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feat: template lagoon-env secret #397

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4 changes: 1 addition & 3 deletions Dockerfile
Original file line number Diff line number Diff line change
Expand Up @@ -78,13 +78,11 @@ RUN apk add -U --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing au
&& apk upgrade --no-cache openssh openssh-keygen openssh-client-common openssh-client-default \
&& apk add --no-cache openssl curl jq parallel bash git py-pip skopeo \
&& git config --global user.email "[email protected]" && git config --global user.name lagoon \
&& pip install --break-system-packages shyaml yq
&& pip install --break-system-packages yq

RUN architecture=$(case $(uname -m) in x86_64 | amd64) echo "amd64" ;; aarch64 | arm64 | armv8) echo "arm64" ;; *) echo "amd64" ;; esac) \
&& curl -Lo /usr/bin/kubectl https://dl.k8s.io/release/$KUBECTL_VERSION/bin/linux/${architecture}/kubectl \
&& chmod +x /usr/bin/kubectl \
&& curl -Lo /usr/bin/yq3 https://github.com/mikefarah/yq/releases/download/3.3.2/yq_linux_${architecture} \
&& chmod +x /usr/bin/yq3 \
&& curl -Lo /usr/bin/yq https://github.com/mikefarah/yq/releases/download/v4.35.2/yq_linux_${architecture} \
&& chmod +x /usr/bin/yq \
&& curl -Lo /tmp/helm.tar.gz https://get.helm.sh/helm-${HELM_VERSION}-linux-${architecture}.tar.gz \
Expand Down
2 changes: 2 additions & 0 deletions cmd/root.go
Original file line number Diff line number Diff line change
Expand Up @@ -153,6 +153,8 @@ func init() {
"Ignore missing env_file files (true by default, subject to change).")
rootCmd.PersistentFlags().StringP("images", "", "",
"JSON representation of service:image reference")
rootCmd.PersistentFlags().StringP("dbaas-creds", "", "",
"JSON representation of dbaas credential references")
}

// initConfig reads in config file and ENV variables if set.
Expand Down
120 changes: 120 additions & 0 deletions cmd/template_lagoonenv.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,120 @@
package cmd

import (
"encoding/json"
"fmt"
"os"
"strings"

"github.com/spf13/cobra"
generator "github.com/uselagoon/build-deploy-tool/internal/generator"
"github.com/uselagoon/build-deploy-tool/internal/helpers"
servicestemplates "github.com/uselagoon/build-deploy-tool/internal/templating"
)

type DBaaSCredRefs []map[string]string

var lagoonEnvGeneration = &cobra.Command{
Use: "lagoon-env",
Aliases: []string{"le"},
Short: "Generate the lagoon-env secret template for a Lagoon build",
RunE: func(cmd *cobra.Command, args []string) error {
generator, err := generator.GenerateInput(*rootCmd, true)
if err != nil {
return err
}
routes, err := cmd.Flags().GetString("routes")
if err != nil {
return fmt.Errorf("error reading routes flag: %v", err)
}
secretName, err := cmd.Flags().GetString("secret-name")
if err != nil {
return fmt.Errorf("error reading secret-name flag: %v", err)
}
dbaasCreds, err := rootCmd.PersistentFlags().GetString("dbaas-creds")
if err != nil {
return fmt.Errorf("error reading dbaas creds flag: %v", err)
}
configMapVars, err := cmd.Flags().GetString("configmap-vars")
if err != nil {
return fmt.Errorf("error reading configmap variables flag: %v", err)
}
dbaasCredRefs, err := loadCredsFromFile(dbaasCreds)
if err != nil {
return err
}
cmVars := map[string]string{}
if err := json.Unmarshal([]byte(configMapVars), &cmVars); err != nil {
return fmt.Errorf("error unmarshalling lagoon-env configmap variables payload: %v", err)
}
generator.ConfigMapVars = cmVars
dbCreds := map[string]string{}
for _, v := range *dbaasCredRefs {
for k, v1 := range v {
dbCreds[k] = v1
}
}
generator.DBaaSVariables = dbCreds
return LagoonEnvTemplateGeneration(secretName, generator, routes)
},
}

func loadCredsFromFile(file string) (*DBaaSCredRefs, error) {
dbaasCredRefs := &DBaaSCredRefs{}
dbaasCredJSON, err := os.ReadFile(file)
if err != nil {
return nil, fmt.Errorf("couldn't read file %v: %v", file, err)
}
if err := json.Unmarshal(dbaasCredJSON, dbaasCredRefs); err != nil {
return nil, fmt.Errorf("error unmarshalling dbaas creds payload: %v", err)
}
return dbaasCredRefs, nil
}

// LagoonEnvTemplateGeneration .
func LagoonEnvTemplateGeneration(
name string,
g generator.GeneratorInput,
routes string,
) error {
lagoonBuild, err := generator.NewGenerator(
g,
)
if err != nil {
return err
}
savedTemplates := g.SavedTemplatesPath
// if the routes have been passed from the command line, use them instead. we do this since lagoon currently doesn't enforce route state to match
// what is in the `.lagoon.yml` file, so there may be items that exist in the cluster that don't exist in yaml
// eventually once route state enforcement is enforced, or the tool can reconcile what is in the cluster itself rather than in bash
// then this can be removed
// https://github.com/uselagoon/build-deploy-tool/blob/f527a89ad5efb46e19a2f59d9ff3ffbff541e2a2/legacy/build-deploy-docker-compose.sh#L1090
if routes != "" {
lagoonBuild.BuildValues.Routes = strings.Split(routes, ",")
}
cm, err := servicestemplates.GenerateLagoonEnvSecret(name, *lagoonBuild.BuildValues)
if err != nil {
return fmt.Errorf("couldn't generate template: %v", err)
}
templateBytes, err := servicestemplates.TemplateSecret(cm)
if err != nil {
return fmt.Errorf("couldn't generate template: %v", err)
}
if len(templateBytes) > 0 {
if g.Debug {
fmt.Printf("Templating lagoon-env secret %s\n", fmt.Sprintf("%s/%s-secret.yaml", savedTemplates, name))
}
helpers.WriteTemplateFile(fmt.Sprintf("%s/%s-secret.yaml", savedTemplates, name), templateBytes)
}
return nil
}

func init() {
templateCmd.AddCommand(lagoonEnvGeneration)
lagoonEnvGeneration.Flags().StringP("routes", "R", "",
"The routes from the environment")
lagoonEnvGeneration.Flags().StringP("secret-name", "S", "",
"The name of the secret")
lagoonEnvGeneration.Flags().StringP("configmap-vars", "N", "",
"Any variables from the legacy configmap that need to be retained")
}
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