feat(agent): update the readiness probes to use localhost (#1530)

Author: aroberts87

charts/agent/Chart.yaml

@@ -30,4 +30,4 @@ sources:
 - https://app.sysdigcloud.com/#/settings/user
 - https://github.com/draios/sysdig
 type: application
-version: 1.18.1
+version: 1.18.2

charts/agent/templates/daemonset.yaml

@@ -221,6 +221,7 @@ spec:
           readinessProbe:
             {{- if eq (include "agent.enableHttpProbes" .) "true" }}
             httpGet:
+              host: 127.0.0.1
               path: /healthz
               port: 24483
             {{- else }}

charts/agent/templates/deployment.yaml

@@ -105,6 +105,7 @@ spec:
           readinessProbe:
             {{- if eq (include "agent.enableHttpProbes" .) "true" }}
             httpGet:
+              host: 127.0.0.1
               path: /healthz
               port: 24483
             {{- else }}

charts/agent/tests/readiness_probe_test.yaml

@@ -12,6 +12,7 @@ tests:
           path: spec.template.spec.containers[0].readinessProbe
           value:
              httpGet:
+               host: 127.0.0.1
                path: /healthz
                port: 24483
              initialDelaySeconds: 90
@@ -26,6 +27,7 @@ tests:
           path: spec.template.spec.containers[0].readinessProbe
           value:
             httpGet:
+              host: 127.0.0.1
               path: /healthz
               port: 24483
             initialDelaySeconds: 90
@@ -90,6 +92,7 @@ tests:
           path: spec.template.spec.containers[0].readinessProbe
           value:
             httpGet:
+              host: 127.0.0.1
               path: /healthz
               port: 24483
             initialDelaySeconds: 90
@@ -105,6 +108,7 @@ tests:
           path: spec.template.spec.containers[0].readinessProbe
           value:
             httpGet:
+              host: 127.0.0.1
               path: /healthz
               port: 24483
             initialDelaySeconds: 90