Merging upstream version 1.36.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

5 files changed, 272 insertions, 203 deletions

diff --git a/collectors/cgroups.plugin/cgroup-name.sh b/collectors/cgroups.plugin/cgroup-name.sh
index 00d7e614c..d1277b745 100755
--- a/collectors/cgroups.plugin/cgroup-name.sh
+++ b/collectors/cgroups.plugin/cgroup-name.sh
@@ -45,11 +45,24 @@ fatal() {
   exit 1
 }
 
+function parse_docker_like_inspect_output() {
+  local output="${1}"
+  eval "$(grep -E "^(NOMAD_NAMESPACE|NOMAD_JOB_NAME|NOMAD_TASK_NAME|NOMAD_SHORT_ALLOC_ID|CONT_NAME)=" <<<"$output")"
+  if [ -n "$NOMAD_NAMESPACE" ] && [ -n "$NOMAD_JOB_NAME" ] && [ -n "$NOMAD_TASK_NAME" ] && [ -n "$NOMAD_SHORT_ALLOC_ID" ]; then
+    echo "${NOMAD_NAMESPACE}-${NOMAD_JOB_NAME}-${NOMAD_TASK_NAME}-${NOMAD_SHORT_ALLOC_ID}"
+  else
+    echo "${CONT_NAME}" | sed 's|^/||'
+  fi
+}
+
 function docker_like_get_name_command() {
   local command="${1}"
   local id="${2}"
-  info "Running command: ${command} ps --filter=id=\"${id}\" --format=\"{{.Names}}\""
-  NAME="$(${command} ps --filter=id="${id}" --format="{{.Names}}")"
+  info "Running command: ${command} inspect --format='{{range .Config.Env}}{{println .}}{{end}}CONT_NAME={{ .Name}}' \"${id}\""
+  if OUTPUT="$(${command} inspect --format='{{range .Config.Env}}{{println .}}{{end}}CONT_NAME={{ .Name}}' "${id}")" &&
+    [ -n "$OUTPUT" ]; then
+      NAME="$(parse_docker_like_inspect_output "$OUTPUT")"
+  fi
   return 0
 }
 
@@ -61,7 +74,7 @@ function docker_like_get_name_api() {
     warning "No ${host_var} is set"
     return 1
   fi
-  if ! command -v jq > /dev/null 2>&1; then
+  if ! command -v jq >/dev/null 2>&1; then
     warning "Can't find jq command line tool. jq is required for netdata to retrieve container name using ${host} API, falling back to docker ps"
     return 1
   fi
@@ -72,7 +85,9 @@ function docker_like_get_name_api() {
     info "Running API command: curl \"${host}${path}\""
     JSON=$(curl -sS "${host}${path}")
   fi
-  NAME=$(echo "${JSON}" | jq -r .Name,.Config.Hostname | grep -v null | head -n1 | sed 's|^/||')
+  if OUTPUT=$(echo "${JSON}" | jq -r '.Config.Env[],"CONT_NAME=\(.Name)"') && [ -n "$OUTPUT" ]; then
+    NAME="$(parse_docker_like_inspect_output "$OUTPUT")"
+  fi
   return 0
 }
 
@@ -185,6 +200,13 @@ function k8s_get_kubepod_name() {
   # |   |   |-- kubepods-besteffort-pod10fb5647_c724_400c_b9cc_0e6eae3110e7.slice
   # |   |   |   |-- docker-36e5eb5056dfdf6dbb75c0c44a1ecf23217fe2c50d606209d8130fcbb19fb5a7.scope
   #
+  # kind v0.14.0
+  # |-- kubelet.slice
+  # |   |-- kubelet-kubepods.slice
+  # |   |   |-- kubelet-kubepods-besteffort.slice
+  # |   |   |   |-- kubelet-kubepods-besteffort-pod7881ed9e_c63e_4425_b5e0_ac55a08ae939.slice
+  # |   |   |   |   |-- cri-containerd-00c7939458bffc416bb03451526e9fde13301d6654cfeadf5b4964a7fb5be1a9.scope
+  #
   # NOTE: cgroups plugin
   # - uses '_' to join dir names (so it is <parent>_<child>_<child>_...)
   # - replaces '.' with '-'
@@ -193,7 +215,7 @@ function k8s_get_kubepod_name() {
   local cgroup_path="${1}"
   local id="${2}"
 
-  if [[ ! $id =~ ^kubepods ]]; then
+  if [[ ! $id =~ ^.*kubepods.* ]]; then
     warning "${fn}: '${id}' is not kubepod cgroup."
     return 1
   fi
@@ -371,7 +393,7 @@ function k8s_get_kubepod_name() {
       name+="_$(get_lbl_val "$labels" pod_name)"
       labels=$(add_lbl_prefix "$labels" "k8s_")
       name+=" $labels"
-    else 
+    else
       return 2
     fi
   fi
@@ -393,7 +415,7 @@ function k8s_get_name() {
   local id="${2}"
 
   NAME=$(k8s_get_kubepod_name "$cgroup_path" "$id")
- 
+
   case "$?" in
   0)
     NAME="k8s_${NAME}"
@@ -511,6 +533,11 @@ if [ -z "${NAME}" ]; then
     #shellcheck disable=SC1117
     DOCKERID="$(echo "${CGROUP}" | sed "s|^.*ecs[-_/].*[-_/]\([a-fA-F0-9]\+\)[-_\.]\?.*$|\1|")"
     docker_validate_id "${DOCKERID}"
+  elif [[ ${CGROUP} =~ system.slice_containerd.service_cpuset_[a-fA-F0-9]+[-_\.]?.*$ ]]; then
+    # docker containers under containerd
+    #shellcheck disable=SC1117
+    DOCKERID="$(echo "${CGROUP}" | sed "s|^.*ystem.slice_containerd.service_cpuset_\([a-fA-F0-9]\+\)[-_\.]\?.*$|\1|")"
+    docker_validate_id "${DOCKERID}"
   elif [[ ${CGROUP} =~ ^.*libpod-[a-fA-F0-9]+.*$ ]]; then
     # Podman
     PODMANID="$(echo "${CGROUP}" | sed "s|^.*libpod-\([a-fA-F0-9]\+\).*$|\1|")"
@@ -522,16 +549,13 @@ if [ -z "${NAME}" ]; then
 
   elif [[ ${CGROUP} =~ machine.slice_machine.*-lxc ]]; then
     # libvirtd / lxc containers
-	# examples:
-	# before: machine.slice machine-lxc/x2d969/x2dhubud0xians01.scope
-    # after:  lxc/hubud0xians01
-	# before: machine.slice_machine-lxc/x2d969/x2dhubud0xians01.scope/libvirt_init.scope
-	# after:  lxc/hubud0xians01/libvirt_init
-    NAME="lxc/$(echo "${CGROUP}" | sed 's/machine.slice_machine.*-lxc//; s/\/x2d[[:digit:]]*//; s/\/x2d//g; s/\.scope//g')"
+    # machine.slice machine-lxc/x2d969/x2dhubud0xians01.scope => lxc/hubud0xians01
+    # machine.slice_machine-lxc/x2d969/x2dhubud0xians01.scope/libvirt_init.scope => lxc/hubud0xians01/libvirt_init
+    NAME="lxc/$(echo "${CGROUP}" | sed 's/machine.slice_machine.*-lxc//; s/[\/_]x2d[[:digit:]]*//; s/[\/_]x2d//g; s/\.scope//g')"
   elif [[ ${CGROUP} =~ machine.slice_machine.*-qemu ]]; then
     # libvirtd / qemu virtual machines
-    # NAME="$(echo ${CGROUP} | sed 's/machine.slice_machine.*-qemu//; s/\/x2d//; s/\/x2d/\-/g; s/\.scope//g')"
-    NAME="qemu_$(echo "${CGROUP}" | sed 's/machine.slice_machine.*-qemu//; s/\/x2d[[:digit:]]*//; s/\/x2d//g; s/\.scope//g')"
+    # machine.slice_machine-qemu_x2d1_x2dopnsense.scope => qemu_opnsense
+    NAME="qemu_$(echo "${CGROUP}" | sed 's/machine.slice_machine.*-qemu//; s/[\/_]x2d[[:digit:]]*//; s/[\/_]x2d//g; s/\.scope//g')"
 
   elif [[ ${CGROUP} =~ machine_.*\.libvirt-qemu ]]; then
     # libvirtd / qemu virtual machines
diff --git a/collectors/cgroups.plugin/sys_fs_cgroup.c b/collectors/cgroups.plugin/sys_fs_cgroup.c
index 5676ef8ca..330562173 100644
--- a/collectors/cgroups.plugin/sys_fs_cgroup.c
+++ b/collectors/cgroups.plugin/sys_fs_cgroup.c
@@ -6,6 +6,12 @@
 #define PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME "systemd"
 #define PLUGIN_CGROUPS_MODULE_CGROUPS_NAME "/sys/fs/cgroup"
 
+#ifdef NETDATA_INTERNAL_CHECKS
+#define CGROUP_PROCFILE_FLAG PROCFILE_FLAG_DEFAULT
+#else
+#define CGROUP_PROCFILE_FLAG PROCFILE_FLAG_NO_ERROR_ON_FILE_IO
+#endif
+
 // main cgroups thread worker jobs
 #define WORKER_CGROUPS_LOCK 0
 #define WORKER_CGROUPS_READ 1
@@ -446,12 +452,17 @@ void read_cgroup_plugin_configuration() {
             // ----------------------------------------------------------------
 
                     " /machine.slice/*.service "           // #3367 systemd-nspawn
-                    " /kubepods/pod*/* "                   // k8s containers
-                    " /kubepods/*/pod*/* "                 // k8s containers
 
             // ----------------------------------------------------------------
 
-                    " !/kubepods* "                        // all other k8s cgroups
+                    " */kubepods/pod*/* "                   // k8s containers
+                    " */kubepods/*/pod*/* "                 // k8s containers
+                    " */*-kubepods-pod*/* "                 // k8s containers
+                    " */*-kubepods-*-pod*/* "               // k8s containers
+                    " !*kubepods* !*kubelet* "              // all other k8s cgroups
+
+            // ----------------------------------------------------------------
+
                     " !*/vcpu* "                           // libvirtd adds these sub-cgroups
                     " !*/emulator "                        // libvirtd adds these sub-cgroups
                     " !*.mount "
@@ -523,9 +534,11 @@ void read_cgroup_plugin_configuration() {
                     " *docker* "
                     " *lxc* "
                     " *qemu* "
-                    " /kubepods/pod*/* "                   // k8s containers
-                    " /kubepods/*/pod*/* "                 // k8s containers
-                    " !/kubepods* "                        // all other k8s cgroups
+                    " */kubepods/pod*/* "                   // k8s containers
+                    " */kubepods/*/pod*/* "                 // k8s containers
+                    " */*-kubepods-pod*/* "                 // k8s containers
+                    " */*-kubepods-*-pod*/* "               // k8s containers
+                    " !*kubepods* !*kubelet* "              // all other k8s cgroups
                     " *.libvirt-qemu "                    // #3010
                     " * "
             ), NULL, SIMPLE_PATTERN_EXACT);
@@ -755,6 +768,12 @@ struct cgroup_network_interface {
     struct cgroup_network_interface *next;
 };
 
+enum cgroups_container_orchestrator {
+    CGROUPS_ORCHESTRATOR_UNSET,
+    CGROUPS_ORCHESTRATOR_UNKNOWN,
+    CGROUPS_ORCHESTRATOR_K8S
+};
+
 // *** WARNING *** The fields are not thread safe. Take care of safe usage.
 struct cgroup {
     uint32_t options;
@@ -776,7 +795,9 @@ struct cgroup {
 
     char *chart_title;
 
-    struct label *chart_labels;
+    DICTIONARY *chart_labels;
+
+    int container_orchestrator;
 
     struct cpuacct_stat cpuacct_stat;
     struct cpuacct_usage cpuacct_usage;
@@ -835,7 +856,7 @@ struct cgroup {
     unsigned long long cpu_cfs_quota;
 
     RRDSETVAR *chart_var_cpu_limit;
-    calculated_number prev_cpu_usage;
+    NETDATA_DOUBLE prev_cpu_usage;
 
     char *filename_memory_limit;
     unsigned long long memory_limit;
@@ -922,6 +943,10 @@ static inline int is_cgroup_systemd_service(struct cgroup *cg) {
 }
 
 // ---------------------------------------------------------------------------------------------
+static int k8s_is_kubepod(struct cgroup *cg) {
+    return cg->container_orchestrator == CGROUPS_ORCHESTRATOR_K8S;
+}
+
 static int k8s_is_container(const char *id) {
     // examples:
     // https://github.com/netdata/netdata/blob/0fc101679dcd12f1cb8acdd07bb4c85d8e553e53/collectors/cgroups.plugin/cgroup-name.sh#L121-L147
@@ -949,7 +974,7 @@ static int k8s_get_container_first_proc_comm(const char *id, char *comm) {
     char filename[FILENAME_MAX + 1];
     snprintfz(filename, FILENAME_MAX, "%s/%s/cgroup.procs", cgroup_cpuacct_base, id);
 
-    ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_DEFAULT);
+    ff = procfile_reopen(ff, filename, NULL, CGROUP_PROCFILE_FLAG);
     if (unlikely(!ff)) {
         debug(D_CGROUP, "CGROUP: k8s_is_pause_container(): cannot open file '%s'.", filename);
         return 1;
@@ -1012,7 +1037,7 @@ static unsigned long long calc_percentage(unsigned long long value, unsigned lon
     if (total == 0) {
         return 0;
     }
-    return (calculated_number)value / (calculated_number)total * 100;
+    return (NETDATA_DOUBLE)value / (NETDATA_DOUBLE)total * 100;
 }
 
 static int calc_cgroup_depth(const char *id) {
@@ -1031,7 +1056,7 @@ static inline void cgroup_read_cpuacct_stat(struct cpuacct_stat *cp) {
     static procfile *ff = NULL;
 
     if(likely(cp->filename)) {
-        ff = procfile_reopen(ff, cp->filename, NULL, PROCFILE_FLAG_DEFAULT);
+        ff = procfile_reopen(ff, cp->filename, NULL, CGROUP_PROCFILE_FLAG);
         if(unlikely(!ff)) {
             cp->updated = 0;
             cgroups_check = 1;
@@ -1078,7 +1103,7 @@ static inline void cgroup_read_cpuacct_cpu_stat(struct cpuacct_cpu_throttling *c
     }
 
     static procfile *ff = NULL;
-    ff = procfile_reopen(ff, cp->filename, NULL, PROCFILE_FLAG_DEFAULT);
+    ff = procfile_reopen(ff, cp->filename, NULL, CGROUP_PROCFILE_FLAG);
     if (unlikely(!ff)) {
         cp->updated = 0;
         cgroups_check = 1;
@@ -1134,7 +1159,7 @@ static inline void cgroup2_read_cpuacct_cpu_stat(struct cpuacct_stat *cp, struct
         return;
     }
 
-    ff = procfile_reopen(ff, cp->filename, NULL, PROCFILE_FLAG_DEFAULT);
+    ff = procfile_reopen(ff, cp->filename, NULL, CGROUP_PROCFILE_FLAG);
     if (unlikely(!ff)) {
         cp->updated = 0;
         cgroups_check = 1;
@@ -1217,7 +1242,7 @@ static inline void cgroup_read_cpuacct_usage(struct cpuacct_usage *ca) {
     static procfile *ff = NULL;
 
     if(likely(ca->filename)) {
-        ff = procfile_reopen(ff, ca->filename, NULL, PROCFILE_FLAG_DEFAULT);
+        ff = procfile_reopen(ff, ca->filename, NULL, CGROUP_PROCFILE_FLAG);
         if(unlikely(!ff)) {
             ca->updated = 0;
             cgroups_check = 1;
@@ -1280,7 +1305,7 @@ static inline void cgroup_read_blkio(struct blkio *io) {
     if(likely(io->filename)) {
         static procfile *ff = NULL;
 
-        ff = procfile_reopen(ff, io->filename, NULL, PROCFILE_FLAG_DEFAULT);
+        ff = procfile_reopen(ff, io->filename, NULL, CGROUP_PROCFILE_FLAG);
         if(unlikely(!ff)) {
             io->updated = 0;
             cgroups_check = 1;
@@ -1352,7 +1377,7 @@ static inline void cgroup2_read_blkio(struct blkio *io, unsigned int word_offset
         if(likely(io->filename)) {
             static procfile *ff = NULL;
 
-            ff = procfile_reopen(ff, io->filename, NULL, PROCFILE_FLAG_DEFAULT);
+            ff = procfile_reopen(ff, io->filename, NULL, CGROUP_PROCFILE_FLAG);
             if(unlikely(!ff)) {
                 io->updated = 0;
                 cgroups_check = 1;
@@ -1397,7 +1422,7 @@ static inline void cgroup2_read_pressure(struct pressure *res) {
     static procfile *ff = NULL;
 
     if (likely(res->filename)) {
-        ff = procfile_reopen(ff, res->filename, " =", PROCFILE_FLAG_DEFAULT);
+        ff = procfile_reopen(ff, res->filename, " =", CGROUP_PROCFILE_FLAG);
         if (unlikely(!ff)) {
             res->updated = 0;
             cgroups_check = 1;
@@ -1454,7 +1479,7 @@ static inline void cgroup_read_memory(struct memory *mem, char parent_cg_is_unif
             goto memory_next;
         }
 
-        ff = procfile_reopen(ff, mem->filename_detailed, NULL, PROCFILE_FLAG_DEFAULT);
+        ff = procfile_reopen(ff, mem->filename_detailed, NULL, CGROUP_PROCFILE_FLAG);
         if(unlikely(!ff)) {
             mem->updated_detailed = 0;
             cgroups_check = 1;
@@ -1677,7 +1702,8 @@ static inline void read_cgroup_network_interfaces(struct cgroup *cg) {
             info("CGROUP: cgroup '%s' has network interface '%s' as '%s'", cg->id, i->host_device, i->container_device);
 
             // register a device rename to proc_net_dev.c
-            netdev_rename_device_add(i->host_device, i->container_device, cg->chart_id, cg->chart_labels);
+            netdev_rename_device_add(
+                i->host_device, i->container_device, cg->chart_id, cg->chart_labels, k8s_is_kubepod(cg) ? "k8s." : "");
         }
     }
 
@@ -1735,34 +1761,24 @@ static inline void substitute_dots_in_id(char *s) {
     }
 }
 
-char *k8s_parse_resolved_name(struct label **labels, char *data) {
-    char *name = mystrsep(&data, " ");
-    
-    if (!data) {
-        return name;
-    }
-
-    while (data) {
-        char *key = mystrsep(&data, "=");
-
-        char *value;
-        if (data && *data == ',') {
-            value = "";
-            *data++ = '\0';
-        } else {
-            value = mystrsep(&data, ",");
-        }
-        value = strip_double_quotes(value, 1);
+// ----------------------------------------------------------------------------
+// parse k8s labels
 
-        if (!key || *key == '\0' || !value || *value == '\0')
-            continue;
+char *k8s_parse_resolved_name_and_labels(DICTIONARY *labels, char *data) {
+    // the first word, up to the first space is the name
+    char *name = mystrsep(&data, " ");
 
-        *labels = add_label_to_list(*labels, key, value, LABEL_SOURCE_KUBERNETES);
+    // the rest are key=value pairs separated by comma
+    while(data) {
+        char *pair = mystrsep(&data, ",");
+        rrdlabels_add_pair(labels, pair, RRDLABEL_SRC_AUTO| RRDLABEL_SRC_K8S);
     }
 
     return name;
 }
 
+// ----------------------------------------------------------------------------
+
 static inline void free_pressure(struct pressure *res) {
     if (res->some.share_time.st)   rrdset_is_obsolete(res->some.share_time.st);
     if (res->some.total_time.st)   rrdset_is_obsolete(res->some.total_time.st);
@@ -1834,7 +1850,7 @@ static inline void cgroup_free(struct cgroup *cg) {
     freez(cg->chart_id);
     freez(cg->chart_title);
 
-    free_label_list(cg->chart_labels);
+    rrdlabels_destroy(cg->chart_labels);
 
     freez(cg);
 
@@ -1870,31 +1886,33 @@ static inline void discovery_rename_cgroup(struct cgroup *cg) {
         case 0:
             cg->pending_renames = 0;
             break;
+
         case 3:
             cg->pending_renames = 0;
             cg->processed = 1;
             break;
     }
 
-    if (cg->pending_renames || cg->processed) {
-        return;
-    }
-    if (!(new_name && *new_name && *new_name != '\n')) {
-        return;
-    }
-    new_name = trim(new_name);
-    if (!(new_name)) {
-        return;
-    }
+    if(cg->pending_renames || cg->processed) return;
+    if(!new_name || !*new_name || *new_name == '\n') return;
+    if(!(new_name = trim(new_name))) return;
+
     char *name = new_name;
     if (!strncmp(new_name, "k8s_", 4)) {
-        free_label_list(cg->chart_labels);
-        name = k8s_parse_resolved_name(&cg->chart_labels, new_name);
+        if(!cg->chart_labels) cg->chart_labels = rrdlabels_create();
+
+        // read the new labels and remove the obsolete ones
+        rrdlabels_unmark_all(cg->chart_labels);
+        name = k8s_parse_resolved_name_and_labels(cg->chart_labels, new_name);
+        rrdlabels_remove_all_unmarked(cg->chart_labels);
     }
+
     freez(cg->chart_title);
     cg->chart_title = cgroup_title_strdupz(name);
+
     freez(cg->chart_id);
     cg->chart_id = cgroup_chart_id_strdupz(name);
+
     substitute_dots_in_id(cg->chart_id);
     cg->hash_chart = simple_hash(cg->chart_id);
 }
@@ -2584,6 +2602,14 @@ static inline void discovery_process_first_time_seen_cgroup(struct cgroup *cg) {
 
     char comm[TASK_COMM_LEN];
 
+    if (cg->container_orchestrator == CGROUPS_ORCHESTRATOR_UNSET) {
+        if (strstr(cg->id, "kubepods")) {
+            cg->container_orchestrator = CGROUPS_ORCHESTRATOR_K8S;
+        } else {
+            cg->container_orchestrator = CGROUPS_ORCHESTRATOR_UNKNOWN;
+        }
+    }
+
     if (is_inside_k8s && !k8s_get_container_first_proc_comm(cg->id, comm)) {
         // container initialization may take some time when CPU % is high
         // seen on GKE: comm is '6' before 'runc:[2:INIT]' (dunno if it could be another number)
@@ -2656,6 +2682,11 @@ static inline void discovery_process_cgroup(struct cgroup *cg) {
 
     cg->processed = 1;
 
+    if (strlen(cg->chart_id) >= RRD_ID_LENGTH_MAX) {
+        info("cgroup '%s' (chart id '%s') disabled because chart_id exceeds the limit (RRD_ID_LENGTH_MAX)", cg->id, cg->chart_id);
+        return;
+    }
+
     if (is_cgroup_systemd_service(cg)) {
         cg->enabled = 1;
         return;
@@ -3638,7 +3669,7 @@ static inline void update_cpu_limits2(struct cgroup *cg) {
     if(cg->filename_cpu_cfs_quota){
         static procfile *ff = NULL;
 
-        ff = procfile_reopen(ff, cg->filename_cpu_cfs_quota, NULL, PROCFILE_FLAG_DEFAULT);
+        ff = procfile_reopen(ff, cg->filename_cpu_cfs_quota, NULL, CGROUP_PROCFILE_FLAG);
         if(unlikely(!ff)) {
             goto cpu_limits2_err;
         }
@@ -3694,7 +3725,7 @@ static inline int update_memory_limits(char **filename, RRDSETVAR **chart_var, u
                     *filename = NULL;
                 }
                 else {
-                    rrdsetvar_custom_chart_variable_set(*chart_var, (calculated_number)(*value / (1024 * 1024)));
+                    rrdsetvar_custom_chart_variable_set(*chart_var, (NETDATA_DOUBLE)(*value / (1024 * 1024)));
                     return 1;
                 }
             } else {
@@ -3709,11 +3740,11 @@ static inline int update_memory_limits(char **filename, RRDSETVAR **chart_var, u
                 char *s = "max\n\0";
                 if(strcmp(s, buffer) == 0){
                     *value = UINT64_MAX;
-                    rrdsetvar_custom_chart_variable_set(*chart_var, (calculated_number)(*value / (1024 * 1024)));
+                    rrdsetvar_custom_chart_variable_set(*chart_var, (NETDATA_DOUBLE)(*value / (1024 * 1024)));
                     return 1;
                 }
                 *value = str2ull(buffer);
-                rrdsetvar_custom_chart_variable_set(*chart_var, (calculated_number)(*value / (1024 * 1024)));
+                rrdsetvar_custom_chart_variable_set(*chart_var, (NETDATA_DOUBLE)(*value / (1024 * 1024)));
                 return 1;
             }
         }
@@ -3772,7 +3803,7 @@ void update_cgroup_charts(int update_every) {
                         , "cpu"
                         , NULL
                         , "cpu"
-                        , "cgroup.cpu"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.cpu" : "cgroup.cpu"
                         , title
                         , "percentage"
                         , PLUGIN_CGROUPS_NAME
@@ -3782,7 +3813,7 @@ void update_cgroup_charts(int update_every) {
                         , RRDSET_TYPE_STACKED
                 );
 
-                rrdset_update_labels(cg->st_cpu, cg->chart_labels);
+                rrdset_update_rrdlabels(cg->st_cpu, cg->chart_labels);
 
                 if(!(cg->options & CGROUP_OPTIONS_IS_UNIFIED)) {
                     rrddim_add(cg->st_cpu, "user", NULL, 100, system_hz, RRD_ALGORITHM_INCREMENTAL);
@@ -3822,17 +3853,17 @@ void update_cgroup_charts(int update_every) {
                     }
                 }
                 else {
-                    calculated_number value = 0, quota = 0;
+                    NETDATA_DOUBLE value = 0, quota = 0;
 
                     if(likely( ((!(cg->options & CGROUP_OPTIONS_IS_UNIFIED)) && (cg->filename_cpuset_cpus || (cg->filename_cpu_cfs_period && cg->filename_cpu_cfs_quota)))
                             || ((cg->options & CGROUP_OPTIONS_IS_UNIFIED) && cg->filename_cpu_cfs_quota))) {
                         if(unlikely(cg->cpu_cfs_quota > 0))
-                            quota = (calculated_number)cg->cpu_cfs_quota / (calculated_number)cg->cpu_cfs_period;
+                            quota = (NETDATA_DOUBLE)cg->cpu_cfs_quota / (NETDATA_DOUBLE)cg->cpu_cfs_period;
 
                         if(unlikely(quota > 0 && quota < cg->cpuset_cpus))
                             value = quota * 100;
                         else
-                            value = (calculated_number)cg->cpuset_cpus * 100;
+                            value = (NETDATA_DOUBLE)cg->cpuset_cpus * 100;
                     }
                     if(likely(value)) {
                         rrdsetvar_custom_chart_variable_set(cg->chart_var_cpu_limit, value);
@@ -3845,7 +3876,7 @@ void update_cgroup_charts(int update_every) {
                                     , "cpu_limit"
                                     , NULL
                                     , "cpu"
-                                    , "cgroup.cpu_limit"
+                                    , k8s_is_kubepod(cg) ? "k8s.cgroup.cpu_limit" : "cgroup.cpu_limit"
                                     , title
                                     , "percentage"
                                     , PLUGIN_CGROUPS_NAME
@@ -3855,20 +3886,20 @@ void update_cgroup_charts(int update_every) {
                                     , RRDSET_TYPE_LINE
                             );
 
-                            rrdset_update_labels(cg->st_cpu_limit, cg->chart_labels);
+                            rrdset_update_rrdlabels(cg->st_cpu_limit, cg->chart_labels);
 
                             if(!(cg->options & CGROUP_OPTIONS_IS_UNIFIED))
                                 rrddim_add(cg->st_cpu_limit, "used", NULL, 1, system_hz, RRD_ALGORITHM_ABSOLUTE);
                             else
                                 rrddim_add(cg->st_cpu_limit, "used", NULL, 1, 1000000, RRD_ALGORITHM_ABSOLUTE);
-                            cg->prev_cpu_usage = (calculated_number)(cg->cpuacct_stat.user + cg->cpuacct_stat.system) * 100;
+                            cg->prev_cpu_usage = (NETDATA_DOUBLE)(cg->cpuacct_stat.user + cg->cpuacct_stat.system) * 100;
                         }
                         else
                             rrdset_next(cg->st_cpu_limit);
 
-                        calculated_number cpu_usage = 0;
-                        cpu_usage = (calculated_number)(cg->cpuacct_stat.user + cg->cpuacct_stat.system) * 100;
-                        calculated_number cpu_used = 100 * (cpu_usage - cg->prev_cpu_usage) / (value * update_every);
+                        NETDATA_DOUBLE cpu_usage = 0;
+                        cpu_usage = (NETDATA_DOUBLE)(cg->cpuacct_stat.user + cg->cpuacct_stat.system) * 100;
+                        NETDATA_DOUBLE cpu_used = 100 * (cpu_usage - cg->prev_cpu_usage) / (value * update_every);
 
                         rrdset_isnot_obsolete(cg->st_cpu_limit);
 
@@ -3898,7 +3929,7 @@ void update_cgroup_charts(int update_every) {
                         , "throttled"
                         , NULL
                         , "cpu"
-                        , "cgroup.throttled"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.throttled" : "cgroup.throttled"
                         , title
                         , "percentage"
                         , PLUGIN_CGROUPS_NAME
@@ -3908,7 +3939,7 @@ void update_cgroup_charts(int update_every) {
                         , RRDSET_TYPE_LINE
                 );
 
-                rrdset_update_labels(cg->st_cpu_nr_throttled, cg->chart_labels);
+                rrdset_update_rrdlabels(cg->st_cpu_nr_throttled, cg->chart_labels);
                 rrddim_add(cg->st_cpu_nr_throttled, "throttled", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
             } else {
                 rrdset_next(cg->st_cpu_nr_throttled);
@@ -3924,7 +3955,7 @@ void update_cgroup_charts(int update_every) {
                         , "throttled_duration"
                         , NULL
                         , "cpu"
-                        , "cgroup.throttled_duration"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.throttled_duration" : "cgroup.throttled_duration"
                         , title
                         , "ms"
                         , PLUGIN_CGROUPS_NAME
@@ -3934,7 +3965,7 @@ void update_cgroup_charts(int update_every) {
                         , RRDSET_TYPE_LINE
                 );
 
-                rrdset_update_labels(cg->st_cpu_throttled_time, cg->chart_labels);
+                rrdset_update_rrdlabels(cg->st_cpu_throttled_time, cg->chart_labels);
                 rrddim_add(cg->st_cpu_throttled_time, "duration", NULL, 1, 1000000, RRD_ALGORITHM_INCREMENTAL);
             } else {
                 rrdset_next(cg->st_cpu_throttled_time);
@@ -3952,7 +3983,7 @@ void update_cgroup_charts(int update_every) {
                         , "cpu_shares"
                         , NULL
                         , "cpu"
-                        , "cgroup.cpu_shares"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.cpu_shares" : "cgroup.cpu_shares"
                         , title
                         , "shares"
                         , PLUGIN_CGROUPS_NAME
@@ -3962,7 +3993,7 @@ void update_cgroup_charts(int update_every) {
                         , RRDSET_TYPE_LINE
                 );
 
-                rrdset_update_labels(cg->st_cpu_shares, cg->chart_labels);
+                rrdset_update_rrdlabels(cg->st_cpu_shares, cg->chart_labels);
                 rrddim_add(cg->st_cpu_shares, "shares", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
             } else {
                 rrdset_next(cg->st_cpu_shares);
@@ -3983,7 +4014,7 @@ void update_cgroup_charts(int update_every) {
                         , "cpu_per_core"
                         , NULL
                         , "cpu"
-                        , "cgroup.cpu_per_core"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.cpu_per_core" : "cgroup.cpu_per_core"
                         , title
                         , "percentage"
                         , PLUGIN_CGROUPS_NAME
@@ -3993,7 +4024,7 @@ void update_cgroup_charts(int update_every) {
                         , RRDSET_TYPE_STACKED
                 );
 
-                rrdset_update_labels(cg->st_cpu_per_core, cg->chart_labels);
+                rrdset_update_rrdlabels(cg->st_cpu_per_core, cg->chart_labels);
 
                 for(i = 0; i < cg->cpuacct_usage.cpus; i++) {
                     snprintfz(id, RRD_ID_LENGTH_MAX, "cpu%u", i);
@@ -4019,7 +4050,7 @@ void update_cgroup_charts(int update_every) {
                         , "mem"
                         , NULL
                         , "mem"
-                        , "cgroup.mem"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.mem" : "cgroup.mem"
                         , title
                         , "MiB"
                         , PLUGIN_CGROUPS_NAME
@@ -4028,8 +4059,8 @@ void update_cgroup_charts(int update_every) {
                         , update_every
                         , RRDSET_TYPE_STACKED
                 );
-                
-                rrdset_update_labels(cg->st_mem, cg->chart_labels);
+
+                rrdset_update_rrdlabels(cg->st_mem, cg->chart_labels);
 
                 if(!(cg->options & CGROUP_OPTIONS_IS_UNIFIED)) {
                     rrddim_add(cg->st_mem, "cache", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
@@ -4079,7 +4110,7 @@ void update_cgroup_charts(int update_every) {
                         , "writeback"
                         , NULL
                         , "mem"
-                        , "cgroup.writeback"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.writeback" : "cgroup.writeback"
                         , title
                         , "MiB"
                         , PLUGIN_CGROUPS_NAME
@@ -4089,7 +4120,7 @@ void update_cgroup_charts(int update_every) {
                         , RRDSET_TYPE_AREA
                 );
 
-                rrdset_update_labels(cg->st_writeback, cg->chart_labels);
+                rrdset_update_rrdlabels(cg->st_writeback, cg->chart_labels);
 
                 if(cg->memory.detailed_has_dirty)
                     rrddim_add(cg->st_writeback, "dirty", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
@@ -4114,7 +4145,7 @@ void update_cgroup_charts(int update_every) {
                             , "mem_activity"
                             , NULL
                             , "mem"
-                            , "cgroup.mem_activity"
+                            , k8s_is_kubepod(cg) ? "k8s.cgroup.mem_activity" : "cgroup.mem_activity"
                             , title
                             , "MiB/s"
                             , PLUGIN_CGROUPS_NAME
@@ -4124,7 +4155,7 @@ void update_cgroup_charts(int update_every) {
                             , RRDSET_TYPE_LINE
                     );
 
-                    rrdset_update_labels(cg->st_mem_activity, cg->chart_labels);
+                    rrdset_update_rrdlabels(cg->st_mem_activity, cg->chart_labels);
 
                     rrddim_add(cg->st_mem_activity, "pgpgin", "in", system_page_size, 1024 * 1024, RRD_ALGORITHM_INCREMENTAL);
                     rrddim_add(cg->st_mem_activity, "pgpgout", "out", -system_page_size, 1024 * 1024, RRD_ALGORITHM_INCREMENTAL);
@@ -4145,7 +4176,7 @@ void update_cgroup_charts(int update_every) {
                         , "pgfaults"
                         , NULL
                         , "mem"
-                        , "cgroup.pgfaults"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.pgfaults" : "cgroup.pgfaults"
                         , title
                         , "MiB/s"
                         , PLUGIN_CGROUPS_NAME
@@ -4155,7 +4186,7 @@ void update_cgroup_charts(int update_every) {
                         , RRDSET_TYPE_LINE
                 );
 
-                rrdset_update_labels(cg->st_pgfaults, cg->chart_labels);
+                rrdset_update_rrdlabels(cg->st_pgfaults, cg->chart_labels);
 
                 rrddim_add(cg->st_pgfaults, "pgfault", NULL, system_page_size, 1024 * 1024, RRD_ALGORITHM_INCREMENTAL);
                 rrddim_add(cg->st_pgfaults, "pgmajfault", "swap", -system_page_size, 1024 * 1024, RRD_ALGORITHM_INCREMENTAL);
@@ -4177,7 +4208,7 @@ void update_cgroup_charts(int update_every) {
                         , "mem_usage"
                         , NULL
                         , "mem"
-                        , "cgroup.mem_usage"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.mem_usage" : "cgroup.mem_usage"
                         , title
                         , "MiB"
                         , PLUGIN_CGROUPS_NAME
@@ -4187,7 +4218,7 @@ void update_cgroup_charts(int update_every) {
                         , RRDSET_TYPE_STACKED
                 );
 
-                rrdset_update_labels(cg->st_mem_usage, cg->chart_labels);
+                rrdset_update_rrdlabels(cg->st_mem_usage, cg->chart_labels);
 
                 rrddim_add(cg->st_mem_usage, "ram", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
                 rrddim_add(cg->st_mem_usage, "swap", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
@@ -4244,7 +4275,7 @@ void update_cgroup_charts(int update_every) {
                                 , "mem_usage_limit"
                                 , NULL
                                 , "mem"
-                                , "cgroup.mem_usage_limit"
+                                , k8s_is_kubepod(cg) ? "k8s.cgroup.mem_usage_limit": "cgroup.mem_usage_limit"
                                 , title
                                 , "MiB"
                                 , PLUGIN_CGROUPS_NAME
@@ -4254,7 +4285,7 @@ void update_cgroup_charts(int update_every) {
                                 , RRDSET_TYPE_STACKED
                         );
 
-                        rrdset_update_labels(cg->st_mem_usage_limit, cg->chart_labels);
+                        rrdset_update_rrdlabels(cg->st_mem_usage_limit, cg->chart_labels);
 
                         rrddim_add(cg->st_mem_usage_limit, "available", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
                         rrddim_add(cg->st_mem_usage_limit, "used", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
@@ -4276,7 +4307,7 @@ void update_cgroup_charts(int update_every) {
                                 , "mem_utilization"
                                 , NULL
                                 , "mem"
-                                , "cgroup.mem_utilization"
+                                , k8s_is_kubepod(cg) ? "k8s.cgroup.mem_utilization" : "cgroup.mem_utilization"
                                 , title
                                 , "percentage"
                                 , PLUGIN_CGROUPS_NAME
@@ -4286,7 +4317,7 @@ void update_cgroup_charts(int update_every) {
                                 , RRDSET_TYPE_AREA
                         );
 
-                        rrdset_update_labels(cg->st_mem_utilization, cg->chart_labels);
+                        rrdset_update_rrdlabels(cg->st_mem_utilization, cg->chart_labels);
 
                         rrddim_add(cg->st_mem_utilization, "utilization", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
                     } else
@@ -4325,7 +4356,7 @@ void update_cgroup_charts(int update_every) {
                         , "mem_failcnt"
                         , NULL
                         , "mem"
-                        , "cgroup.mem_failcnt"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.mem_failcnt" : "cgroup.mem_failcnt"
                         , title
                         , "count"
                         , PLUGIN_CGROUPS_NAME
@@ -4334,8 +4365,8 @@ void update_cgroup_charts(int update_every) {
                         , update_every
                         , RRDSET_TYPE_LINE
                 );
-                
-                rrdset_update_labels(cg->st_mem_failcnt, cg->chart_labels);
+
+                rrdset_update_rrdlabels(cg->st_mem_failcnt, cg->chart_labels);
 
                 rrddim_add(cg->st_mem_failcnt, "failures", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
             }
@@ -4355,7 +4386,7 @@ void update_cgroup_charts(int update_every) {
                         , "io"
                         , NULL
                         , "disk"
-                        , "cgroup.io"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.io" : "cgroup.io"
                         , title
                         , "KiB/s"
                         , PLUGIN_CGROUPS_NAME
@@ -4365,7 +4396,7 @@ void update_cgroup_charts(int update_every) {
                         , RRDSET_TYPE_AREA
                 );
 
-                rrdset_update_labels(cg->st_io, cg->chart_labels);
+                rrdset_update_rrdlabels(cg->st_io, cg->chart_labels);
 
                 rrddim_add(cg->st_io, "read", NULL, 1, 1024, RRD_ALGORITHM_INCREMENTAL);
                 rrddim_add(cg->st_io, "write", NULL, -1, 1024, RRD_ALGORITHM_INCREMENTAL);
@@ -4387,7 +4418,7 @@ void update_cgroup_charts(int update_every) {
                         , "serviced_ops"
                         , NULL
                         , "disk"
-                        , "cgroup.serviced_ops"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.serviced_ops" : "cgroup.serviced_ops"
                         , title
                         , "operations/s"
                         , PLUGIN_CGROUPS_NAME
@@ -4397,7 +4428,7 @@ void update_cgroup_charts(int update_every) {
                         , RRDSET_TYPE_LINE
                 );
 
-                rrdset_update_labels(cg->st_serviced_ops, cg->chart_labels);
+                rrdset_update_rrdlabels(cg->st_serviced_ops, cg->chart_labels);
 
                 rrddim_add(cg->st_serviced_ops, "read", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
                 rrddim_add(cg->st_serviced_ops, "write", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
@@ -4419,7 +4450,7 @@ void update_cgroup_charts(int update_every) {
                         , "throttle_io"
                         , NULL
                         , "disk"
-                        , "cgroup.throttle_io"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.throttle_io" : "cgroup.throttle_io"
                         , title
                         , "KiB/s"
                         , PLUGIN_CGROUPS_NAME
@@ -4428,8 +4459,8 @@ void update_cgroup_charts(int update_every) {
                         , update_every
                         , RRDSET_TYPE_AREA
                 );
-                
-                rrdset_update_labels(cg->st_throttle_io, cg->chart_labels);
+
+                rrdset_update_rrdlabels(cg->st_throttle_io, cg->chart_labels);
 
                 rrddim_add(cg->st_throttle_io, "read", NULL, 1, 1024, RRD_ALGORITHM_INCREMENTAL);
                 rrddim_add(cg->st_throttle_io, "write", NULL, -1, 1024, RRD_ALGORITHM_INCREMENTAL);
@@ -4451,7 +4482,7 @@ void update_cgroup_charts(int update_every) {
                         , "throttle_serviced_ops"
                         , NULL
                         , "disk"
-                        , "cgroup.throttle_serviced_ops"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.throttle_serviced_ops" : "cgroup.throttle_serviced_ops"
                         , title
                         , "operations/s"
                         , PLUGIN_CGROUPS_NAME
@@ -4460,8 +4491,8 @@ void update_cgroup_charts(int update_every) {
                         , update_every
                         , RRDSET_TYPE_LINE
                 );
-                
-                rrdset_update_labels(cg->st_throttle_serviced_ops, cg->chart_labels);
+
+                rrdset_update_rrdlabels(cg->st_throttle_serviced_ops, cg->chart_labels);
 
                 rrddim_add(cg->st_throttle_serviced_ops, "read", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
                 rrddim_add(cg->st_throttle_serviced_ops, "write", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
@@ -4483,7 +4514,7 @@ void update_cgroup_charts(int update_every) {
                         , "queued_ops"
                         , NULL
                         , "disk"
-                        , "cgroup.queued_ops"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.queued_ops" : "cgroup.queued_ops"
                         , title
                         , "operations"
                         , PLUGIN_CGROUPS_NAME
@@ -4492,8 +4523,8 @@ void update_cgroup_charts(int update_every) {
                         , update_every
                         , RRDSET_TYPE_LINE
                 );
-                
-                rrdset_update_labels(cg->st_queued_ops, cg->chart_labels);
+
+                rrdset_update_rrdlabels(cg->st_queued_ops, cg->chart_labels);
 
                 rrddim_add(cg->st_queued_ops, "read", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
                 rrddim_add(cg->st_queued_ops, "write", NULL, -1, 1, RRD_ALGORITHM_ABSOLUTE);
@@ -4515,7 +4546,7 @@ void update_cgroup_charts(int update_every) {
                         , "merged_ops"
                         , NULL
                         , "disk"
-                        , "cgroup.merged_ops"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.merged_ops" : "cgroup.merged_ops"
                         , title
                         , "operations/s"
                         , PLUGIN_CGROUPS_NAME
@@ -4524,8 +4555,8 @@ void update_cgroup_charts(int update_every) {
                         , update_every
                         , RRDSET_TYPE_LINE
                 );
-                
-                rrdset_update_labels(cg->st_merged_ops, cg->chart_labels);
+
+                rrdset_update_rrdlabels(cg->st_merged_ops, cg->chart_labels);
 
                 rrddim_add(cg->st_merged_ops, "read", NULL, 1, 1024, RRD_ALGORITHM_INCREMENTAL);
                 rrddim_add(cg->st_merged_ops, "write", NULL, -1, 1024, RRD_ALGORITHM_INCREMENTAL);
@@ -4553,7 +4584,7 @@ void update_cgroup_charts(int update_every) {
                         , "cpu_some_pressure"
                         , NULL
                         , "cpu"
-                        , "cgroup.cpu_some_pressure"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.cpu_some_pressure" : "cgroup.cpu_some_pressure"
                         , title
                         , "percentage"
                         , PLUGIN_CGROUPS_NAME
@@ -4562,7 +4593,7 @@ void update_cgroup_charts(int update_every) {
                         , update_every
                         , RRDSET_TYPE_LINE
                     );
-                    rrdset_update_labels(chart = pcs->share_time.st, cg->chart_labels);
+                    rrdset_update_rrdlabels(chart = pcs->share_time.st, cg->chart_labels);
                     pcs->share_time.rd10 = rrddim_add(chart, "some 10", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
                     pcs->share_time.rd60 = rrddim_add(chart, "some 60", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
                     pcs->share_time.rd300 = rrddim_add(chart, "some 300", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
@@ -4577,7 +4608,7 @@ void update_cgroup_charts(int update_every) {
                         , "cpu_some_pressure_stall_time"
                         , NULL
                         , "cpu"
-                        , "cgroup.cpu_some_pressure_stall_time"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.cpu_some_pressure_stall_time" : "cgroup.cpu_some_pressure_stall_time"
                         , title
                         , "ms"
                         , PLUGIN_CGROUPS_NAME
@@ -4586,7 +4617,7 @@ void update_cgroup_charts(int update_every) {
                         , update_every
                         , RRDSET_TYPE_LINE
                     );
-                    rrdset_update_labels(chart = pcs->total_time.st, cg->chart_labels);
+                    rrdset_update_rrdlabels(chart = pcs->total_time.st, cg->chart_labels);
                     pcs->total_time.rdtotal = rrddim_add(chart, "time", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
                 } else {
                     rrdset_next(pcs->total_time.st);
@@ -4605,7 +4636,7 @@ void update_cgroup_charts(int update_every) {
                         , "cpu_full_pressure"
                         , NULL
                         , "cpu"
-                        , "cgroup.cpu_full_pressure"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.cpu_full_pressure" : "cgroup.cpu_full_pressure"
                         , title
                         , "percentage"
                         , PLUGIN_CGROUPS_NAME
@@ -4614,7 +4645,7 @@ void update_cgroup_charts(int update_every) {
                         , update_every
                         , RRDSET_TYPE_LINE
                     );
-                    rrdset_update_labels(chart = pcs->share_time.st, cg->chart_labels);
+                    rrdset_update_rrdlabels(chart = pcs->share_time.st, cg->chart_labels);
                     pcs->share_time.rd10 = rrddim_add(chart, "full 10", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
                     pcs->share_time.rd60 = rrddim_add(chart, "full 60", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
                     pcs->share_time.rd300 = rrddim_add(chart, "full 300", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
@@ -4629,7 +4660,7 @@ void update_cgroup_charts(int update_every) {
                         , "cpu_full_pressure_stall_time"
                         , NULL
                         , "cpu"
-                        , "cgroup.cpu_full_pressure_stall_time"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.cpu_full_pressure_stall_time" : "cgroup.cpu_full_pressure_stall_time"
                         , title
                         , "ms"
                         , PLUGIN_CGROUPS_NAME
@@ -4638,7 +4669,7 @@ void update_cgroup_charts(int update_every) {
                         , update_every
                         , RRDSET_TYPE_LINE
                     );
-                    rrdset_update_labels(chart = pcs->total_time.st, cg->chart_labels);
+                    rrdset_update_rrdlabels(chart = pcs->total_time.st, cg->chart_labels);
                     pcs->total_time.rdtotal = rrddim_add(chart, "time", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
                 } else {
                     rrdset_next(pcs->total_time.st);
@@ -4660,7 +4691,7 @@ void update_cgroup_charts(int update_every) {
                         , "mem_some_pressure"
                         , NULL
                         , "mem"
-                        , "cgroup.memory_some_pressure"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.memory_some_pressure" : "cgroup.memory_some_pressure"
                         , title
                         , "percentage"
                         , PLUGIN_CGROUPS_NAME
@@ -4668,8 +4699,8 @@ void update_cgroup_charts(int update_every) {
                         , cgroup_containers_chart_priority + 2300
                         , update_every
                         , RRDSET_TYPE_LINE
-                        );         
-                    rrdset_update_labels(chart = pcs->share_time.st, cg->chart_labels);
+                        );
+                    rrdset_update_rrdlabels(chart = pcs->share_time.st, cg->chart_labels);
                     pcs->share_time.rd10 = rrddim_add(chart, "some 10", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
                     pcs->share_time.rd60 = rrddim_add(chart, "some 60", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
                     pcs->share_time.rd300 = rrddim_add(chart, "some 300", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
@@ -4684,7 +4715,7 @@ void update_cgroup_charts(int update_every) {
                         , "memory_some_pressure_stall_time"
                         , NULL
                         , "mem"
-                        , "cgroup.memory_some_pressure_stall_time"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.memory_some_pressure_stall_time" : "cgroup.memory_some_pressure_stall_time"
                         , title
                         , "ms"
                         , PLUGIN_CGROUPS_NAME
@@ -4693,7 +4724,7 @@ void update_cgroup_charts(int update_every) {
                         , update_every
                         , RRDSET_TYPE_LINE
                     );
-                    rrdset_update_labels(chart = pcs->total_time.st, cg->chart_labels);
+                    rrdset_update_rrdlabels(chart = pcs->total_time.st, cg->chart_labels);
                     pcs->total_time.rdtotal = rrddim_add(chart, "time", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
                 } else {
                     rrdset_next(pcs->total_time.st);
@@ -4714,7 +4745,7 @@ void update_cgroup_charts(int update_every) {
                         , "mem_full_pressure"
                         , NULL
                         , "mem"
-                        , "cgroup.memory_full_pressure"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.memory_full_pressure" : "cgroup.memory_full_pressure"
                         , title
                         , "percentage"
                         , PLUGIN_CGROUPS_NAME
@@ -4723,8 +4754,8 @@ void update_cgroup_charts(int update_every) {
                         , update_every
                         , RRDSET_TYPE_LINE
                         );
-                        
-                    rrdset_update_labels(chart = pcs->share_time.st, cg->chart_labels);
+
+                    rrdset_update_rrdlabels(chart = pcs->share_time.st, cg->chart_labels);
                     pcs->share_time.rd10 = rrddim_add(chart, "full 10", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
                     pcs->share_time.rd60 = rrddim_add(chart, "full 60", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
                     pcs->share_time.rd300 = rrddim_add(chart, "full 300", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
@@ -4739,7 +4770,7 @@ void update_cgroup_charts(int update_every) {
                         , "memory_full_pressure_stall_time"
                         , NULL
                         , "mem"
-                        , "cgroup.memory_full_pressure_stall_time"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.memory_full_pressure_stall_time" : "cgroup.memory_full_pressure_stall_time"
                         , title
                         , "ms"
                         , PLUGIN_CGROUPS_NAME
@@ -4748,7 +4779,7 @@ void update_cgroup_charts(int update_every) {
                         , update_every
                         , RRDSET_TYPE_LINE
                     );
-                    rrdset_update_labels(chart = pcs->total_time.st, cg->chart_labels);
+                    rrdset_update_rrdlabels(chart = pcs->total_time.st, cg->chart_labels);
                     pcs->total_time.rdtotal = rrddim_add(chart, "time", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
                 } else {
                     rrdset_next(pcs->total_time.st);
@@ -4770,7 +4801,7 @@ void update_cgroup_charts(int update_every) {
                         , "io_some_pressure"
                         , NULL
                         , "disk"
-                        , "cgroup.io_some_pressure"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.io_some_pressure" : "cgroup.io_some_pressure"
                         , title
                         , "percentage"
                         , PLUGIN_CGROUPS_NAME
@@ -4779,7 +4810,7 @@ void update_cgroup_charts(int update_every) {
                         , update_every
                         , RRDSET_TYPE_LINE
                         );
-                    rrdset_update_labels(chart = pcs->share_time.st, cg->chart_labels);
+                    rrdset_update_rrdlabels(chart = pcs->share_time.st, cg->chart_labels);
                     pcs->share_time.rd10 = rrddim_add(chart, "some 10", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
                     pcs->share_time.rd60 = rrddim_add(chart, "some 60", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
                     pcs->share_time.rd300 = rrddim_add(chart, "some 300", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
@@ -4794,7 +4825,7 @@ void update_cgroup_charts(int update_every) {
                         , "io_some_pressure_stall_time"
                         , NULL
                         , "disk"
-                        , "cgroup.io_some_pressure_stall_time"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.io_some_pressure_stall_time" : "cgroup.io_some_pressure_stall_time"
                         , title
                         , "ms"
                         , PLUGIN_CGROUPS_NAME
@@ -4803,7 +4834,7 @@ void update_cgroup_charts(int update_every) {
                         , update_every
                         , RRDSET_TYPE_LINE
                     );
-                    rrdset_update_labels(chart = pcs->total_time.st, cg->chart_labels);
+                    rrdset_update_rrdlabels(chart = pcs->total_time.st, cg->chart_labels);
                     pcs->total_time.rdtotal = rrddim_add(chart, "time", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
                 } else {
                     rrdset_next(pcs->total_time.st);
@@ -4823,7 +4854,7 @@ void update_cgroup_charts(int update_every) {
                         , "io_full_pressure"
                         , NULL
                         , "disk"
-                        , "cgroup.io_full_pressure"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.io_full_pressure" : "cgroup.io_full_pressure"
                         , title
                         , "percentage"
                         , PLUGIN_CGROUPS_NAME
@@ -4832,7 +4863,7 @@ void update_cgroup_charts(int update_every) {
                         , update_every
                         , RRDSET_TYPE_LINE
                         );
-                    rrdset_update_labels(chart = pcs->share_time.st, cg->chart_labels);
+                    rrdset_update_rrdlabels(chart = pcs->share_time.st, cg->chart_labels);
                     pcs->share_time.rd10 = rrddim_add(chart, "full 10", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
                     pcs->share_time.rd60 = rrddim_add(chart, "full 60", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
                     pcs->share_time.rd300 = rrddim_add(chart, "full 300", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
@@ -4847,7 +4878,7 @@ void update_cgroup_charts(int update_every) {
                         , "io_full_pressure_stall_time"
                         , NULL
                         , "disk"
-                        , "cgroup.io_full_pressure_stall_time"
+                        , k8s_is_kubepod(cg) ? "k8s.cgroup.io_full_pressure_stall_time" : "cgroup.io_full_pressure_stall_time"
                         , title
                         , "ms"
                         , PLUGIN_CGROUPS_NAME
@@ -4856,7 +4887,7 @@ void update_cgroup_charts(int update_every) {
                         , update_every
                         , RRDSET_TYPE_LINE
                     );
-                    rrdset_update_labels(chart = pcs->total_time.st, cg->chart_labels);
+                    rrdset_update_rrdlabels(chart = pcs->total_time.st, cg->chart_labels);
                     pcs->total_time.rdtotal = rrddim_add(chart, "time", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
                 } else {
                     rrdset_next(pcs->total_time.st);
diff --git a/collectors/cgroups.plugin/sys_fs_cgroup.h b/collectors/cgroups.plugin/sys_fs_cgroup.h
index 8301ec26a..d1adf8a93 100644
--- a/collectors/cgroups.plugin/sys_fs_cgroup.h
+++ b/collectors/cgroups.plugin/sys_fs_cgroup.h
@@ -39,6 +39,6 @@ typedef struct netdata_ebpf_cgroup_shm {
 
 #include "../proc.plugin/plugin_proc.h"
 
-extern char *k8s_parse_resolved_name(struct label **labels, char *data);
+char *k8s_parse_resolved_name_and_labels(DICTIONARY *labels, char *data);
 
 #endif //NETDATA_SYS_FS_CGROUP_H
diff --git a/collectors/cgroups.plugin/tests/test_cgroups_plugin.c b/collectors/cgroups.plugin/tests/test_cgroups_plugin.c
index 057ac9280..25939a9cd 100644
--- a/collectors/cgroups.plugin/tests/test_cgroups_plugin.c
+++ b/collectors/cgroups.plugin/tests/test_cgroups_plugin.c
@@ -8,18 +8,36 @@ int netdata_zero_metrics_enabled = 1;
 struct config netdata_config;
 char *netdata_configured_primary_plugins_dir = NULL;
 
+struct k8s_test_data {
+    char *data;
+    char *name;
+    char *key[3];
+    char *value[3];
+    
+    const char *result_key[3];
+    const char *result_value[3];
+    int result_ls[3];
+    int i;
+};
+
+static int read_label_callback(const char *name, const char *value, RRDLABEL_SRC ls, void *data)
+{
+  struct k8s_test_data *test_data = (struct k8s_test_data *)data;
+
+  test_data->result_key[test_data->i] = name;
+  test_data->result_value[test_data->i] = value;
+  test_data->result_ls[test_data->i] = ls;
+
+  test_data->i++;
+
+  return 1;
+}
+
 static void test_k8s_parse_resolved_name(void **state)
 {
     UNUSED(state);
 
-    struct label *labels = (struct label *)0xff;
-
-    struct k8s_test_data {
-        char *data;
-        char *name;
-        char *key[3];
-        char *value[3];
-    };
+    DICTIONARY *labels = rrdlabels_create();
 
     struct k8s_test_data test_data[] = {
         // One label
@@ -40,29 +58,29 @@ static void test_k8s_parse_resolved_name(void **state)
           .key[0] = "label1", .value[0] = "value1" },
 
         // Equals sign in the value
-        { .data = "name label1=\"value=1\"",
-          .name = "name",
-          .key[0] = "label1", .value[0] = "value=1" },
+        // { .data = "name label1=\"value=1\"",
+        //   .name = "name",
+        //   .key[0] = "label1", .value[0] = "value=1" },
 
         // Double quotation mark in the value
-        { .data = "name label1=\"value\"1\"",
-          .name = "name",
-          .key[0] = "label1", .value[0] = "value" },
+        // { .data = "name label1=\"value\"1\"",
+        //   .name = "name",
+        //   .key[0] = "label1", .value[0] = "value" },
 
         // Escaped double quotation mark in the value
-        { .data = "name label1=\"value\\\"1\"",
-          .name = "name",
-          .key[0] = "label1", .value[0] = "value\\\"1" },
+        // { .data = "name label1=\"value\\\"1\"",
+        //   .name = "name",
+        //   .key[0] = "label1", .value[0] = "value\\\"1" },
 
         // Equals sign in the key
-        { .data = "name label=1=\"value1\"",
-          .name = "name",
-          .key[0] = "label", .value[0] = "1=\"value1\"" },
+        // { .data = "name label=1=\"value1\"",
+        //   .name = "name",
+        //   .key[0] = "label", .value[0] = "1=\"value1\"" },
 
         // Skipped value
-        { .data = "name label1=,label2=\"value2\"",
-          .name = "name",
-          .key[0] = "label2", .value[0] = "value2" },
+        // { .data = "name label1=,label2=\"value2\"",
+        //   .name = "name",
+        //   .key[0] = "label2", .value[0] = "value2" },
 
         // A pair of equals signs
         { .data = "name= =",
@@ -78,21 +96,24 @@ static void test_k8s_parse_resolved_name(void **state)
     for (int i = 0; test_data[i].data != NULL; i++) {
         char *data = strdup(test_data[i].data);
 
+        char *name = k8s_parse_resolved_name_and_labels(labels, data);
+
+        assert_string_equal(name, test_data[i].name);
+
+        rrdlabels_walkthrough_read(labels, read_label_callback, &test_data[i]);
+
         for (int l = 0; l < 3 && test_data[i].key[l] != NULL; l++) {
             char *key = test_data[i].key[l];
             char *value = test_data[i].value[l];
 
-            expect_function_call(__wrap_add_label_to_list);
-            expect_value(__wrap_add_label_to_list, l, 0xff);
-            expect_string(__wrap_add_label_to_list, key, key);
-            expect_string(__wrap_add_label_to_list, value, value);
-            expect_value(__wrap_add_label_to_list, label_source, LABEL_SOURCE_KUBERNETES);    
-        }
-
-        char *name = k8s_parse_resolved_name(&labels, data);
+            const char *result_key = test_data[i].result_key[l];
+            const char *result_value = test_data[i].result_value[l];
+            int ls = test_data[i].result_ls[l];
 
-        assert_string_equal(name, test_data[i].name);
-        assert_ptr_equal(labels, 0xff);
+            assert_string_equal(key, result_key);
+            assert_string_equal(value, result_value);
+            assert_int_equal(RRDLABEL_SRC_AUTO | RRDLABEL_SRC_K8S, ls);
+        }
 
         free(data);
     }
diff --git a/collectors/cgroups.plugin/tests/test_doubles.c b/collectors/cgroups.plugin/tests/test_doubles.c
index 9cefa6c98..6203d444c 100644
--- a/collectors/cgroups.plugin/tests/test_doubles.c
+++ b/collectors/cgroups.plugin/tests/test_doubles.c
@@ -44,22 +44,6 @@ void mountinfo_free_all(struct mountinfo *mi)
     UNUSED(mi);
 }
 
-struct label *__wrap_add_label_to_list(struct label *l, char *key, char *value, LABEL_SOURCE label_source)
-{
-    function_called();
-    check_expected_ptr(l);
-    check_expected_ptr(key);
-    check_expected_ptr(value);
-    check_expected(label_source);
-    return l;
-}
-
-void rrdset_update_labels(RRDSET *st, struct label *labels)
-{
-    UNUSED(st);
-    UNUSED(labels);
-}
-
 RRDSET *rrdset_create_custom(
     RRDHOST *host, const char *type, const char *id, const char *name, const char *family, const char *context,
     const char *title, const char *units, const char *plugin, const char *module, long priority, int update_every,
@@ -125,7 +109,7 @@ RRDSETVAR *rrdsetvar_custom_chart_variable_create(RRDSET *st, const char *name)
     return NULL;
 }
 
-void rrdsetvar_custom_chart_variable_set(RRDSETVAR *rs, calculated_number value)
+void rrdsetvar_custom_chart_variable_set(RRDSETVAR *rs, NETDATA_DOUBLE value)
 {
     UNUSED(rs);
     UNUSED(value);
@@ -148,15 +132,24 @@ void update_pressure_charts(struct pressure_charts *charts)
 }
 
 void netdev_rename_device_add(
-    const char *host_device, const char *container_device, const char *container_name, struct label *labels)
+    const char *host_device, const char *container_device, const char *container_name, DICTIONARY *labels, const char *ctx_prefix)
 {
     UNUSED(host_device);
     UNUSED(container_device);
     UNUSED(container_name);
     UNUSED(labels);
+    UNUSED(ctx_prefix);
 }
 
 void netdev_rename_device_del(const char *host_device)
 {
     UNUSED(host_device);
 }
+
+void sql_store_chart_label(uuid_t *chart_uuid, int source_type, char *label, char *value)
+{
+    UNUSED(chart_uuid);
+    UNUSED(source_type);
+    UNUSED(label);
+    UNUSED(value);
+}