* update metrics docs & dashboard
* renamed `namespace` label to `svc_namespace` for service metrics as it would be overwritten by most Prometheus setups
* Made histograms for all the controller sync times for better visualization
* added `controller_routes_sync_time`, `controller_bgp_advertisements_sent` & `controller_policy_chains_sync_time` metrics
* make IPVS proxier set net/ipv4/vs/conn_reuse_mode to 0 by default, which will fix the IPVS low throughput issue
* better error message
* check and inform if to old kernel to use feature
* Add to set ip_vs_mh scheduler and flags
Signed-off-by: Inju Song <inju.song@navercorp.com>
* Use scheduler flags when adding or updating service
Signed-off-by: Inju Song <inju.song@navercorp.com>
* Refactor with gofmt, generate moq file and fix test source
Signed-off-by: Inju Song <inju.song@navercorp.com>
`Cmd.CombinedOutput()` returns `[]byte` for the command output which, at least for `ip` commands should be a printable string. The output is now printed as string.
Furthermore the constant `KUBE_DUMMY_IF` is used for the interface name to reduce multiple definitions of the interface name.
Signed-off-by: Mathias Kaufmann <me@stei.gr>
