Move packages to proejct/pkg to follow go project folder structure convention (#1190)
This commit is contained in:
Ta-Ching Chen
@@ -0,0 +1,235 @@
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/*
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Copyright 2016 The Fission Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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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 fission_cli
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import (
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"fmt"
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"os"
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"text/tabwriter"
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"time"
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"github.com/urfave/cli"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
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"github.com/fission/fission/pkg/fission-cli/log"
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"github.com/fission/fission/pkg/fission-cli/util"
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"github.com/fission/fission/pkg/types"
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)
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func canaryConfigCreate(c *cli.Context) error {
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client := util.GetApiClient(c.GlobalString("server"))
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canaryConfigName := c.String("name")
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// canary configs can be created for functions in the same namespace
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if len(canaryConfigName) == 0 {
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log.Fatal("Need a name, use --name.")
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}
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trigger := c.String("httptrigger")
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newFunc := c.String("newfunction")
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oldFunc := c.String("oldfunction")
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ns := c.String("fnNamespace")
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incrementStep := c.Int("increment-step")
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failureThreshold := c.Int("failure-threshold")
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incrementInterval := c.String("increment-interval")
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// check for time parsing
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_, err := time.ParseDuration(incrementInterval)
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util.CheckErr(err, "parsing time duration.")
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// check that the trigger exists in the same namespace.
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m := &metav1.ObjectMeta{
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Name: trigger,
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Namespace: ns,
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}
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htTrigger, err := client.HTTPTriggerGet(m)
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if err != nil {
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util.CheckErr(err, "find trigger referenced in the canary config")
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}
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// check that the trigger has function reference type function weights
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if htTrigger.Spec.FunctionReference.Type != types.FunctionReferenceTypeFunctionWeights {
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log.Fatal("Canary config cannot be created for http triggers that do not reference functions by weights")
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}
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// check that the trigger references same functions in the function weights
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_, ok := htTrigger.Spec.FunctionReference.FunctionWeights[newFunc]
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if !ok {
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log.Fatal(fmt.Sprintf("HTTP Trigger doesn't reference the function %s in Canary Config", newFunc))
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}
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_, ok = htTrigger.Spec.FunctionReference.FunctionWeights[oldFunc]
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if !ok {
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log.Fatal(fmt.Sprintf("HTTP Trigger doesn't reference the function %s in Canary Config", oldFunc))
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}
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// check that the functions exist in the same namespace
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fnList := []string{newFunc, oldFunc}
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err = util.CheckFunctionExistence(client, fnList, ns)
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if err != nil {
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log.Fatal(fmt.Sprintf("checkFunctionExistence err : %v", err))
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}
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// finally create canaryCfg in the same namespace as the functions referenced
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canaryCfg := &fv1.CanaryConfig{
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Metadata: metav1.ObjectMeta{
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Name: canaryConfigName,
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Namespace: ns,
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},
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Spec: fv1.CanaryConfigSpec{
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Trigger: trigger,
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NewFunction: newFunc,
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OldFunction: oldFunc,
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WeightIncrement: incrementStep,
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WeightIncrementDuration: incrementInterval,
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FailureThreshold: failureThreshold,
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FailureType: fv1.FailureTypeStatusCode,
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},
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Status: fv1.CanaryConfigStatus{
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Status: fv1.CanaryConfigStatusPending,
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},
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}
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_, err = client.CanaryConfigCreate(canaryCfg)
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util.CheckErr(err, "create canary config")
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fmt.Printf("canary config '%v' created\n", canaryConfigName)
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return err
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}
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func canaryConfigGet(c *cli.Context) error {
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client := util.GetApiClient(c.GlobalString("server"))
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name := c.String("name")
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if len(name) == 0 {
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log.Fatal("Need a name, use --name.")
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}
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ns := c.String("canaryNamespace")
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m := &metav1.ObjectMeta{
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Name: name,
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Namespace: ns,
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}
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canaryCfg, err := client.CanaryConfigGet(m)
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util.CheckErr(err, "get canary config")
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w := tabwriter.NewWriter(os.Stdout, 0, 0, 1, ' ', 0)
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fmt.Fprintf(w, "%v\t%v\t%v\t%v\t%v\t%v\t%v\t%v\t%v\n", "NAME", "TRIGGER", "FUNCTION-N", "FUNCTION-N-1", "WEIGHT-INCREMENT", "INTERVAL", "FAILURE-THRESHOLD", "FAILURE-TYPE", "STATUS")
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fmt.Fprintf(w, "%v\t%v\t%v\t%v\t%v\t%v\t%v\t%v\t%v\n",
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canaryCfg.Metadata.Name, canaryCfg.Spec.Trigger, canaryCfg.Spec.NewFunction, canaryCfg.Spec.OldFunction, canaryCfg.Spec.WeightIncrement, canaryCfg.Spec.WeightIncrementDuration,
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canaryCfg.Spec.FailureThreshold, canaryCfg.Spec.FailureType, canaryCfg.Status.Status)
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w.Flush()
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return nil
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}
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func canaryConfigUpdate(c *cli.Context) error {
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client := util.GetApiClient(c.GlobalString("server"))
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canaryConfigName := c.String("name")
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ns := c.String("canaryNamespace")
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if len(canaryConfigName) == 0 {
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log.Fatal("Need a name, use --name.")
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}
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incrementStep := c.Int("increment-step")
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failureThreshold := c.Int("failure-threshold")
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incrementInterval := c.String("increment-interval")
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// check for time parsing
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_, err := time.ParseDuration(incrementInterval)
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util.CheckErr(err, "parsing time duration.")
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// get the current config
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m := &metav1.ObjectMeta{
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Name: canaryConfigName,
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Namespace: ns,
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}
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var updateNeeded bool
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canaryCfg, err := client.CanaryConfigGet(m)
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util.CheckErr(err, "get canary config")
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if incrementStep != canaryCfg.Spec.WeightIncrement {
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canaryCfg.Spec.WeightIncrement = incrementStep
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updateNeeded = true
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}
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if failureThreshold != canaryCfg.Spec.FailureThreshold {
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canaryCfg.Spec.FailureThreshold = failureThreshold
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updateNeeded = true
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}
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if incrementInterval != canaryCfg.Spec.WeightIncrementDuration {
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canaryCfg.Spec.WeightIncrementDuration = incrementInterval
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updateNeeded = true
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}
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if updateNeeded {
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canaryCfg.Status.Status = fv1.CanaryConfigStatusPending
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_, err = client.CanaryConfigUpdate(canaryCfg)
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util.CheckErr(err, "update canary config")
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}
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return nil
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}
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func canaryConfigDelete(c *cli.Context) error {
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client := util.GetApiClient(c.GlobalString("server"))
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canaryConfigName := c.String("name")
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ns := c.String("canaryNamespace")
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if len(canaryConfigName) == 0 {
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log.Fatal("Need a name, use --name.")
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}
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// get the current config
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m := &metav1.ObjectMeta{
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Name: canaryConfigName,
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Namespace: ns,
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}
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err := client.CanaryConfigDelete(m)
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util.CheckErr(err, fmt.Sprintf("delete function '%v.%v'", canaryConfigName, ns))
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fmt.Printf("canaryconfig '%v.%v' deleted\n", canaryConfigName, ns)
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return err
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}
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func canaryConfigList(c *cli.Context) error {
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client := util.GetApiClient(c.GlobalString("server"))
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ns := c.String("canaryNamespace")
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canaryCfgs, err := client.CanaryConfigList(ns)
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util.CheckErr(err, "list canary config")
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w := tabwriter.NewWriter(os.Stdout, 0, 0, 1, ' ', 0)
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fmt.Fprintf(w, "%v\t%v\t%v\t%v\t%v\t%v\t%v\t%v\t%v\n", "NAME", "TRIGGER", "FUNCTION-N", "FUNCTION-N-1", "WEIGHT-INCREMENT", "INTERVAL", "FAILURE-THRESHOLD", "FAILURE-TYPE", "STATUS")
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for _, canaryCfg := range canaryCfgs {
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fmt.Fprintf(w, "%v\t%v\t%v\t%v\t%v\t%v\t%v\t%v\t%v\n",
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canaryCfg.Metadata.Name, canaryCfg.Spec.Trigger, canaryCfg.Spec.NewFunction, canaryCfg.Spec.OldFunction, canaryCfg.Spec.WeightIncrement, canaryCfg.Spec.WeightIncrementDuration,
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canaryCfg.Spec.FailureThreshold, canaryCfg.Spec.FailureType, canaryCfg.Status.Status)
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}
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w.Flush()
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return nil
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}
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