prety much working docker inventory of things I could think of

docker_inventory.cf

@@ -1,4 +1,62 @@
 bundle agent docker_inventory
 {
-  reports: "hi from ${this.bundle}";
+  vars:
+    "docker" string => "/usr/local/bin/docker"; # todo discover this more dynamically or per-platform
+    "status_list" slist => { "created", "restarting", "running", "removing", "pause", "exited", "dead" };
+    "status_count[${status_list}]" string => execresult(`${docker} ps -a --filter "status=${status_list}" --format "{{.Names}}" | wc -l`, "useshell", "stdout"),
+      meta => { "inventory", "attribute_name=Docker ${status_list} Count" };
+    "running_string" string => execresult(`${docker} ps -a --filter "status=running" --format "{{.Names}}"`, "noshell", "stdout");
+    "running_names" slist => splitstring("${running_string}", "\n", "inf"),
+      meta => { "inventory", "attribute_name=Docker Running Names" };
+    "dangling_count" string => execresult(`${docker} images --filter "dangling=true" --format "{{.Repository}}" | wc -l`, "useshell", "stdout"),
+      meta => { "inventory", "attribute_name=Docker Dangling Image Count" };
+    "images_string" string => execresult(`${docker} images --format "{{.Repository}}:{{.Tag}}"`, "noshell", "stdout");
+    "images_list" slist => splitstring("${images_string}", "\n", "inf"),
+      meta => { "inventory", "attribute_name=Docker Image List" };
+
+  reports:
+    "docker containers ${status_list}: ${status_count[${status_list}]}";
+    "running_names: ${with}" with => storejson(running_names);
+    "dangling_count: ${dangling_count}";
+    "images_list: ${with}" with => storejson(images_list);
+#    "exited_string: ${exited_string}";
 }
+
+bundle agent main
+{
+  methods: "docker_inventory";
+}
+
+body contain useshell
+{
+  useshell => "useshell";
+}
+
+body classes repaired(c)
+{
+  scope => "namespace";
+  promise_repaired => { "$(c)" };
+}
+#
+# {"Command":"\"/usr/local/bin/entr…\"","CreatedAt":"2023-07-07 11:45:05 -0500 CDT","ID":"830733feabcb","Image":"gcr.io/k8s-minikube/kicbase:v0.0.39","Labels":"desktop.docker.io/ports/22/tcp=127.0.0.1:0,desktop.docker.io/ports/2376/tcp=127.0.0.1:0,desktop.docker.io/ports/32443/tcp=127.0.0.1:0,role.minikube.sigs.k8s.io=,created_by.minikube.sigs.k8s.io=true,desktop.docker.io/ports/5000/tcp=127.0.0.1:0,desktop.docker.io/ports/8443/tcp=127.0.0.1:0,mode.minikube.sigs.k8s.io=minikube,name.minikube.sigs.k8s.io=minikube,org.opencontainers.image.ref.name=ubuntu,org.opencontainers.image.version=20.04","LocalVolumes":"1","Mounts":"/lib/modules,minikube","Names":"minikube","Networks":"minikube","Ports":"","RunningFor":"2 months ago","Size":"3.09MB (virtual 1.06GB)","State":"exited","Status":"Exited (130) 7 weeks ago"}
+# Craigs-MacBook-Pro:play-cfbs craig$ docker ps -a --format "table {{.ID}},{{.Image}},{{.Status}},{{.Names}}" 
+# https://docs.docker.com/config/formatting/
+# fields are here: https://docs.docker.com/engine/reference/commandline/ps/
+# maybe do docker inspect to get further details about each container and such, maybe get stale ps and images
+#    "tmp_ps" string => "/tmp/docker-ps.json";
+#    "tmp_images" string => "/tmp/docker-images.json";
+#    "ps_string" string => readfile("${tmp_ps}"),
+#      if => "ps_saved";
+#    "ps_lines" slist => splitstring("$(ps_string)", "$(const.nl)", inf);
+#    "images_string" string => readfile("${tmp_images}"),
+#      if => "images_saved";
+#  commands:
+#    "${docker} ps -a --format json > ${tmp_ps}"
+#      classes => repaired("ps_saved"),
+#      contain => useshell;
+#    "${docker} images -a --format json > ${tmp_images}"
+#      classes => repaired("images_saved"),
+#      contain => useshell;
+#    ps_saved:: "ps_saved is defined";
+#    images_saved:: "images_saved is defined";
+#docker image ls --format "{{.ID}},{{.Repository}},{{.Tag}},{{.Size}}" | sort -k 3 -h

docker_inventory.md

@@ -0,0 +1,8 @@
+bundle agent docker_inventory
+{
+  reports: "hi from ${this.bundle}";
+}
+
+root@314abd9230fd:/# cf-agent -KI
+R: hi from docker_inventory
+

i

@@ -0,0 +1,2 @@
+rm /tmp/*.json
+cf-agent -KIf ./docker_inventory.cf