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Run tekton containers as nonroot #2435

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10 changes: 9 additions & 1 deletion .ko.yaml
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Original file line number Diff line number Diff line change
@@ -1,4 +1,12 @@
defaultBaseImage: gcr.io/distroless/static:nonroot
baseImageOverrides:
# These base images run as root, which is needed for how they handle SSH credentials.
# They are produced from ./images/Dockerfile
github.com/tektoncd/pipeline/cmd/creds-init: gcr.io/tekton-nightly/github.com/tektoncd/pipeline/build-base:latest
github.com/tektoncd/pipeline/cmd/git-init: gcr.io/tekton-nightly/github.com/tektoncd/pipeline/build-base:latest
github.com/tektoncd/pipeline/cmd/entrypoint: busybox # image must have `cp` in $PATH

# GCS fetcher needs root due to workspace permissions
github.com/tektoncd/pipeline/vendor/github.com/GoogleCloudPlatform/cloud-builders/gcs-fetcher/cmd/gcs-fetcher: gcr.io/distroless/static:latest

# Our entrypoint image does not need root, it simply needs to be able to 'cp' the binary into a shared location.
github.com/tektoncd/pipeline/cmd/entrypoint: gcr.io/distroless/base:debug-nonroot
5 changes: 4 additions & 1 deletion config/controller.yaml
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Expand Up @@ -56,8 +56,11 @@ spec:

# These images are pulled from Dockerhub, by digest, as of April 15, 2020.
"-nop-image", "tianon/true@sha256:009cce421096698832595ce039aa13fa44327d96beedb84282a69d3dbcf5a81b",
"-shell-image", "busybox@sha256:a2490cec4484ee6c1068ba3a05f89934010c85242f736280b35343483b2264b6",
"-gsutil-image", "google/cloud-sdk@sha256:6e8676464c7581b2dc824956b112a61c95e4144642bec035e6db38e3384cae2e",

# The shell image must be root in order to create directories and copy files to PVCs.
# As of April 17, 2020
"-shell-image", "gcr.io/distroless/base:debug@sha256:dac57423f6d9210198e1ac25de9f6d48753196a112aa2deb22f54e984cfd462d",
]
volumeMounts:
- name: config-logging
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