helm template 模板相关命令

template # 在本地渲染 chart 模板，并展示输出

helm template [NAME] [CHART] [FLAGS]

FLAGS

• -a, –api-versions stringArray     Kubernetes api versions used for Capabilities.APIVersions
• –atomic                       if set, the installation process deletes the installation on failure. The –wait flag will be set automatically if –atomic is used
• –ca-file string               verify certificates of HTTPS-enabled servers using this CA bundle
• –cert-file string             identify HTTPS client using this SSL certificate file
• –create-namespace             create the release namespace if not present
• –dependency-update            run helm dependency update before installing the chart
• –description string           add a custom description
• –devel                        use development versions, too. Equivalent to version ‘>0.0.0-0’. If –version is set, this is ignored
• –disable-openapi-validation   if set, the installation process will not validate rendered templates against the Kubernetes OpenAPI Schema
• –dry-run                      simulate an install
• -g, –generate-name                generate the name (and omit the NAME parameter)
• -h, –help                         help for template
• –include-crds                 include CRDs in the templated output
• –is-upgrade                   set .Release.IsUpgrade instead of .Release.IsInstall
• –key-file string              identify HTTPS client using this SSL key file
• –keyring string               location of public keys used for verification (default “/root/.gnupg/pubring.gpg”)
• –name-template string         specify template used to name the release
• –no-hooks                     prevent hooks from running during install
• –output-dir # 将输出的内容写入指定的文件中，默认是输出到标准输出
• –password string              chart repository password where to locate the requested chart
• –post-renderer postrenderer   the path to an executable to be used for post rendering. If it exists in $PATH, the binary will be used, otherwise it will try to look for the executable at the given path (default exec)
• –release-name                 use release name in the output-dir path.
• –render-subchart-notes        if set, render subchart notes along with the parent
• –replace                      re-use the given name, only if that name is a deleted release which remains in the history. This is unsafe in production
• –repo string                  chart repository url where to locate the requested chart
• –set stringArray              set values on the command line (can specify multiple or separate values with commas: key1=val1,key2=val2)
• –set-file stringArray         set values from respective files specified via the command line (can specify multiple or separate values with commas: key1=path1,key2=path2)
• –set-string stringArray       set STRING values on the command line (can specify multiple or separate values with commas: key1=val1,key2=val2)
• -s, –show-only PATH/TO/TEMP# 只显示指定的模板进行渲染出来的 manifest 文件
• –skip-crds                    if set, no CRDs will be installed. By default, CRDs are installed if not already present
• –timeout duration             time to wait for any individual Kubernetes operation (like Jobs for hooks) (default 5m0s)
• –username string              chart repository username where to locate the requested chart
• –validate                     validate your manifests against the Kubernetes cluster you are currently pointing at. This is the same validation performed on an install
• -f, –values strings               specify values in a YAML file or a URL (can specify multiple)
• –verify                       verify the package before installing it
• –version string               specify the exact chart version to install. If this is not specified, the latest version is installed
• –wait                         if set, will wait until all Pods, PVCs, Services, and minimum number of Pods of a Deployment, StatefulSet, or ReplicaSet are in a ready state before marking the release as successful. It will wait for as long as –timeout

EXAMPLE

1. helm template rancher ./rancher-2.4.5.tgz –output-dir . #
2. helm template test ./platform/ –output-dir ./test #