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Feat: make tempo memberlist parameter configurable #3952

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49a7e7a
feat: add join_members to memberlist configuration
paranoiasystem Oct 20, 2025
7073ee7
fix: memberlist join configuration
paranoiasystem Oct 20, 2025
87e3404
chore: increment version number
paranoiasystem Oct 20, 2025
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2 changes: 1 addition & 1 deletion charts/tempo-distributed/Chart.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@ apiVersion: v2
name: tempo-distributed
description: Grafana Tempo in MicroService mode
type: application
version: 1.48.1
version: 1.48.2
appVersion: 2.8.2
engine: gotpl
home: https://grafana.com/docs/tempo/latest/
Expand Down
73 changes: 44 additions & 29 deletions charts/tempo-distributed/values.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -11,11 +11,11 @@ global:
# -- Overrides the priorityClassName for all pods
priorityClassName: null
# -- configures cluster domain ("cluster.local" by default)
clusterDomain: 'cluster.local'
clusterDomain: "cluster.local"
# -- configures DNS service name
dnsService: 'kube-dns'
dnsService: "kube-dns"
# -- configures DNS service namespace
dnsNamespace: 'kube-system'
dnsNamespace: "kube-system"
# -- Common environment variables to add to all pods directly managed by this chart.
# scope: admin-api, compactor, distributor, enterprise-federation-frontend, gateway, ingester, memcached, metrics-generator, querier, query-frontend, tokengen
extraEnv: []
Expand All @@ -27,7 +27,7 @@ global:
extraArgs: []
# -- Global storage class to be used for persisted components
storageClass: null
fullnameOverride: ''
fullnameOverride: ""
# fullnameOverride: tempo

# -- Configuration is loaded from the secret called 'externalConfigSecretName'.
Expand All @@ -48,7 +48,7 @@ externalConfigSecretName: '{{ include "tempo.resourceName" (dict "ctx" . "compon
externalRuntimeConfigName: '{{ include "tempo.resourceName" (dict "ctx" . "component" "runtime") }}'

# -- When 'useExternalConfig' is true, then changing 'externalConfigVersion' triggers restart of services - otherwise changes to the configuration cause a restart.
externalConfigVersion: '0'
externalConfigVersion: "0"

# -- If true, Tempo will report anonymous usage data about the shape of a deployment to Grafana Labs
reportingEnabled: true
Expand Down Expand Up @@ -103,10 +103,10 @@ tempo:
# -- Configure the IP families for all tempo services
# See the Service spec for details: https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.31/#servicespec-v1-core
ipFamilies:
- 'IPv4'
- "IPv4"
# - 'IPv6'
# -- Configure the IP family policy for all tempo services. SingleStack, PreferDualStack or RequireDualStack
ipFamilyPolicy: 'SingleStack'
ipFamilyPolicy: "SingleStack"
serviceAccount:
# -- Specifies whether a ServiceAccount should be created
create: true
Expand Down Expand Up @@ -460,7 +460,21 @@ metricsGenerator:
# -- Additional dimensions to add to the metrics along with the default dimensions.
# -- The resource and span attributes to be added to the span metrics, if present.
dimensions: []
histogram_buckets: [0.002, 0.004, 0.008, 0.016, 0.032, 0.064, 0.128, 0.256, 0.512, 1.02, 2.05, 4.10]
histogram_buckets:
[
0.002,
0.004,
0.008,
0.016,
0.032,
0.064,
0.128,
0.256,
0.512,
1.02,
2.05,
4.10,
]
storage:
path: /var/tempo/wal
wal:
Expand Down Expand Up @@ -523,7 +537,7 @@ distributor:
# -- Type of service for the distributor
type: ClusterIP
# -- If type is LoadBalancer you can assign the IP to the LoadBalancer
loadBalancerIP: ''
loadBalancerIP: ""
# -- If type is LoadBalancer limit incoming traffic from IPs.
loadBalancerSourceRanges: []
# -- If type is LoadBalancer you can set it to 'Local' [preserve the client source IP](https://kubernetes.io/docs/tasks/access-application-cluster/create-external-load-balancer/#preserving-the-client-source-ip)
Expand Down Expand Up @@ -768,7 +782,7 @@ compactor:
dnsConfig:
options:
- name: ndots
value: "3" # This is required for Azure Kubernetes Service (AKS) https://github.com/grafana/tempo/issues/1462
value: "3" # This is required for Azure Kubernetes Service (AKS) https://github.com/grafana/tempo/issues/1462

# Configuration for the querier
querier:
Expand Down Expand Up @@ -1185,7 +1199,7 @@ enterpriseFederationFrontend:
multitenancyEnabled: false

rollout_operator:
# -- Enable rollout-operator. It must be enabled when using Zone Aware Replication.
# -- Enable rollout-operator. It must be enabled when using Zone Aware Replication.
enabled: false

podSecurityContext:
Expand Down Expand Up @@ -1273,6 +1287,7 @@ memberlist:
bind_port: 7946
packet_dial_timeout: "5s"
packet_write_timeout: "5s"
join_members: null

# -- Config file contents for Tempo distributed. Passed through the `tpl` function to allow templating

Expand Down Expand Up @@ -1531,8 +1546,10 @@ config: |
{{- with .Values.memberlist }}
{{- toYaml . | nindent 2 }}
{{- end }}
{{- if eq .Values.memberlist.join_members nil }}
join_members:
- dns+{{ include "tempo.fullname" . }}-gossip-ring:{{ .Values.memberlist.bind_port }}
{{- end }}
overrides:
{{- toYaml .Values.overrides | nindent 2 }}
server:
Expand Down Expand Up @@ -1843,19 +1860,19 @@ metaMonitoring:
# configuration to write logs to this Loki-compatible remote. Optional.
remote:
# -- Full URL for Loki push endpoint. Usually ends in /loki/api/v1/push
url: ''
url: ""

auth:
# -- Used to set X-Scope-OrgID header on requests. Usually not used in combination with username and password.
tenantId: ''
tenantId: ""

# -- Basic authentication username. Optional.
username: ''
username: ""

# -- The value under key passwordSecretKey in this secret will be used as the basic authentication password. Required only if passwordSecretKey is set.
passwordSecretName: ''
passwordSecretName: ""
# -- The value under this key in passwordSecretName will be used as the basic authentication password. Required only if passwordSecretName is set.
passwordSecretKey: ''
passwordSecretKey: ""

# -- Client configurations for the LogsInstance that will scrape Mimir pods. Follows the format of .remote.
additionalClientConfigs: []
Expand All @@ -1866,18 +1883,18 @@ metaMonitoring:
# Note that you need to configure serviceMonitor in order to have some metrics available.
remote:
# -- Full URL for Prometheus remote-write. Usually ends in /push
url: ''
url: ""

# -- Used to add HTTP headers to remote-write requests.
headers: {}
auth:
# -- Basic authentication username. Optional.
username: ''
username: ""

# -- The value under key passwordSecretKey in this secret will be used as the basic authentication password. Required only if passwordSecretKey is set.
passwordSecretName: ''
passwordSecretName: ""
# -- The value under this key in passwordSecretName will be used as the basic authentication password. Required only if passwordSecretName is set.
passwordSecretKey: ''
passwordSecretKey: ""

# -- Additional remote-write for the MetricsInstance that will scrape Mimir pods. Follows the format of .remote.
additionalRemoteWriteConfigs: []
Expand All @@ -1895,7 +1912,7 @@ metaMonitoring:
app.kubernetes.io/name: kube-state-metrics

# -- Sets the namespace of the resources. Leave empty or unset to use the same namespace as the Helm release.
namespace: ''
namespace: ""

# -- Labels to add to all monitoring.grafana.com custom resources.
# Does not affect the ServiceMonitors for kubernetes metrics; use serviceMonitor.labels for that.
Expand Down Expand Up @@ -1951,7 +1968,7 @@ minio:
cpu: 100m
memory: 128Mi
# Changed the mc config path to '/tmp' from '/etc' as '/etc' is only writable by root and OpenShift will not permit this.
configPathmc: '/tmp/minio/mc/'
configPathmc: "/tmp/minio/mc/"

# Configuration for the gateway
gateway:
Expand Down Expand Up @@ -2116,11 +2133,11 @@ gateway:
'"$request" $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';
# -- Allows appending custom configuration to the server block
serverSnippet: ''
serverSnippet: ""
# -- Allows appending custom configuration to the http block
httpSnippet: ''
httpSnippet: ""
# -- Allows overriding the DNS resolver address nginx will use
resolver: ''
resolver: ""
# -- Config file contents for Nginx. Passed through the `tpl` function to allow templating
# @default -- See values.yaml
file: |
Expand Down Expand Up @@ -2304,7 +2321,7 @@ enterprise:
# To set the license contents, use the flag `--set-file 'license.contents=./license.jwt'`
# To use your own Kubernetes Secret, `--set license.external=true`.
license:
contents: 'NOTAVALIDLICENSE'
contents: "NOTAVALIDLICENSE"
external: false
secretName: '{{ include "tempo.resourceName" (dict "ctx" . "component" "license") }}'

Expand Down Expand Up @@ -2393,7 +2410,6 @@ provisioner:
# -- Volumes to add to the provisioner pods
extraVolumes: []


kubectlImage:
repository: alpine/kubectl
tag: latest
Expand Down Expand Up @@ -2576,8 +2592,7 @@ enterpriseGateway:
{{- include "tempo.selectorLabels" (dict "ctx" . "component" "enterprise-gateway") | nindent 12 }}
topologyKey: topology.kubernetes.io/zone

securityContext:
{}
securityContext: {}

# -- The SecurityContext for enterprise-gateway containers
containerSecurityContext:
Expand Down
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