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UCP installation Error


(Ziigi) #1

I had an error occurs during UCP installation.
Should I check something?

○ Linux version 3.10.0-327.10.1.el7.x86_64 / CentOS Linux release 7.2.1511 (Core)
○ SELINUX Disable, Firewalld Disable

[Installation Command]
docker run --rm -it --name ucp -v /var/run/docker.sock:/var/run/docker.sock docker/ucp install -i --fresh-install --debug
y

[Insallation Error Message]
DEBU[0026] Starting KV container
DEBU[0027] Internal KV started at etcd://10.35.107.220:12379
DEBU[0027] Starting docker proxy
DEBU[0027] Proxy started on 10.35.107.220:12376
DEBU[0027] Checking for liveness of https://10.35.107.220:12376
ERRO[0087] We were unable to communicate with proxy we just started at address 10.35.107.220. Did you forget to specify an alternate DNS server with the ‘–dns’ flag? If this address is incorrect, re-run the install using the ‘–host-address’ option. Run “docker logs ucp-proxy” for more details from the proxy
FATA[0087] Unable to connect to system

Should I check something?

[root@ucpctr docker]# docker version
Client:
Version: 1.10.3-cs2
API version: 1.22
Go version: go1.5.3
Git commit: f02424d
Built: Thu Mar 17 21:41:48 2016
OS/Arch: linux/amd64

Server:
Version: 1.10.3-cs2
API version: 1.22
Go version: go1.5.3
Git commit: f02424d
Built: Thu Mar 17 21:41:48 2016
OS/Arch: linux/amd64

[root@ucpctr docker]# hostname
ucpctr.vdc.com
[root@ucpctr docker]# nslookup ucpctr.vdc.com
Server: 10.35.102.2
Address: 10.35.102.2#53

Name: ucpctr.vdc.com
Address: 10.35.107.220

[root@ucpctr docker]# docker logs ucp-proxy
Using TLS
Listening on 2376
time=“2016-03-30T08:15:52Z” level=info msg="docker proxy"
time=“2016-03-30T08:15:52Z” level=info msg=“Configuring TLS: ca=/etc/docker/ssl/ca.pem cert=/etc/docker/ssl/cert.pem key=/etc/docker/ssl/key.pem”


(Vivek Saraswat) #2

Hi ziigi,

We’ve seen some potential CentOS 7.2 proxy communication issues. Can you take a look at this thread and check out some of the troubleshooting suggestions from mbentley (Matt Bentley, one of our solutions engineers)?


(Hmaeck) #3

I might have the same issue, not sure: