Skip to content
This repository was archived by the owner on Oct 29, 2021. It is now read-only.

Improved test in examples/load-balancer #83

Open
uablrek wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Improved test in examples/load-balancer #83

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions examples/load-balancer/image/Dockerfile
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ ADD [".","/root/networkservicemesh"]
RUN CGO_ENABLED=0 GOOS=linux go build -ldflags '-extldflags "-static"' -o /go/bin/bridge-domain ./examples/load-balancer/image/cmd/

FROM ${VPP_AGENT} as runtime
RUN apt update && apt install -y netcat-openbsd && rm -rf /var/lib/apt/lists/*
COPY --from=build /go/bin/bridge-domain /bin/bridge-domain
COPY ./examples/load-balancer/image/bin/ /bin/
COPY ./examples/load-balancer/image/etc/ /etc/
Expand Down
95 changes: 95 additions & 0 deletions examples/load-balancer/scripts/check_load_balancer.sh
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,10 @@ cmd_test() {

cmd_check_load_balancer
cmd_check_as
cmd_status
cmd_check_gre
cmd_test_ping
cmd_test_loadbalancing
}

cmd_check_load_balancer() {
Expand Down Expand Up @@ -81,6 +85,97 @@ cmd_check_as() {
die "AS-pods not ready"
}

## status
## Print route status and ping.
cmd_status() {
local cmd
local pod=$(kubectl get pods -l networkservicemesh.io/app=load-balancer -o name)
log "==== Status in pod [$pod]"
for cmd in "vppctl show int" \
"vppctl show lb vips verbose" \
"vppctl ping 10.60.1.4 repeat 1" \
"ping -c1 -W1 10.70.0.1" \
"ping -c1 -W1 10.60.1.4" \
"ip addr show" \
"ip ro" \
"ip ro get 10.2.2.2" \
; do
log "Cmd [$cmd]"
kubectl exec $pod -- $cmd
done

pod=$(kubectl get pods -l networkservicemesh.io/app=application-server -o name | head -1)
log "==== Status in pod [$pod]"
for cmd in \
"ip link show" \
"ip addr show" \
"ip ro" \
"ip rule" \
"ip ro show table 222" \
; do
log "Cmd [$cmd]"
kubectl exec -c alpine-img $pod -- $cmd
done

return 0
}

cmd_check_gre() {
log "==== Check GRE access"
local pod=$(kubectl get pods -l networkservicemesh.io/app=load-balancer -o name)
local cmd
for cmd in \
"ip tunnel add foo4 mode gre remote 10.60.1.4" \
"ip addr add 10.70.0.5/32 dev foo4" \
"ip link set up dev foo4" \
"ip ro add 10.2.2.3/32 dev foo4" \
"ping -c1 -W1 10.2.2.3" \
; do
log "Cmd [$cmd]"
kubectl exec $pod -- $cmd
done

}

## test_ping
## Ping the VIP address
cmd_test_ping() {
log "Ping the VIP address"
local now begin=$(date +%s)
local lbpod=$(kubectl get pods -l networkservicemesh.io/app=load-balancer -o name)
while ! kubectl exec $lbpod -- ping -c1 -W1 10.2.2.2; do
now=$(date +%s)
test $((now-begin)) -gt 60 && die "Ping failed"
sleep 1
done
return 0
}

## test_loadbalancing
cmd_test_loadbalancing() {
log "Test load-balancing"
local lbpod=$(kubectl get pods -l networkservicemesh.io/app=load-balancer -o name)
log "load-balancer pod [$lbpod]"
cmd='for i in $(seq 1 30); do nc -w 2 10.2.2.2 5001 < /dev/null; done'
log "Execute command [$cmd]"
kubectl exec $lbpod -- sh -c "$cmd" | tee /tmp/lb-data.txt
cmd_freq /tmp/lb-data.txt | tee /tmp/lb-freq.txt
local i=$(cat /tmp/lb-freq.txt | wc -l)
test $i -lt 2 && die "No loadbalancing"
# Note to nitpickers;
# Yes, this test has probability to fail, I get it to 1/3^29 if the lb-targets are random
}

cmd_freq() {
test -n "$1" || die "No file"
test -r "$1" || die "Not readable [$1]"
local n i
for n in $(sort < $1 | uniq); do
i=$(grep $n $1 | wc -l)
echo "$n:$i"
done
}

# Get the command. Use "test" as default.
if test -n "$1"; then
cmd=$1
Expand Down