Documentation ¶
Overview ¶
Package envoy provides a high level view of the variables that go into selecting an envoy version.
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Constants ¶
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const ( // SidecarMetaParam is the parameter name used to configure the connect sidecar // at the client level. Setting this option in client configuration takes the // lowest precedence. // // If this meta option is not set in client configuration, it defaults to // ImageFormat, so that Nomad will defer envoy version selection to Consul. SidecarMetaParam = "connect.sidecar_image" // SidecarConfigVar is used as the default config.image value for connect // sidecar proxies, when they are injected in the job connect mutator. SidecarConfigVar = "${meta." + SidecarMetaParam + "}" // GatewayMetaParam is the parameter name used to configure the connect gateway // at the client level. Setting this option in client configuration takes the // lowest precedence. // // If this meta option is not set in client configuration, it defaults to // ImageFormat, so that Nomad will defer envoy version selection to Consul. GatewayMetaParam = "connect.gateway_image" // GatewayConfigVar is used as the default config.image value for connect // gateway proxies, when they are injected in the job connect mutator. GatewayConfigVar = "${meta." + GatewayMetaParam + "}" // ImageFormat is the default format string used for official envoy Docker // images with the tag being the semver of the version of envoy. Nomad fakes // interpolation of ${NOMAD_envoy_version} by replacing it with the version // string for envoy that Consul reports as preferred. // // Folks wanting to build and use custom images while still having Nomad refer // to specific versions as preferred by Consul would set meta.connect.sidecar_image // to something like: "custom/envoy:${NOMAD_envoy_version}". ImageFormat = "envoyproxy/envoy:v" + VersionVar // VersionVar will be replaced with the Envoy version string when // used in the meta.connect.sidecar_image variable. VersionVar = "${NOMAD_envoy_version}" // FallbackImage is the image set in the node meta by default // to be used by Consul Connect sidecar tasks. As of Nomad 1.0, this value // is only used as a fallback when the version of Consul does not yet support // dynamic envoy versions. FallbackImage = "envoyproxy/envoy:v1.11.2@sha256:a7769160c9c1a55bb8d07a3b71ce5d64f72b1f665f10d81aa1581bc3cf850d09" )
Variables ¶
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Functions ¶
Types ¶
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