Merge branch 'sy-rm-monitor-metrics-05' into 'master'

Remove unused metrics dashboard templates

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/160488



Merged-by: Jose Ivan Vargas <jvargas@gitlab.com>
Approved-by: Jose Ivan Vargas <jvargas@gitlab.com>
Reviewed-by: Jose Ivan Vargas <jvargas@gitlab.com>
Co-authored-by: syasonik <syasonik@gitlab.com>

lib/gitlab/metrics/templates/Area.metrics-dashboard.yml

-# Only one dashboard should be defined per file
-# More info: https://docs.gitlab.com/ee/operations/metrics/dashboards/yaml.html
-dashboard: 'Area Panel Example'
-
-# For more information about the required properties of panel_groups
-# please visit: https://docs.gitlab.com/ee/operations/metrics/dashboards/yaml.html#panel-group-panel_groups-properties
-panel_groups:
-  - group: 'Server Statistics'
-    panels:
-      - title: Average amount of time spent by the CPU
-        type: area-chart
-        metrics:
-            - query_range: 'rate(node_cpu_seconds_total[15m])'
-              unit: 'Seconds'
-              label: "Time in Seconds"

lib/gitlab/metrics/templates/Default.metrics-dashboard.yml

-# Only one dashboard should be defined per file
-# More info: https://docs.gitlab.com/ee/operations/metrics/dashboards/yaml.html
-dashboard: 'Single Stat'
-
-# This is where all of the variables that can be manipulated via the UI
-# are initialized
-# Check out: https://docs.gitlab.com/ee/operations/metrics/dashboards/templating_variables.html#templating-variables-for-metrics-dashboards-core
-templating:
-  variables:
-    job: 'prometheus'
-
-# For more information about the required properties of panel_groups
-# please visit: https://docs.gitlab.com/ee/operations/metrics/dashboards/yaml.html#panel-group-panel_groups-properties
-panel_groups:
-  - group: 'Memory'
-    panels:
-      - title: Prometheus
-        type: single-stat
-        metrics:
-            # Queries that make use of variables need to have double curly brackets {}
-            # set to the variables, per the example below
-            - query: 'max(go_memstats_alloc_bytes{job="{{job}}"}) / 1024 /1024'
-              unit: '%'
-              label: "Max"

lib/gitlab/metrics/templates/gauge.metrics-dashboard.yml

-# Only one dashboard should be defined per file
-# More info: https://docs.gitlab.com/ee/operations/metrics/dashboards/yaml.html
-dashboard: 'Gauge Panel Example'
-
-# For more information about the required properties of panel_groups
-# please visit: https://docs.gitlab.com/ee/operations/metrics/dashboards/yaml.html#panel-group-panel_groups-properties
-panel_groups:
-  - group: 'Server Statistics'
-    panels:
-      - title: "Memory usage"
-        # More information about gauge panel types can be found here:
-        # https://docs.gitlab.com/ee/operations/metrics/dashboards/panel_types.html#gauge
-        type: "gauge-chart"
-        min_value: 0
-        max_value: 1024
-        split: 10
-        thresholds:
-          mode: "percentage"
-          values: [60, 90]
-        format: "megabytes"
-        metrics:
-            - query: '(node_memory_MemTotal_bytes - (node_memory_MemFree_bytes + node_memory_Buffers_bytes + node_memory_Cached_bytes)) / 1024 / 1024'
-              unit: 'MB'

lib/gitlab/metrics/templates/index.md

-# Development guide for Metrics Dashboard templates
-
-Please follow [the development guideline](../../../../doc/development/operations/metrics/templates.md)

lib/gitlab/metrics/templates/k8s_area.metrics-dashboard.yml

-# Only one dashboard should be defined per file
-# More info: https://docs.gitlab.com/ee/operations/metrics/dashboards/yaml.html
-dashboard: 'Area Panel Example'
-
-# For more information about the required properties of panel_groups
-# please visit: https://docs.gitlab.com/ee/operations/metrics/dashboards/yaml.html#panel-group-panel_groups-properties
-panel_groups:
-  - group: 'Server Statistics'
-    panels:
-      - title: "Core Usage (Pod Average)"
-        type: area-chart
-        metrics:
-            - query_range: 'avg(sum(rate(container_cpu_usage_seconds_total{container!="POD",pod=~"^{{ci_environment_slug}}-([^c].*|c([^a]|a([^n]|n([^a]|a([^r]|r[^y])))).*|)-(.*)",namespace="{{kube_namespace}}"}[15m])) by (job)) without (job) / count(sum(rate(container_cpu_usage_seconds_total{container!="POD",pod=~"^{{ci_environment_slug}}-([^c].*|c([^a]|a([^n]|n([^a]|a([^r]|r[^y])))).*|)-(.*)",namespace="{{kube_namespace}}"}[15m])) by (pod))     OR      avg(sum(rate(container_cpu_usage_seconds_total{container_name!="POD",pod_name=~"^{{ci_environment_slug}}-([^c].*|c([^a]|a([^n]|n([^a]|a([^r]|r[^y])))).*|)-(.*)",namespace="{{kube_namespace}}"}[15m])) by (job)) without (job) / count(sum(rate(container_cpu_usage_seconds_total{container_name!="POD",pod_name=~"^{{ci_environment_slug}}-([^c].*|c([^a]|a([^n]|n([^a]|a([^r]|r[^y])))).*|)-(.*)",namespace="{{kube_namespace}}"}[15m])) by (pod_name))'
-              unit: 'cores'
-              label: "Pod Average (in seconds)"

lib/gitlab/metrics/templates/k8s_gauge.metrics-dashboard.yml

-# Only one dashboard should be defined per file
-# More info: https://docs.gitlab.com/ee/operations/metrics/dashboards/yaml.html
-dashboard: 'Gauge K8s Panel Example'
-
-# For more information about the required properties of panel_groups
-# please visit: https://docs.gitlab.com/ee/operations/metrics/dashboards/yaml.html#panel-group-panel_groups-properties
-panel_groups:
-  - group: 'Server Statistics'
-    panels:
-      - title: "Memory usage"
-        # More information about gauge panel types can be found here:
-        # https://docs.gitlab.com/ee/operations/metrics/dashboards/panel_types.html#gauge
-        type: "gauge-chart"
-        min_value: 0
-        max_value: 1024
-        split: 10
-        thresholds:
-          mode: "percentage"
-          values: [60, 90]
-        format: "megabytes"
-        metrics:
-            - query: 'avg(sum(container_memory_usage_bytes{container!="POD",pod=~"^{{ci_environment_slug}}-([^c].*|c([^a]|a([^n]|n([^a]|a([^r]|r[^y])))).*|)-(.*)",namespace="{{kube_namespace}}"}) by (job)) without (job) / count(avg(container_memory_usage_bytes{container!="POD",pod=~"^{{ci_environment_slug}}-([^c].*|c([^a]|a([^n]|n([^a]|a([^r]|r[^y])))).*|)-(.*)",namespace="{{kube_namespace}}"}) without (job)) /1024/1024     OR      avg(sum(container_memory_usage_bytes{container_name!="POD",pod_name=~"^{{ci_environment_slug}}-([^c].*|c([^a]|a([^n]|n([^a]|a([^r]|r[^y])))).*|)-(.*)",namespace="{{kube_namespace}}"}) by (job)) without (job) / count(avg(container_memory_usage_bytes{container_name!="POD",pod_name=~"^{{ci_environment_slug}}-([^c].*|c([^a]|a([^n]|n([^a]|a([^r]|r[^y])))).*|)-(.*)",namespace="{{kube_namespace}}"}) without (job)) /1024/1024'
-              unit: 'MB'

lib/gitlab/metrics/templates/k8s_single-stat.metrics-dashboard.yml

-# Only one dashboard should be defined per file
-# More info: https://docs.gitlab.com/ee/operations/metrics/dashboards/yaml.html
-dashboard: 'Single Stat Panel Example'
-
-# For more information about the required properties of panel_groups
-# please visit: https://docs.gitlab.com/ee/operations/metrics/dashboards/yaml.html#panel-group-panel_groups-properties
-panel_groups:
-  - group: 'Server Statistics'
-    panels:
-      - title: "Memory usage"
-        # More information about heatmap panel types can be found here:
-        # https://docs.gitlab.com/ee/operations/metrics/dashboards/panel_types.html#single-stat
-        type: "single-stat"
-        metrics:
-            - query: 'avg(sum(container_memory_usage_bytes{container!="POD",pod=~"^{{ci_environment_slug}}-([^c].*|c([^a]|a([^n]|n([^a]|a([^r]|r[^y])))).*|)-(.*)",namespace="{{kube_namespace}}"}) by (job)) without (job) / count(avg(container_memory_usage_bytes{container!="POD",pod=~"^{{ci_environment_slug}}-([^c].*|c([^a]|a([^n]|n([^a]|a([^r]|r[^y])))).*|)-(.*)",namespace="{{kube_namespace}}"}) without (job)) /1024/1024     OR      avg(sum(container_memory_usage_bytes{container_name!="POD",pod_name=~"^{{ci_environment_slug}}-([^c].*|c([^a]|a([^n]|n([^a]|a([^r]|r[^y])))).*|)-(.*)",namespace="{{kube_namespace}}"}) by (job)) without (job) / count(avg(container_memory_usage_bytes{container_name!="POD",pod_name=~"^{{ci_environment_slug}}-([^c].*|c([^a]|a([^n]|n([^a]|a([^r]|r[^y])))).*|)-(.*)",namespace="{{kube_namespace}}"}) without (job)) /1024/1024'
-              unit: 'MB'
-              label: "Used memory"

lib/gitlab/metrics/templates/single-stat.metrics-dashboard.yml

-# Only one dashboard should be defined per file
-# More info: https://docs.gitlab.com/ee/operations/metrics/dashboards/yaml.html
-dashboard: 'Heatmap Panel Example'
-
-# For more information about the required properties of panel_groups
-# please visit: https://docs.gitlab.com/ee/operations/metrics/dashboards/yaml.html#panel-group-panel_groups-properties
-panel_groups:
-  - group: 'Server Statistics'
-    panels:
-      - title: "Memory usage"
-        # More information about heatmap panel types can be found here:
-        # https://docs.gitlab.com/ee/operations/metrics/dashboards/panel_types.html#single-stat
-        type: "single-stat"
-        metrics:
-            - query: '(node_memory_MemTotal_bytes - (node_memory_MemFree_bytes + node_memory_Buffers_bytes + node_memory_Cached_bytes)) / 1024 / 1024'
-              unit: 'MB'
-              label: "Used memory"