git clone https://github.com/mhoshi-vm/tanzu-build-analysis
cd tanzu-build-analysis
git clone https://github.com/mhoshi-vm/tap-python-recipes
cd tap-python-recipes/py-simple
tanzu apps init
Execute the following
tanzu build config --build-plan-source-type=file --build-plan-source=../../level1/simple.yaml
tanzu build -o manifests/
Examine the outputs
mh013301@PJQ72XCV5C python-simple % tree manifests
manifests
└── apps.tanzu.vmware.com.ContainerApp
└── python-simple
└── plain
├── build
│ └── sbom
│ ├── build
│ │ ├── buildpacksio_lifecycle
│ │ │ ├── sbom.cdx.json
│ │ │ ├── sbom.spdx.json
│ │ │ └── sbom.syft.json
│ │ ├── paketo-buildpacks_pip
│ │ │ └── pip
│ │ │ ├── sbom.cdx.json
│ │ │ ├── sbom.spdx.json
│ │ │ └── sbom.syft.json
│ │ └── sbom.legacy.json
│ ├── cache
│ │ ├── paketo-buildpacks_cpython
│ │ │ └── cpython
│ │ │ ├── sbom.cdx.json
│ │ │ ├── sbom.spdx.json
│ │ │ └── sbom.syft.json
│ │ ├── paketo-buildpacks_pip
│ │ │ └── pip
│ │ │ ├── sbom.cdx.json
│ │ │ ├── sbom.spdx.json
│ │ │ └── sbom.syft.json
│ │ └── paketo-buildpacks_pip-install
│ │ └── packages
│ │ ├── sbom.cdx.json
│ │ ├── sbom.spdx.json
│ │ └── sbom.syft.json
│ └── launch
│ ├── buildpacksio_lifecycle
│ │ └── launcher
│ │ ├── sbom.cdx.json
│ │ ├── sbom.spdx.json
│ │ └── sbom.syft.json
│ ├── paketo-buildpacks_ca-certificates
│ │ └── helper
│ │ └── sbom.syft.json
│ ├── paketo-buildpacks_cpython
│ │ └── cpython
│ │ ├── sbom.cdx.json
│ │ ├── sbom.spdx.json
│ │ └── sbom.syft.json
│ ├── paketo-buildpacks_pip-install
│ │ └── packages
│ │ ├── sbom.cdx.json
│ │ ├── sbom.spdx.json
│ │ └── sbom.syft.json
│ └── sbom.legacy.json
├── output
│ ├── app-config
│ │ ├── deployment.yml
│ │ ├── poddisruptionbudget.yml
│ │ ├── secret-registry.yml
│ │ ├── service.yml
│ │ └── serviceaccount.yml
│ └── containerapp.yml
└── tanzu.yml
28 directories, 34 files
If multiple runtimes are defined can be switched via -r and specifying the name
Trying plain
tanzu build config --build-plan-source-type=file --build-plan-source=../../level2/simple.yaml
tanzu build -o manifests/ -r plain
Trying image
python-simple % tree manifests/apps.tanzu.vmware.com.ContainerApp/python-simple/plain/output
manifests/apps.tanzu.vmware.com.ContainerApp/python-simple/plain/output
├── app-config
│ ├── deployment.yml
│ ├── poddisruptionbudget.yml
│ ├── secret-registry.yml
│ ├── service.yml
│ └── serviceaccount.yml
└── containerapp.yml
tanzu build config --build-plan-source-type=file --build-plan-source=../../level2/simple.yaml
tanzu build -o manifests/ -r image
python-simple % tree manifests/apps.tanzu.vmware.com.ContainerApp/python-simple/image/output
manifests/apps.tanzu.vmware.com.ContainerApp/python-simple/image/output
├── containerapp.yml
└── image
1 directory, 2 files
tanzu build config --build-plan-source-type=file --build-plan-source=../../level3/simple.yaml
tanzu build -o manifests/
python-simple % tree manifests/apps.tanzu.vmware.com.ContainerApp/python-simple/default/output
manifests/apps.tanzu.vmware.com.ContainerApp/python-simple/default/output
├── app-config
│ ├── deployment.yml
│ ├── poddisruptionbudget.yml
│ ├── secret-registry.yml
│ ├── service.yml
│ └── serviceaccount.yml
└── containerapp.yml
Diff against runtime (plain) but no major diff other than meta info
python-simple % diff -r manifests/apps.tanzu.vmware.com.ContainerApp/python-simple/default/output manifests/apps.tanzu.vmware.com.ContainerApp/python-simple/plain/output
diff -r manifests/apps.tanzu.vmware.com.ContainerApp/python-simple/default/output/app-config/deployment.yml manifests/apps.tanzu.vmware.com.ContainerApp/python-simple/plain/output/app-config/deployment.yml
19c19
< containerapp.apps.tanzu.vmware.com/content-summary: git:8183b20 @ 2024-06-20T11:58:57Z
---
> containerapp.apps.tanzu.vmware.com/content-summary: git:8183b20 @ 2024-06-20T11:48:23Z
26c26
< - image: ttl.sh/tp-saas@sha256:c3a084c2cb11edcae5c1e7b99d8353c6a1ea616d76511e039b8a271e1744c9cd
---
> - image: ttl.sh/tp-saas@sha256:9d76e2315c8feb55e5bc6582aca4b7242810816467aec01ab41e309e138cedd9
diff -r manifests/apps.tanzu.vmware.com.ContainerApp/python-simple/default/output/containerapp.yml manifests/apps.tanzu.vmware.com.ContainerApp/python-simple/plain/output/containerapp.yml
10c10
< buildTimestamp: "2024-06-20T11:58:57Z"
---
> buildTimestamp: "2024-06-20T11:48:23Z"
13,15c13,15
< summary: git:8183b20 @ 2024-06-20T11:58:57Z
< version: 20240620.1158.57617
< image: ttl.sh/tp-saas@sha256:c3a084c2cb11edcae5c1e7b99d8353c6a1ea616d76511e039b8a271e1744c9cd
---
> summary: git:8183b20 @ 2024-06-20T11:48:23Z
> version: 20240620.1148.23660
> image: ttl.sh/tp-saas@sha256:9d76e2315c8feb55e5bc6582aca4b7242810816467aec01ab41e309e138cedd9
As of today postBuildSteps and runtimes have no difference but postBuildSteps cannot be controled where as runtimes can be controlled via -r
Named task as of today is hard coded in side of tanzu build plugin.
Only accessible from BC employees
Currently, to customize the output we can use containertasks
tanzu build config --build-plan-source-type=file --build-plan-source=../../level5/simple.yaml
tanzu build -o manifests/
During build we can see the some variables and the contents are accessible via the container task image
👌 Successfully built 'ttl.sh/tp-saas@sha256:ac0f312e5c96e717cdf7903f913538b7656e5c224ad73952f0f2eb425f7a55df'
🏃 Running post build
running step
latest: Pulling from library/alpine
Digest: sha256:77726ef6b57ddf65bb551896826ec38bc3e53f75cdde31354fbffb4f25238ebd
Status: Image is up to date for alpine:latest
HOSTNAME=fb730e202aef
SHLVL=1
HOME=/root
TANZU_BUILD_APP_RUNTIME=
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
TANZU_BUILD_TARGET=release
TANZU_BUILD_WORKSPACE_DIR=/workspace
PWD=/workspace
total 12
drwxr-x--- 3 root root 4096 Jun 20 12:00 build
drwxr-x--- 3 root root 4096 Jun 20 12:00 output
-rw-r--r-- 1 root root 106 Jun 20 12:00 tanzu.yml
📝 Wrote output to 'manifests/apps.tanzu.vmware.com.ContainerApp/python-simple/default/output'
tanzu build config --build-plan-source-type=file --build-plan-source=../../level6/simple.yaml
tanzu build -o manifests
The yaml can now be added to the output
python-simple % cat ./manifests/apps.tanzu.vmware.com.ContainerApp/python-simple/default/workspace/output/dummy.yaml
foo: bar