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Add support to render project to ArgoCD Applicaiton
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| /* | ||
| Copyright © 2021 Michael Gruener | ||
| 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. | ||
| */ | ||
|
|
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| package argocd | ||
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|
||
| import ( | ||
| // "github.com/argoproj/argo-cd/pkg/apis/application/v1alpha1" | ||
| "fmt" | ||
| "strings" | ||
|
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| "github.com/bedag/kusible/pkg/playbook/config" | ||
| "sigs.k8s.io/yaml" | ||
| ) | ||
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| // ApplicationFromPlay renders a a set of ArgoCD Application resources (see https://argoproj.github.io/argo-cd/operator-manual/declarative-setup/) | ||
| // for a given play. Each chart of the play results in a separate Application resource containing | ||
| // the details of the helm release (release name, chart name, repo of the chart, chart version, values). | ||
| // | ||
| // The project parameter is the argocd project the application should belong to | ||
| // The namespace parameter is the namespace where ArgoCD is expection Application resources | ||
| // The server parameter is the server name(!) as configured in ArgoCD where ArgoCD should deploy the rendered resources | ||
| func ApplicationFromPlay(play *config.Play, project string, namespace string, server string) (string, error) { | ||
| // https://github.com/argoproj/argo-cd/blob/master/pkg/apis/application/v1alpha1/types.go | ||
| result := "" | ||
| for _, chart := range play.Charts { | ||
| app := Application{} | ||
| // global Application resource settings | ||
| app.APIVersion = "argoproj.io/v1alpha1" | ||
| app.Kind = "Application" | ||
| app.ObjectMeta.Namespace = namespace | ||
| app.ObjectMeta.Name = project + chart.Name | ||
| app.Spec.Project = project | ||
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| // helm chart settings | ||
| for _, repo := range play.Repos { | ||
| if repo.Name == chart.Repo { | ||
| app.Spec.Source.RepoURL = repo.URL | ||
| } | ||
| } | ||
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||
| if app.Spec.Source.RepoURL == "" { | ||
| return result, fmt.Errorf("no repo '%s' for chart '%s' configured in play", chart.Repo, chart.Name) | ||
| } | ||
|
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| // design decision: only support helm 3 | ||
| app.Spec.Source.Helm.Version = "v3" | ||
| app.Spec.Source.Chart = chart.Chart | ||
| app.Spec.Source.TargetRevision = chart.Version | ||
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| values, err := yaml.Marshal(chart.Values) | ||
| if err != nil { | ||
| return result, fmt.Errorf("failed to convert values of chart '%s' to yaml: %s", chart.Name, err) | ||
| } | ||
| app.Spec.Source.Helm.Values = string(values) | ||
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| // target cluster + namespace settings | ||
| app.Spec.Destination.Namespace = chart.Namespace | ||
| app.Spec.Destination.Name = server | ||
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| manifest, err := yaml.Marshal(app) | ||
| if err != nil { | ||
| return result, err | ||
| } | ||
| result = fmt.Sprintf("%s%s\n", result, strings.TrimSpace(string(manifest))) | ||
| } | ||
| return result, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,169 @@ | ||
| /* | ||
| Copyright © 2021 Michael Gruener & The ArgoCD 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. | ||
| */ | ||
|
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| package argocd | ||
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| import metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
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| /* | ||
| Because of https://github.com/argoproj/argo-cd/issues/4055 it is very cumbersome | ||
| (if at all possible in a sensible way) to import the ArgoCD go packages. According | ||
| to some comments in the issue it is easier to define the required datastructures | ||
| yourself, which we do here. | ||
| Prepare for lots of copy & paste from https://github.com/argoproj/argo-cd/blob/master/pkg/apis/application/v1alpha1/types.go | ||
| The definitions of the data structures are stripped down to what the kusible code | ||
| actually needs to keep the amount of required code maintenance down. | ||
| */ | ||
|
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| // Application is a definition of an ArgoCD Application resource. | ||
| type Application struct { | ||
| metav1.TypeMeta `json:",inline"` | ||
| metav1.ObjectMeta `json:"metadata"` | ||
| Spec ApplicationSpec `json:"spec"` | ||
| } | ||
|
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| // ApplicationSpec represents desired application state. Contains link to repository with application definition and additional parameters link definition revision. | ||
| type ApplicationSpec struct { | ||
| // Source is a reference to the location ksonnet application definition | ||
| Source ApplicationSource `json:"source"` | ||
| // Destination overrides the kubernetes server and namespace defined in the environment ksonnet app.yaml | ||
| Destination ApplicationDestination `json:"destination"` | ||
| // Project is a application project name. Empty name means that application belongs to 'default' project. | ||
| Project string `json:"project"` | ||
| // SyncPolicy controls when a sync will be performed | ||
| SyncPolicy *SyncPolicy `json:"syncPolicy,omitempty"` | ||
| // IgnoreDifferences controls resources fields which should be ignored during comparison | ||
| IgnoreDifferences []ResourceIgnoreDifferences `json:"ignoreDifferences,omitempty"` | ||
| // Infos contains a list of useful information (URLs, email addresses, and plain text) that relates to the application | ||
| Info []Info `json:"info,omitempty"` | ||
| // This limits this number of items kept in the apps revision history. | ||
| // This should only be changed in exceptional circumstances. | ||
| // Setting to zero will store no history. This will reduce storage used. | ||
| // Increasing will increase the space used to store the history, so we do not recommend increasing it. | ||
| // Default is 10. | ||
| RevisionHistoryLimit *int64 `json:"revisionHistoryLimit,omitempty"` | ||
| } | ||
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| // ApplicationSource contains information about github repository, path within repository and target application environment. | ||
| type ApplicationSource struct { | ||
| // RepoURL is the repository URL of the application manifests | ||
| RepoURL string `json:"repoURL"` | ||
| // TargetRevision defines the commit, tag, or branch in which to sync the application to. | ||
| // If omitted, will sync to HEAD | ||
| TargetRevision string `json:"targetRevision,omitempty"` | ||
| // Helm holds helm specific options | ||
| Helm *ApplicationSourceHelm `json:"helm,omitempty"` | ||
| // Chart is a Helm chart name | ||
| Chart string `json:"chart,omitempty"` | ||
| } | ||
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| // ApplicationDestination contains deployment destination information | ||
| type ApplicationDestination struct { | ||
| // Namespace overrides the environment namespace value in the ksonnet app.yaml | ||
| Namespace string `json:"namespace,omitempty"` | ||
| // Name of the destination cluster which can be used instead of server (url) field | ||
| Name string `json:"name,omitempty"` | ||
| } | ||
|
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| // ResourceIgnoreDifferences contains resource filter and list of json paths which should be ignored during comparison with live state. | ||
| type ResourceIgnoreDifferences struct { | ||
| Group string `json:"group,omitempty"` | ||
| Kind string `json:"kind"` | ||
| Name string `json:"name,omitempty"` | ||
| Namespace string `json:"namespace,omitempty"` | ||
| JSONPointers []string `json:"jsonPointers"` | ||
| } | ||
|
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| // SyncPolicy controls when a sync will be performed in response to updates in git | ||
| type SyncPolicy struct { | ||
| // Automated will keep an application synced to the target revision | ||
| Automated *SyncPolicyAutomated `json:"automated,omitempty"` | ||
| // Options allow you to specify whole app sync-options | ||
| SyncOptions SyncOptions `json:"syncOptions,omitempty"` | ||
| // Retry controls failed sync retry behavior | ||
| Retry *RetryStrategy `json:"retry,omitempty"` | ||
| } | ||
|
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| type Info struct { | ||
| Name string `json:"name"` | ||
| Value string `json:"value"` | ||
| } | ||
|
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| // ApplicationSourceHelm holds helm specific options | ||
| type ApplicationSourceHelm struct { | ||
| // ValuesFiles is a list of Helm value files to use when generating a template | ||
| ValueFiles []string `json:"valueFiles,omitempty"` | ||
| // Parameters are parameters to the helm template | ||
| Parameters []HelmParameter `json:"parameters,omitempty"` | ||
| // The Helm release name. If omitted it will use the application name | ||
| ReleaseName string `json:"releaseName,omitempty"` | ||
| // Values is Helm values, typically defined as a block | ||
| Values string `json:"values,omitempty"` | ||
| // FileParameters are file parameters to the helm template | ||
| FileParameters []HelmFileParameter `json:"fileParameters,omitempty"` | ||
| // Version is the Helm version to use for templating with | ||
| Version string `json:"version,omitempty"` | ||
| } | ||
|
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| // HelmParameter is a parameter to a helm template | ||
| type HelmParameter struct { | ||
| // Name is the name of the helm parameter | ||
| Name string `json:"name,omitempty"` | ||
| // Value is the value for the helm parameter | ||
| Value string `json:"value,omitempty"` | ||
| // ForceString determines whether to tell Helm to interpret booleans and numbers as strings | ||
| ForceString bool `json:"forceString,omitempty"` | ||
| } | ||
|
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| // HelmFileParameter is a file parameter to a helm template | ||
| type HelmFileParameter struct { | ||
| // Name is the name of the helm parameter | ||
| Name string `json:"name,omitempty"` | ||
| // Path is the path value for the helm parameter | ||
| Path string `json:"path,omitempty"` | ||
| } | ||
|
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| // SyncPolicyAutomated controls the behavior of an automated sync | ||
| type SyncPolicyAutomated struct { | ||
| // Prune will prune resources automatically as part of automated sync (default: false) | ||
| Prune bool `json:"prune,omitempty"` | ||
| // SelfHeal enables auto-syncing if (default: false) | ||
| SelfHeal bool `json:"selfHeal,omitempty"` | ||
| // AllowEmpty allows apps have zero live resources (default: false) | ||
| AllowEmpty bool `json:"allowEmpty,omitempty"` | ||
| } | ||
|
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| type SyncOptions []string | ||
|
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| type RetryStrategy struct { | ||
| // Limit is the maximum number of attempts when retrying a container | ||
| Limit int64 `json:"limit,omitempty"` | ||
|
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| // Backoff is a backoff strategy | ||
| Backoff *Backoff `json:"backoff,omitempty"` | ||
| } | ||
|
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| // Backoff is a backoff strategy to use within retryStrategy | ||
| type Backoff struct { | ||
| // Duration is the amount to back off. Default unit is seconds, but could also be a duration (e.g. "2m", "1h") | ||
| Duration string `json:"duration,omitempty"` | ||
| // Factor is a factor to multiply the base duration after each failed retry | ||
| Factor *int64 `json:"factor,omitempty"` | ||
| // MaxDuration is the maximum amount of time allowed for the backoff strategy | ||
| MaxDuration string `json:"maxDuration,omitempty"` | ||
| } |
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