/*
 * Copyright 2012 the original author or 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.
 */

import org.opencord.gradle.rules.*
import org.yaml.snakeyaml.Yaml

allprojects {
    apply plugin: 'base'
    apply plugin: 'de.gesellix.docker'
    //apply plugin: 'com.tmiyamon.config'

    docker {
        // dockerHost = System.env.DOCKER_HOST ?: 'unix:///var/run/docker.sock'
        // dockerHost = System.env.DOCKER_HOST ?: 'https://192.168.99.100:2376'
        // certPath = System.getProperty('docker.cert.path') ?: "${System.getProperty('user.home')}/.docker/machine/machines/default"
        // authConfigPlain = [
        //   "username"       : "joe",
        //   "password"       : "some-pw-as-needed",
        //   "email"          : "joe@acme.com",
        //   "serveraddress"  : "https://index.docker.io/v1/"
        //  ]
    }
}

ext {

    // Upstream registry to simplify filling out the comps table below
    upstreamReg = project.hasProperty('upstreamReg') ? project.getProperty('upstreamReg') : 'docker.io'

    // Target registry to be used to publish docker images needed for deployment
    targetReg = project.hasProperty('targetReg') ? project.getProperty('targetReg') : 'localhost:5000'

    // The tag used to tag the docker images push to the target registry
    targetTag = project.hasProperty('targetTag') ? project.getProperty('targetTag') : 'candidate'

    // Component table
    comps = [
    ]

    // Deployment target config file (yaml format); this can be overwritten from the command line
    // using the -PdeployConfig=<file-path> syntax.
    deployConfig = project.hasProperty('deployConfig') ? project.getProperty('deployConfig') : './config/default.yml'

}

task copyAnsibleInventory(type: Copy) {
    File configFile = new File(deployConfig)
    def yaml = new Yaml()
    def config = yaml.load(configFile.newReader())

    from 'inventory/templates/single-prod'
    into 'inventory'
    expand([
  prod: config.seedServer.ip,
    ])
}

// ------------- PlaceHolders ----------------

task updateDocker (type: Exec) {
    commandLine 'sudo', 'utils/enable-remote-docker-registry', "$targetReg"
}

task prime {
    // TODO this is a place-holder.
    // dependsOn updateDocker
    doFirst {
        println "Using deployment config: $deployConfig"
        File configFile = new File(deployConfig)
        def yaml = new Yaml()
        def config = yaml.load(configFile.newReader())
        println "Config: $config"
        println "Access some data in config:\n\tSeed server IP=${config.seedServer.ip}"
    }
}

// ---------------- Useful tasks ----------------

List.metaClass.asParam = { prefix, sep ->
  if (delegate.size() == 0) {
    ""
  }
  String result = "--" + prefix + "="
  String p = ""
  delegate.each {
    result += p + "${it}"
    p = sep
  }
  result
}

List.metaClass.p = { value, name ->
  if (value != null && value != "") {
      delegate << name + "=" + value
  } else {
      delegate
  }
}

List.metaClass.p = { spec ->
  if (spec != null && spec != "") {
      delegate += spec
  } else {
      delegate
  }
}

task fetchUpstreamImages {
    comps.each { name, spec -> if (spec.type == 'image') { dependsOn "fetch" + name } }
}

task fetchGitSubmodules {
    comps.each { name, spec -> if (spec.type == 'gitmodule') { dependsOn "gitupdate" + name } }
}

task fetch {
    dependsOn fetchUpstreamImages
    dependsOn fetchGitSubmodules
}

task publishImages {
    comps.each { name, spec -> if (spec.type == 'image') { dependsOn "publish" + name } }
}

task publish {
    dependsOn publishImages
}

tasks.addRule(new DockerFetchRule(project))
tasks.addRule(new DockerPublishRule(project))
tasks.addRule(new DockerTagRule(project))
tasks.addRule(new GitSubmoduleUpdateRule(project))

task deployPlatform (type: Exec) {
    dependsOn copyAnsibleInventory

    println "Using deployment config: $deployConfig"
    File configFile = new File(deployConfig)
    def yaml = new Yaml()
    def config = yaml.load(configFile.newReader())

    executable = "ansible-playbook"
    args = ["-i", "inventory/single-prod"]

    if ( config.seedServer.user != null && config.seedServer.user != "" ) {
        args = args << "--user=$config.seedServer.user"
    }

    def extraVars = []
    if (config.seedServer) {
        extraVars = extraVars.p(config.seedServer.extraVars)
            .p(config.seedServer.password, "ansible_ssh_pass")
            .p(config.seedServer.sudoPassword, "ansible_sudo_pass")
            .p(config.seedServer.fabric_ip, "fabric_ip")
            .p(config.seedServer.management_ip, "management_ip")
            .p(config.seedServer.management_network, "management_network")
            .p(config.seedServer.management_iface, "management_iface")
            .p(config.seedServer.external_ip, "external_ip")
            .p(config.seedServer.external_network, "external_network")
            .p(config.seedServer.external_iface, "external_iface")
            .p(config.seedServer.fabric_ip, "fabric_ip")
            .p(config.seedServer.fabric_network, "fabric_network")
            .p(config.seedServer.fabric_iface, "fabric_iface")
            .p(config.seedServer.domain, "domain")
            .p(config.seedServer.virtualbox_support, "virtualbox_support")
            .p(config.seedServer.power_helper_user, "power_helper_user")
            .p(config.seedServer.power_helper_host, "power_helper_host")
            .p(config.seedServer.port, "ansible_ssh_port")
    }

    if (config.otherServers) {
        extraVars = extraVars.p(config.otherServers.location, "prov_location")
            .p(config.otherServers.rolesPath, "prov_role_path")
            .p(config.otherServers.role, "prov_role")
    }

    if (config.docker) {
        extraVars = extraVars.p(config.docker.registry, "docker_registry")
            .p(config.docker.imageVersion, "docker_image_version")
    }

    def skipTags = [].p(config.seedServer.skipTags)

    args = args.p(skipTags.asParam("skip-tags", ",")).p(extraVars.asParam("extra-vars", " ")) << "cord-head-playbook.yml"
}

task deploySingle (type: Exec) {
    dependsOn copyAnsibleInventory

    println "Using deployment config: $deployConfig"
    File configFile = new File(deployConfig)
    def yaml = new Yaml()
    def config = yaml.load(configFile.newReader())

    executable = "ansible-playbook"
    args = ["-i", "inventory/single-prod"]

    if ( config.seedServer.user != null && config.seedServer.user != "" ) {
        args = args << "--user=$config.seedServer.user"
    }

    def extraVars = []
    if (config.seedServer) {
        extraVars = extraVars.p(config.seedServer.extraVars)
            .p(config.seedServer.password, "ansible_ssh_pass")
            .p(config.seedServer.sudoPassword, "ansible_sudo_pass")
            .p(config.seedServer.fabric_ip, "fabric_ip")
            .p(config.seedServer.management_ip, "management_ip")
            .p(config.seedServer.management_network, "management_network")
            .p(config.seedServer.management_iface, "management_iface")
            .p(config.seedServer.external_ip, "external_ip")
            .p(config.seedServer.external_network, "external_network")
            .p(config.seedServer.external_iface, "external_iface")
            .p(config.seedServer.fabric_ip, "fabric_ip")
            .p(config.seedServer.fabric_network, "fabric_network")
            .p(config.seedServer.fabric_iface, "fabric_iface")
            .p(config.seedServer.domain, "domain")
            .p(config.seedServer.virtualbox_support, "virtualbox_support")
            .p(config.seedServer.power_helper_user, "power_helper_user")
            .p(config.seedServer.power_helper_host, "power_helper_host")
            .p(config.seedServer.port, "ansible_ssh_port")
    }

    if (config.otherServers) {
        extraVars = extraVars.p(config.otherServers.location, "prov_location")
            .p(config.otherServers.rolesPath, "prov_role_path")
            .p(config.otherServers.role, "prov_role")
    }

    if (config.docker) {
        extraVars = extraVars.p(config.docker.registry, "docker_registry")
            .p(config.docker.imageVersion, "docker_image_version")
    }

    def skipTags = [].p(config.seedServer.skipTags)

    args = args.p(skipTags.asParam("skip-tags", ",")).p(extraVars.asParam("extra-vars", " ")) << "cord-single-playbook.yml"
}

task postDeployTests (type: Exec) {
    dependsOn copyAnsibleInventory

    println "Using deployment config: $deployConfig"
    File configFile = new File(deployConfig)
    def yaml = new Yaml()
    def config = yaml.load(configFile.newReader())

    executable = "ansible-playbook"
    args = ["-i", "inventory/single-prod"]

    if ( config.seedServer.user != null && config.seedServer.user != "" ) {
        args = args << "--user=$config.seedServer.user"
    }

    def extraVars = []
    if (config.seedServer) {
        extraVars = extraVars.p(config.seedServer.extraVars)
            .p(config.seedServer.password, "ansible_ssh_pass")
            .p(config.seedServer.sudoPassword, "ansible_sudo_pass")
            .p(config.seedServer.fabric_ip, "fabric_ip")
            .p(config.seedServer.management_ip, "management_ip")
            .p(config.seedServer.management_network, "management_network")
            .p(config.seedServer.management_iface, "management_iface")
            .p(config.seedServer.external_ip, "external_ip")
            .p(config.seedServer.external_network, "external_network")
            .p(config.seedServer.external_iface, "external_iface")
            .p(config.seedServer.fabric_ip, "fabric_ip")
            .p(config.seedServer.fabric_network, "fabric_network")
            .p(config.seedServer.fabric_iface, "fabric_iface")
            .p(config.seedServer.domain, "domain")
            .p(config.seedServer.virtualbox_support, "virtualbox_support")
            .p(config.seedServer.power_helper_user, "power_helper_user")
            .p(config.seedServer.power_helper_host, "power_helper_host")
            .p(config.seedServer.port, "ansible_ssh_port")
    }

    if (config.otherServers) {
        extraVars = extraVars.p(config.otherServers.location, "prov_location")
            .p(config.otherServers.rolesPath, "prov_role_path")
            .p(config.otherServers.role, "prov_role")
    }

    if (config.docker) {
        extraVars = extraVars.p(config.docker.registry, "docker_registry")
            .p(config.docker.imageVersion, "docker_image_version")
    }

    def skipTags = [].p(config.seedServer.skipTags)

    args = args.p(skipTags.asParam("skip-tags", ",")).p(extraVars.asParam("extra-vars", " ")) << "cord-post-deploy-playbook.yml"
}