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https://github.com/nushell/nu_scripts.git
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kubernetes to docker-compose (#726)
- kubernetes to docker-compose - rearrange helm related commands Co-authored-by: nash <nash@iffy.me>
This commit is contained in:
fj0r
GitHub
parent
cc4e573a24
commit
0d55be71ea
@ -79,126 +79,6 @@ export def kk [p: path] {
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kubectl kustomize $p
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}
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# helm list and get
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export def kgh [
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name?: string@"nu-complete helm list"
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--namespace (-n): string@"nu-complete kube ns"
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--manifest (-m)
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--values(-v)
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--all (-a)
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] {
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if ($name | is-empty) {
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let ns = if $all { [--all] } else { $namespace | with-flag -n }
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helm list $ns --output json
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| from json
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| update updated {|x|
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$x.updated
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| str substring ..-4
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| into datetime -f '%Y-%m-%d %H:%M:%S.%f %z'
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}
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} else {
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if $manifest {
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helm get manifest $name ($namespace | with-flag -n)
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} else if $values {
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helm get values $name ($namespace | with-flag -n)
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} else {
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helm get notes $name ($namespace | with-flag -n)
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}
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}
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}
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def "nu-complete helm list" [context: string, offset: int] {
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let ctx = $context | argx parse
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kgh -n $ctx.namespace? | each {|x| {value: $x.name description: $x.updated} }
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}
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def "nu-complete helm charts" [context: string, offset: int] {
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let ctx = $context | argx parse
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let path = $ctx | get _pos.chart
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let path = if ($path | is-empty) { '.' } else { $path }
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let paths = do -i { ls $"($path)*" | each {|x| if $x.type == dir { $"($x.name)/"} else { $x.name }} }
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helm repo list | from ssv -a | rename value description
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| append $paths
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}
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def record-to-set-json [value] {
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$value | transpose k v
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| each {|x| $"($x.k)=($x.v | to json -r)"}
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| str join ','
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}
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# helm install or upgrade via values file
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export def kah [
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name: string@"nu-complete helm list"
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chart: string@"nu-complete helm charts"
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valuefile: path
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--values (-v): any
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--namespace (-n): string@"nu-complete kube ns"
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] {
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let update = $name in (
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helm list ($namespace | with-flag -n) --output json
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| from json | get name
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)
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let act = if $update { [upgrade] } else { [install] }
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let values = if ($values | is-empty) { [] } else { [--set-json (record-to-set-json $values)] }
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helm $act $name $chart -f $valuefile $values ($namespace | with-flag -n)
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}
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# helm diff
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export def kdh [
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name: string@"nu-complete helm list"
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chart: string@"nu-complete helm charts"
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valuefile: path
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--values (-v): any
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--namespace (-n): string@"nu-complete kube ns"
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--ignore-image (-i)
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--has-plugin (-h)
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] {
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if $has_plugin {
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helm diff $name $chart -f $valuefile ($namespace | with-flag -n)
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} else {
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let update = $name in (
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helm list ($namespace | with-flag -n) --output json
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| from json | get name
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)
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if not $update {
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echo "new installation"
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return
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}
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let values = if ($values | is-empty) { [] } else { [--set-json (record-to-set-json $values)] }
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let target = $'/tmp/($chart | path basename).($name).out.yaml'
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helm template --debug $name $chart -f $valuefile $values ($namespace | with-flag -n) | save -f $target
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if $ignore_image {
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do -i { yq -i ea 'del(.spec.template.spec.containers.[].image)' $target }
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}
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kubectl diff -f $target
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}
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}
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# helm delete
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export def kdelh [
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name: string@"nu-complete helm list"
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--namespace (-n): string@"nu-complete kube ns"
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] {
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helm uninstall $name ($namespace | with-flag -n)
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}
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# helm template
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export def kh [
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chart: string@"nu-complete helm charts"
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valuefile: path
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--values (-v): any
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--namespace (-n): string@"nu-complete kube ns"='test'
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--app (-a): string='test'
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] {
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let values = if ($values | is-empty) { [] } else { [--set-json (record-to-set-json $values)] }
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let target = $valuefile | split row '.' | range ..-2 | append [out yaml] | str join '.'
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if (not ($target | path exists)) and (([yes no] | input list $'create ($target)?') in [no]) { return }
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helm template --debug $app $chart -f $valuefile $values ($namespace | with-flag -n)
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| save -f $target
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}
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### ctx
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export def "kube-config" [] {
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let file = if ($env.KUBECONFIG? | is-empty) { $"($env.HOME)/.kube/config" } else { $env.KUBECONFIG }
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@ -884,3 +764,280 @@ export def kgcert [] {
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kubectl get order.acme -o wide | from ssv | rename order.acme
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kubectl get challenges.acme -o wide | from ssv | rename challenges.acme
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}
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# kubernetes to docker-compose
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export def kcmp [--without-service(-s)] {
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let a = $in
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let dpl = $a | where kind == 'Deployment'
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mut dpl_svc = {}
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mut svc = {}
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if not $without_service {
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let svcs = $a | where kind == 'Service'
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for s in $svcs {
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for d in $dpl {
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let dl = $d.metadata.labels?
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let ss = $s.spec.selector?
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mut p = true
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for x in ($ss | transpose k v) {
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if (not ($x.k in $dl)) or (($dl | get $x.k) != $x.v) {
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$p = false
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break
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}
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}
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if $p {
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let dn = $d.metadata.name
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let dv = if $dn in $dpl_svc {
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$dpl_svc | get $dn
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} else { [] }
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$dpl_svc = ($dpl_svc | upsert $dn ($dv | append $s.metadata.name))
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}
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}
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}
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$svc = ($svcs
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| reduce -f {} {|i, a|
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$a | upsert $i.metadata.name $i.spec.ports
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})
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}
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let dpl_svc = $dpl_svc
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let svc = $svc
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let cm = $a | where kind == 'ConfigMap'
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| reduce -f {} {|i,a|
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let p = ['.kcmp', 'ConfigMap', $i.metadata.name] | path join
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mkdir $p
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for f in ($i.data | transpose k v) {
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$f.v | save -f ([$p $f.k] | path join)
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}
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$a | insert $i.metadata.name $p
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}
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let sec = $a | where kind == 'Secret'
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| reduce -f {} {|i,a|
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let p = ['.kcmp', 'Secret', $i.metadata.name] | path join
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mkdir $p
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for f in ($i.data | transpose k v) {
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$f.v | decode base64 | save -f ([$p $f.k] | path join)
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}
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$a | insert $i.metadata.name $p
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}
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let pv = $a | where kind == 'PersistentVolume'
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| reduce -f {} {|i,a| $a | insert $i.metadata.name $i.spec.local?.path? }
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let pvc = $a | where kind == 'PersistentVolumeClaim'
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| reduce -f {} {|i,a| $a | insert $i.metadata.name ($pv | get $i.spec.volumeName) }
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let services = $dpl
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| each {|x|
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let d = $x.metadata.name
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let s = if not $without_service {
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$dpl_svc
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| get $d
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| each {|z| $svc | get $z}
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| flatten
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| each {|z| [$z.port $z.targetPort] }
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}
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let v = $x.spec.template.spec.volumes?
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| reduce -f {} {|i,a|
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$a | insert $i.name $i
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}
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$x.spec.template.spec.containers?
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| default []
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| each {|y|
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let ca = $y.securityContext?.capabilities?.add?
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let cd = $y.securityContext?.capabilities?.drop?
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let v = $y.volumeMounts?
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| default []
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| each {|z|
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let sp = $z.subPath? | default ''
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let s = $v | get $z.name
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let s = if not ($s.hostPath? | is-empty) {
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$s.hostPath.path
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} else if not ($s.path? | is-empty) {
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$s.path
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} else if not ($s.persistentVolumeClaim?.claimName? | is-empty) {
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$pvc | get $s.persistentVolumeClaim.claimName
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} else if not ($s.configMap?.name? | is-empty) {
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['.'
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($cm | get $s.configMap.name)
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$sp
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] | path join
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} else if not ($s.secret?.secretName? | is-empty) {
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['.'
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($sec | get $s.secret.secretName)
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$sp
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] | path join
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} else {
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$s
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}
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let m = [$z.mountPath $sp] | path join
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$"($s):($m)"
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}
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let s = if $without_service {
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$y.ports? | default [] | each {|x| $"($x.containerPort):($x.containerPort)"}
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} else {
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$s | each {|x|
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if ($x.1 | find -r '[^0-9]' | is-empty) {
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$"($x.0):($x.1)"
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} else {
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mut p = ''
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for i in ($y.ports? | default []) {
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if $i.name == $x.1 {
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$p = $i.containerPort
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break
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}
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}
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$"($x.0):($p)"
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}
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}
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}
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{
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name: $"($d)_($y.name)"
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image: $y.image
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environment: ($y.env? | reduce -f {} {|i,a| $a | insert $i.name $i.value?})
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ports: $s
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entrypoint: $y.command?
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command: $y.args?
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cap_add: $ca
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cap_drop: $cd
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volumes: $v
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}
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| transpose k v
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| reduce -f {} {|i,a|
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if ($i.v | is-empty) {
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$a
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} else {
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$a | insert $i.k $i.v
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}
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}
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}
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}
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| flatten
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| reduce -f {} {|i,a|
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$a | insert $i.name ($i | reject name)
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}
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{ version: '3.8', services: $services}
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| to yaml
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}
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# helm list and get
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export def kgh [
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name?: string@"nu-complete helm list"
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--namespace (-n): string@"nu-complete kube ns"
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--manifest (-m)
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--values(-v)
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--all (-a)
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] {
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if ($name | is-empty) {
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let ns = if $all { [--all] } else { $namespace | with-flag -n }
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helm list $ns --output json
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| from json
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| update updated {|x|
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$x.updated
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| str substring ..-4
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| into datetime -f '%Y-%m-%d %H:%M:%S.%f %z'
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}
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} else {
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if $manifest {
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helm get manifest $name ($namespace | with-flag -n)
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} else if $values {
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helm get values $name ($namespace | with-flag -n)
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} else {
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helm get notes $name ($namespace | with-flag -n)
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}
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}
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}
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def "nu-complete helm list" [context: string, offset: int] {
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let ctx = $context | argx parse
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kgh -n $ctx.namespace? | each {|x| {value: $x.name description: $x.updated} }
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}
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def "nu-complete helm charts" [context: string, offset: int] {
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let ctx = $context | argx parse
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let path = $ctx | get _pos.chart
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let path = if ($path | is-empty) { '.' } else { $path }
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let paths = do -i { ls $"($path)*" | each {|x| if $x.type == dir { $"($x.name)/"} else { $x.name }} }
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helm repo list | from ssv -a | rename value description
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| append $paths
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}
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def record-to-set-json [value] {
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$value | transpose k v
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| each {|x| $"($x.k)=($x.v | to json -r)"}
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| str join ','
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}
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# helm install or upgrade via values file
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export def kah [
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name: string@"nu-complete helm list"
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chart: string@"nu-complete helm charts"
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valuefile: path
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--values (-v): any
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--namespace (-n): string@"nu-complete kube ns"
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] {
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let update = $name in (
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helm list ($namespace | with-flag -n) --output json
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| from json | get name
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)
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let act = if $update { [upgrade] } else { [install] }
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let values = if ($values | is-empty) { [] } else { [--set-json (record-to-set-json $values)] }
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helm $act $name $chart -f $valuefile $values ($namespace | with-flag -n)
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}
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# helm diff
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export def kdh [
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name: string@"nu-complete helm list"
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chart: string@"nu-complete helm charts"
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valuefile: path
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--values (-v): any
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--namespace (-n): string@"nu-complete kube ns"
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--ignore-image (-i)
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--has-plugin (-h)
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] {
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if $has_plugin {
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helm diff $name $chart -f $valuefile ($namespace | with-flag -n)
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} else {
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let update = $name in (
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helm list ($namespace | with-flag -n) --output json
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| from json | get name
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)
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if not $update {
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echo "new installation"
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return
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}
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let values = if ($values | is-empty) { [] } else { [--set-json (record-to-set-json $values)] }
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let target = $'/tmp/($chart | path basename).($name).out.yaml'
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helm template --debug $name $chart -f $valuefile $values ($namespace | with-flag -n) | save -f $target
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if $ignore_image {
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do -i { yq -i ea 'del(.spec.template.spec.containers.[].image)' $target }
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}
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kubectl diff -f $target
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}
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}
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# helm delete
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export def kdelh [
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name: string@"nu-complete helm list"
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--namespace (-n): string@"nu-complete kube ns"
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] {
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helm uninstall $name ($namespace | with-flag -n)
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}
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# helm template
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export def kh [
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chart: string@"nu-complete helm charts"
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valuefile: path
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--values (-v): any
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--namespace (-n): string@"nu-complete kube ns"='test'
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--app (-a): string='test'
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] {
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let values = if ($values | is-empty) { [] } else { [--set-json (record-to-set-json $values)] }
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let target = $valuefile | split row '.' | range ..-2 | append [out yaml] | str join '.'
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if (not ($target | path exists)) and (([yes no] | input list $'create ($target)?') in [no]) { return }
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helm template --debug $app $chart -f $valuefile $values ($namespace | with-flag -n)
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| save -f $target
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}
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