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fix: Use -f with yaml of helm patch #1026

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merged 2 commits into from
Dec 14, 2020
Merged

fix: Use -f with yaml of helm patch #1026

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027617f
Use -f with yaml of helm patch
mmorhun Dec 10, 2020
4cb3b46
Clarify --helm-patch-yaml flag description
mmorhun Dec 11, 2020
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4 changes: 3 additions & 1 deletion README.md
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Expand Up @@ -524,7 +524,9 @@ OPTIONS
The URL of the external Devfile registry.

--helm-patch-yaml=helm-patch-yaml
Path to yaml file with Helm Chart values patch. The file format is identical to values.yaml from the chart.
Path to yaml file with Helm Chart values patch.
The file format is identical to values.yaml from the chart.
Note, Provided command line arguments take precedence over patch file.

--k8spoddownloadimagetimeout=k8spoddownloadimagetimeout
[default: 600000] Waiting time for Pod downloading image (in milliseconds)
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4 changes: 3 additions & 1 deletion src/commands/server/deploy.ts
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Expand Up @@ -117,7 +117,9 @@ export default class Deploy extends Command {
[CHE_OPERATOR_CR_YAML_KEY]: cheOperatorCRYaml,
[CHE_OPERATOR_CR_PATCH_YAML_KEY]: cheOperatorCRPatchYaml,
'helm-patch-yaml': string({
description: 'Path to yaml file with Helm Chart values patch. The file format is identical to values.yaml from the chart.',
description: `Path to yaml file with Helm Chart values patch.
The file format is identical to values.yaml from the chart.
Note, Provided command line arguments take precedence over patch file.`,
default: '',
}),
'workspace-pvc-storage-class-name': string({
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34 changes: 2 additions & 32 deletions src/tasks/installers/helm.ts
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Expand Up @@ -348,18 +348,9 @@ error: E_COMMAND_FAILED`)
setOptions.push(`--set cheImage=${cheImage}`)
setOptions.push(`--set che.disableProbes=${flags.debug}`)

if (flags['helm-patch-yaml']) {
// Read patch yaml. Has format the same as values.yaml
const patchTree: { [key: string]: any } = await this.kubeHelper.safeLoadFromYamlFile(flags['helm-patch-yaml'])
// Flat the yaml tree into key-value format
const patchProperties = this.prepareYamlPatch(patchTree)
// Add patch properties to the command
for (const property of patchProperties) {
setOptions.push(`--set ${property}`)
}
}
const patchFlags = flags['helm-patch-yaml'] ? '-f ' + flags['helm-patch-yaml'] : ''

let command = `helm upgrade --install che --force --namespace ${flags.chenamespace} ${setOptions.join(' ')} ${multiUserFlag} ${tlsFlag} ${destDir}`
let command = `helm upgrade --install che --force --namespace ${flags.chenamespace} ${setOptions.join(' ')} ${multiUserFlag} ${tlsFlag} ${patchFlags} ${destDir}`
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should patchFlags be at the very end ?

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Usage:
  helm upgrade [RELEASE] [CHART] [flags]

flags can be set at the end, or before (like chectl is doing). Both will work. In this case ${destDir} is the CHART parameter. If you want to follow helm's documented usage, you will need to shuffle more than that parameter.


let { exitCode, stderr } = await execa(command, { timeout: execTimeout, reject: false, shell: true })
// if process failed, check the following
Expand Down Expand Up @@ -389,25 +380,4 @@ error: E_COMMAND_FAILED`)
}
}

/**
* Returns flaten key=value structure of the given object.
* Nested object keys are separated by dot.
* @param patchTree object with properties and nested objects
*/
private prepareYamlPatch(patchTree: { [key: string]: any }): string[] {
const patches: string[] = []
for (const key of Object.keys(patchTree)) {
const value = patchTree[key]
if (typeof value !== 'object') {
patches.push(`${key}=${value}`)
} else {
const subProperties = this.prepareYamlPatch(value)
for (const subProperty of subProperties) {
patches.push(`${key}.${subProperty}`)
}
}
}
return patches
}

}