Nova Commands and Output

nova.md

Commands and Output for the Nova Blog Post

Install Nova:

curl -L "https://github.com/FairwindsOps/nova/releases/download/3.2.0/nova_3.2.0_linux_amd64.tar.gz" > nova.tar.gz
tar -xvf nova.tar.gz
sudo mv nova /usr/local/bin/

nova help

 fairwinds tool to check for updated chart releases.

Usage:
  nova [flags]
  nova [command]

Available Commands:
  completion      Generate the autocompletion script for the specified shell
  find            Find out-of-date deployed releases.
  generate-config Generate a config file.
  help            Help about any command
  version         Prints the current version.

Flags:
      --alsologtostderr                   log to standard error as well as files (default true)
      --config string                     Config file to use. If empty, flags will be used instead
      --context string                    A context to use in the kubeconfig.
  -d, --desired-versions stringToString   A map of chart=override_version to override the helm repository when checking. (default [])
  -h, --help                              help for nova
  -a, --include-all                       Show all charts even if no latest version is found.
      --logtostderr                       log to standard error instead of files (default true)
      --output-file string                Path on local filesystem to write file output to
      --poll-artifacthub                  When true, polls artifacthub to match against helm releases in the cluster. If false, you must provide a url list via --url/-u. Default is true. (default true)
      --show-old                          Only show charts that are not on the latest version
  -u, --url strings                       URL for a helm chart repo
  -v, --v Level                           number for the log level verbosity
      --wide                              Output chart name and namespace

Use "nova [command] --help" for more information about a command.

nova find

Release Name             Installed    Latest    Old      Deprecated
============             =========    ======    ===      ==========
kube-prometheus-stack    26.1.0       37.3.0    true     false
metrics-server           3.8.0        3.8.2     true     false
vpa                      1.4.0        1.4.0     false    false

nova find --wide

Release Name             Chart Name               Namespace    HelmVersion    Installed    Latest    Old      Deprecated
============             ==========               =========    ===========    =========    ======    ===      ==========
kube-prometheus-stack    kube-prometheus-stack    demo         3              26.1.0       37.3.0    true     false
metrics-server           metrics-server           demo         3              3.8.0        3.8.2     true     false
vpa                      vpa                      demo         3              1.4.0        1.4.0     false    false

Chart.yaml

apiVersion: v2
name: metrics-server
description: Metrics Server is a scalable, efficient source of container resource metrics for Kubernetes built-in autoscaling pipelines.
type: application
version: 3.8.2
appVersion: 0.6.1
keywords:
  - kubernetes
  - metrics-server
  - metrics
home: https://github.com/kubernetes-sigs/metrics-server
icon: https://avatars.githubusercontent.com/u/36015203?s=400&v=4
sources:
  - https://github.com/kubernetes-sigs/metrics-server
maintainers:
  - name: stevehipwell
    url: https://github.com/stevehipwell
  - name: krmichel
    url: https://github.com/krmichel
  - name: endrec
    url: https://github.com/endrec
annotations:
  artifacthub.io/changes: |
    - kind: changed
      description: "Allow probes to be turned off completly (this is not advised unless you know what you're doing)."

Deprecation Output

Release Name    Installed    Latest    Old      Deprecated
============    =========    ======    ===      ==========
kubewatch       3.3.4        3.3.4     false    true

nova find --containers

Container Name                                            Current Version         Old     Latest     Latest Minor            Latest Patch
==============                                            ===============         ===     ======     =============           =============
quay.io/prometheus/alertmanager                           v0.23.0                 true    v0.24.0    v0.23.0                 v0.23.0
quay.io/prometheus-operator/prometheus-config-reloader    v0.53.1                 true    v0.58.0    v0.53.1                 v0.53.1
quay.io/kiwigrid/k8s-sidecar                              1.14.2                  true    1.19.2     1.19.2                  1.14.3
grafana/grafana                                           8.3.3                   true    9.0.4      8.5.9                   8.3.10
k8s.gcr.io/kube-state-metrics/kube-state-metrics          v2.3.0                  true    v2.5.0     v2.5.0                  v2.3.0
quay.io/prometheus-operator/prometheus-operator           v0.53.1                 true    v0.58.0    v0.53.1                 v0.53.1
docker.io/bitnami/kubewatch                               0.1.0-debian-10-r571    true    0.1.0      0.1.0-debian-10-r571    0.1.0
k8s.gcr.io/metrics-server/metrics-server                  v0.6.0                  true    v0.6.1     v0.6.0                  v0.6.1
us.gcr.io/k8s-artifacts-prod/ingress-nginx/controller     v0.34.1                 true    v1.3.0     v0.34.1                 v0.34.1
quay.io/prometheus/prometheus                             v2.32.1                 true    v2.37.0    v2.37.0                 v2.32.1
k8s.gcr.io/autoscaling/vpa-recommender                    0.10.0                  true    0.11.0     0.10.0                  0.10.0
k8s.gcr.io/autoscaling/vpa-updater                        0.10.0                  true    0.11.0     0.10.0                  0.10.0
docker.io/datawire/quote                                  0.4.1                   true    0.5.0      0.4.1                   0.4.1
k8s.gcr.io/coredns/coredns                                v1.8.6                  true    v1.9.3     v1.9.3                  v1.8.6
k8s.gcr.io/etcd                                           3.5.3-0                 true    3.5.4-0    3.5.3-0                 3.5.3-0
k8s.gcr.io/kube-apiserver                                 v1.24.1                 true    v1.24.3    v1.24.3                 v1.24.3
k8s.gcr.io/kube-controller-manager                        v1.24.1                 true    v1.24.3    v1.24.3                 v1.24.3
k8s.gcr.io/kube-proxy                                     v1.24.1                 true    v1.24.3    v1.24.3                 v1.24.3
k8s.gcr.io/kube-scheduler                                 v1.24.1                 true    v1.24.3    v1.24.3                 v1.24.3

Nova Config File

containers: false
context: ""
desired-versions: { 
  kube-prometheus-stack: 26.1.0
}
include-all: false
output-file: ""
poll-artifacthub: true
show-errored-containers: false
show-non-semver: false
show-old: false
url: []
wide: false