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@yaegashi
Last active Oct 23, 2016
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$ ansible-playbook -i localhost, basicexp-playbook.yml
PLAY [localhost] **************************************************************
TASK: [OK: ['a', 'b', 'c']] ***************************************************
ok: [localhost] => {
"msg": [
"a",
"b",
"c"
]
}
TASK: [OK: 'a,b,c'] ***********************************************************
ok: [localhost] => {
"msg": "a,b,c"
}
TASK: [OK: ['a', 'b']] ********************************************************
ok: [localhost] => {
"msg": [
"a",
"b"
]
}
TASK: [OK: a,b,c] *************************************************************
ok: [localhost] => {
"msg": "a,b,c"
}
TASK: [NG: Sequence assignment] ***********************************************
skipping: [localhost]
TASK: [NG: Built-in functions like len(), map()] ******************************
skipping: [localhost]
TASK: [NG: Expression only in {% %} statement] ********************************
skipping: [localhost]
TASK: [NG: Expression-statement expansion] ************************************
skipping: [localhost]
TASK: [OK: ['a', 'b', 'c', 1]] ************************************************
ok: [localhost] => {
"msg": [
"a",
"b",
"c",
1
]
}
TASK: [OK: ['a', 'b', 'c', 1, 2, 3]] ******************************************
ok: [localhost] => {
"msg": [
"a",
"b",
"c",
1,
2,
3
]
}
TASK: [OK: ['a', 'b', 'c', 1]] ************************************************
ok: [localhost] => {
"msg": [
1
]
}
PLAY RECAP ********************************************************************
localhost : ok=7 changed=0 unreachable=0 failed=0
---
- hosts: localhost
gather_facts: no
vars:
strabc: a,b,c
listabc: [a, b, c]
tasks:
- name: "OK: ['a', 'b', 'c']"
debug:
msg: |
{{ strabc.split(',') }}
- name: "OK: 'a,b,c'"
debug:
msg: |
{{ ','.join(listabc) }}
- name: "OK: ['a', 'b']"
debug:
msg: |
{{ listabc[0:2] }}
- name: "OK: a,b,c"
debug:
msg: |
{% set o = strabc %}
{{ o }}
- name: "NG: Sequence assignment"
debug:
msg: |
{% set listabc[0] = 1 %}
{{ listabc }}
when: false
- name: "NG: Built-in functions like len(), map()"
debug:
msg: |
{{ len(listabc) }}
when: false
- name: "NG: Expression only in {% %} statement"
debug:
msg: |
{% listabc.append(1) %}
{{ listabc }}
when: false
- name: "NG: Expression-statement expansion"
debug:
msg: |
{% do listabc.append(1) %}
{{ listabc }}
when: false
- name: "OK: ['a', 'b', 'c', 1]"
debug:
msg: |
{% if listabc.append(1) %}{% endif %}
{{ listabc }}
- name: "OK: ['a', 'b', 'c', 1, 2, 3]"
debug:
msg: |
{% set dummy = listabc.extend([1, 2, 3]) %}
{{ listabc }}
- name: "OK: ['a', 'b', 'c', 1]"
debug:
msg: |
{% set o = [1] %}
{% for i in listabc %}
{% set o = o + [ i + ':123' ] %}
{% endfor %}
{{ o }}
$ ansible-playbook -i localhost, dictfilter-playbook.yml
PLAY [localhost] **************************************************************
TASK: [debug ] ****************************************************************
ok: [localhost] => {
"var": {
"dict_filtered": {
"baz": [
"D",
"E"
],
"foo": [
"A",
"B",
"C"
]
}
}
}
PLAY RECAP ********************************************************************
localhost : ok=1 changed=0 unreachable=0 failed=0
---
- hosts: localhost
gather_facts: no
vars:
dict: { foo: [A, B, C], bar: [], baz: [D, E] }
dict_filtered: |
{% set o = {} %}
{% for k, v in dict.iteritems() %}
{% if v %}
{% set _ = o.update({k: v}) %}
{% endif %}
{% endfor %}
{{ o }}
tasks:
- debug:
var: dict_filtered
server1
server2
server3
server4
---
- hosts: all
become: yes
become_user: sshuser
vars:
all_user_keys: |
{% set o = [] %}
{% for i in play_hosts %}
{% set _ = o.append(hostvars[i].pubkey) %}
{% endfor %}
{{ o }}
all_host_keys: |
{% set o = [] %}
{% for i in play_hosts %}
{% set v = hostvars[i] %}
{% set h = ','.join([i,v.ansible_fqdn]+v.ansible_all_ipv4_addresses) %}
{% set k = ' '.join([h, 'ssh-rsa', v.ansible_ssh_host_key_rsa_public]) %}
{% set _ = o.append({'name': i, 'key': k}) %}
{% endfor %}
{{ o }}
tasks:
- shell: ssh-keygen -q -f ~/.ssh/id_rsa -N ''
args:
creates: ~/.ssh/id_rsa
- shell: cat ~/.ssh/id_rsa.pub
register: reg
- set_fact:
pubkey: "{{reg.stdout}}"
- authorized_key:
user: "{{ansible_user_id}}"
key: "{{item}}"
with_items: all_user_keys
- known_hosts:
name: "{{item.name}}"
key: "{{item.key}}"
with_items: all_host_keys
$ ansible-playbook -i localhost, listexp-playbook.yml
PLAY [localhost] **************************************************************
TASK: [OK: ['a:A', 'b:B', 'c:C']] *********************************************
ok: [localhost] => {
"msg": [
"a:A",
"b:B",
"c:C"
]
}
TASK: [OK: ['a:1', 'c:3']] ****************************************************
ok: [localhost] => {
"msg": [
"a:1",
"c:3"
]
}
TASK: [OK: 6] *****************************************************************
ok: [localhost] => {
"msg": "6"
}
TASK: [NG: 0] *****************************************************************
ok: [localhost] => {
"msg": "0"
}
PLAY RECAP ********************************************************************
localhost : ok=4 changed=0 unreachable=0 failed=0
---
- hosts: localhost
gather_facts: no
vars:
listabc: [a, b, c]
dictabc: { a: 1, b: 2, c: 3 }
list123: [1, 2, 3]
tasks:
- name: "OK: ['a:A', 'b:B', 'c:C']"
debug:
msg: |
{% set o = [] %}
{% for i in listabc %}
{% set _ = o.append(i + ':' + i | upper) %}
{% endfor %}
{{ o }}
- name: "OK: ['a:1', 'c:3']"
debug:
msg: |
{% set o = [] %}
{% for k, v in dictabc | dictsort %}
{% if v is odd %}
{% set _ = o.append(k + ':' + v | string) %}
{% endif %}
{% endfor %}
{{ o }}
- name: "OK: 6"
debug:
msg: |
{% set o = [0] %}
{% for i in list123 %}
{% set _ = o.append(o.pop() + i) %}
{% endfor %}
{{ o[0] }}
- name: "NG: 0"
debug:
msg: |
{% set o = 0 %}
{% for i in list123 %}
{% set o = o + i %}
{% endfor %}
{{ o }}
master1 ansible_ssh_host=10.0.45.11
master2 ansible_ssh_host=10.0.45.12
master3 ansible_ssh_host=10.0.45.13
slave1 ansible_ssh_host=10.0.45.51
slave2 ansible_ssh_host=10.0.45.52
slave3 ansible_ssh_host=10.0.45.53
[master_servers]
master1
master2
master3
$ ansible-playbook -i listjoin-hosts.txt listjoin-playbook.yml
PLAY [localhost] **************************************************************
TASK: [debug ] ****************************************************************
ok: [localhost] => {
"var": {
"zkurl": "zk://10.0.45.11:2181,10.0.45.12:2181,10.0.45.13:2181/mesos"
}
}
PLAY RECAP ********************************************************************
localhost : ok=1 changed=0 unreachable=0 failed=0
---
- hosts: localhost
gather_facts: no
vars:
zkurl: |
{% set o = [] %}
{% for i in groups.master_servers %}
{% set _ = o.append(hostvars[i].ansible_ssh_host+':2181') %}
{% endfor %}
zk://{{ o | join(',') }}/mesos
tasks:
- debug:
var: zkurl
#!/bin/bash
run() {
echo "$ $*"
"$@"
}
run ansible-playbook -i localhost, basicexp-playbook.yml > basicexp-log.txt
run ansible-playbook -i localhost, listexp-playbook.yml > listexp-log.txt
run ansible-playbook -i listjoin-hosts.txt listjoin-playbook.yml > listjoin-log.txt
run ansible-playbook -i localhost, dictfilter-playbook.yml > dictfilter-log.txt
run ansible-playbook -i setjoin-hosts.txt setjoin-playbook.yml > setjoin-log.txt
#run ansible-playbook -i distpubkey-hosts.txt distpubkey-playbook.yml > distpubkey-log.txt
[tag_Name_Zookeeper_1]
a
b
[tag_Name_Zookeeper_2]
a
c
[tag_Name_Zookeeper_3]
b
d
[others]
localhost
$ ansible-playbook -i setjoin-hosts.txt setjoin-playbook.yml
PLAY [localhost] **************************************************************
TASK: [debug ] ****************************************************************
ok: [localhost] => {
"var": {
"Node": "a:2181,b:2181,c:2181,d:2181"
}
}
PLAY RECAP ********************************************************************
localhost : ok=1 changed=0 unreachable=0 failed=0
---
- hosts: localhost
gather_facts: no
vars:
Node: |
{% set o = {} %}
{% for g, h in groups.iteritems() %}
{% if g.startswith('tag_Name_Zookeeper') %}
{% for i in h %}
{% set _ = o.update({i+':2181': 1}) %}
{% endfor %}
{% endif %}
{% endfor %}
{{ o.keys() | sort | join(',') }}
tasks:
- debug:
var: Node
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