Gitcd - Git as a distributed key-value store.
- Git
- Docker
- Kind, a tool for running local Kubernetes clusters using Docker container "nodes"
- Kubectl, the Kubernetes command-line tool
- Caffeinate to keep the laptop from going to sleep during some long running steps below
# Clone the Git repo somewhere locally.
$ git clone https://github.com/trishanku-org/gitcd <somewhere>
# Move to the checked out repo.
$ cd <somewhere>
# Build the docker image.
$ make docker-build
docker build -t "asia-south1-docker.pkg.dev/trishanku/trishanku/gitcd:latest" .
[+] Building 63.3s (18/18) FINISHED# Print the help text.
$ DOCKER_RUN_OPTS="--rm --name gitcd" make docker-run
docker run --rm --name gitcd "asia-south1-docker.pkg.dev/trishanku/trishanku/gitcd:latest"
Gitcd - Git as a distributed key-value store.
Usage:
gitcd [command]
Available Commands:
completion Generate the autocompletion script for the specified shell
help Help about any command
init Init a Git repo for use as a backend.
pull Pull changes from remote into the backend.
serve Start GRPC service compatible with any ETCD client.
version Prints the version of Gitcd.
Flags:
--debug Enable debug logging
-h, --help help for gitcd
--verbosity int8 Logging verbosity
Use "gitcd [command] --help" for more information about a command.
# Print Gitcd version.
$ DOCKER_RUN_OPTS="--rm --name gitcd" RUN_ARGS=version make docker-run
docker run --rm --name gitcd "asia-south1-docker.pkg.dev/trishanku/trishanku/gitcd:latest" version
Gitcd: v0.0.1-dev$ RUN_ARGS=serve make docker-run
docker run -d --rm --tmpfs /tmp/trishanku/gitcd:rw,noexec,nosuid,size=65536k --name gitcd "asia-south1-docker.pkg.dev/trishanku/trishanku/gitcd:latest" serve
d203235df099c426324065636a1c0f62250d8816edc2b65792eb9f8bfdde28bb# Check ETCD endpoint status.
$ docker run --rm --entrypoint etcdctl --network=container:gitcd bitnami/etcd:3 --insecure-transport endpoint status -w table
{"level":"warn","ts":"2023-08-13T17:07:00.897Z","logger":"etcd-client","caller":"v3/retry_interceptor.go:62","msg":"retrying of unary invoker failed","target":"etcd-endpoints://0xc0001ca000/127.0.0.1:2379","attempt":0,"error":"rpc error: code = Unknown desc = reference 'refs/gitcd/metadata/main' not found"}
Failed to get the status of endpoint 127.0.0.1:2379 (rpc error: code = Unknown desc = reference 'refs/gitcd/metadata/main' not found)
+----------+----+---------+---------+-----------+------------+-----------+------------+--------------------+--------+
| ENDPOINT | ID | VERSION | DB SIZE | IS LEADER | IS LEARNER | RAFT TERM | RAFT INDEX | RAFT APPLIED INDEX | ERRORS |
+----------+----+---------+---------+-----------+------------+-----------+------------+--------------------+--------+
+----------+----+---------+---------+-----------+------------+-----------+------------+--------------------+--------+
# Insert a key and value to create a the main branch that is being used as the backend.
$ docker run --rm --entrypoint etcdctl --network=container:gitcd bitnami/etcd:3 --insecure-transport put /a a
OK
# Read all keys.
$ docker run --rm --entrypoint etcdctl --network=container:gitcd bitnami/etcd:3 --insecure-transport get --prefix /
/a
a
# Check endpoint status.
$ docker run --rm --entrypoint etcdctl --network=container:gitcd bitnami/etcd:3 --insecure-transport endpoint status -w table
+----------------+----+---------+---------+-----------+------------+-----------+------------+--------------------+--------+
| ENDPOINT | ID | VERSION | DB SIZE | IS LEADER | IS LEARNER | RAFT TERM | RAFT INDEX | RAFT APPLIED INDEX | ERRORS |
+----------------+----+---------+---------+-----------+------------+-----------+------------+--------------------+--------+
| 127.0.0.1:2379 | 0 | | 2.7 kB | true | false | 1 | 1 | 1 | |
+----------------+----+---------+---------+-----------+------------+-----------+------------+--------------------+--------+
# List ETCD members.
$ docker run -it --rm --entrypoint etcdctl --network=container:gitcd bitnami/etcd:3 --insecure-transport member list -w table
+----+---------+-----------+------------+------------------------+------------+
| ID | STATUS | NAME | PEER ADDRS | CLIENT ADDRS | IS LEARNER |
+----+---------+-----------+------------+------------------------+------------+
| 0 | started | trishanku | | http://127.0.0.1:2379/ | false |
+----+---------+-----------+------------+------------------------+------------+$ docker stop gitcd
gitcd# Create a volume to store the backend repo.
$ docker volume create gitcd-backend
gitcd-backend
# Serve as ETCD with the backend repo in the volume.
$ DOCKER_RUN_OPTS="-d --rm -v gitcd-backend:/tmp/trishanku/gitcd --name gitcd" RUN_ARGS=serve make docker-run
docker run -d --rm -v gitcd-backend:/tmp/trishanku/gitcd --name gitcd "asia-south1-docker.pkg.dev/trishanku/trishanku/gitcd:latest" serve
a78b32a816f39fdbc1f68c826208fd14dfedf6ef3b9016e22164f3f1249a75ab# Check if the backend repo has been initialized as an empty and bare Git repo neither any data nor any references.
$ docker run --rm -v gitcd-backend:/backend busybox ls -R /backend
/backend:
HEAD
config
description
hooks
info
objects
refs
/backend/hooks:
README.sample
/backend/info:
exclude
/backend/objects:
info
pack
/backend/objects/info:
/backend/objects/pack:
/backend/refs:
heads
tags
/backend/refs/heads:
/backend/refs/tags:
# Insert a key and value to create a the main branch that is being used as the backend.
$ docker run --rm --entrypoint etcdctl --network=container:gitcd bitnami/etcd:3 --insecure-transport put /1 1
OK
# Read all keys.
$ docker run --rm --entrypoint etcdctl --network=container:gitcd bitnami/etcd:3 --insecure-transport get --prefix / -w fields
"ClusterID" : 0
"MemberID" : 0
"Revision" : 1
"RaftTerm" : 1
"Key" : "/1"
"CreateRevision" : 1
"ModRevision" : 1
"Version" : 1
"Value" : "1"
"Lease" : 0
"More" : false
"Count" : 1
# Check that the main branch is now initialized with one commit.
$ docker run --rm -v gitcd-backend:/backend -w /backend bitnami/git:2 git log main
commit 778e86a08f99d94d8ae9cb7418f6ff4cc40ffbfb
Author: trishanku <trishanku@heaven.com>
Date: Sun Aug 13 17:10:06 2023 +0000
1
# Check the diff for the first commit.
$ docker run --rm -v gitcd-backend:/backend -w /backend bitnami/git:2 git show --pretty=raw main
commit 778e86a08f99d94d8ae9cb7418f6ff4cc40ffbfb
tree 3f258de18b33904bb291ad94cc7d60e4c197fd50
author trishanku <trishanku@heaven.com> 1691946606 +0000
committer trishanku <trishanku@heaven.com> 1691946606 +0000
1
diff --git a/1 b/1
new file mode 100644
index 0000000..56a6051
--- /dev/null
+++ b/1
@@ -0,0 +1 @@
+1
\ No newline at end of file
# Replace one key and put a new key in one transaction.
$ docker run -i --rm --entrypoint etcdctl --network=container:gitcd bitnami/etcd:3 --insecure-transport txn -w fields <<EOF
put --prev-kv /1 one
put --prev-kv /2 2
EOF
"ClusterID" : 0
"MemberID" : 0
"Revision" : 2
"RaftTerm" : 2
"Succeeded" : true
"ClusterID" : 0
"MemberID" : 0
"Revision" : 2
"RaftTerm" : 2
"PrevKey" : "/1"
"PrevCreateRevision" : 1
"PrevModRevision" : 1
"PrevVersion" : 1
"PrevValue" : "1"
"PrevLease" : 0
"ClusterID" : 0
"MemberID" : 0
"Revision" : 2
"RaftTerm" : 2
# Read all keys at the latest revision.
$ docker run --rm --entrypoint etcdctl --network=container:gitcd bitnami/etcd:3 --insecure-transport get --prefix /
/1
one
/2
2
# Check that the main branch is now advanced by a commit.
$ docker run --rm -v gitcd-backend:/backend -w /backend bitnami/git:2 git log main
commit d83e325a85344820d69b35683e7d7f5f55481477
Author: trishanku <trishanku@heaven.com>
Date: Sun Aug 13 17:11:07 2023 +0000
2
commit 778e86a08f99d94d8ae9cb7418f6ff4cc40ffbfb
Author: trishanku <trishanku@heaven.com>
Date: Sun Aug 13 17:10:06 2023 +0000
1
# Check the diff for the new commit.
$ docker run --rm -v gitcd-backend:/backend -w /backend bitnami/git:2 git show --pretty=raw main
commit d83e325a85344820d69b35683e7d7f5f55481477
tree 904b9644b5f7f0bc10a4d52850994bb58ac1591e
parent 778e86a08f99d94d8ae9cb7418f6ff4cc40ffbfb
author trishanku <trishanku@heaven.com> 1691946667 +0000
committer trishanku <trishanku@heaven.com> 1691946667 +0000
2
diff --git a/1 b/1
index 56a6051..43dd47e 100644
--- a/1
+++ b/1
@@ -1 +1 @@
-1
\ No newline at end of file
+one
\ No newline at end of file
diff --git a/2 b/2
new file mode 100644
index 0000000..d8263ee
--- /dev/null
+++ b/2
@@ -0,0 +1 @@
+2
\ No newline at end of file
# Read all keys at the previous revision.
$ docker run --rm --entrypoint etcdctl --network=container:gitcd bitnami/etcd:3 --insecure-transport get --rev=1 --prefix /
/1
1
# Delete one key and put a new key in one transaction.
$ docker run -i --rm --entrypoint etcdctl --network=container:gitcd bitnami/etcd:3 --insecure-transport txn -w fields <<EOF
value("/1") = "1"
del --prev-kv /2
put --prev-kv /3/3 33
EOF
"ClusterID" : 0
"MemberID" : 0
"Revision" : 3
"RaftTerm" : 3
"Succeeded" : false
"ClusterID" : 0
"MemberID" : 0
"Revision" : 3
"RaftTerm" : 3
"Deleted" : 1
"PrevKey" : "/2"
"PrevCreateRevision" : 2
"PrevModRevision" : 2
"PrevVersion" : 1
"PrevValue" : "2"
"PrevLease" : 0
"ClusterID" : 0
"MemberID" : 0
"Revision" : 3
"RaftTerm" : 3
# Read all keys at the latest revision.
$ docker run --rm --entrypoint etcdctl --network=container:gitcd bitnami/etcd:3 --insecure-transport get --prefix /
/1
one
/3/3
33
# Check that the main branch is now advanced by a commit.
$ docker run --rm -v gitcd-backend:/backend -w /backend bitnami/git:2 git log main
commit dab53285239d02c773f0c41e9f21856c8e029ecb
Author: trishanku <trishanku@heaven.com>
Date: Sun Aug 13 17:12:11 2023 +0000
3
commit d83e325a85344820d69b35683e7d7f5f55481477
Author: trishanku <trishanku@heaven.com>
Date: Sun Aug 13 17:11:07 2023 +0000
2
commit 778e86a08f99d94d8ae9cb7418f6ff4cc40ffbfb
Author: trishanku <trishanku@heaven.com>
Date: Sun Aug 13 17:10:06 2023 +0000
1
# Check the diff for the new commit.
$ docker run --rm -v gitcd-backend:/backend -w /backend bitnami/git:2 git show --pretty=raw main
commit dab53285239d02c773f0c41e9f21856c8e029ecb
tree be974b5190bf4ca3f70d8474e2b5bbcbfda5156b
parent d83e325a85344820d69b35683e7d7f5f55481477
author trishanku <trishanku@heaven.com> 1691946731 +0000
committer trishanku <trishanku@heaven.com> 1691946731 +0000
3
diff --git a/2 b/2
deleted file mode 100644
index d8263ee..0000000
--- a/2
+++ /dev/null
@@ -1 +0,0 @@
-2
\ No newline at end of file
diff --git a/3/3 b/3/3
new file mode 100644
index 0000000..dc7b54a
--- /dev/null
+++ b/3/3
@@ -0,0 +1 @@
+33
\ No newline at end of file
# Read all keys at the previous revision.
$ docker run --rm --entrypoint etcdctl --network=container:gitcd bitnami/etcd:3 --insecure-transport get --rev=2 --prefix /
/1
one
/2
2
# Read all keys at the first revision.
$ docker run --rm --entrypoint etcdctl --network=container:gitcd bitnami/etcd:3 --insecure-transport get --rev=1 --prefix /
/1
1# Stop the Gitcd container.
$ docker stop gitcd
gitcd
# Remove the volume backing the backend Git repo.
$ docker volume rm gitcd-backend
gitcd-backend# Create a volume to store the backend repo.
$ docker volume create gitcd-backend
gitcd-backend
# Clone a Git repo into the volume to prepare it to be served.
# NOTE: This might take a while.
$ docker run --rm -v gitcd-backend:/backend bitnami/git:2 git clone https://github.com/etcd-io/etcd /backend
Cloning into '/backend'...
# Check that the repo got cloned properly.
$ docker run --rm -v gitcd-backend:/backend -w /backend bitnami/git:2 git log main -n 2
commit 1edd8baf3c6024eceb8b0d45062f0cebf7be9bc5
Merge: baf7a34c3 b6d123d08
Author: Benjamin Wang <wachao@vmware.com>
Date: Fri Aug 11 07:59:34 2023 +0100
Merge pull request #16394 from jmhbnz/update-to-go-1.20
Migrate to golang 1.20
commit b6d123d08b56dfc16c657dcd59f6d1bca800a6f0
Author: James Blair <mail@jamesblair.net>
Date: Fri Aug 11 15:03:48 2023 +1200
Update to golang 1.20 minor release.
Signed-off-by: James Blair <mail@jamesblair.net>
# Init the ETCD metadata for the main branch to prepare it to be served.
# NOTE: This might take a while because the whole commit history of the main branch is traversed to generate the corresponding metadata.
$ DOCKER_RUN_OPTS="--rm -v gitcd-backend:/tmp/trishanku/gitcd --name gitcd" RUN_ARGS=init make docker-run
docker run --rm -v gitcd-backend:/tmp/trishanku/gitcd --name gitcd "asia-south1-docker.pkg.dev/trishanku/trishanku/gitcd:latest" init
{"level":"info","ts":1691946916.5496962,"logger":"init.refs/heads/main","caller":"cmd/init.go:84","msg":"Initializing","repoPath":"/tmp/trishanku/gitcd","options":{"Repo":{},"Errors":{},"DataRefName":"refs/heads/main","MetadataRefName":"refs/gitcd/metadata/main","StartRevision":1,"Version":"v0.0.1-dev","Force":false,"CommitterName":"trishanku","CommitterEmail":"trishanku@heaven.com"}}
{"level":"info","ts":1691947070.8866885,"logger":"init.refs/heads/main","caller":"cmd/init.go:91","msg":"Initialized successfully"}
# Check that the metadata has been prepared.
$ docker run --rm -v gitcd-backend:/backend -w /backend bitnami/git:2 git log refs/gitcd/metadata/main -n 2
commit 066644237e92774c186ff5f51ac77925f631997b
Merge: 0ee2c6df1 944317b30
Author: trishanku <trishanku@heaven.com>
Date: Sun Aug 13 17:17:50 2023 +0000
7919
commit 0ee2c6df17a57e4b2902bfa5f1b8313079c49e3d
Merge: 9067d7797 f6a3965e6
Author: trishanku <trishanku@heaven.com>
Date: Sun Aug 13 17:17:50 2023 +0000
7918
# Check that the main branch is unmodified.
$ docker run --rm -v gitcd-backend:/backend -w /backend bitnami/git:2 git log main -n 2
commit 1edd8baf3c6024eceb8b0d45062f0cebf7be9bc5
Merge: baf7a34c3 b6d123d08
Author: Benjamin Wang <wachao@vmware.com>
Date: Fri Aug 11 07:59:34 2023 +0100
Merge pull request #16394 from jmhbnz/update-to-go-1.20
Migrate to golang 1.20
commit b6d123d08b56dfc16c657dcd59f6d1bca800a6f0
Author: James Blair <mail@jamesblair.net>
Date: Fri Aug 11 15:03:48 2023 +1200
Update to golang 1.20 minor release.
Signed-off-by: James Blair <mail@jamesblair.net>
# Serve the prepared repo as ETCD.
$ DOCKER_RUN_OPTS="-d --rm -v gitcd-backend:/tmp/trishanku/gitcd --name gitcd" RUN_ARGS=serve make docker-run
docker run -d --rm -v gitcd-backend:/tmp/trishanku/gitcd --name gitcd "asia-south1-docker.pkg.dev/trishanku/trishanku/gitcd:latest" serve
d8069c3680c4e1480ef30bf1ae8f016e035f9cbb7ff105609198fbb752f8d45c# Check ETCD endpoint status.
$ docker run --rm --entrypoint etcdctl --network=container:gitcd bitnami/etcd:3 --insecure-transport endpoint status -w table
+----------------+----+------------+---------+-----------+------------+-----------+------------+--------------------+--------+
| ENDPOINT | ID | VERSION | DB SIZE | IS LEADER | IS LEARNER | RAFT TERM | RAFT INDEX | RAFT APPLIED INDEX | ERRORS |
+----------------+----+------------+---------+-----------+------------+-----------+------------+--------------------+--------+
| 127.0.0.1:2379 | 0 | v0.0.1-dev | 170 MB | true | false | 7919 | 7919 | 7919 | |
+----------------+----+------------+---------+-----------+------------+-----------+------------+--------------------+--------+
# List main.go keys.
$ docker run --rm --entrypoint etcdctl --network=container:gitcd bitnami/etcd:3 --insecure-transport get --keys-only --prefix / | grep main.go
/contrib/raftexample/main.go
/etcdctl/main.go
/etcdutl/main.go
/server/etcdmain/main.go
/server/main.go
/tools/benchmark/main.go
/tools/etcd-dump-db/main.go
/tools/etcd-dump-logs/main.go
/tools/etcd-dump-metrics/main.go
/tools/proto-annotations/main.go
# Read /etcdctl/main.go key.
$ docker run --rm --entrypoint etcdctl --network=container:gitcd bitnami/etcd:3 --insecure-transport get /etcdctl/main.go | tail -n 20
import (
"go.etcd.io/etcd/etcdctl/v3/ctlv3"
)
/*
*
mainWithError is fully analogous to main, but instead of signaling errors
by os.Exit, it exposes the error explicitly, such that test-logic can intercept
control to e.g. dump coverage data (even for test-for-failure scenarios).
*/
func mainWithError() error {
return ctlv3.Start()
}
func main() {
ctlv3.MustStart()
return
}
# Read metadata for /etcdctl/main.go key.
$ docker run --rm --entrypoint etcdctl --network=container:gitcd bitnami/etcd:3 --insecure-transport get /etcdctl/main.go -w fields | grep -e Key -e Revision -e Version | grep -v Value
"Revision" : 7919
"Key" : "/etcdctl/main.go"
"CreateRevision" : 818
"ModRevision" : 7226
"Version" : 38
# Check the difference between the current and previous versions of the value for /etcdctl/main.go key.
$ diff <( docker run --rm --entrypoint etcdctl --network=container:gitcd bitnami/etcd:3 --insecure-transport get /etcdctl/main.go ) <( docker run --rm --entrypoint etcdctl --network=container:gitcd bitnami/etcd:3 --insecure-transport get --rev=7225 /etcdctl/main.go )
23,24c23
< /*
< *
---
> /**# Stop the Gitcd container.
$ docker stop gitcd
gitcd
# Remove the volume backing the backend Git repo.
$ docker volume rm gitcd-backend
gitcd-backend# Start kube-apiserver and Gitcd containers.
$ make start-docker-gitcd-kube-apiserver
hack/kube/start.sh
+ start_gitcd
+ docker volume create gitcd-backend
gitcd-backend
+ echo 'git init -b main && git config user.email "trishanku@heaven.com" && git config user.name trishanku'
+ docker run -i --rm -v gitcd-backend:/backend -w /backend bitnami/git:2 sh
Initialized empty Git repository in /backend/.git/
+ echo 'touch init && git add init && git commit -m init'
+ docker run -i --rm -v gitcd-backend:/backend -w /backend bitnami/git:2 sh
[main (root-commit) d2c5b2e] init
1 file changed, 0 insertions(+), 0 deletions(-)
create mode 100644 init
+ docker run --rm -v gitcd-backend:/backend asia-south1-docker.pkg.dev/trishanku/trishanku/gitcd:latest init --repo=/backend
{"level":"info","ts":1692002025.9472187,"logger":"init.refs/heads/main","caller":"cmd/init.go:84","msg":"Initializing","repoPath":"/backend","options":{"Repo":{},"Errors":{},"DataRefName":"refs/heads/main","MetadataRefName":"refs/gitcd/metadata/main","StartRevision":1,"Version":"v0.0.1-dev","Force":false,"CommitterName":"trishanku","CommitterEmail":"trishanku@heaven.com"}}
{"level":"info","ts":1692002025.9550986,"logger":"init.refs/heads/main","caller":"cmd/init.go:91","msg":"Initialized successfully"}
+ docker run --name gitcd -d -v gitcd-backend:/backend asia-south1-docker.pkg.dev/trishanku/trishanku/gitcd:latest serve --repo=/backend --debug
a92ec60a5de48f628d0a89bc09272f7d4a636b62fd3254e4b9f6570ef590e8d1
+ docker run --rm --network=container:gitcd --entrypoint etcdctl bitnami/etcd:3 --insecure-transport endpoint status
127.0.0.1:2379, 0, v0.0.1-dev, 152 kB, true, false, 1, 1, 1,
+ prepare_certs
+ docker volume create kube-certs
kube-certs
+ docker run -i --rm -v kube-certs:/tls -w /tls busybox:1 dd of=tls.conf
0+1 records in
0+1 records out
482 bytes (482B) copied, 0.003055 seconds, 154.1KB/s
+ docker run --rm -v kube-certs:/tls -w /tls --entrypoint openssl nginx:1 req -newkey rsa:4096 -x509 -sha256 -days 365 -nodes -extensions v3_req -config tls.conf -out tls.crt -keyout tls.key
Generating a RSA private key
.....................................++++
........................................++++
writing new private key to 'tls.key'
-----
+ docker run --rm -v kube-certs:/tls -w /tls busybox:1 ln -s tls.crt ca.crt
+ start_kube_apiserver
+ docker run --name kube-apiserver -d -v kube-certs:/tls --network=container:gitcd --entrypoint kube-apiserver k8s.gcr.io/kube-apiserver:v1.24.4 --client-ca-file=/tls/ca.crt --etcd-compaction-interval=0 --etcd-servers=http://localhost:2379 --secure-port=6443 --service-account-issuer=https://kube-apiserver/ --service-account-key-file=/tls/tls.key --service-account-signing-key-file=/tls/tls.key --storage-media-type=application/yaml --tls-cert-file=/tls/tls.crt --tls-private-key-file=/tls/tls.key --watch-cache=false
Unable to find image 'k8s.gcr.io/kube-apiserver:v1.24.4' locally
v1.24.4: Pulling from kube-apiserver
Digest: sha256:74496d788bad4b343b2a2ead2b4ac8f4d0d99c45c451b51c076f22e52b84f1e5
Status: Downloaded newer image for k8s.gcr.io/kube-apiserver:v1.24.4
e6d158dfb184a5b803753c860d307d6c8e29b6639a5a1218f92486363931663e
# Check that kube-apiserver and Gitcd containers are running.
$ docker ps -n 2
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
e6d158dfb184 k8s.gcr.io/kube-apiserver:v1.24.4 "kube-apiserver --cl…" 1 second ago Up Less than a second kube-apiserver
a92ec60a5de4 asia-south1-docker.pkg.dev/trishanku/trishanku/gitcd:latest "/gitcd serve --repo…" 5 seconds ago Up 4 seconds gitcd
# Wait for kube-apiserver to initialize.
$ sleep 10
# Inspect the Kubernetes content in the backend Git repo.
$ echo "git reset --hard && git checkout refs/gitcd/metadata/refs/heads/main && git checkout main" | \
docker run -i --rm -v gitcd-backend:/backend -w /backend bitnami/git:2 sh
HEAD is now at 9aadc87 80
error: pathspec 'refs/gitcd/metadata/refs/heads/main' did not match any file(s) known to git
$ echo "apk update && apk add tree && tree /backend" | docker run -i --rm -v gitcd-backend:/backend alpine:3 sh
fetch https://dl-cdn.alpinelinux.org/alpine/v3.15/main/x86_64/APKINDEX.tar.gz
fetch https://dl-cdn.alpinelinux.org/alpine/v3.15/community/x86_64/APKINDEX.tar.gz
v3.15.10-11-g237beaf9c41 [https://dl-cdn.alpinelinux.org/alpine/v3.15/main]
v3.15.10-11-g237beaf9c41 [https://dl-cdn.alpinelinux.org/alpine/v3.15/community]
OK: 15866 distinct packages available
(1/1) Installing tree (1.8.0-r0)
Executing busybox-1.34.1-r3.trigger
OK: 6 MiB in 15 packages
/backend
├── init
└── registry
├── apiregistration.k8s.io
│ └── apiservices
│ ├── v1.
│ ├── v1.admissionregistration.k8s.io
│ ├── v1.apiextensions.k8s.io
│ ├── v1.apps
│ ├── v1.authentication.k8s.io
│ ├── v1.authorization.k8s.io
│ ├── v1.autoscaling
│ ├── v1.batch
│ ├── v1.certificates.k8s.io
│ ├── v1.coordination.k8s.io
│ ├── v1.discovery.k8s.io
│ ├── v1.events.k8s.io
│ ├── v1.networking.k8s.io
│ ├── v1.node.k8s.io
│ ├── v1.policy
│ ├── v1.rbac.authorization.k8s.io
│ ├── v1.scheduling.k8s.io
│ ├── v1.storage.k8s.io
│ ├── v1beta1.batch
│ ├── v1beta1.discovery.k8s.io
│ ├── v1beta1.events.k8s.io
│ ├── v1beta1.flowcontrol.apiserver.k8s.io
│ ├── v1beta1.node.k8s.io
│ ├── v1beta1.policy
│ ├── v1beta1.storage.k8s.io
│ ├── v1beta2.flowcontrol.apiserver.k8s.io
│ ├── v2.autoscaling
│ ├── v2beta1.autoscaling
│ └── v2beta2.autoscaling
├── configmaps
│ └── kube-system
│ └── extension-apiserver-authentication
├── endpointslices
│ └── default
│ └── kubernetes
├── flowschemas
│ ├── catch-all
│ ├── endpoint-controller
│ ├── exempt
│ ├── global-default
│ ├── kube-controller-manager
│ ├── kube-scheduler
│ ├── kube-system-service-accounts
│ ├── probes
│ ├── service-accounts
│ ├── system-leader-election
│ ├── system-node-high
│ ├── system-nodes
│ └── workload-leader-election
├── masterleases
│ └── 172.17.0.2
├── namespaces
│ ├── default
│ ├── kube-node-lease
│ ├── kube-public
│ └── kube-system
├── priorityclasses
│ ├── system-cluster-critical
│ └── system-node-critical
├── prioritylevelconfigurations
│ ├── catch-all
│ ├── exempt
│ ├── global-default
│ ├── leader-election
│ ├── node-high
│ ├── system
│ ├── workload-high
│ └── workload-low
├── ranges
│ ├── serviceips
│ └── servicenodeports
└── services
├── endpoints
│ └── default
│ └── kubernetes
└── specs
└── default
└── kubernetes
18 directories, 64 files
$ docker run --rm -v gitcd-backend:/backend busybox:1 cat /backend/registry/namespaces/kube-system
apiVersion: v1
kind: Namespace
metadata:
creationTimestamp: "2023-08-14T08:33:54Z"
labels:
kubernetes.io/metadata.name: kube-system
managedFields:
- apiVersion: v1
fieldsType: FieldsV1
fieldsV1:
f:metadata:
f:labels:
.: {}
f:kubernetes.io/metadata.name: {}
manager: kube-apiserver
operation: Update
time: "2023-08-14T08:33:54Z"
name: kube-system
uid: f0311d5f-eafb-4dad-b3ca-afbc0832d780
spec:
finalizers:
- kubernetes
status:
phase: Active# Stop kube-apiserver and Gitcd containers.
$ make stop-docker-gitcd-kube-apiserver
hack/kube/stop.sh
+ docker stop gitcd kube-apiserver
gitcd
kube-apiserver
# Clean up kube-apiserver and Gitcd container and volumes.
$ make cleanup-docker-gitcd-kube-apiserver
hack/kube/cleanup.sh
+ docker stop kube-apiserver
kube-apiserver
+ docker rm kube-apiserver
kube-apiserver
+ docker stop gitcd
gitcd
+ docker rm gitcd
gitcd
+ docker volume rm kube-certs gitcd-backend
kube-certs
gitcd-backend