Make invoication shorter just with kubectl capture

Author: Néstor Salceda

README.md

@@ -10,7 +10,7 @@ duration of time and is download locally in order to use it with
 
 ## Installing
 
-In order to use this plugin, just copy the `kubectl-sysdig_capture` to your
+In order to use this plugin, just copy the `kubectl-capture` to your
 PATH, and ensure it has execution permissions.
 
 You can verify its installation using `kubectl`:
@@ -19,7 +19,7 @@ You can verify its installation using `kubectl`:
 $ kubectl plugin list
 The following kubectl-compatible plugins are available:
 
-/usr/local/bin/kubectl-sysdig_capture
+/usr/local/bin/kubectl-capture
 ```
 
 In this case is installed into /usr/local/bin, but will work with another
@@ -30,14 +30,14 @@ location listed in PATH.
 Once you have the `kubectl` plugin installed, you can start taking captures:
 
 ```bash
-$ kubectl sysdig-capture nginx-78f5d695bd-bcbd8
+$ kubectl capture nginx-78f5d695bd-bcbd8
 Sysdig is starting to capture system calls. See details below:
 
 Node: gke-sysdig-work-default-pool-c2d817f5-ggwv
 Pod: nginx-78f5d695bd-bcbd8
 Duration: 120 seconds
 
-Your capture is now available at sysdig-capture-1550080529-nginx-78f5d695bd-bcbd8.scap.gz
+Your capture is now available at capture-1550080529-nginx-78f5d695bd-bcbd8.scap.gz
 ```
 
 And then, you can start troubleshooting with [Sysdig Inspect](https://sysdig.com/opensource/inspect/).
@@ -64,5 +64,5 @@ You can uninstall this plugin from `kubectl` by simply removing it from your
 PATH:
 
 ```bash
-$ rm /usr/local/bin/kubectl-sysdig_capture
+$ rm /usr/local/bin/kubectl-capture
 ```

kubectl-sysdig_capture renamed to kubectl-capture

@@ -10,7 +10,7 @@ duration="120"
 
 function main() {
   parse_arguments "$@"
-  create_job_for_sysdig_capture
+  start_capture
 }
 
 function parse_arguments() {
@@ -50,24 +50,24 @@ function parse_arguments() {
 
 function usage_and_die() {
   cat << 'EOF'
-Usage: kubectl sysdig-capture pod_name
+Usage: kubectl capture pod_name
 Options:
   -d | --duration     Capture system calls for this duration (default: 120 seconds)
   -n | --namespace    The namespace where the target pod lives (default: default)
 EOF
   exit $1
 }
 
-function create_job_for_sysdig_capture() {
+function start_capture() {
   local now=$(date +%s)
-  local capture_pod="sysdig-capture-${now}-${pod}"
+  local capture_pod="capture-${now}-${pod}"
 
   node=$(kubectl -n ${namespace} get pod ${pod} -o jsonpath='{.spec.nodeName}' 2>/dev/null)
   if [[ $? -ne 0 ]];then
     exit 1
   fi
 
-  cat << EOF > sysdig-capture-pod.yaml
+  cat << EOF > capture-pod.yaml
 apiVersion: v1
 kind: Pod
 metadata:
@@ -134,8 +134,8 @@ spec:
   nodeName: ${node}
 EOF
 
-  kubectl apply -f sysdig-capture-pod.yaml > /dev/null 2>&1
-  rm sysdig-capture-pod.yaml
+  kubectl apply -f capture-pod.yaml > /dev/null 2>&1
+  rm capture-pod.yaml
 
   echo "Sysdig is starting to capture system calls. See details below:"
   echo ""

test/kubectl-sysdig_capture-parsing.bats renamed to test/kubectl-capture-parsing.bats

@@ -1,7 +1,7 @@
 #!/usr/bin/env bats
 
 @test "when the command is run without specifing a pod it returns an error" {
-  run ./kubectl-sysdig_capture
+  run ./kubectl-capture
 
   [ "$status" -eq 1 ]
 }

test/kubectl-sysdig_capture.bats renamed to test/kubectl-capture.bats

@@ -1,30 +1,30 @@
 #!/usr/bin/env bats
 
-@test "it does a sysdig capture" {
+@test "it does a capture" {
   kubectl create deployment nginx --image=nginx
   POD=$(kubectl get pod | grep nginx | cut -f1 -d" ")
 
-  run ./kubectl-sysdig_capture $POD -d 5
+  run ./kubectl-capture $POD -d 5
 
   kubectl delete deployment nginx
 
   [ "$status" -eq 0 ]
 }
 
-@test "when pod is inside a namespace it does a sysdig capture" {
+@test "when pod is inside a namespace it does a capture" {
   kubectl create namespace scope
   kubectl -n scope create deployment nginx --image=nginx
   POD=$(kubectl -n scope get pod | grep nginx | cut -f1 -d" ")
 
-  run ./kubectl-sysdig_capture $POD -d 5 -n scope
+  run ./kubectl-capture $POD -d 5 -n scope
 
   kubectl delete namespace scope
 
   [ "$status" -eq 0 ]
 }
 
 @test "when a pod doesn't exist it returns an error" {
-  run ./kubectl-sysdig_capture nonexistentpod
+  run ./kubectl-capture nonexistentpod
 
   [ "$status" -eq 1 ]
 }