Hi everyone!
I'm Having a hard time trying to a remote docker connection over non tls.
What I'm trying to achieve is to execute an ansible playbook inside a
docker located in host A to another docker located in host B, FYI network
mode is set to *"host" *on both docker hosts.
This is the playbook I'm trying to execute:
- hosts: localhost
tasks:
- name: add container to inventory
add_host:
name: git-slave
ansible_connection: docker
ansible_docker_extra_args: "-H=tcp://192.168.255.2:2375"
ansible_user: root
changed_when: false
- name: Test gitblit
delegate_to: git-slave
raw: cat /var/log/gitblit
This is the error I'm getting:
fatal: [localhost]: UNREACHABLE! => {
"changed": false,
"msg": "Authentication or permission failure. In some cases, you may
have been able to authenticate and did not have permissions on the target
directory. Consider changing the remote temp path in ansible.cfg to a path
rooted in \"/tmp\". Failed command was: ( umask 77 && mkdir -p \"` echo
~/.ansible/tmp/ansible-tmp-1511161385.72-174791577619947 `\" && echo
ansible-tmp-1511161385.72-174791577619947=\"` echo
~/.ansible/tmp/ansible-tmp-1511161385.72-174791577619947 `\" ), exited with
result 1, stderr output: tls: oversized record received with length
20527\n",
"unreachable": true
}
Here some test I did:
1. Ping from Host A to Host B
root@integration-centralothers0:/home/ubuntu# ping -c3 192.168.255.2
PING 192.168.255.2 (192.168.255.2) 56(84) bytes of data.
64 bytes from 192.168.255.2: icmp_seq=1 ttl=63 time=2.44 ms
64 bytes from 192.168.255.2: icmp_seq=2 ttl=63 time=2.17 ms
64 bytes from 192.168.255.2: icmp_seq=3 ttl=63 time=1.66 ms
--- 192.168.255.2 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 1.662/2.094/2.447/0.329 ms
2. Telnet from Host A to Host B against docker remote API:
root@integration-centralothers0:/home/ubuntu# telnet 192.168.255.2 2375
Trying 192.168.255.2...
Connected to 192.168.255.2.
Escape character is '^]'.
HTTP/1.1 400 Bad Request
Content-Type: text/plain; charset=utf-8
Connection: close
400 Bad RequestConnection closed by foreign host.
3. Remote Docker API test from Host A to Host B using curl
curl -s -XGET http://192.168.255.2:2375/v1.24/images/json
--Response--
[{"Containers":-1,"Created":1510250403,"Id":"sha256:20233e267b88092164b554dcf2c7803d2c1eca109fa9224387e02df38e4c915d","Labels":{"com.ansible.container.fingerprint":"f6577dc923ef7ca2954ee10ef99b01f17e953bd26feef91b6ed4609fbd2af7cc"},"ParentId":"","RepoDigests":["registry.rando.b-yond.com:5000/rando/rando-git-slave@sha256:f5b16936de627ad526042d40a695653b79c1ff0031bd0a9cae09a75e10d1008d"],............
4. Execution of ansible playbook using local docker connection from
inside HOST B to the target docker
ansible all -i rando_git-slave_1, -vvvv -c docker -u root -m command -a
"cat /var/log/gitblit.log"
ansible 2.4.1.0
config file = /etc/ansible/ansible.cfg
configured module search path = [u'/root/.ansible/plugins/modules',
u'/usr/share/ansible/plugins/modules']
ansible python module location =
/usr/lib/python2.7/dist-packages/ansible
executable location = /usr/bin/ansible
python version = 2.7.12 (default, Nov 19 2016, 06:48:10) [GCC 5.4.0
20160609]
Using /etc/ansible/ansible.cfg as config file
setting up inventory plugins
Parsed rando_git-slave_1, inventory source with host_list plugin
Loading callback plugin minimal of type stdout, v2.0 from
/usr/lib/python2.7/dist-packages/ansible/plugins/callback/__init__.pyc
META: ran handlers
Using module file
/usr/lib/python2.7/dist-packages/ansible/modules/commands/command.py
<rando_git-slave_1> ESTABLISH DOCKER CONNECTION FOR USER: root
<rando_git-slave_1> EXEC ['/usr/bin/docker', 'exec', '-u', u'root',
'-i', u'rando_git-slave_1', u'/bin/sh', '-c', u"/bin/sh -c 'echo ~ && sleep
0'"]
<rando_git-slave_1> EXEC ['/usr/bin/docker', 'exec', '-u', u'root',
'-i', u'rando_git-slave_1', u'/bin/sh', '-c', u'/bin/sh -c \'( umask 77 &&
mkdir -p "` echo
/root/.ansible/tmp/ansible-tmp-1511165208.65-101293422432691 `" && echo
ansible-tmp-1511165208.65-101293422432691="` echo
/root/.ansible/tmp/ansible-tmp-1511165208.65-101293422432691 `" ) && sleep
0\'']
<rando_git-slave_1> PUT /tmp/tmpYGG6kk TO
/root/.ansible/tmp/ansible-tmp-1511165208.65-101293422432691/command.py
<rando_git-slave_1> EXEC ['/usr/bin/docker', 'exec', '-u', u'root',
'-i', u'rando_git-slave_1', u'/bin/sh', '-c', u"/bin/sh -c 'chmod u+x
/root/.ansible/tmp/ansible-tmp-1511165208.65-101293422432691/
/root/.ansible/tmp/ansible-tmp-1511165208.65-101293422432691/command.py &&
sleep 0'"]
<rando_git-slave_1> EXEC ['/usr/bin/docker', 'exec', '-u', u'root',
'-i', u'rando_git-slave_1', u'/bin/sh', '-c', u'/bin/sh -c
\'/usr/bin/python
/root/.ansible/tmp/ansible-tmp-1511165208.65-101293422432691/command.py; rm
-rf "/root/.ansible/tmp/ansible-tmp-1511165208.65-101293422432691/" >
/dev/null 2>&1 && sleep 0\'']
rando_git-slave_1 | SUCCESS | rc=0 >>
2017-11-17 21:09:32 [INFO ]
_____ _ _ _ _ _ _
| __ \(_)| | | | | |(_)| |
| | \/ _ | |_ | |__ | | _ | |_
| | __ | || __|| '_ \ | || || __| http://gitblit.com
| |_\ \| || |_ | |_) || || || |_ @gitblit
\____/|_| \__||_.__/ |_||_| \__| 1.8.0
I don't have idea what could be the problem, I will try to set up TLS and
certificates in order to test the example that appears on
http://docs.ansible.com/ansible/latest/intro_inventory.html#non-ssh-connection-types
.
Thanks in advance
<http://docs.ansible.com/ansible/latest/intro_inventory.html#non-ssh-connection-types>
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