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remove k3d

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ansgarz 2024-02-16 10:37:57 +01:00
parent 02ce6336a2
commit eccf61b3d6
3 changed files with 2 additions and 166 deletions
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39
src/main/kotlin/org/domaindrivenarchitecture/provs/server/infrastructure/K3d.kt
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@ -1,39 +0,0 @@
package org.domaindrivenarchitecture.provs.server.domain
import org.domaindrivenarchitecture.provs.framework.core.Prov
import org.domaindrivenarchitecture.provs.framework.core.docker.provideContainer
import org.domaindrivenarchitecture.provs.framework.core.echoCommandForTextWithNewlinesReplaced
import org.domaindrivenarchitecture.provs.framework.core.repeatTaskUntilSuccess
/**
* Runs a k3s server and a k3s agent as containers.
* Copies the kubeconfig from container to the default location: $HOME/.kube/config
*/
fun Prov.installK3sAsContainers(token: String = "12345678901234") = task {
cmd("docker volume create k3s-server")
provideContainer("k3s-server", "rancher/k3s", command = "server --cluster-init", options =
"-d --privileged --tmpfs /run --tmpfs /var/run " +
"-e K3S_TOKEN=$token -e K3S_KUBECONFIG_OUTPUT=./kubeconfig.yaml -e K3S_KUBECONFIG_MODE=666 " +
"-v k3s-server:/var/lib/rancher/k3s:z -p 6443:6443 -p 80:80 -p 443:443 " +
"--ulimit nproc=65535 --ulimit nofile=65535:65535")
// wait for config file
cmd("export timeout=60; while [ ! -f /var/lib/docker/volumes/k3s-server/_data/server/kubeconfig.yaml ]; do if [ \"${'$'}timeout\" == 0 ]; then echo \"ERROR: Timeout while waiting for file.\"; break; fi; sleep 1; ((timeout--)); done")
sh("""
mkdir -p ${'$'}HOME/.kube/
cp /var/lib/docker/volumes/k3s-server/_data/server/kubeconfig.yaml ${'$'}HOME/.kube/config
""".trimIndent())
}
/**
* Apply a config to kubernetes.
* Prerequisite: Kubectl has to be installed
*/
fun Prov.applyK8sConfig(configAsYaml: String, kubectlCommand: String = "kubectl") = task {
repeatTaskUntilSuccess(6, 10) {
cmd(echoCommandForTextWithNewlinesReplaced(configAsYaml) + " | $kubectlCommand apply -f -")
}
}

3
src/main/kotlin/org/domaindrivenarchitecture/provs/server/infrastructure/K3s.kt
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@ -10,7 +10,8 @@ import java.io.File
// ----------------------------------- versions --------------------------------
// when updating it is recommended to update also file k3s-install.sh in this repo (under: src/main/resources/org/domaindrivenarchitecture/provs/server/infrastructure/k3s/k3s-install.sh)
// when updating this version, it is recommended to update also file k3s-install.sh in this repo
// (under: src/main/resources/org/domaindrivenarchitecture/provs/server/infrastructure/k3s/k3s-install.sh)
const val K3S_VERSION = "v1.29.1+k3s2"
// ----------------------------------- directories --------------------------------

126
src/test/kotlin/org/domaindrivenarchitecture/provs/server/infrastructure/K3dKtTest.kt
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@ -1,126 +0,0 @@
package org.domaindrivenarchitecture.provs.server.infrastructure
import org.domaindrivenarchitecture.provs.framework.core.*
import org.domaindrivenarchitecture.provs.framework.core.docker.containerExec
import org.domaindrivenarchitecture.provs.framework.core.docker.provideContainer
import org.domaindrivenarchitecture.provs.framework.core.processors.ContainerStartMode
import org.domaindrivenarchitecture.provs.server.domain.applyK8sConfig
import org.domaindrivenarchitecture.provs.server.domain.installK3sAsContainers
import org.domaindrivenarchitecture.provs.test.tags.ContainerTest
import org.domaindrivenarchitecture.provs.test.tags.NonCi
import org.junit.jupiter.api.Assertions.assertTrue
import org.junit.jupiter.api.Disabled
internal class K3dKtTest {
@Disabled // remove line and execute manually as this test may take several minutes
@ContainerTest
@NonCi
fun installK3sAsContainers() {
// given
val containerName = "alpine-docker-dind"
local().task {
provideContainer(
containerName,
"yobasystems/alpine-docker:dind-amd64",
ContainerStartMode.CREATE_NEW_KILL_EXISTING, // for re-create a potentially existing container
sudo = false,
options = "--privileged"
)
// alpine does not have bash pre-installed - but bash is currently required for provs
containerExec(containerName, "sh -c \"apk add bash\"", sudo = false)
}
val result = docker(containerName, sudo = false).task {
cmd("apk update")
cmd("apk add sudo curl")
task(
"Install kubectl"
) {
sh("""
curl -LO https://storage.googleapis.com/kubernetes-release/release/v1.18.0/bin/linux/amd64/kubectl
chmod +x ./kubectl
mv ./kubectl /usr/local/bin/kubectl
kubectl version --client
""".trimIndent())
}
// when
installK3sAsContainers()
applyK8sConfig(appleConfig())
cmd("kubectl wait --for=condition=ready --timeout=600s pod apple-app")
checkAppleService()
}
// then
assertTrue(result.success)
}
}
/**
* Checks if URL "$host/apple" is available and return text "apple"
*/
private fun Prov.checkAppleService(host: String = "127.0.0.1") = requireLast {
// repeat required as curl may return with "empty reply from server" or with "Recv failure: Connection reset by peer"
val res = repeatTaskUntilSuccess(12, 10) {
cmd("curl -m 30 $host/apple")
}.out?.trim()
if ("apple" == res) {
ProvResult(true, out = res)
} else {
ProvResult(false, err = "Url $host/apple did not return text \"apple\" but returned: $res")
}
}
fun appleConfig() =
"""
kind: Ingress
apiVersion: networking.k8s.io/v1
metadata:
name: apple-ingress
annotations:
kubernetes.io/ingress.class: "traefik"
spec:
rules:
- http:
paths:
- path: /apple
pathType: Prefix
backend:
service:
name: apple-service
port:
number: 5678
---
kind: Pod
apiVersion: v1
metadata:
name: apple-app
labels:
app: apple
spec:
containers:
- name: apple-app
image: hashicorp/http-echo
args:
- "-text=apple"
---
kind: Service
apiVersion: v1
metadata:
name: apple-service
spec:
selector:
app: apple
ports:
- port: 5678 # Default port for image
"""