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Last active July 30, 2021 00:05
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ytt example
$ ytt -f rebase.yml -f input.yml -f cluster.yaml
type:
kind: Cluster
package: vmware.tanzu.manage.v1alpha1.cluster
version: v1alpha1
fullName:
managementClusterName: "seti-labs"
name: cluster-cli
provisionerName: "lab"
meta:
labels: null
spec:
clusterGroupName: seti-labs
tkgServiceVsphere:
distribution:
version: v1.18.10+vmware.1-tkg.1.3a6cd48
settings:
network:
pods:
cidrBlocks:
- 192.0.2.0/16
services:
cidrBlocks:
- 198.51.100.0/12
storage:
classes:
- k8s-storage-policy
defaultClass: "k8s-storage-policy"
topology:
controlPlane:
class: best-effort-medium
highAvailability: false
storageClass: k8s-storage-policy
nodePools:
- info:
description: default description for the nodepool
name: default-node-pool
spec:
tkgServiceVsphere:
class: best-effort-medium
storageClass: k8s-storage-policy
workerNodeCount: "1"
fullName:
managementClusterName: seti-labs
name: cluster-cli
orgId: d8bdaf07-6e61-4310-92f3-8c52e24a2d54
provisionerName: lab
meta:
annotations:
authoritativeRID: rid:c:d8bdaf07-6e61-4310-92f3-8c52e24a2d54:seti-labs:lab:cluster-cli
creationTime: "2021-07-29T15:58:55.248931Z"
labels:
tmc.cloud.vmware.com/creator: warroyo
parentReferences:
- rid: rid:cg:d8bdaf07-6e61-4310-92f3-8c52e24a2d54:seti-labs
uid: cg:01F1NCANC0FMN0SW6XBE4XZZ8H
- rid: rid:prvn:d8bdaf07-6e61-4310-92f3-8c52e24a2d54:seti-labs:lab
uid: prvn:01FAG4ZRWPB44MBJKPWAAREYXB
resourceVersion: 81730:31255308
uid: c:01FBSFTXRJTG4QE97M4W2SNX2X
updateTime: "2021-07-29T19:30:43Z"
spec:
clusterGroupName: seti-labs
tkgServiceVsphere:
distribution:
version: v1.18.10+vmware.1-tkg.1.3a6cd48
settings:
network:
pods:
cidrBlocks:
- 192.0.2.0/16
services:
cidrBlocks:
- 198.51.100.0/12
storage:
classes:
- k8s-storage-policy
defaultClass: k8s-storage-policy
topology:
controlPlane:
class: best-effort-medium
storageClass: k8s-storage-policy
status:
allocatedCpu:
allocatable: 4000
allocatedPercentage: 79
requested: 3180
units: millicores
allocatedMemory:
allocatable: 15747
allocatedPercentage: 19
requested: 3066
units: mb
conditions:
Agent-READY:
message: cluster is connected to TMC and healthy
reason: 'phase: COMPLETE, health: HEALTHY'
severity: INFO
status: "TRUE"
type: READY
WCM-Ready:
severity: INFO
status: "TRUE"
type: Ready
WCM-VersionIsLatest:
message: Version v1.20.7+vmware.1-tkg.1.7fb9067 is available for upgrade
severity: INFO
status: "FALSE"
type: VersionIsLatest
health: HEALTHY
healthDetails:
controllerManagerHealth:
message: Health status is unsupported for kube server version [v1.18.10+vmware.1].
name: controller-manager
etcdHealth:
- health: HEALTHY
message: Healthy
name: etcd-0
message: Cluster is healthy
schedulerHealth:
message: Health status is unsupported for kube server version [v1.18.10+vmware.1].
name: scheduler
timestamp: "2021-07-29T19:21:54.366891Z"
infrastructureProvider: VMWARE_VSPHERE
kubeServerVersion: v1.18.10+vmware.1
kubernetesProvider:
type: VMWARE_TANZU_KUBERNETES_GRID_SERVICE
nodeCount: "2"
phase: READY
type: TANZU_KUBERNETES_GRID_SERVICE
type:
kind: Cluster
package: vmware.tanzu.manage.v1alpha1.cluster
version: v1alpha1
#@ load("@ytt:overlay", "overlay")
#@ load("@ytt:template", "template")
#@ load("@ytt:data", "data")
#@ load("@ytt:yaml", "yaml")
#! remove current state from the output
#@overlay/match by=lambda i,l,r: "uid" in l["meta"]
#@overlay/remove
---
#! load current state into a variable
#@ current = yaml.decode(data.read("input.yml"))
#! combine desired state with current state
#@overlay/match by=overlay.all
---
fullName:
#@overlay/match missing_ok=True
orgId: #@ current["fullName"]["orgId"]
#@yaml/text-templated-strings
meta:
#@ meta = current["meta"]
#@overlay/match missing_ok=True
annotations:
#@ for/end k in meta["annotations"]:
#@overlay/match when=0
(@= k @): #@ meta["annotations"][k]
#@overlay/match missing_ok=True
labels:
#@ for/end k in meta["labels"]:
#@overlay/match when=0
(@= k @): #@ meta["labels"][k]
#@ meta.pop("labels")
#@ meta.pop("annotations")
#@ for/end k in meta:
#@overlay/match missing_ok=True
(@= k @): #@ meta[k]
#@overlay/match missing_ok=True
status: #@ current["status"]
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