Documentation
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Overview ¶
Package chart fetches a remote chart into the build artifact, so that a plan built where the registries are reachable can be applied where they are not.
It is `helm pull` done through the very getters nelm uses at apply time (the helm SDK vendored inside nelm), so a chart that resolves during build resolves the same way here. The published archive is written as-is: whatever it carries in charts/ travels with it, but a chart that expects its dependencies to be fetched while rendering still needs its repositories reachable.
Index ¶
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
func Download ¶
Download fetches the chart into dir, creating dir if needed, and returns the path of the file it wrote (dir/<name>-<version>.tgz). With a provenance strategy set, the .prov file lands next to it.
Types ¶
type Options ¶
type Options struct {
// Ref is the chart as nelm would receive it: a bare chart name when RepoURL
// is set, an oci:// URL for a registry, a plain name otherwise.
Ref string
// Version is a version or constraint ("15.x"); empty means latest.
Version string
// RepoURL is the helm chart-repository URL; empty for OCI.
RepoURL string
Username string
Password string
// PassCredentials forwards basic auth beyond the repository host.
PassCredentials bool
SkipTLSVerify bool
CAFile string
CertFile string
KeyFile string
PlainHTTP bool
RequestTimeout time.Duration
// ProvenanceStrategy / ProvenanceKeyring verify the chart's PGP signature
// while it is fetched. Empty strategy means "never", as in nelm.
ProvenanceStrategy string
ProvenanceKeyring string
// RegistryConfigPath is a Docker config.json with OCI registry credentials;
// empty falls back to helm's default (~/.docker/config.json).
RegistryConfigPath string
// Out receives the downloader's warnings; nil discards them.
Out io.Writer
}
Options describe one chart to fetch and how to reach the repository it comes from. They mirror repo.ChartResolution — the same settings nelm would be handed at apply time — plus the version and the OCI credentials file.
Source Files