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test images: Centralizes images into agnhost (part 1)
Centralizes the following images into agnhost: - fakegitserver - hostexec - liveness - logs-generator - no-snat-test - no-snat-test-proxy - port-forward-tester
This commit is contained in:
Claudiu Belu
parent
99e2646067
commit
76550ea8b8
@ -17,17 +17,11 @@ filegroup(
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"//test/images/crd-conversion-webhook:all-srcs",
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"//test/images/echoserver:all-srcs",
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"//test/images/entrypoint-tester:all-srcs",
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"//test/images/fakegitserver:all-srcs",
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"//test/images/inclusterclient:all-srcs",
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"//test/images/liveness:all-srcs",
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"//test/images/logs-generator:all-srcs",
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"//test/images/metadata-concealment:all-srcs",
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"//test/images/mounttest:all-srcs",
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"//test/images/no-snat-test:all-srcs",
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"//test/images/no-snat-test-proxy:all-srcs",
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"//test/images/nonewprivs:all-srcs",
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"//test/images/pets/peer-finder:all-srcs",
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"//test/images/port-forward-tester:all-srcs",
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"//test/images/porter:all-srcs",
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"//test/images/regression-issue-74839:all-srcs",
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"//test/images/resource-consumer:all-srcs",
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@ -17,10 +17,16 @@ go_library(
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importpath = "k8s.io/kubernetes/test/images/agnhost",
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deps = [
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"//test/images/agnhost/dns:go_default_library",
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"//test/images/agnhost/fakegitserver:go_default_library",
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"//test/images/agnhost/liveness:go_default_library",
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"//test/images/agnhost/logs-generator:go_default_library",
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"//test/images/agnhost/net:go_default_library",
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"//test/images/agnhost/netexec:go_default_library",
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"//test/images/agnhost/nettest:go_default_library",
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"//test/images/agnhost/no-snat-test:go_default_library",
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"//test/images/agnhost/no-snat-test-proxy:go_default_library",
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"//test/images/agnhost/pause:go_default_library",
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"//test/images/agnhost/port-forward-tester:go_default_library",
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"//test/images/agnhost/webhook:go_default_library",
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"//vendor/github.com/spf13/cobra:go_default_library",
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"//vendor/k8s.io/klog:go_default_library",
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@ -39,10 +45,16 @@ filegroup(
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srcs = [
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":package-srcs",
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"//test/images/agnhost/dns:all-srcs",
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"//test/images/agnhost/fakegitserver:all-srcs",
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"//test/images/agnhost/liveness:all-srcs",
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"//test/images/agnhost/logs-generator:all-srcs",
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"//test/images/agnhost/net:all-srcs",
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"//test/images/agnhost/netexec:all-srcs",
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"//test/images/agnhost/nettest:all-srcs",
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"//test/images/agnhost/no-snat-test:all-srcs",
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"//test/images/agnhost/no-snat-test-proxy:all-srcs",
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"//test/images/agnhost/pause:all-srcs",
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"//test/images/agnhost/port-forward-tester:all-srcs",
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"//test/images/agnhost/webhook:all-srcs",
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],
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tags = ["automanaged"],
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@ -22,6 +22,10 @@ CROSS_BUILD_COPY qemu-QEMUARCH-static /usr/bin/
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# - iproute2: includes ss used in NodePort tests
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RUN apk --update add curl netcat-openbsd iproute2 && rm -rf /var/cache/apk/*
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# from logs-generator
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ENV LOGS_GENERATOR_LINES_TOTAL 1
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ENV LOGS_GENERATOR_DURATION 1s
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# PORT 8080 needed by: netexec, nettest
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# PORT 8081 needed by: netexec
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EXPOSE 8080 8081
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@ -31,3 +35,4 @@ RUN mkdir /uploads
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ADD agnhost agnhost
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ENTRYPOINT ["/agnhost"]
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CMD ["pause"]
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@ -17,18 +17,8 @@ cases for the same tested behaviour.
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## Usage
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The `agnhost` binary is a CLI with the following subcommands:
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- `dns-suffix`: It will output the host's configured DNS suffix list, separated by commas.
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- `dns-server-list`: It will output the host's configured DNS servers, separated by commas.
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- `etc-hosts`: It will output the contents of host's `hosts` file. This file's location
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is `/etc/hosts` on Linux, while on Windows it is `C:/Windows/System32/drivers/etc/hosts`.
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- `pause`: It will pause the execution of the binary. This can be used for containers
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which have to be kept in a `Running` state for various purposes, including executing
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other `agnhost` commands.
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- `help`: Prints the binary's help menu. Additionally, it can be followed by another
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subcommand in order to get more information about that subcommand, including its
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possible arguments.
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The `agnhost` binary has several subcommands which are can be used to test different
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Kubernetes features; their behaviour and output is not affected by the underlying OS.
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For example, let's consider the following `pod.yaml` file:
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@ -74,6 +64,123 @@ created with the `pause` argument instead, allowing us execute multiple commands
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The `agnhost` binary is a CLI with the following subcommands:
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### dns-server-list
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It will output the host's configured DNS servers, separated by commas.
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Usage:
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```console
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kubectl exec test-agnhost -- /agnhost dns-server-list
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```
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### dns-suffix
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It will output the host's configured DNS suffix list, separated by commas.
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Usage:
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```console
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kubectl exec test-agnhost -- /agnhost dns-suffix
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```
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### etc-hosts
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It will output the contents of host's `hosts` file. This file's location is `/etc/hosts`
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on Linux, while on Windows it is `C:/Windows/System32/drivers/etc/hosts`.
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Usage:
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```console
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kubectl exec test-agnhost -- /agnhost etc-hosts
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```
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### fake-gitserver
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Fakes a git server. When doing `git clone localhost:8000`, you will clone an empty git
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repo named `8000` on local. You can also use `git clone localhost:8000 my-repo-name` to
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rename that repo.
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Usage:
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```console
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kubectl exec test-agnhost -- /agnhost fake-gitserver
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```
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### help
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Prints the binary's help menu. Additionally, it can be followed by another subcommand
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in order to get more information about that subcommand, including its possible arguments.
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Usage:
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```console
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kubectl exec test-agnhost -- /agnhost help
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```
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### liveness
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Starts a simple server that is alive for 10 seconds, then reports unhealthy for the rest
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of its (hopefully) short existence.
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Usage:
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```console
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kubectl exec test-agnhost -- /agnhost liveness
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```
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### logs-generator
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The `logs-generator` subcommand is a tool to create predictable load on the logs delivery system.
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It generates random lines with predictable format and predictable average length.
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Each line can be later uniquely identified to ensure logs delivery.
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Tool is parametrized with the total number of number that should be generated and the duration of
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the generation process. For example, if you want to create a throughput of 100 lines per second
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for a minute, you set total number of lines to 6000 and duration to 1 minute.
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Parameters are passed through environment variables. There are no defaults, you should always
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set up container parameters. Total number of line is parametrized through env variable
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`LOGS_GENERATOR_LINES_TOTAL` and duration in go format is parametrized through env variable
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`LOGS_GENERATOR_DURATION`.
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Inside the container all log lines are written to the stdout.
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Each line is on average 100 bytes long and follows this pattern:
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```
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2000-12-31T12:59:59Z <id> <method> /api/v1/namespaces/<namespace>/endpoints/<random_string> <random_number>
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```
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Where `<id>` refers to the number from 0 to `total_lines - 1`, which is unique for each
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line in a given run of the container.
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Examples:
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```console
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docker run -i \
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gcr.io/kubernetes-e2e-test-images/agnhost:1.1 \
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logs-generator --log-lines-total 10 --run-duration 1
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```
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```console
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kubectl run logs-generator \
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--generator=run-pod/v1 \
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--image=gcr.io/kubernetes-e2e-test-images/agnhost:1.1 \
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--restart=Never \
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-- logs-generator -t 10 -d 1
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```
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[]()
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### net
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The goal of this Go project is to consolidate all low-level
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@ -173,6 +280,93 @@ Usage:
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kubectl exec test-agnhost -- /agnhost nettest [--port <port>] [--peers <peers>] [--service <service>] [--namespace <namespace>] [--delay-shutdown <delay>]
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```
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### no-snat-test
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The subcommand requires the following environment variables to be set, and they should be
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valid IP addresses:
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- `POD_IP`
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- `NODE_IP`
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Serves the following endpoints on the given port (defaults to `8080`).
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- `/whoami` - returns the request's IP address.
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- `/checknosnat` - queries `ip/whoami` for each provided IP (`/checknosnat?ips=ip1,ip2`),
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and if all the response bodies match the `POD_IP`, it will return a 200 response, 500 otherwise.
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Usage:
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```console
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kubectl run test-agnhost \
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--generator=run-pod/v1 \
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--image=gcr.io/kubernetes-e2e-test-images/agnhost:1.1 \
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--restart=Never \
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--env "POD_IP=<POD_IP>" \
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--env "NODE_IP=<NODE_IP>" \
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-- no-snat-test [--port <port>]
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```
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### no-snat-test-proxy
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Serves the `/checknosnat` endpoint on the given port (defaults to `31235`). The endpoint
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proxies the request to the given `target` (`/checknosnat?target=target_ip&ips=ip1,ip2`
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-> `target_ip/checknosnat?ips=ip1,ip2`) and will return the same status as the status
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as the proxied request, or 500 on error.
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Usage:
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```console
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kubectl exec test-agnhost -- /agnhost no-snat-test-proxy [--port <port>]
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```
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### pause
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It will pause the execution of the binary. This can be used for containers
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which have to be kept in a `Running` state for various purposes, including
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executing other `agnhost` commands.
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Usage:
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```console
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kubectl exec test-agnhost -- /agnhost pause
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```
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### port-forward-tester
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Listens for TCP connections on a given address and port, optionally checks the data received,
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and sends a configurable number of data chunks, with a configurable interval between chunks.
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The subcommand is using the following environment variables:
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- `BIND_ADDRESS` (optional): The address on which it will start listening for TCP connections (default value: `localhost`)
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- `BIND_PORT`: The port on which it will start listening for TCP connections.
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- `EXPECTED_CLIENT_DATA` (optional): If set, it will check that the request sends the same exact data.
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- `CHUNKS`: How many chunks of data to write in the response.
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- `CHUNK_SIZE`: The expected size of each written chunk of data. If it does not match the actual size of the written data, it will exit with the exit code `4`.
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- `CHUNK_INTERVAL`: The amount of time to wait in between chunks.
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Usage:
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```console
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kubectl run test-agnhost \
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--generator=run-pod/v1 \
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--image=gcr.io/kubernetes-e2e-test-images/agnhost:1.1 \
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--restart=Never \
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--env "BIND_ADDRESS=localhost" \
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--env "BIND_PORT=8080" \
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--env "EXPECTED_CLIENT_DATA='Hello there!'" \
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--env "CHUNKS=1" \
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--env "CHUNK_SIZE=10" \
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--env "CHUNK_INTERVAL=1" \
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-- port-forward-tester
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```
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### webhook (Kubernetes External Admission Webhook)
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The subcommand tests MutatingAdmissionWebhook and ValidatingAdmissionWebhook. After deploying
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@ -191,6 +385,6 @@ Usage:
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## Image
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The image can be found at `gcr.io/kubernetes-e2e-test-images/agnhost:2.1` for Linux
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containers, and `e2eteam/agnhost:2.1` for Windows containers. In the future, the same
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The image can be found at `gcr.io/kubernetes-e2e-test-images/agnhost:1.1` for Linux
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containers, and `e2eteam/agnhost:1.1` for Windows containers. In the future, the same
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repository can be used for both OSes.
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@ -23,10 +23,16 @@ import (
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"k8s.io/klog"
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"k8s.io/kubernetes/test/images/agnhost/dns"
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"k8s.io/kubernetes/test/images/agnhost/fakegitserver"
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"k8s.io/kubernetes/test/images/agnhost/liveness"
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"k8s.io/kubernetes/test/images/agnhost/logs-generator"
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"k8s.io/kubernetes/test/images/agnhost/net"
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"k8s.io/kubernetes/test/images/agnhost/netexec"
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"k8s.io/kubernetes/test/images/agnhost/nettest"
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"k8s.io/kubernetes/test/images/agnhost/no-snat-test"
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"k8s.io/kubernetes/test/images/agnhost/no-snat-test-proxy"
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"k8s.io/kubernetes/test/images/agnhost/pause"
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"k8s.io/kubernetes/test/images/agnhost/port-forward-tester"
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"k8s.io/kubernetes/test/images/agnhost/webhook"
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)
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@ -35,10 +41,16 @@ func main() {
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rootCmd.AddCommand(dns.CmdDNSSuffix)
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rootCmd.AddCommand(dns.CmdDNSServerList)
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rootCmd.AddCommand(dns.CmdEtcHosts)
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rootCmd.AddCommand(fakegitserver.CmdFakeGitServer)
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rootCmd.AddCommand(liveness.CmdLiveness)
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rootCmd.AddCommand(logsgen.CmdLogsGenerator)
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rootCmd.AddCommand(net.CmdNet)
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rootCmd.AddCommand(netexec.CmdNetexec)
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rootCmd.AddCommand(nettest.CmdNettest)
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rootCmd.AddCommand(nosnat.CmdNoSnatTest)
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rootCmd.AddCommand(nosnatproxy.CmdNoSnatTestProxy)
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rootCmd.AddCommand(pause.CmdPause)
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rootCmd.AddCommand(portforwardtester.CmdPortForwardTester)
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rootCmd.AddCommand(webhook.CmdWebhook)
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// NOTE(claudiub): Some tests are passing logging related flags, so we need to be able to
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@ -2,19 +2,14 @@ package(default_visibility = ["//visibility:public"])
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load(
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"@io_bazel_rules_go//go:def.bzl",
|
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"go_binary",
|
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"go_library",
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)
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go_binary(
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name = "fakegitserver",
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embed = [":go_default_library"],
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)
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go_library(
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name = "go_default_library",
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srcs = ["gitserver.go"],
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importpath = "k8s.io/kubernetes/test/images/fakegitserver",
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importpath = "k8s.io/kubernetes/test/images/agnhost/fakegitserver",
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deps = ["//vendor/github.com/spf13/cobra:go_default_library"],
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)
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filegroup(
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@ -14,13 +14,25 @@ See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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package fakegitserver
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import (
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"io"
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"net/http"
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"github.com/spf13/cobra"
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)
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// CmdFakeGitServer is used by agnhost Cobra.
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var CmdFakeGitServer = &cobra.Command{
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Use: "fake-gitserver",
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Short: "Fakes a git server",
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Long: `When doing "git clone localhost:8000", you will clone an empty git repo named "8000" on local.
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You can also use "git clone localhost:8000 my-repo-name" to rename that repo.`,
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Args: cobra.MaximumNArgs(0),
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Run: main,
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}
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func hello(w http.ResponseWriter, r *http.Request) {
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io.WriteString(w, "I am a fake git server")
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@ -28,7 +40,7 @@ func hello(w http.ResponseWriter, r *http.Request) {
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// When doing `git clone localhost:8000`, you will clone an empty git repo named "8000" on local.
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// You can also use `git clone localhost:8000 my-repo-name` to rename that repo.
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func main() {
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func main(cmd *cobra.Command, args []string) {
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http.HandleFunc("/", hello)
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http.ListenAndServe(":8000", nil)
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}
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@ -2,19 +2,16 @@ package(default_visibility = ["//visibility:public"])
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|
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load(
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"@io_bazel_rules_go//go:def.bzl",
|
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"go_binary",
|
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"go_library",
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)
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go_binary(
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name = "liveness",
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embed = [":go_default_library"],
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)
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go_library(
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name = "go_default_library",
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srcs = ["server.go"],
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importpath = "k8s.io/kubernetes/test/images/liveness",
|
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importpath = "k8s.io/kubernetes/test/images/agnhost/liveness",
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deps = [
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"//vendor/github.com/spf13/cobra:go_default_library",
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],
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)
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filegroup(
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@ -16,7 +16,8 @@ limitations under the License.
|
||||
|
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// A simple server that is alive for 10 seconds, then reports unhealthy for
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// the rest of its (hopefully) short existence.
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package main
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|
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package liveness
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|
||||
import (
|
||||
"fmt"
|
||||
@ -24,9 +25,20 @@ import (
|
||||
"net/http"
|
||||
"net/url"
|
||||
"time"
|
||||
|
||||
"github.com/spf13/cobra"
|
||||
)
|
||||
|
||||
func main() {
|
||||
// CmdLiveness is used by agnhost Cobra.
|
||||
var CmdLiveness = &cobra.Command{
|
||||
Use: "liveness",
|
||||
Short: "Starts a server that is alive for 10 seconds",
|
||||
Long: "A simple server that is alive for 10 seconds, then reports unhealthy for the rest of its (hopefully) short existence",
|
||||
Args: cobra.MaximumNArgs(0),
|
||||
Run: main,
|
||||
}
|
||||
|
||||
func main(cmd *cobra.Command, args []string) {
|
||||
started := time.Now()
|
||||
http.HandleFunc("/started", func(w http.ResponseWriter, r *http.Request) {
|
||||
w.WriteHeader(200)
|
||||
@ -2,21 +2,16 @@ package(default_visibility = ["//visibility:public"])
|
||||
|
||||
load(
|
||||
"@io_bazel_rules_go//go:def.bzl",
|
||||
"go_binary",
|
||||
"go_library",
|
||||
)
|
||||
|
||||
go_binary(
|
||||
name = "logs-generator",
|
||||
embed = [":go_default_library"],
|
||||
)
|
||||
|
||||
go_library(
|
||||
name = "go_default_library",
|
||||
srcs = ["logs_generator.go"],
|
||||
importpath = "k8s.io/kubernetes/test/images/logs-generator",
|
||||
importpath = "k8s.io/kubernetes/test/images/agnhost/logs-generator",
|
||||
deps = [
|
||||
"//staging/src/k8s.io/apimachinery/pkg/util/rand:go_default_library",
|
||||
"//vendor/github.com/spf13/cobra:go_default_library",
|
||||
"//vendor/k8s.io/klog:go_default_library",
|
||||
],
|
||||
)
|
||||
@ -14,13 +14,14 @@ See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package main
|
||||
package logsgen
|
||||
|
||||
import (
|
||||
"flag"
|
||||
"fmt"
|
||||
"time"
|
||||
|
||||
"github.com/spf13/cobra"
|
||||
|
||||
"k8s.io/apimachinery/pkg/util/rand"
|
||||
"k8s.io/klog"
|
||||
)
|
||||
@ -38,27 +39,35 @@ var (
|
||||
}
|
||||
)
|
||||
|
||||
// CmdLogsGenerator is used by agnhost Cobra.
|
||||
var CmdLogsGenerator = &cobra.Command{
|
||||
Use: "logs-generator",
|
||||
Short: "Outputs lines of logs to stdout uniformly",
|
||||
Long: "Outputs <linesTotal> lines of logs to stdout uniformly for <duration>",
|
||||
Args: cobra.MaximumNArgs(2),
|
||||
Run: generateLogs,
|
||||
}
|
||||
|
||||
var (
|
||||
linesTotal = flag.Int("log-lines-total", 0, "Total lines that should be generated by the end of the run")
|
||||
duration = flag.Duration("run-duration", 0, "Total duration of the run")
|
||||
linesTotal int
|
||||
duration time.Duration
|
||||
)
|
||||
|
||||
func main() {
|
||||
flag.Parse()
|
||||
|
||||
if *linesTotal <= 0 {
|
||||
klog.Fatalf("Invalid total number of lines: %d", *linesTotal)
|
||||
}
|
||||
|
||||
if *duration <= 0 {
|
||||
klog.Fatalf("Invalid duration: %v", *duration)
|
||||
}
|
||||
|
||||
generateLogs(*linesTotal, *duration)
|
||||
func init() {
|
||||
CmdLogsGenerator.Flags().IntVarP(&linesTotal, "log-lines-total", "t", 0, "Total lines that should be generated by the end of the run")
|
||||
CmdLogsGenerator.Flags().DurationVarP(&duration, "run-duration", "d", 0, "Total duration of the run")
|
||||
}
|
||||
|
||||
// Outputs linesTotal lines of logs to stdout uniformly for duration
|
||||
func generateLogs(linesTotal int, duration time.Duration) {
|
||||
func generateLogs(cmd *cobra.Command, args []string) {
|
||||
if linesTotal <= 0 {
|
||||
klog.Fatalf("Invalid total number of lines: %d", linesTotal)
|
||||
}
|
||||
|
||||
if duration <= 0 {
|
||||
klog.Fatalf("Invalid duration: %v", duration)
|
||||
}
|
||||
|
||||
delay := duration / time.Duration(linesTotal)
|
||||
|
||||
ticker := time.NewTicker(delay)
|
||||
@ -2,23 +2,16 @@ package(default_visibility = ["//visibility:public"])
|
||||
|
||||
load(
|
||||
"@io_bazel_rules_go//go:def.bzl",
|
||||
"go_binary",
|
||||
"go_library",
|
||||
)
|
||||
|
||||
go_binary(
|
||||
name = "no-snat-test",
|
||||
embed = [":go_default_library"],
|
||||
)
|
||||
|
||||
go_library(
|
||||
name = "go_default_library",
|
||||
srcs = ["main.go"],
|
||||
importpath = "k8s.io/kubernetes/test/images/no-snat-test",
|
||||
importpath = "k8s.io/kubernetes/test/images/agnhost/no-snat-test-proxy",
|
||||
deps = [
|
||||
"//staging/src/k8s.io/component-base/cli/flag:go_default_library",
|
||||
"//staging/src/k8s.io/component-base/logs:go_default_library",
|
||||
"//vendor/github.com/spf13/pflag:go_default_library",
|
||||
"//vendor/github.com/spf13/cobra:go_default_library",
|
||||
],
|
||||
)
|
||||
|
||||
@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package main
|
||||
package nosnatproxy
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
@ -22,32 +22,36 @@ import (
|
||||
"net/http"
|
||||
"os"
|
||||
|
||||
"github.com/spf13/pflag"
|
||||
cliflag "k8s.io/component-base/cli/flag"
|
||||
"github.com/spf13/cobra"
|
||||
"k8s.io/component-base/logs"
|
||||
)
|
||||
|
||||
// CmdNoSnatTestProxy is used by agnhost Cobra.
|
||||
var CmdNoSnatTestProxy = &cobra.Command{
|
||||
Use: "no-snat-test-proxy",
|
||||
Short: "Creates a proxy for the /checknosnat endpoint",
|
||||
Long: `Creates the /checknosnat endpoint which proxies the request to the given target (/checknosnat?target=target_ip&ips=ip1,ip2) and returns its response, or a 500 response on error.`,
|
||||
Args: cobra.MaximumNArgs(1),
|
||||
Run: main,
|
||||
}
|
||||
|
||||
var port string
|
||||
|
||||
func init() {
|
||||
CmdNoSnatTestProxy.Flags().StringVar(&port, "port", "31235", "The port to serve /checknosnat endpoint on.")
|
||||
}
|
||||
|
||||
// This Pod's /checknosnat takes `target` and `ips` arguments, and queries {target}/checknosnat?ips={ips}
|
||||
|
||||
type masqTestProxy struct {
|
||||
Port string
|
||||
}
|
||||
|
||||
func newMasqTestProxy() *masqTestProxy {
|
||||
return &masqTestProxy{
|
||||
Port: "31235",
|
||||
func main(cmd *cobra.Command, args []string) {
|
||||
m := &masqTestProxy{
|
||||
Port: port,
|
||||
}
|
||||
}
|
||||
|
||||
func (m *masqTestProxy) AddFlags(fs *pflag.FlagSet) {
|
||||
fs.StringVar(&m.Port, "port", m.Port, "The port to serve /checknosnat endpoint on.")
|
||||
}
|
||||
|
||||
func main() {
|
||||
m := newMasqTestProxy()
|
||||
m.AddFlags(pflag.CommandLine)
|
||||
|
||||
cliflag.InitFlags()
|
||||
logs.InitLogs()
|
||||
defer logs.FlushLogs()
|
||||
|
||||
@ -2,23 +2,16 @@ package(default_visibility = ["//visibility:public"])
|
||||
|
||||
load(
|
||||
"@io_bazel_rules_go//go:def.bzl",
|
||||
"go_binary",
|
||||
"go_library",
|
||||
)
|
||||
|
||||
go_binary(
|
||||
name = "no-snat-test-proxy",
|
||||
embed = [":go_default_library"],
|
||||
)
|
||||
|
||||
go_library(
|
||||
name = "go_default_library",
|
||||
srcs = ["main.go"],
|
||||
importpath = "k8s.io/kubernetes/test/images/no-snat-test-proxy",
|
||||
importpath = "k8s.io/kubernetes/test/images/agnhost/no-snat-test",
|
||||
deps = [
|
||||
"//staging/src/k8s.io/component-base/cli/flag:go_default_library",
|
||||
"//staging/src/k8s.io/component-base/logs:go_default_library",
|
||||
"//vendor/github.com/spf13/pflag:go_default_library",
|
||||
"//vendor/github.com/spf13/cobra:go_default_library",
|
||||
],
|
||||
)
|
||||
|
||||
@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package main
|
||||
package nosnat
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
@ -24,11 +24,29 @@ import (
|
||||
"os"
|
||||
"strings"
|
||||
|
||||
"github.com/spf13/pflag"
|
||||
cliflag "k8s.io/component-base/cli/flag"
|
||||
"github.com/spf13/cobra"
|
||||
"k8s.io/component-base/logs"
|
||||
)
|
||||
|
||||
// CmdNoSnatTest is used by agnhost Cobra.
|
||||
var CmdNoSnatTest = &cobra.Command{
|
||||
Use: "no-snat-test",
|
||||
Short: "Creates the /checknosnat and /whoami endpoints",
|
||||
Long: `Serves the following endpoints on the given port (defaults to "8080").
|
||||
|
||||
- /whoami - returns the request's IP address.
|
||||
- /checknosnat - queries "ip/whoami" for each provided IP ("/checknosnat?ips=ip1,ip2"),
|
||||
and if all the response bodies match the "POD_IP" environment variable, it will return a 200 response, 500 otherwise.`,
|
||||
Args: cobra.MaximumNArgs(1),
|
||||
Run: main,
|
||||
}
|
||||
|
||||
var port string
|
||||
|
||||
func init() {
|
||||
CmdNoSnatTest.Flags().StringVar(&port, "port", "8080", "The port to serve /checknosnat and /whoami endpoints on.")
|
||||
}
|
||||
|
||||
// ip = target for /whoami query
|
||||
// rip = returned ip
|
||||
// pip = this pod's ip
|
||||
@ -38,21 +56,11 @@ type masqTester struct {
|
||||
Port string
|
||||
}
|
||||
|
||||
func newMasqTester() *masqTester {
|
||||
return &masqTester{
|
||||
Port: "8080",
|
||||
func main(cmd *cobra.Command, args []string) {
|
||||
m := &masqTester{
|
||||
Port: port,
|
||||
}
|
||||
}
|
||||
|
||||
func (m *masqTester) AddFlags(fs *pflag.FlagSet) {
|
||||
fs.StringVar(&m.Port, "port", m.Port, "The port to serve /checknosnat and /whoami endpoints on.")
|
||||
}
|
||||
|
||||
func main() {
|
||||
m := newMasqTester()
|
||||
m.AddFlags(pflag.CommandLine)
|
||||
|
||||
cliflag.InitFlags()
|
||||
logs.InitLogs()
|
||||
defer logs.FlushLogs()
|
||||
|
||||
@ -2,19 +2,14 @@ package(default_visibility = ["//visibility:public"])
|
||||
|
||||
load(
|
||||
"@io_bazel_rules_go//go:def.bzl",
|
||||
"go_binary",
|
||||
"go_library",
|
||||
)
|
||||
|
||||
go_binary(
|
||||
name = "port-forward-tester",
|
||||
embed = [":go_default_library"],
|
||||
)
|
||||
|
||||
go_library(
|
||||
name = "go_default_library",
|
||||
srcs = ["portforwardtester.go"],
|
||||
importpath = "k8s.io/kubernetes/test/images/port-forward-tester",
|
||||
importpath = "k8s.io/kubernetes/test/images/agnhost/port-forward-tester",
|
||||
deps = ["//vendor/github.com/spf13/cobra:go_default_library"],
|
||||
)
|
||||
|
||||
filegroup(
|
||||
@ -26,7 +26,8 @@ limitations under the License.
|
||||
// Log messages are written to stdout at various stages of the binary's execution.
|
||||
// Test code can retrieve this container's log and validate that the expected
|
||||
// behavior is taking place.
|
||||
package main
|
||||
|
||||
package portforwardtester
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
@ -35,6 +36,8 @@ import (
|
||||
"strconv"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/spf13/cobra"
|
||||
)
|
||||
|
||||
func getEnvInt(name string) int {
|
||||
@ -58,7 +61,26 @@ func getEnvInt(name string) int {
|
||||
// This timeout is somewhat arbitrary (~latency around the planet).
|
||||
const rstAvoidanceDelay = 500 * time.Millisecond
|
||||
|
||||
func main() {
|
||||
// CmdPortForwardTester is used by agnhost Cobra.
|
||||
var CmdPortForwardTester = &cobra.Command{
|
||||
Use: "port-forward-tester",
|
||||
Short: "Creates a TCP server that sends chunks of data",
|
||||
Long: `Listens for TCP connections on a given address and port, optionally checks the data received,
|
||||
and sends a configurable number of data chunks, with a configurable interval between chunks.
|
||||
|
||||
The subcommand is using the following environment variables:
|
||||
|
||||
- BIND_ADDRESS (optional): The address on which it will start listening for TCP connections (default value: localhost)
|
||||
- BIND_PORT: The port on which it will start listening for TCP connections.
|
||||
- EXPECTED_CLIENT_DATA (optional): If set, it will check that the request sends the same exact data.
|
||||
- CHUNKS: How many chunks of data to write in the response.
|
||||
- CHUNK_SIZE: The expected size of each written chunk of data. If it does not match the actual size of the written data, it will exit with the exit code 4.
|
||||
- CHUNK_INTERVAL: The amount of time to wait in between chunks.`,
|
||||
Args: cobra.MaximumNArgs(0),
|
||||
Run: main,
|
||||
}
|
||||
|
||||
func main(cmd *cobra.Command, args []string) {
|
||||
bindAddress := os.Getenv("BIND_ADDRESS")
|
||||
if bindAddress == "" {
|
||||
bindAddress = "localhost"
|
||||
@ -1,19 +0,0 @@
|
||||
# Copyright 2016 The Kubernetes Authors.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
FROM scratch
|
||||
COPY GITHASH.txt /
|
||||
COPY fakegitserver /
|
||||
ENTRYPOINT ["/fakegitserver"]
|
||||
|
||||
@ -1,27 +0,0 @@
|
||||
# Copyright 2016 The Kubernetes Authors.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
SRCS = fakegitserver
|
||||
ARCH ?= amd64
|
||||
TARGET ?= $(CURDIR)
|
||||
GOLANG_VERSION ?= latest
|
||||
SRC_DIR = $(notdir $(shell pwd))
|
||||
export
|
||||
|
||||
IGNORE := $(shell git rev-parse HEAD > $(TARGET)/GITHASH.txt)
|
||||
|
||||
bin:
|
||||
../image-util.sh bin $(SRCS)
|
||||
|
||||
.PHONY: bin
|
||||
@ -1 +0,0 @@
|
||||
1.0
|
||||
@ -1,5 +0,0 @@
|
||||
amd64=alpine:3.6
|
||||
arm=arm32v6/alpine:3.6
|
||||
arm64=arm64v8/alpine:3.6
|
||||
ppc64le=ppc64le/alpine:3.6
|
||||
s390x=s390x/alpine:3.6
|
||||
@ -1,25 +0,0 @@
|
||||
# Copyright 2016 The Kubernetes Authors.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
FROM BASEIMAGE
|
||||
|
||||
CROSS_BUILD_COPY qemu-QEMUARCH-static /usr/bin/
|
||||
|
||||
# install necessary packages:
|
||||
# - curl, nc: used by a lot of e2e tests
|
||||
# - iproute2: includes ss used in NodePort tests
|
||||
RUN apk --update add curl netcat-openbsd iproute2 && rm -rf /var/cache/apk/*
|
||||
|
||||
# wait forever
|
||||
CMD while true; do sleep 1d; done
|
||||
@ -1 +0,0 @@
|
||||
1.1
|
||||
@ -1,12 +0,0 @@
|
||||
apiVersion: v1
|
||||
kind: Pod
|
||||
metadata:
|
||||
name: hostexec
|
||||
labels:
|
||||
app: hostexec
|
||||
spec:
|
||||
containers:
|
||||
- name: hostexec
|
||||
image: gcr.io/kubernetes-e2e-test-images/hostexec-amd64:1.1
|
||||
securityContext:
|
||||
hostNetwork: true
|
||||
@ -1,17 +0,0 @@
|
||||
# Copyright 2016 The Kubernetes Authors.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
FROM scratch
|
||||
|
||||
COPY liveness /server
|
||||
@ -1,25 +0,0 @@
|
||||
# Copyright 2016 The Kubernetes Authors.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
SRCS = liveness
|
||||
ARCH ?= amd64
|
||||
TARGET ?= $(CURDIR)
|
||||
GOLANG_VERSION ?= latest
|
||||
SRC_DIR = $(notdir $(shell pwd))
|
||||
export
|
||||
|
||||
bin:
|
||||
../image-util.sh bin $(SRCS)
|
||||
|
||||
.PHONY: bin
|
||||
@ -1 +0,0 @@
|
||||
1.1
|
||||
@ -1,4 +0,0 @@
|
||||
amd64=busybox
|
||||
arm=arm32v6/busybox
|
||||
arm64=arm64v8/busybox
|
||||
ppc64le=ppc64le/busybox
|
||||
@ -1,22 +0,0 @@
|
||||
# Copyright 2016 The Kubernetes Authors.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
FROM BASEIMAGE
|
||||
|
||||
ENV LOGS_GENERATOR_LINES_TOTAL 1
|
||||
ENV LOGS_GENERATOR_DURATION 1s
|
||||
|
||||
COPY logs-generator /
|
||||
|
||||
CMD ["sh", "-c", "/logs-generator --logtostderr --log-lines-total=${LOGS_GENERATOR_LINES_TOTAL} --run-duration=${LOGS_GENERATOR_DURATION}"]
|
||||
@ -1,25 +0,0 @@
|
||||
# Copyright 2016 The Kubernetes Authors.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
SRCS=logs-generator
|
||||
ARCH ?= amd64
|
||||
TARGET ?= $(CURDIR)
|
||||
GOLANG_VERSION ?= latest
|
||||
SRC_DIR = $(notdir $(shell pwd))
|
||||
export
|
||||
|
||||
bin:
|
||||
../image-util.sh bin $(SRCS)
|
||||
|
||||
.PHONY: bin
|
||||
@ -1,57 +0,0 @@
|
||||
# Logs Generator
|
||||
|
||||
## Overview
|
||||
|
||||
Logs generator is a tool to create predictable load on the logs delivery system.
|
||||
It generates random lines with predictable format and predictable average length.
|
||||
Each line can be later uniquely identified to ensure logs delivery.
|
||||
|
||||
## Usage
|
||||
|
||||
Tool is parametrized with the total number of number that should be generated and the duration of
|
||||
the generation process. For example, if you want to create a throughput of 100 lines per second
|
||||
for a minute, you set total number of lines to 6000 and duration to 1 minute.
|
||||
|
||||
Parameters are passed through environment variables. There are no defaults, you should always
|
||||
set up container parameters. Total number of line is parametrized through env variable
|
||||
`LOGS_GENERATOR_LINES_TOTAL` and duration in go format is parametrized through env variable
|
||||
`LOGS_GENERATOR_DURATION`.
|
||||
|
||||
Inside the container all log lines are written to the stdout.
|
||||
|
||||
Each line is on average 100 bytes long and follows this pattern:
|
||||
|
||||
```
|
||||
2000-12-31T12:59:59Z <id> <method> /api/v1/namespaces/<namespace>/endpoints/<random_string> <random_number>
|
||||
```
|
||||
|
||||
Where `<id>` refers to the number from 0 to `total_lines - 1`, which is unique for each
|
||||
line in a given run of the container.
|
||||
|
||||
## Image
|
||||
|
||||
Image is located in the public repository of Google Container Registry under the name
|
||||
|
||||
```
|
||||
k8s.gcr.io/logs-generator:v0.1.1
|
||||
```
|
||||
|
||||
## Examples
|
||||
|
||||
```
|
||||
docker run -i \
|
||||
-e "LOGS_GENERATOR_LINES_TOTAL=10" \
|
||||
-e "LOGS_GENERATOR_DURATION=1s" \
|
||||
k8s.gcr.io/logs-generator:v0.1.1
|
||||
```
|
||||
|
||||
```
|
||||
kubectl run logs-generator \
|
||||
--generator=run-pod/v1 \
|
||||
--image=k8s.gcr.io/logs-generator:v0.1.1 \
|
||||
--restart=Never \
|
||||
--env "LOGS_GENERATOR_LINES_TOTAL=1000" \
|
||||
--env "LOGS_GENERATOR_DURATION=1m"
|
||||
```
|
||||
|
||||
[]()
|
||||
@ -1 +0,0 @@
|
||||
1.0
|
||||
@ -1,4 +0,0 @@
|
||||
amd64=alpine:3.6
|
||||
arm=arm32v6/alpine:3.6
|
||||
arm64=arm64v8/alpine:3.6
|
||||
ppc64le=ppc64le/alpine:3.6
|
||||
@ -1,19 +0,0 @@
|
||||
# Copyright 2017 The Kubernetes Authors.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
FROM BASEIMAGE
|
||||
|
||||
COPY no-snat-test-proxy /
|
||||
|
||||
ENTRYPOINT ["/no-snat-test-proxy"]
|
||||
@ -1,25 +0,0 @@
|
||||
# Copyright 2017 The Kubernetes Authors.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
SRCS=no-snat-test-proxy
|
||||
ARCH ?= amd64
|
||||
TARGET ?= $(CURDIR)
|
||||
GOLANG_VERSION ?= latest
|
||||
SRC_DIR = $(notdir $(shell pwd))
|
||||
export
|
||||
|
||||
bin:
|
||||
../image-util.sh bin $(SRCS)
|
||||
|
||||
.PHONY: bin
|
||||
@ -1 +0,0 @@
|
||||
1.0
|
||||
@ -1,4 +0,0 @@
|
||||
amd64=alpine:3.6
|
||||
arm=arm32v6/alpine:3.6
|
||||
arm64=arm64v8/alpine:3.6
|
||||
ppc64le=ppc64le/alpine:3.6
|
||||
@ -1,19 +0,0 @@
|
||||
# Copyright 2017 The Kubernetes Authors.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
FROM BASEIMAGE
|
||||
|
||||
COPY no-snat-test /
|
||||
|
||||
ENTRYPOINT ["/no-snat-test"]
|
||||
@ -1,25 +0,0 @@
|
||||
# Copyright 2017 The Kubernetes Authors.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
SRCS=no-snat-test
|
||||
ARCH ?= amd64
|
||||
TARGET ?= $(CURDIR)
|
||||
GOLANG_VERSION ?= latest
|
||||
SRC_DIR = $(notdir $(shell pwd))
|
||||
export
|
||||
|
||||
bin:
|
||||
../image-util.sh bin $(SRCS)
|
||||
|
||||
.PHONY: bin
|
||||
@ -1 +0,0 @@
|
||||
1.0
|
||||
1
test/images/port-forward-tester/.gitignore
vendored
1
test/images/port-forward-tester/.gitignore
vendored
@ -1 +0,0 @@
|
||||
portforwardtester
|
||||
@ -1,18 +0,0 @@
|
||||
# Copyright 2015 The Kubernetes Authors.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
FROM scratch
|
||||
ADD portforwardtester portforwardtester
|
||||
ADD portforwardtester.go portforwardtester.go
|
||||
ENTRYPOINT ["/portforwardtester"]
|
||||
@ -1,25 +0,0 @@
|
||||
# Copyright 2016 The Kubernetes Authors.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
SRCS=portforwardtester
|
||||
ARCH ?= amd64
|
||||
TARGET ?= $(CURDIR)
|
||||
GOLANG_VERSION ?= latest
|
||||
SRC_DIR = $(notdir $(shell pwd))
|
||||
export
|
||||
|
||||
bin:
|
||||
../image-util.sh bin $(SRCS)
|
||||
|
||||
.PHONY: bin
|
||||
@ -1 +0,0 @@
|
||||
1.0
|
||||
Loading…
Reference in New Issue
Block a user