcd prefix |
+| etcd_hosts | etcd_urls | a list of etcd endpoints |
+| etcd_conf_dir | {{ openshift.common.config_base }}/node | SSL certificates directory |
+| etcd_peer_ca_file | {{ etcd_conf_dir }}/ca.crt | SSL CA to use for etcd |
+| etcd_peer_cert_file | Openshift SSL cert | SSL cert to use for etcd |
+| etcd_peer_key_file | Openshift SSL key | SSL key to use for etcd |
+
+Dependencies
+------------
+
+openshift_facts
+
+Example Playbook
+----------------
+
+ - hosts: openshift_node
+ roles:
+ - { role: flannel, etcd_urls: ['https://127.0.0.1:2379'] }
+
+License
+-------
+
+Apache License, Version 2.0
+
+Author Information
+------------------
+
+Sylvain Baubeau <sbaubeau@redhat.com>
diff --git a/roles/flannel/defaults/main.yaml b/roles/flannel/defaults/main.yaml
new file mode 100644
index 000000000..34cebda9c
--- /dev/null
+++ b/roles/flannel/defaults/main.yaml
@@ -0,0 +1,8 @@
+---
+flannel_interface: "{{ ansible_default_ipv4.interface }}"
+flannel_etcd_key: /openshift.com/network
+etcd_hosts: "{{ etcd_urls }}"
+etcd_conf_dir: "{{ openshift.common.config_base }}/node"
+etcd_peer_ca_file: "{{ etcd_conf_dir }}/{{ 'ca' if (embedded_etcd | bool) else 'node.etcd-ca' }}.crt"
+etcd_peer_cert_file: "{{ etcd_conf_dir }}/{{ 'system:node:' + openshift.common.hostname if (embedded_etcd | bool) else 'node.etcd-client' }}.crt"
+etcd_peer_key_file: "{{ etcd_conf_dir }}/{{ 'system:node:' + openshift.common.hostname if (embedded_etcd | bool) else 'node.etcd-client' }}.key"
diff --git a/roles/flannel/handlers/main.yml b/roles/flannel/handlers/main.yml
new file mode 100644
index 000000000..f9b9ae7f1
--- /dev/null
+++ b/roles/flannel/handlers/main.yml
@@ -0,0 +1,8 @@
+---
+- name: restart flanneld
+ sudo: true
+ service: name=flanneld state=restarted
+
+- name: restart docker
+ sudo: true
+ service: name=docker state=restarted
diff --git a/roles/flannel/meta/main.yml b/roles/flannel/meta/main.yml
new file mode 100644
index 000000000..909bdbfa4
--- /dev/null
+++ b/roles/flannel/meta/main.yml
@@ -0,0 +1,16 @@
+---
+galaxy_info:
+ author: Sylvain
+ description: flannel management
+ company: Red Hat, Inc.
+ license: Apache License, Version 2.0
+ min_ansible_version: 1.2
+ platforms:
+ - name: EL
+ versions:
+ - 7
+ categories:
+ - cloud
+ - system
+dependencies:
+- { role: openshift_facts }
diff --git a/roles/flannel/tasks/main.yml b/roles/flannel/tasks/main.yml
new file mode 100644
index 000000000..acfb009ec
--- /dev/null
+++ b/roles/flannel/tasks/main.yml
@@ -0,0 +1,43 @@
+---
+- name: Install flannel
+ sudo: true
+ yum: pkg=flannel state=present
+
+- name: Set flannel etcd url
+ sudo: true
+ lineinfile:
+ dest: /etc/sysconfig/flanneld
+ backrefs: yes
+ regexp: "^(FLANNEL_ETCD=)"
+ line: '\1{{ etcd_hosts|join(",") }}'
+
+- name: Set flannel etcd key
+ sudo: true
+ lineinfile:
+ dest: /etc/sysconfig/flanneld
+ backrefs: yes
+ regexp: "^(FLANNEL_ETCD_KEY=)"
+ line: '\1{{ flannel_etcd_key }}'
+
+- name: Set flannel options
+ sudo: true
+ lineinfile:
+ dest: /etc/sysconfig/flanneld
+ backrefs: yes
+ regexp: "^#?(FLANNEL_OPTIONS=)"
+ line: '\1--iface {{ flannel_interface }} --etcd-cafile={{ etcd_peer_ca_file }} --etcd-keyfile={{ etcd_peer_key_file }} --etcd-certfile={{ etcd_peer_cert_file }}'
+
+- name: Enable flanneld
+ sudo: true
+ service:
+ name: flanneld
+ state: started
+ enabled: yes
+ register: start_result
+
+- name: Remove docker bridge ip
+ sudo: true
+ shell: ip a del `ip a show docker0 | grep "inet[[:space:]]" | awk '{print $2}'` dev docker0
+ notify:
+ - restart docker
+ - restart node
diff --git a/roles/flannel_register/README.md b/roles/flannel_register/README.md
new file mode 100644
index 000000000..ba7541ab1
--- /dev/null
+++ b/roles/flannel_register/README.md
@@ -0,0 +1,47 @@
+Role Name
+=========
+
+Register flannel configuration into etcd
+
+Requirements
+------------
+
+This role assumes it's being deployed on a RHEL/Fedora based host with package
+named 'flannel' available via yum, in version superior to 0.3.
+
+Role Variables
+--------------
+
+| Name | Default value | Description |
+|---------------------|----------------------------------------------------|-------------------------------------------------|
+| flannel_network | {{ openshift.master.portal_net }} or 172.16.1.1/16 | interface to use for inter-host communication |
+| flannel_min_network | {{ min_network }} or 172.16.5.0 | beginning of IP range for the subnet allocation |
+| flannel_subnet_len | /openshift.com/network | size of the subnet allocated to each host |
+| flannel_etcd_key | /openshift.com/network | etcd prefix |
+| etcd_hosts | etcd_urls | a list of etcd endpoints |
+| etcd_conf_dir | {{ openshift.common.config_base }}/master | SSL certificates directory |
+| etcd_peer_ca_file | {{ etcd_conf_dir }}/ca.crt | SSL CA to use for etcd |
+| etcd_peer_cert_file | {{ etcd_conf_dir }}/master.etcd-client.crt | SSL cert to use for etcd |
+| etcd_peer_key_file | {{ etcd_conf_dir }}/master.etcd-client.key | SSL key to use for etcd |
+
+Dependencies
+------------
+
+openshift_facts
+
+Example Playbook
+----------------
+
+ - hosts: openshift_master
+ roles:
+ - { flannel_register }
+
+License
+-------
+
+Apache License, Version 2.0
+
+Author Information
+------------------
+
+Sylvain Baubeau <sbaubeau@redhat.com>
diff --git a/roles/flannel_register/defaults/main.yaml b/roles/flannel_register/defaults/main.yaml
new file mode 100644
index 000000000..269d1a17c
--- /dev/null
+++ b/roles/flannel_register/defaults/main.yaml
@@ -0,0 +1,11 @@
+---
+flannel_network: "{{ openshift.master.portal_net | default('172.30.0.0/16', true) }}"
+flannel_min_network: 172.30.5.0
+flannel_subnet_len: 24
+flannel_etcd_key: /openshift.com/network
+etcd_hosts: "{{ etcd_urls }}"
+etcd_conf_dir: "{{ openshift.common.config_base }}/master"
+etcd_peer_ca_file: "{{ etcd_conf_dir + '/ca.crt' if (openshift.master.embedded_etcd | bool) else etcd_conf_dir + '/master.etcd-ca.crt' }}"
+etcd_peer_cert_file: "{{ etcd_conf_dir }}/master.etcd-client.crt"
+etcd_peer_key_file: "{{ etcd_conf_dir }}/master.etcd-client.key"
+
diff --git a/roles/flannel_register/meta/main.yml b/roles/flannel_register/meta/main.yml
new file mode 100644
index 000000000..73bddcca4
--- /dev/null
+++ b/roles/flannel_register/meta/main.yml
@@ -0,0 +1,16 @@
+---
+galaxy_info:
+ author: Sylvain
+ description: register flannel configuration into etcd
+ company: Red Hat, Inc.
+ license: Apache License, Version 2.0
+ min_ansible_version: 1.2
+ platforms:
+ - name: EL
+ versions:
+ - 7
+ categories:
+ - cloud
+ - system
+dependencies:
+- { role: openshift_facts }
diff --git a/roles/flannel_register/tasks/main.yml b/roles/flannel_register/tasks/main.yml
new file mode 100644
index 000000000..1629157c8
--- /dev/null
+++ b/roles/flannel_register/tasks/main.yml
@@ -0,0 +1,14 @@
+---
+- name: Assures /etc/flannel dir exists
+ sudo: true
+ file: path=/etc/flannel state=directory
+
+- name: Generate etcd configuration for etcd
+ sudo: true
+ template:
+ src: "flannel-config.json"
+ dest: "/etc/flannel/config.json"
+
+- name: Insert flannel configuration into etcd
+ sudo: true
+ command: 'curl -L --cacert "{{ etcd_peer_ca_file }}" --cert "{{ etcd_peer_cert_file }}" --key "{{ etcd_peer_key_file }}" "{{ etcd_hosts[0] }}/v2/keys{{ flannel_etcd_key }}/config" -XPUT --data-urlencode value@/etc/flannel/config.json'
diff --git a/roles/flannel_register/templates/flannel-config.json b/roles/flannel_register/templates/flannel-config.json
new file mode 100644
index 000000000..89ce4c30b
--- /dev/null
+++ b/roles/flannel_register/templates/flannel-config.json
@@ -0,0 +1,8 @@
+{
+ "Network": "{{ flannel_network }}",
+ "SubnetLen": {{ flannel_subnet_len }},
+ "SubnetMin": "{{ flannel_min_network }}",
+ "Backend": {
+ "Type": "host-gw"
+ }
+}
diff --git a/roles/openshift_common/tasks/main.yml b/roles/openshift_common/tasks/main.yml
index 73bd28630..38d5a08e4 100644
--- a/roles/openshift_common/tasks/main.yml
+++ b/roles/openshift_common/tasks/main.yml
@@ -1,4 +1,8 @@
---
+- fail:
+ msg: Flannel can not be used with openshift sdn
+ when: openshift_use_openshift_sdn | default(false) | bool and openshift_use_flannel | default(false) | bool
+
- name: Set common Cluster facts
openshift_facts:
role: common
@@ -13,6 +17,7 @@
sdn_network_plugin_name: "{{ os_sdn_network_plugin_name | default(None) }}"
deployment_type: "{{ openshift_deployment_type }}"
use_fluentd: "{{ openshift_use_fluentd | default(None) }}"
+ use_flannel: "{{ openshift_use_flannel | default(None) }}"
- name: Set hostname
hostname: name={{ openshift.common.hostname }}
diff --git a/roles/openshift_facts/library/openshift_facts.py b/roles/openshift_facts/library/openshift_facts.py
index 33aca987d..73d89b635 100755
--- a/roles/openshift_facts/library/openshift_facts.py
+++ b/roles/openshift_facts/library/openshift_facts.py
@@ -307,6 +307,23 @@ def set_fluentd_facts_if_unset(facts):
facts['common']['use_fluentd'] = use_fluentd
return facts
+def set_flannel_facts_if_unset(facts):
+ """ Set flannel facts if not already present in facts dict
+ dict: the facts dict updated with the flannel facts if
+ missing
+ Args:
+ facts (dict): existing facts
+ Returns:
+ dict: the facts dict updated with the flannel
+ facts if they were not already present
+
+ """
+ if 'common' in facts:
+ if 'use_flannel' not in facts['common']:
+ use_flannel = False
+ facts['common']['use_flannel'] = use_flannel
+ return facts
+
def set_node_schedulability(facts):
""" Set schedulable facts if not already present in facts dict
Args:
@@ -911,6 +928,7 @@ class OpenShiftFacts(object):
facts = set_url_facts_if_unset(facts)
facts = set_project_cfg_facts_if_unset(facts)
facts = set_fluentd_facts_if_unset(facts)
+ facts = set_flannel_facts_if_unset(facts)
facts = set_node_schedulability(facts)
facts = set_master_selectors(facts)
facts = set_metrics_facts_if_unset(facts)