Stretch is out...

[Unifex]

Here's the output from a run. Just dropping this here for me to come back to later.

Key issues look to be around NTP.

pi@k8s-master-1:~/rpinz $ sudo bash rpinz.sh 

### Raspbian NZ customisations for stretch###


### Configuring NZ Software mirrors ..

## Comment out existing mirrors ..

## Set NZ mirror (http://mirror.fsmg.org.nz/raspbian/) .. 

--2018-07-26 23:58:23--  http://mirror.fsmg.org.nz/raspbian/raspbian.public.key
Resolving mirror.fsmg.org.nz (mirror.fsmg.org.nz)... 2404:138:4000::, 163.7.134.112
Connecting to mirror.fsmg.org.nz (mirror.fsmg.org.nz)|2404:138:4000::|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 1776 (1.7K) [application/pgp-keys]
Saving to: 'raspbian.public.key'

raspbian.public.key           100%[===============================================>]   1.73K  --.-KB/s    in 0s      

2018-07-26 23:58:23 (27.8 MB/s) - 'raspbian.public.key' saved [1776/1776]

OK

## Updating package list ..

Ign:1 http://archive.raspberrypi.org/debian stretch InRelease
Get:2 http://mirror.fsmg.org.nz/raspbian/raspbian stretch InRelease [15.0 kB]
Err:3 http://archive.raspberrypi.org/debian stretch Release                                             
  503  Service Unavailable [IP: 2a00:1098:0:80:1000:13:0:7 80]
Get:4 http://mirror.fsmg.org.nz/raspbian/raspbian stretch/main armhf Packages [11.7 MB]
Get:5 http://mirror.fsmg.org.nz/raspbian/raspbian stretch/contrib armhf Packages [56.9 kB]
Get:6 http://mirror.fsmg.org.nz/raspbian/raspbian stretch/non-free armhf Packages [95.2 kB]
Get:7 http://mirror.fsmg.org.nz/raspbian/raspbian stretch/rpi armhf Packages [1360 B]
Reading package lists... Done                                                                                        
E: The repository 'http://archive.raspberrypi.org/debian stretch Release' does no longer have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

### Configure NZ locale information ..

## Update /etc/locale.gen ..

## Remove old locales and generate ..
Generating locales (this might take a while)...
  en_NZ.UTF-8... done
  mi_NZ.UTF-8... done
Generation complete.

## Setting English New Zealand as our default language ..

## Setting the māori keyboard ..

## Restarting console-setup ..
[ ok ] Restarting console-setup.sh (via systemctl): console-setup.service.

### Setting Timezone ..


## Setting NZ based time servers ..
sed: can't read /etc/ntp.conf: No such file or directory

## Restarting time service ..
rpinz.sh: line 98: /etc/init.d/ntp: No such file or directory

### All Done ###

[Unifex]

The issue with apt was resolved after updating /etc/dhcpcd.conf as described here.