Return the original upstream response body when the the list request
returns an error. In general, the provider is returning useful and
actionable error messages for the user, the previous code hid this in
the logs and this is easy for user to overlook.

Additionally, remove an early return from error case after fetching
metrics. This looked like a bug and could result in empty api responses
if there was a prometheus error.

Signed-off-by: Lucas Roesler <roesler.lucas@gmail.com>

Related to: #1022

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

* Add service target metric
* Add service min replicas metric
* Add scale type metric

These combined allow new auto-scaling modes and parameters
for OpenFaaS Pro customers.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

This is currently being hidden and needs to be bubbled up
into the logs to show an issue with calling list functions
during a deletion in faasd.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Fixes https://github.com/openfaas/faas/issues/1413
Fixes https://github.com/openfaas/faas-netes/issues/707



This fixes the Gateway UI not updating the
invocation count automatically without a page reload.

Tested by deploying on a local cluster and making sure invocations go up
with and without namespace suffix

Signed-off-by: Alistair Hey <alistair@heyal.co.uk>

Signed-off-by: Vivek Singh <vivekkmr45@yahoo.in>

The function deployment and status structs have been moved away
into the faas-provider package.

Tested with a build, running tests, and CI.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

- updates comments and adds where missing
- updates locks so that unlock is done via defer instead of
at the end of the statement
- extracts timeout variable in two places
- remove makeClient() unused method from metrics package

No-harm changes tested via go build.

Signed-off-by: Alex Ellis (VMware) <alexellis2@gmail.com>

Signed-off-by: Alex Ellis <alexellis2@gmail.com>

Signed-off-by: Alex Ellis <alexellis2@gmail.com>

Signed-off-by: Alex Ellis <alexellis2@gmail.com>

Note, not all `alexellis/github` references should be changed, there are
a number of repos which are not part of the openfaas org, this commit
excludes those.

Signed-off-by: John McCabe <john@johnmccabe.net>

Signed-off-by: Alex Ellis <alexellis2@gmail.com>